Service Information: MD Helicopters

Alternative Names: (Hughes Helicopters)

There will be over 135,000 documents in our Service Information Indexes.

Most SBs are displayed in PDF format. (Use your Browser's 'Edit | Find' function to locate an SB by number.)

Component Logs • Component Overhaul Manuals • Flight Manuals • Illustrated Parts Catalogs • Limited Warranty Manuals • Logbooks • Maintenance Instruction Handbooks • Maintenance Manuals • Miscellaneous • Miscellaneous Manuals • Publication Indexes • Service Bulletins • Service Information Letters • Service Information Notices • Service Letters • Technical Bulletins • User Guides

Component Logs
Name	Revision	Lang	Subject
CSP-RLB-L9	2	en	Example
CSP-RLB-L10	2	en	369D (500D), 369E (500E), 369F (530F), 369H, 500N (520N), 600N & 900
CSP-RLB-L11	4	en	Assembly Example
CSP-RLB-L12-1A	2	en	369D (500D), 369E (500E), 369F (530F), 369H, 500N (520N), 600N & 900: Assembly

Component Overhaul Manuals
Name	Revision	Lang	Subject	Date
CSP-COM-5	20	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	06/24/2016
CSP-COM-5	TR 07-001	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	11/14/2007
CSP-H-5	10	en	369H	09/15/2003
CSP-H-5	9	en	369H	01/31/2003

Flight Manuals
Name	Revision	Lang	Subject	Date
CSP-600RFM-1	14	en	600N	02/22/2016
CSP-900ERFM-1	TR 01-001	en	900 with PW206E	11/02/2001
CSP-900RFM-1	TR 01-001	en	900 with PW206A	11/02/2001
CSP-900RFM206A-1	4	en	900 with PW206A	01/28/2014
CSP-900RFM206A-1	reiss3	en	900 with PW206A	01/28/2010
CSP-900RFM206E-1	2	en	900 with PW206E	10/31/2003
CSP-900RFM206E-1	reiss2	en	900 with PW206E	01/28/2010
CSP-900RFM207E-1	reiss1	en	900 with PW207E (Eligible S/Ns 900-00008 thru 900-00051)	01/28/2010
CSP-902RFM-1	TR 01-001	en	900 (902 Configuration with PW206E)	11/02/2001
CSP-902RFM-1	TR 01-002	en	900 (902 Configuration with PW206E)	11/28/2001
CSP-902RFM206E-1	2	en	900 with PW206E (S/N 0052 and Subsequent)	08/03/2012
CSP-902RFM206E-1	reiss3	en	900 with PW206E (S/N 0052 and Subsequent)	11/06/2009
CSP-902RFM207E-1	reiss2	en	900 with PW 207E	11/06/2009
CSP-902RFM207E-1	TR 01-001	en	900 (902 Configuration with PW207E)	11/02/2001
CSP-902RFM207E-1	TR 01-002	en	900 (902 Configuration with PW207E)	11/28/2001
CSP-D-1	13 reiss	en	369D (500D)	07/21/2016
CSP-E-1	21	en	369E (500E)	07/21/2016
CSP-FF-1	12 reiss	en	369F (530F)	06/27/2014
CSP 520N-1	8	en	500N (520N)	07/21/2016

Illustrated Parts Catalogs
Name	Revision	Lang	Subject	Date
CSP-900IPL-4	23	en	900	11/11/2016
CSP-H-7	6	en	369H	11/11/1994
CSP-H-7 (Supp 12)	revised	en	369H	09/15/1989
CSP-H-7 (Supp 11)	revised	en	369H	03/16/1992
CSP-H-7 (Supp 13)	revised	en	369H	03/16/1992
CSP-H-7 (Supp 06)	revised	en	369H	09/30/1993
CSP-H-7 (Supp 10)	revised	en	369H	11/11/1994
CSP-H-7 (Supp 09)	revised	en	369H	09/30/1993
CSP-H-7 (Supp 08)	revised	en	369H	11/11/1994
CSP-H-7 (Supp 07)	revised	en	369H	08/15/1988
CSP-H-7 (Supp 05)	revised	en	369H	08/15/1988
CSP-H-7 (Supp 04)	revised	en	369H	03/16/1992
CSP-H-7 (Supp 03)	revised	en	369H	11/11/1994
CSP-H-7 (Supp 02)	revised	en	369H	03/17/1989
CSP-H-7 (Supp 01)	revised	en	369H	11/11/1994
CSP-H-7 (AN Index)	revised	en	369H	03/16/1992
CSP-IPC-4	15	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	10/31/2016

Limited Warranty Manuals
Name	Revision	Lang	Subject	Date
CSP-A-2		en	All Models	10/23/2007
CSP-A-2	1	en	All Models	01/01/2011
CSP-A-2	reiss	en	All Models	01/01/2011

Logbooks
Name	Revision	Lang	Subject	Date
CSP-RLB-LC	4	en	500N (520N), 600N & 900	05/31/2002

Maintenance Instruction Handbooks
Name	Revision	Lang	Subject	Date
CSP-H-4	5	en	369H	04/25/2007
CSP-H-4	TR 07-001	en	369H	01/11/2007
CSP-H-4	TR 10-001	en	369H	12/22/2010
CSP-H-6	2	en	369H	09/30/1992
CSP-HMI-2	47	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	10/15/2016
CSP-HMI-2	TR 08-001	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	03/14/2008
CSP-HMI-3	14	en	369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N: Instruments-Electrical-Avionics	10/15/2016

Maintenance Manuals
Name	Revision	Lang	Subject	Date
CSP-900RMM-2	36 reiss	en	900: Servicing and Maintenance	03/17/2015
CSP-900RMM-2	TR 06-005	en	900	11/09/2006
CSP-900RMM-3	12 reiss	en	900: Instruments-Electrical-Avionics	01/31/2007
CSP-HMI-2	TR 12-001	en	369D (500D), 369E (500E), 369F (530F), 369H, 500N (520N), 600N & 900

Miscellaneous Manuals
Name	Revision	Lang	Subject	Date
CSP-900SHP-S	4	en	Shipping Manual: 900	10/16/2006
CSP-A-3		en	Corrosion Control Manual: 369D (500D), 369E (500E), 369F (530F) & 369H	02/09/1981
CSP-H-8	revised	en	Illustrated Optional Accessories & Modification Kit Catalog: 369H	11/09/1990
CSP-SPM	24	en	Standard Practice Manual: 900	04/15/2016
CSP-SRM-6	reiss3	en	Structural Repair Manual: 369D (500D), 369E (500E), 369F (530F), 500N (520N) & 600N	05/26/2006

Publication Indexes
Name	Revision	Lang	Subject	Date
CSP-369H-Index 2015	0.3	en	369H (500C)	10/27/2015
CSP-369H-Index 2016		en	369H (500C)	01/29/2016
CSP-500/600 2016	1.1	en	369D, 369E, 369FF, 500N, 600N (500D, 500E, 530F Plus, 520N, 600N)	10/15/2016
CSP-500/600 2017		en	369D, 369E, 369FF, 500N, 600N (500D, 500E, 530F Plus, 520N, 600N)	02/16/2017
CSP-900-Index 2016	0.1	en	900	04/15/2016
CSP-900-Index 2016	0.2	en	900	08/30/2016

Service Bulletins
Name	Revision	Lang	Subject	Date
SB 369D-173	1	en	Mandatory Inspection of Lead-Lag Link Attach Nuts	07/06/2009
SB 369D-191		en	Mandatory Main Rotor Transmission Accessory Drive Inspection	09/26/1997
SB 369D-192		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 369D-193	1	en	Mandatory Tail Rotor Blade, Leading Edge Inspection for Cracks	05/03/1999
SB 369D-195	1	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 369D-195	3	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 369D-196		en	Mandatory Oil Cooler Bracket Replacement	04/28/1998
SB 369D-197		en	Mandatory Engine Fuel Filter Pressure Switch Replacement	02/23/1999
SB 369D-198		en	Mandatory Tail Rotor Fork Inspection, Four-Bladed	05/10/1999
SB 369D-199		en	Mandatory Turbine Outlet Temperature (TOT) Wire Harness, One Time Inspection	01/11/2000
SB 369D-200		en	Mandatory Landing Gear Strut Inspection and Fairing Modification	04/07/2000
SB 369D-201	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 369D-201	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 369D-202		en	Mandatory Main Transmission Bonding Jumper Inspection and Rework	08/14/2002
SB 369D-203	1	en	Mandatory Tail Rotor Blade Abrasion Strip Tap Test and Modification	01/23/2006
SB 369D-204		en	Mandatory Tail Rotor Blade Assembly, One Time Inspection	04/26/2007
SB 369D-205		en	Mandatory Oil Cooler Belt, One Time Inspection	05/12/2008
SB 369D-205	1	en	Mandatory Oil Cooler Belt, One Time Inspection	03/13/2009
SB 369D-206		en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	02/05/2010
SB 369D-206	1	en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	04/26/2013
SB 369D-207		en	Mandatory Inspection of Short Edge Margin Condition on 369D23500 Tailboom Assembly	07/20/2010
SB 369D-208		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 369D-209		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 369D-210		en	Mandatory Tail Rotor Blade Assembly Inspection	11/21/2011
SB 369D-211		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 369D-211	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 369D-212		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 369D-212	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 369D-213		en	Mandatory One-Time Inspection of Fuel Pump Harness Routing and Decal Installation	04/30/2014
SB 369D-214		en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 369D-214	1	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	09/11/2014
SB 369D-214	2	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	03/30/2015
SB 369D-215		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 369D-215	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 369D-223		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 369D-229	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 369D-231	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 369E-064	1	en	Mandatory Inspection of Lead-Lag Link Attach Nuts	07/06/2009
SB 369E-084		en	Mandatory Main Rotor Transmission Accessory Drive Inspection	09/26/1997
SB 369E-085		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 369E-086	1	en	Mandatory Tail Rotor Blade, Leading Edge Inspection for Cracks	05/03/1999
SB 369E-088	1	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 369E-088	3	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 369E-089		en	Mandatory Oil Cooler Bracket Replacement	04/28/1998
SB 369E-090	1	en	Mandatory Socket Contact Assembly Inspection	09/25/1998
SB 369E-091		en	Mandatory Engine Fuel Filter Pressure Switch Replacement	02/23/1999
SB 369E-092		en	Mandatory Tail Rotor Fork Inspection, Four-Bladed	05/10/1999
SB 369E-093		en	Mandatory Turbine Outlet Temperature (TOT) Wire Harness, One Time Inspection	01/11/2000
SB 369E-094		en	Mandatory Landing Gear Strut Inspection and Fairing Modification	04/07/2000
SB 369E-095	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 369E-095	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 369E-096		en	Mandatory Main Transmission Bonding Jumper Inspection and Rework	08/14/2002
SB 369E-097	1	en	Mandatory Tail Rotor Blade Abrasion Strip Tap Test and Modification	01/23/2006
SB 369E-098		en	Mandatory One Time Inspection of the Oil Cooler Blower, Drive Pulley Installation	03/28/2007
SB 369E-099		en	Mandatory Tail Rotor Blade Assembly, One Time Inspection	04/23/2007
SB 369E-100		en	Mandatory Oil Cooler Belt, One Time Inspection	05/12/2008
SB 369E-100	1	en	Mandatory Oil Cooler Belt, One Time Inspection	03/13/2009
SB 369E-101		en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	02/05/2010
SB 369E-101	1	en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	04/26/2013
SB 369E-102		en	Mandatory Inspection of Short Edge Margin Condition on 369D23500 Tailboom Assembly	07/20/2010
SB 369E-103		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 369E-104		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 369E-105		en	Mandatory Tail Rotor Blade Assembly Inspection	11/21/2011
SB 369E-106		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 369E-106	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 369E-107		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 369E-107	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 369E-108		en	Mandatory Aft Position and Anti-Collision Light Mounting - Inspection, Replacement and Repair	05/14/2013
SB 369E-108	1	en	Mandatory Aft Position and Anti-Collision Light Mounting - Inspection, Replacement and Repair	05/05/2015
SB 369E-109		en	Mandatory Removable (Copilot) Gas Producer Control Collective Stick Tube Assembly Torsion Bar, PN 369H7841-5 Replacement	10/04/2013
SB 369E-110		en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 369E-110	1	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	09/11/2014
SB 369E-110	2	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	03/30/2015
SB 369E-111		en	Mandatory One-Time Inspection of Fuel Pump Harness Routing and Decal Installation	04/30/2014
SB 369E-112		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 369E-112	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 369E-113		en	Mandatory Drill Drain Holes for Antenna Installations	03/04/2016
SB 369E-122		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 369E-129	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 369E-131	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 369F-052	1	en	Mandatory Inspection of Lead-Lag Link Attach Nuts	07/06/2009
SB 369F-071		en	Mandatory Main Rotor Transmission Accessory Drive Inspection	09/26/1997
SB 369F-072		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 369F-073	1	en	Mandatory Tail Rotor Blade, Leading Edge Inspection for Cracks	05/03/1999
SB 369F-075	1	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 369F-075	3	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 369F-076		en	Mandatory Oil Cooler Bracket Replacement	04/28/1998
SB 369F-077	1	en	Mandatory Socket Contact Assembly Inspection	09/25/1998
SB 369F-078		en	Mandatory Landing Gear Strut Inspection and Fairing Modification	04/07/2000
SB 369F-079	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 369F-079	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 369F-080		en	Mandatory Main Transmission Bonding Jumper Inspection and Rework	08/14/2002
SB 369F-081		en	Mandatory Minimum N1 Starting Speed Decal/Placard Installation	07/22/2003
SB 369F-082	1	en	Mandatory Tail Rotor Blade Abrasion Strip Tap Test and Modification	01/23/2006
SB 369F-083		en	Mandatory One Time Inspection of the Oil Cooler Blower, Drive Pulley Installation	03/28/2007
SB 369F-084		en	Mandatory Tail Rotor Blade Assembly, One Time Inspection	04/26/2007
SB 369F-085		en	Mandatory Oil Cooler Belt, One Time Inspection	05/12/2008
SB 369F-085	1	en	Mandatory Oil Cooler Belt, One Time Inspection	03/13/2009
SB 369F-086		en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	02/05/2010
SB 369F-086	1	en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	04/26/2013
SB 369F-087		en	Mandatory Inspection of Short Edge Margin Condition on 369D23500 Tailboom Assembly	07/20/2010
SB 369F-088		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 369F-090		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 369F-091		en	Mandatory Tail Rotor Blade Assembly Inspection	11/21/2011
SB 369F-092		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 369F-092	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 369F-093		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 369F-093	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 369F-094		en	Mandatory Aft Position and Anti-Collision Light Mounting - Inspection, Replacement and Repair	05/14/2013
SB 369F-094	1	en	Mandatory Aft Position and Anti-Collision Light Mounting - Inspection, Replacement and Repair	05/05/2015
SB 369F-095		en	Mandatory Removable (Copilot) Gas Producer Control Collective Stick Tube Assembly Torsion Bar, PN 369H7841-5 Replacement	10/04/2013
SB 369F-096		en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 369F-096	1	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	09/11/2014
SB 369F-096	2	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	03/30/2015
SB 369F-097		en	Mandatory Engine Oil Hose Inspection and Replacement	04/04/2014
SB 369F-098		en	Mandatory One-Time Inspection of Fuel Pump Harness Routing and Decal Installation	04/30/2014
SB 369F-099		en	Mandatory Installation of the Tail Rotor Drive Shaft and Secondary Dampener Bushings	01/07/2015
SB 369F-100		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 369F-100	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 369F-101		en	Mandatory Drill Drain Holes for Antenna Installations	03/04/2016
SB 369F-110		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 369F-119	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 369F-122	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 369FF-089		en	Mandatory One-Time Inspection of the Generator Control Unit and 200-AMP Starter/Generator Wiring	02/14/2011
SB 369H-101		en	Mandatory Field Replacement of Lock Fittings - Ground Handling Wheel Assemblies, PN 369A9905 (AER-BEA PN AB2387)	08/10/1976
SB 369H-227	1	en	Mandatory Inspection of Lead-Lag Link Attach Nuts	07/06/2009
SB 369H-240		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 369H-241	1	en	Mandatory Tail Rotor Blade, Leading Edge Inspection for Cracks	05/03/1999
SB 369H-243	1	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 369H-243	3	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 369H-244		en	Mandatory Landing Gear Strut Inspection and Fairing Modification	04/07/2000
SB 369H-245	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 369H-245	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 369H-246	1	en	Mandatory Tail Rotor Blade Abrasion Strip Tap Test and Modification	01/23/2006
SB 369H-247		en	Mandatory Tail Rotor Blade Assembly, One Time Inspection	04/26/2007
SB 369H-248		en	Mandatory Oil Cooler Belt, One Time Inspection	05/12/2008
SB 369H-248	1	en	Mandatory Oil Cooler Belt, One Time Inspection	03/13/2009
SB 369H-250		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 369H-251		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 369H-252		en	Mandatory Tail Rotor Blade Assembly Inspection	11/21/2011
SB 369H-253		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 369H-253	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 369H-254		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 369H-254	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 369H-255		en	Mandatory One-Time Inspection of Fuel Pump Harness Routing and Decal Installation	04/30/2014
SB 369H-256		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 369H-256	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 369H-259		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 369H-263	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 369H-265	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 500N-012		en	Mandatory Main Rotor Transmission Accessory Drive Inspection	09/26/1997
SB 500N-013		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 500N-015	1	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 500N-015	3	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 500N-016		en	Mandatory Oil Cooler Bracket Replacement	04/28/1998
SB 500N-017	1	en	Mandatory Socket Contact Assembly Inspection	09/25/1998
SB 500N-018		en	Mandatory Engine Fuel Filter Pressure Switch Replacement	02/23/1999
SB 500N-019		en	Mandatory Turbine Outlet Temperature (TOT) Wire Harness, One Time Inspection	01/11/2000
SB 500N-020	2	en	Mandatory Forward and Center Thruster Control Cables, Conduit Cap Relief Area, Inspection ((AMOC))	04/24/2000
SB 500N-021		en	Mandatory Forward and Center Thruster Control Cables, Conduit Cap at Telescopic Swivel End, Inspection	11/19/1999
SB 500N-022		en	Mandatory Landing Gear Strut Inspection and Fairing Modification	04/07/2000
SB 500N-023	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 500N-023	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 500N-024		en	Mandatory Fan Pitch Control Aft Tube Assembly One Time Inspection	10/23/2001
SB 500N-025		en	Mandatory Main Transmission Bonding Jumper Inspection and Rework	08/14/2002
SB 500N-026		en	Mandatory Tailboom Assembly Overlap Inspection and Rework	11/23/2006
SB 500N-027		en	Mandatory Forward and Center Thruster Control Cable Assemblies Connector One Time Inspection	05/03/2004
SB 500N-028		en	Mandatory One Time Inspection of the Oil Cooler Blower, Drive Pulley Installation	03/28/2007
SB 500N-029	1	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	03/14/2008
SB 500N-029	2	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	05/06/2008
SB 500N-029	3	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	07/09/2008
SB 500N-039		en	Mandatory Oil Cooler Belt, One Time Inspection	05/12/2008
SB 500N-039	1	en	Mandatory Oil Cooler Belt, One Time Inspection	03/13/2009
SB 500N-040		en	Mandatory De-Energize YSAS System and Replace YSAS Adapter	08/15/2008
SB 500N-040	1	en	Mandatory De-Energize YSAS System and Replace YSAS Adapter	08/27/2008
SB 500N-042		en	Mandatory Inspection of Lead-lag Link Attach Nuts	07/06/2009
SB 500N-043		en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	02/05/2010
SB 500N-043	1	en	Mandatory Inspection of P/N 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies	04/26/2013
SB 500N-044		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 500N-045		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 500N-046		en	Mandatory Rotating Cone Assembly Inspection	07/09/2012
SB 500N-047		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 500N-047	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 500N-048		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 500N-048	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 500N-049		en	Mandatory One-Time Inspection of Fuel Pump Harness Routing and Decal Installation	04/30/2014
SB 500N-050		en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 500N-050	1	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	09/11/2014
SB 500N-050	2	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	03/30/2015
SB 500N-051		en	Mandatory Remove and Replace the YSAS Adapter	02/19/2015
SB 500N-051	1	en	Mandatory Remove and Replace the YSAS Adapter	01/14/2016
SB 500N-052		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 500N-052	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 500N-053		en	Mandatory Drill Drain Holes for Antenna Installations	03/04/2016
SB 500N-060		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 500N-066	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 500N-068	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 600N-001		en	Mandatory Engine Cooling Improvement	09/12/1997
SB 600N-002		en	Mandatory Main Rotor Transmission Accessory Drive Inspection	09/26/1997
SB 600N-003		en	Mandatory Input Shaft Coupling Assembly Inspection	09/26/1997
SB 600N-004		en	Mandatory Cabin Seat Restraint Assembly Replacement	02/12/1998
SB 600N-005		en	Mandatory Installation of Revised VNE Cards	03/04/1998
SB 600N-006		en	Mandatory Thruster Tip Cap Removal	12/08/1997
SB 600N-007		en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	01/23/1998
SB 600N-007	2	en	Mandatory Main Rotor Blade Root End Inspection and Termination Action for Suspect Main Rotor Blades	07/13/1998
SB 600N-008		en	Mandatory Generator Control Unit (GCU) Replacement	02/19/1998
SB 600N-009		en	Mandatory Collective Controls Life Reductions and Serializations	02/24/1998
SB 600N-010		en	Mandatory Landing Gear Fairing Modification	04/28/1998
SB 600N-011		en	Mandatory Cyclic Control Mixer Links Replacement (Eight Degree Phase Shift Recovery)	05/05/1998
SB 600N-012		en	Mandatory Oil Cooler Bracket Replacement	04/28/1998
SB 600N-013	1	en	Mandatory Low Fuel Level Warning Light	04/15/1999
SB 600N-014	1	en	Mandatory Socket Contact Assembly Inspection	09/25/1998
SB 600N-015		en	Mandatory Engine Fuel Control Box Attachment Bolt Replacement	04/23/1999
SB 600N-016	1	en	Mandatory Audio Warning System Modification	09/18/2000
SB 600N-017		en	Mandatory FADEC Manual Switch Guard Modification	10/06/1998
SB 600N-018	1	en	Mandatory Torque Pressure Transducer High Intensity Radiated Fields (HIRF) Protection Modification	02/07/2000
SB 600N-019		en	Mandatory FADEC Wire Harness Stand-Off Installation Inspection and Modification	04/23/1999
SB 600N-020	1	en	Mandatory Electromagnetic Compatibility (EMC) Test for Optional Equipment Effects on the Fadec Control	02/22/2000
SB 600N-020	2	en	Mandatory Electromagnetic Compatibility (EMC) Test for Optional Equipment Effects on the Fadec Control	04/14/2003
SB 600N-021	1	en	Mandatory Inspection/Reidentification/Serialization of Cyclic Control Stick Sockets and Left Hand Command (Co-Pilot) Cyclic Tube	03/11/1999
SB 600N-022		en	Mandatory Improved Engine Torque Pressure Transducer	04/23/1999
SB 600N-023	1	en	Mandatory Cyclic Stick Replacement	07/30/1999
SB 600N-024	1	en	Mandatory Longitudinal Mixer Output Link Assembly Replacement	04/06/1999
SB 600N-025		en	Mandatory Fuel System Inspection	07/02/1999
SB 600N-026		en	Mandatory Turbine Outlet Temperature (TOT) Wire Harness, One Time Inspection	01/11/2000
SB 600N-027	2	en	Mandatory Forward and Center Thruster Control Cables, Conduit Cap Relief Area, Inspection ((AMOC))	04/24/2000
SB 600N-028		en	Mandatory Forward and Center Thruster Control Cables, Conduit Cap at Telescopic Swivel End, Inspection	11/19/1999
SB 600N-029		en	Mandatory Motive Flow Restrictor Removal	01/10/2001
SB 600N-030	1	en	Mandatory Inspection of Vertical Stabilizer and Torque Tube and Replacement of Attaching Hardware	05/25/2001
SB 600N-031	1	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	07/24/2001
SB 600N-031	2	en	Mandatory Main Rotor Blade Assembly Torque Event Inspection	02/04/2004
SB 600N-032		en	Mandatory Turbine Outlet Temperature (TOT) Indicator Replacement	12/13/2001
SB 600N-033		en	Mandatory Main Rotor Drive Shaft Life Reduction	12/13/2001
SB 600N-034		en	Mandatory Torque Transducer Electrical Connector One Time Inspection	12/13/2001
SB 600N-035		en	Mandatory Fan Pitch Control Aft Tube Assembly One Time Inspection	10/23/2001
SB 600N-036		en	Mandatory Tailboom Assembly Attach Fitting One Time Inspection and Repair	11/02/2001
SB 600N-037		en	Mandatory Main Transmission Bonding Jumper Inspection and Rework	08/14/2002
SB 600N-038		en	Mandatory Exhaust Duct Inspection	05/06/2003
SB 600N-039		en	Mandatory Tailboom Assembly Attach Fittings and Upper Longerons Inspection	12/09/2003
SB 600N-040		en	Mandatory Control Support Bracket Assembly Life Reduction with YSAS Installed (AMOC)	12/19/2003
SB 600N-041		en	Mandatory Tailboom Assembly Overlap Inspection and Rework	11/23/2006
SB 600N-042		en	Mandatory Forward and Center Thruster Control Cable Assemblies Connector One Time Inspection	05/03/2004
SB 600N-043		en	Mandatory Tailboom Assembly Attach Fitting One Time Inspection, Attach Fitting and Nutplate Replacement	04/13/2006
SB 600N-044		en	Mandatory Lateral Mixer Output Link Assembly, One Time Inspection	02/16/2007
SB 600N-045		en	Mandatory One Time Inspection of the Oil Cooler Blower, Drive Pulley Installation	03/28/2007
SB 600N-046	1	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	03/14/2008
SB 600N-046	2	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	05/06/2008
SB 600N-046	3	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	07/09/2008
SB 600N-047		en	Mandatory De-Energize YSAS System and Replace YSAS Adapter	08/15/2008
SB 600N-047	1	en	Mandatory De-Energize YSAS System and Replace YSAS Adapter	08/27/2008
SB 600N-050		en	Mandatory Governor Electronic Control Unit (ECU) Replacement	03/16/2009
SB 600N-050	1	en	Mandatory Governor Electronic Control Unit (ECU) Replacement	03/03/2010
SB 600N-051		en	Mandatory Inspection of Lead-Lag Link Attach Nuts	07/06/2009
SB 600N-052		en	Mandatory Kamatics Shaft and Coupling Overhaul Program	12/22/2010
SB 600N-053		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 600N-054		en	Mandatory Rotating Cone Assembly Inspection	07/09/2012
SB 600N-055		en	Mandatory One-Time Inspection of the Horizontal Stabilizer Torque Tubes and the Landing Gear Struts	12/31/2012
SB 600N-056		en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	01/03/2013
SB 600N-056	1	en	Mandatory Upper Main Rotor Pitch Control Rod End, PN 369A1011 Inspection and Replacement	04/16/2013
SB 600N-057		en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	12/26/2012
SB 600N-057	1	en	Mandatory Main Rotor Hub Lead Lag Link Assembly Inspection and Daily Pre-Flight Check	04/09/2015
SB 600N-058		en	Mandatory One-Time Inspection of the Pilot Gas Producer Control Gear Shaft Assembly	04/30/2014
SB 600N-058	1	en	Mandatory One-Time Inspection of the Pilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 600N-059		en	Mandatory Engine Oil Hose Inspection and Replacement	04/04/2014
SB 600N-060		en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	08/12/2014
SB 600N-060	1	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	09/11/2014
SB 600N-060	2	en	Mandatory Inspection of the Copilot Gas Producer Control Gear Shaft Assembly	03/30/2015
SB 600N-062		en	Mandatory Remove and Replace the YSAS Adapter	02/19/2015
SB 600N-062	1	en	Mandatory Remove and Replace the YSAS Adapter	01/14/2016
SB 600N-063		en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	06/30/2015
SB 600N-063	1	en	Mandatory Exchange of Engine Bay Door Latch Assemblies with Missing Lockwire Hole	01/29/2016
SB 600N-064		en	Mandatory Drill Drain Holes for Antenna Installations	03/04/2016
SB 600N-073		en	Mandatory Inspection of the Main Rotor Hub Lead-Lag Bolts, Part No. 369D21220-BSC	04/19/2019
SB 600N-080	2	en	Mandatory Inspection of Pilot-to-Copilot Tail Rotor Torque Tube	03/24/2021
SB 600N-082	2	en	Mandatory 369A7505-7/-8/-14/-15 Tail Rotor Pedals Support Bracket Inspection	11/01/2023
SB 900-001	5	en	Mandatory Flexbeam Inspection	08/27/1999
SB 900-002	1	en	Mandatory Copilot Collective Stick Removal Restriction	12/22/1995
SB 900-003	1	en	Mandatory Anti-Torque Directional Control Actuator Replacement	01/29/1996
SB 900-005		en	Mandatory Replacement of Generator Control Units (GCUs)	07/19/1995
SB 900-006		en	Mandatory Application of Collective Control Index Mark	07/19/1995
SB 900-007	1	en	Mandatory Service Instruction for Cockpit and Cabin Door Modifications Removals/Modifications/Installations ((Mod MD9009500008))	12/14/1995
SB 900-008		en	Mandatory Forward Fuel Vent Modification ((Mod MD9009500001))	12/14/1995
SB 900-009		en	Mandatory Heater Limitation Placard Installation	12/14/1995
SB 900-010		en	Mandatory Fuel Metering Unit (FMU) Manual Mode Deceleration Check	02/14/1996
SB 900-011		en	Mandatory Vent Air Scoop Installation	02/05/1996
SB 900-012	1	en	Mandatory Condenser Scoop Installation	07/12/1997
SB 900-013		en	Mandatory Torque Verification of Blade Retention Bolts	01/12/1996
SB 900-014		en	Mandatory Cabin Door D-Ring Replacement	02/23/1996
SB 900-015		en	Mandatory Aft Cabin Heat Modification	05/24/1996
SB 900-016	2	en	Mandatory Aft Cabin Heat Modification and Guard Installation	12/28/1996
SB 900-017	2	en	Mandatory Battery Warm Disable Relay Installation and Fuel Quantity Power Moved to Essential Bus (Modify A610 Panel from 900E2750610-107 to -113)	12/16/1996
SB 900-018	1	en	Mandatory Lateral Anti-Torque - Drive Link Assembly Replacement	05/24/1996
SB 900-019		en	Mandatory Pitot Tube Replacement	03/12/1996
SB 900-020	1	en	Mandatory High Puncture-Resistant Fuel Cell Modifications (Fuel Boost Pump Flanges and Rollover Valves) ((Mod MD9009500013))	07/01/1996
SB 900-021	1	en	Mandatory Endplate Spar Tube (Vertical Stabilizer) Greasing Procedure	01/03/1997
SB 900-022		en	Mandatory VNE Card and Support Installation	05/09/1996
SB 900-023		en	Mandatory Thruster Rotating Cone/Control Bearings Modifications	04/25/1996
SB 900-024		en	Mandatory Electronic Engine Control (EEC) Replacement	04/22/1996
SB 900-025		en	Mandatory Ignition Circuit Breaker Replacement	05/09/1996
SB 900-026		en	Mandatory Link Assembly, Drive - Scissors, One-Time Inspection	04/09/1996
SB 900-027		en	Mandatory Rigging Inspection of VSCS Linkage	05/09/1996
SB 900-028	1	en	Mandatory Swashplate Bearing, One-Time Inspection	05/04/1996
SB 900-029		en	Mandatory Notar Fan Diffuser Retention Fastener Inspection	09/06/1996
SB 900-030	1	en	Mandatory Swashplate Bearing Installation Preload, One-Time Inspection	05/22/1996
SB 900-031	1	en	Mandatory Swashplate Modification, Inner Retainer Plate Replacement	07/01/1996
SB 900-032		en	Mandatory Swashplate Bearing Outer Race Preload, Inspection and Modification Bearing Replacement	06/05/1996
SB 900-033		en	Mandatory Main Rotor Blade Life Limit Increase	06/19/1996
SB 900-034	2	en	Mandatory Main Rotor Swashplate Bearing Removal From Service	11/19/1996
SB 900-035	1	en	Mandatory Forward Interconnect Panel Modification; Landing Light Circuit Breaker Relocation; Rotor Brake Circuit Breaker Removal	11/19/1996
SB 900-036	2	en	Mandatory B.F. Goodrich Trim Servo 300 Hour Inspection	09/20/1999
SB 900-037		en	Mandatory Condenser Fan EMI Filter Installation	08/12/1996
SB 900-038		en	Mandatory Main Rotor Hub Retention Bolt Torque Verification	08/30/1996
SB 900-039	2	en	Mandatory VSCS Bellcrank and Mid-Aft Strut Serialization	03/12/1997
SB 900-040		en	Mandatory Cockpit and Cabin Door Housing Replacement	10/29/1996
SB 900-041	3	en	Mandatory Manual Engine Start Electrical Modification	07/12/1997
SB 900-041	4	en	Mandatory Manual Engine Start Electrical Modification	10/14/2002
SB 900-042	3	en	Mandatory Hydraulic Manifold/Reservoir Rework	02/12/1998
SB 900-043	1	en	Mandatory Flight Controls Life Limit Changes	01/16/1997
SB 900-044	1	en	Mandatory Swashplate Spherical Bearing, Self Aligning	12/17/1996
SB 900-045	2	en	Mandatory IIDS Battery Discharge Indication Correction	04/04/1997
SB 900-046	1	en	Mandatory Horizontal Stabilizer Drain Holes	02/26/1997
SB 900-047		en	Mandatory VSCS Synchronization Modification	01/30/1997
SB 900-048	1	en	Mandatory Gradient Spring Assemblies Replacement	01/09/1998
SB 900-049		en	Mandatory Main Transmission Retrofit	02/21/1997
SB 900-050		en	Mandatory Operating Temperature Limitation Placard Modification	04/18/1997
SB 900-051		en	Mandatory Main Rotor Drive Plate Mounting Bolt Inspection	04/18/1997
SB 900-052		en	Mandatory Cargo Hook Shorting Plug Installation	05/12/1997
SB 900-053		en	Mandatory Cabin Door Ajar Switch Bracket Rework	04/11/1997
SB 900-054	1	en	Mandatory Off Gate Diode Installation Modification	08/08/1997
SB 900-055	1	en	Mandatory Adjustable Collective Drive Link Replacement	06/05/1997
SB 900-056		en	Mandatory Grounding Notice for all MD900 Helicopters	05/28/1997
SB 900-057		en	Mandatory Self Aligning Spherical/Slider Bearing Life Limit Reduction	06/05/1997
SB 900-058	1	en	Mandatory Life Limit on Anti-Torque Fan Assembly, Tension-Torsion Straps and Pitch Plate Assembly	07/06/1998
SB 900-058	2	en	Mandatory Life Limit on Anti-Torque Fan Assembly, Tension-Torsion Straps and Pitch Plate Assembly	05/10/1999
SB 900-059		en	Mandatory Gradient Springs Rod End Bearing Inspection	01/19/1998
SB 900-060		en	Mandatory Cabin Entry/Egress Step Modification	07/23/1997
SB 900-061	1	en	Mandatory Cockpit Door Lower Rod Modification	07/07/2000
SB 900-062	1	en	Mandatory Main Rotor Driveshaft Assembly Life Limitation	12/16/1999
SB 900-063		en	Mandatory Mechanical Engine Control System Modification	05/15/1998
SB 900-064		en	Mandatory Pedal Plate Inspection, Directional Controls	06/18/1998
SB 900-065		en	Mandatory Main Rotor Hub Inspection	06/09/1998
SB 900-066	1	en	Mandatory Inspection of Cabin Door Windows with Nordam Sliding Window Installed	08/12/1999
SB 900-067		en	Mandatory MD900 Electromagnetic Compatibility (EMC) Test	02/19/1999
SB 900-067	1	en	Mandatory MD900 Electromagnetic Compatibility (EMC) Test	04/14/2003
SB 900-068	1	en	Mandatory Right VSCS Actuator Inboard Rod End Thread Engagement Inspection	07/08/1999
SB 900-069	1	en	Mandatory A612 Forward Interconnect Panel Modification	04/24/2000
SB 900-070		en	Mandatory Takeoff Go/No-Go Timer Light Modification	04/24/2000
SB 900-071		en	Mandatory Non-Rotating Swashplate Assembly Bushing Rework and Longitudinal Drive Link Assembly Inspection and Repair	01/10/2000
SB 900-072		en	Mandatory Main Rotor Hub Inspection and Torque Check ((AMOC))	12/10/1999
SB 900-072	1	en	Mandatory Main Rotor Hub Inspection and Torque Check ((AMOC))	07/16/2012
SB 900-073		en	Mandatory Cargo Hook Installation and Aft Saddle Assemblies - Inspection and Replacement of Aft Saddle Assemblies	06/28/2000
SB 900-073	1	en	Mandatory Cargo Hook Installation and Aft Saddle Assemblies - Inspection and Replacement of Aft Saddle Assemblies	08/30/2016
SB 900-074		en	Mandatory Naca Support Assembly Replacement and Inspection/Rework of NACA Inlet Assembly	08/30/2000
SB 900-075		en	Mandatory Electrical Load Center Inspection and Rework	08/04/2000
SB 900-076	1	en	Mandatory Inspection and Rework of Main Rotor Support Static Mast	12/04/2000
SB 900-077		en	Mandatory Inspection and Rework of Aft Deck Splitter Attachment Structure	12/04/2000
SB 900-078		en	Mandatory Non-Rotating Swashplate Assembly Bushing Rework and Longitudinal Drive Link Assembly Inspection and Repair	04/23/2001
SB 900-079	1	en	Mandatory Mechanical Engine Controls - One Time Inspection and Replacement of Pilot and Copilot Collective Sticks	03/19/2002
SB 900-080		en	Mandatory Fuel Contamination Inspection	05/15/2001
SB 900-081	1	en	Mandatory Integrated Instrument Display System (IIDS) Replacement	11/08/2001
SB 900-082		en	Mandatory Integrated Instrument Display System (IIDS) Gen Light Wiring Modification	11/08/2001
SB 900-082	2	en	Mandatory Integrated Instrument Display System (IIDS) Gen Light Wiring Modification	06/10/2003
SB 900-083		en	Mandatory Integrated Instrument Display System (IIDS) Eec Light Wiring Modification	11/08/2001
SB 900-083	2	en	Mandatory Integrated Instrument Display System (IIDS) Eec Light Wiring Modification	09/15/2006
SB 900-084		en	Mandatory Life Limit and Serialization of Lateral Mixer Bellcrank Assemblies	12/03/2001
SB 900-085		en	Mandatory Engine Oil Breather Hose Replacement	02/13/2002
SB 900-086		en	Mandatory Modified Empennage Bellcrank Assembly Reidentification	06/17/2002
SB 900-087		en	Mandatory Main Rotor Transmission Assembly Upgrade	08/20/2002
SB 900-087	1	en	Mandatory Main Rotor Transmission Assembly Upgrade	12/27/2011
SB 900-088		en	Mandatory Integrated Instrument Display System (IIDS) Test	08/14/2002
SB 900-089	1	en	Mandatory Main Rotor Support Static Mast, One Time Inspection	10/22/2002
SB 900-090		en	Mandatory Pilot's Collective Stick Floor Access Cover Rework	12/18/2002
SB 900-091		en	Mandatory Cabin Floor Attach Points Inspection and Rework	05/06/2003
SB 900-092		en	Mandatory Main Rotor Blade Retention Bolt Inspection	06/20/2003
SB 900-092	1	en	Mandatory Main Rotor Blade Retention Bolt Inspection	06/30/2003
SB 900-092	2	en	Mandatory Main Rotor Blade Retention Bolt Inspection	09/02/2004
SB 900-093		en	Mandatory Main Rotor Drive Plate Nut Torque Check and Torque Increase	09/08/2003
SB 900-094		en	Mandatory Fan Input Force Limiting Control Rod Assembly, Fail-Safe Device Installation and Pilot's Daily Check	03/17/2004
SB 900-095		en	Mandatory Tension-Torsion Strap Inspection	11/03/2004
SB 900-096		en	Mandatory Swashplate Spherical Slider Bearing (900C3010042-103) Life Limit Reduction	02/28/2005
SB 900-097		en	Mandatory Bonded Keel/Tub Modification	06/06/2005
SB 900-098		en	Mandatory Fuel Probe Label Replacement	10/19/2005
SB 900-099	1	en	Mandatory Thruster Extension and Vortex Generator Installation	12/27/2006
SB 900-099 (Addendum)	1	en	Mandatory Thruster Extension and Vortex Generator Installation
SB 900-100		en	Mandatory Directional Pedal Assembly Modification	04/05/2006
SB 900-101		en	Mandatory Drive Ring Assembly One Time Inspection and Rework	04/21/2006
SB 900-101	1	en	Mandatory Drive Ring Assembly One Time Inspection and Rework	02/01/2008
SB 900-102	1	en	Mandatory Increased Gross Weight Capability to 6500 lbs with VNE Card and LH Middle Aft Truss Assembly Replacement	12/27/2006
SB 900-103		en	Mandatory Upper Deck Control Rod Installation One Time Inspection	11/05/2007
SB 900-104		en	Mandatory Main Rotor Hub Damper Inspection and Replacement	08/06/2007
SB 900-105		en	Mandatory Rotating Swashplate Life Limit Change and Better Helicopter Performance	03/06/2008
SB 900-106		en	Mandatory Forward Directional Control Cable Installation and Rotating Cone Control Rod, One Time Inspection	12/20/2007
SB 900-107	1	en	Mandatory Notar Fan Tension-Torsion (TT) Strap Replacement	03/14/2008
SB 900-108	1	en	Mandatory Forward Directional Control Cable and Rotating Cone Control Rod Installation Modification	08/13/2008
SB 900-109		en	Mandatory De-Energize VSCS System and Replace VSCS Tube Adapters	08/15/2008
SB 900-109	1	en	Mandatory De-Energize VSCS System and Replace VSCS Tube Adapters	08/22/2008
SB 900-110		en	Mandatory Operational Restrictions Concerning VSCS Tube Adapters	10/17/2008
SB 900-110	1	en	Mandatory Operational Restrictions Concerning VSCS Tube Adapters	12/03/2008
SB 900-111		en	Mandatory Horizontal Endplate (Vertical Stabilizer) Installation	04/11/2009
SB 900-112		en	Mandatory Main Rotor Upper Hub and Drive Plate Inspection	04/24/2009
SB 900-113		en	Mandatory One-Time Inspection of Oil Out Hoses	09/04/2009
SB 900-114		en	Mandatory One-Time Inspection of Fuel Cell Cord Routing	11/17/2009
SB 900-116		en	Mandatory 300-Hour Inspection for the Main Rotor Blade Retention Bolts	02/24/2010
SB 900-116	1	en	Mandatory 300-Hour Inspection for the Main Rotor Blade Retention Bolts	04/09/2010
SB 900-117		en	Mandatory Eddy Current Inspection of the Main Rotor Lower Hub Assembly	01/14/2011
SB 900-117	1	en	Mandatory Eddy Current Inspection of the Main Rotor Lower Hub Assembly	05/20/2014
SB 900-118		en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	07/20/2011
SB 900-118	1	en	Mandatory Replacement of Mobil SHC 626 with Mobil AGL	12/13/2011
SB 900-119		en	Mandatory One-Time Inspection of Landing Gear Crosstubes	10/01/2012
SB 900-120		en	Mandatory One-Time Replacement of the Carrier Support in the Transmission Assembly	07/26/2013
SB 900-121		en	Mandatory Load Check Procedure for Goodrich Hoist Overload Clutches	10/22/2013
SB 900-122		en	Mandatory One-Time Eddy Current Inspection of the Main Rotor Upper Hub Assembly	04/08/2014
SB 900-123		en	Mandatory Periodic Inspections of the Aft and Forward Crosstubes	06/23/2014
SB 900-125		en	Mandatory Inspection of the Flexbeam Boltholes in the Main Rotor Upper Hub Assembly	02/19/2016
SB DN-001		en	Mandatory Inspection of Tail Rotor Output Shaft: Installation of Protective Dust Boots	03/23/1977
SB DN-003		en	Mandatory Main Rotor Controls - Rigging of Cyclic and Collective Controls; Rework of Mixer Controls; Installation of Pitch Housing Striker Plate Support Nut	08/30/1977
SB DN-006		en	Mandatory Main Rotor Pitch Control Rod Assembly - Replacement of PN 369A1009-3 Pitch Rod and Inspection of Rod End Bearings	08/30/1977
SB DN-008		en	Mandatory Installation of PN DN21808 Support Ring - Tail Rotor Stationary Boot, PN 369D21806	08/30/1977
SB DN-009	2	en	Mandatory Overrunning Clutch Assembly, PN 369A5350-603 Rework and Inspection of PN 369A5350-11 Clutch Subassembly and PN 369A5361 Ball Bearing; Periodic Inspection of PN 369A5350-21 Clutch Subassembly	10/27/1978
SB DN-011		en	Mandatory Modification of PN 369A4516-3 N1 Tach Indicator	10/03/1977
SB DN-013		en	Mandatory Inspection - PN 369H90085 Litter Door Installation	11/30/1977
SB DN-014		en	Mandatory Modification Kit - Main Transmission Lubrication Pump, PN 369D25167	12/15/1977
SB DN-019		en	Mandatory Engine Compressor Water Wash Kit Installation, PN 369H92537 - Inspection and Replacement of Rivets	04/14/1978
SB DN-021		en	Mandatory Rework of Standard Landing Gear Skid Assembly, PN 369D26100-101; Rework of Extended Landing Gear Skid Assembly, PN 369D292114-101	06/06/1978
SB DN-022		en	Mandatory Sealing - Vertical Stabilizer Assembly, PN 369D23600, 369D23600-501	06/26/1978
SB DN-023	2	en	Mandatory Installation of Standoff Clamps - Heating System Hose and Main Rotor Transmission Oil Cooling Lines	09/05/1979
SB DN-025	1	en	Mandatory Rework of Fuselage Structure; Forward Section	03/07/1980
SB DN-026		en	Mandatory Inspection and Possible Replacement -- Seat Belt Assemblies PN 369H6541-5 and 369H6541-21	07/15/1978
SB DN-027	1	en	Mandatory Inspection and Rework of Tail Rotor Hub, PN 369A1725-5 and 369A1725-501; Inspection of Tail Rotor Blade Attachment Bolts; PN MS21250-06040	12/08/1978
SB DN-031		en	Mandatory Installation of New PN 369D21012 Rubber Washers - Attachment of Pitch Control Rods to Main Rotor Swashplate Assembly	09/08/1978
SB DN-034		en	Mandatory Replacement - PN 369D28309 Hose Assembly, Engine Oil Cooler to Engine Oil Tank	10/17/1978
SB DN-037		en	Mandatory PN 369D21800 Tail Rotor Pitch Control Assembly - Seating of Dual Bearing Inner Races: Torque Increase for PN 369D21803-3 Locknut	12/01/1978
SB DN-042		en	Mandatory PN 369H7825 Droop Control Bellcrank Assembly (Station 68.0) - Relocation of Locknut and Installation of Spacer	02/15/1979
SB DN-044	1	en	Mandatory PN 369D23601 Horizontal Stabilizer Assembly - Adjustment or Replacement of PN 369D23678-3 Trailing Edge Tabs; Relocation of PN 369H6610-5 Static Pressure Tube	06/22/1979
SB DN-045	2	en	Mandatory PN 369D21400-501 Main Rotor Lead-Lag Elastomeric Damper Assembly - Internal Modification and Reidentification	10/22/1979
SB DN-047		en	Mandatory Field Rigging Check - PN 369A8013-503 Heater Control Valve Assembly	04/16/1979
SB DN-049		en	Mandatory Inspection and Repair - Station 142 Tail Rotor Control Bellcrank Supports, PN 369A3035-11 and 369A3035-15	06/11/1979
SB DN-051	8	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/03/2000
SB DN-052	2	en	Mandatory Kit Installation, PN 369D290140-501 - Auxiliary Fairings and Seals, Engine Air Filter (Particle Separator)	09/15/1980
SB DN-054	1	en	Mandatory Inspection - Collective Torque Tube Support Bracket (PN 369A7304 Magnesium, PN 369N2608 Aluminum and Collective Bungee Support Bracket (PN 369A7339 Magnesium, PN 369N2650 Aluminum)	03/07/1980
SB DN-058	2	en	Mandatory Inspection and Repair of Aft Fuselage Skin Cracks; Installation of Doublers on Boom Fairing Lower Longerons	05/11/1981
SB DN-060		en	Mandatory Filter Gasket -- Engine Air Inlet (Particle Separator) Filter Kit Installation, PN 369H90148-503, -505 and -507	03/03/1980
SB DN-062		en	Mandatory Inspection and Rework of Tail Rotor Transmission Housing Assembly, PN 369D25401	03/03/1980
SB DN-063		en	Mandatory Horizontal Stabilizer Assembly -- Adding Drain Holes and Sealing Doubler Edges	03/03/1980
SB DN-065	1	en	Mandatory Rework of Cooling Blower Mounting Bracket	12/19/1980
SB DN-066		en	Mandatory Rework of PN 369D290125-21 Mist Eliminator Assembly - Engine Air Inlet Filter (Particle Separator) Assembly, PN 369H90148-507 and 369H90148-509	05/16/1980
SB DN-068	1	en	Mandatory Relocation of Tail Rotor Bungee Spring Forward Attachment; Tail Rotor Force Adjustment	12/08/1980
SB DN-069		en	Mandatory Polarity Check of Diode Assemblies	06/30/1980
SB DN-070		en	Mandatory Identification and Possible Rework of Seat Belt and Shoulder Harness Assemblies	07/11/1980
SB DN-071		en	Mandatory Wiring Modification - Utility Light Circuit and Transmission Oil Pressure and Temperature Warning Light Circuit	09/30/1980
SB DN-073		en	Mandatory Periodic Inspections and Bonding Procedure - Tail Rotor Drive Fork Elastomeric Teeter Bearings, PN 369A1724	08/22/1980
SB DN-078	1	en	Mandatory Inspection of PN 369A7003-3 Swashplate Bearing	07/28/1981
SB DN-079		en	Mandatory Sealing of Interfaces of Abrasion Strip and Main Rotor Blade Skin	01/30/1981
SB DN-080		en	Mandatory Replacement of Tavco PN 23111369 Solenoid Valve, Float Inflation System - Emergency Float Assemblies, Hughes PN 369D290121-501 and 369D290121-505	03/20/1981
SB DN-081	1	en	Mandatory Inspection of Overrunning Clutch Sprag Assembly	05/10/1983
SB DN-082		en	Mandatory Field Inspection and Repair of Tail Rotor Gear Box Main Housing Assembly, PN 369D25301 or 369D25401-3	04/15/1981
SB DN-086		en	Mandatory Shimming Procedure for Gas Producer Interconnecting Torque Tube Assembly	05/06/1981
SB DN-087		en	Mandatory Replacement of PN 369A7706-3 RPM Governor Lever Control Rod	05/15/1981
SB DN-088		en	Mandatory Elimination of Possible Interference of Safety Wire with Oil Cooler Blower Drive Belt	05/19/1981
SB DN-091	1	en	Mandatory Inspection of Main Rotor Hub Strap Pack Retention Bolts and Replacement of Bushings	07/22/1981
SB DN-092		en	Mandatory Corrosion Inspection/Treatment-One-Way Lock Support Assembly, P/N 369A7314 and 369N2648	06/04/1981
SB DN-093		en	Mandatory Inspection/Modification of Breeze Corporation Inc. Hoist, PN BL-16600-12	06/18/1981
SB DN-094		en	Mandatory Deactivation of Main Rotor Brake System (if Installed); Periodic Inspection of Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564	06/25/1981
SB DN-095		en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564; Check of Flexible Couplings	08/07/1981
SB DN-096		en	Mandatory One-Time Inspection - Attachment Hardware for Sta-Strap Securing Electric Wiring to Boom Fairing at Sta 138.50	08/21/1981
SB DN-097		en	Mandatory Main Rotor Brake System, PN 369H90123 Series Installation of Master Cylinder Stop, PN 369D292585	10/05/1981
SB DN-099		en	Mandatory Periodic Inspection of Main Rotor Drive Shaft, PN 369D25510	11/30/1981
SB DN-102		en	Mandatory Inspection of PN 369A7006-5 Tail Rotor Control Rod; Rework of PN 369D290128-11 Particle Separator Fairing Assembly and PN 369D290128-31 Cover Assembly	02/01/1982
SB DN-104		en	Mandatory Instrument Cluster 3-Pack Conversion - AC to Rochester	03/05/1982
SB DN-107		en	Mandatory Installation of Fuselage Attach Points (PN 369H90070-211/212 Subassemblies) for Accessory Kit Attach Fittings	07/01/1982
SB DN-108		en	Mandatory Replacement of Intercom (ICS) Switch and Jack Assembly	07/01/1982
SB DN-110	1	en	Mandatory Inspection and Modification of PN 369D292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies; and Inspection and Modification of Aft Landing Gear Foot Assemblies	10/27/1989
SB DN-111		en	Mandatory New Shimming Procedure for Tail Rotor. Drive Shaft Forward Flexible Coupling, PN 369A5501 or 369H92564, with Failsafe Device Installed	09/27/1982
SB DN-112		en	Mandatory Inspection - Landing Gear Struts and Feet	11/19/1982
SB DN-113		en	Mandatory Relocation of Engine Air Inlet Filter Bypass Door Aft Pulley (PN 369A8448) and Bracket (PN 369A8447), and Particle Separator Filter (PN 369H90152-3 or 369D290125-11) Gasket Inspection	01/10/1983
SB DN-114		en	Mandatory Main Rotor Transmission Drain Line Bracketry Modification	02/15/1983
SB DN-115		en	Mandatory Pilot's Compartment, Center Passenger Seat Lap Belt Installation Check; Preflight Check of Passenger Lap Belt and Shoulder Strap Adjustment	02/15/1983
SB DN-117		en	Mandatory Installation of 510 OHM Resistor in PN 369D296303, 369D296303-701 and 369A4245 Series Fuel Quantity Sending Units	03/20/1983
SB DN-118		en	Mandatory Fuel Vent System Hose (PN 369A8131-19) Inspection	05/02/1983
SB DN-119	1	en	Mandatory Installation of Collective Stick Support Bracket Reinforcement Strap	11/23/1983
SB DN-121		en	Mandatory Button Plug Installation - Mast Support Structure, Aft Channel	06/27/1983
SB DN-122		en	Mandatory Inspection and Overhaul of Fuel Shutoff Valve (PN 369A8104-5)	07/29/1983
SB DN-123		en	Mandatory Battery Case and Main DC Power Wiring Inspection	10/28/1983
SB DN-124		en	Mandatory Main Transmission Oil Line (PN 369D25709 and 369D25710) Inspection; and Replacement of Main Transmission Oil Lines (PN 369D25709 and 369D25710) and Bracketry with New PN 369D25709-11 and 369D25710-11 Lines and Bracketry	11/10/1983
SB DN-125		en	Mandatory Main Rotor Swashplate Bearing, PN 369A7003-3, Inspection and Possible Replacement	12/23/1983
SB DN-126		en	Mandatory Fuel Shut-Off Valve Control Cable (PN 369A8137-503 and -603) Pull Test	04/10/1984
SB DN-127		en	Mandatory Removal of Gray Coating From PN 369D21700 and 369D21700-3 Tail Rotor Hubs	06/12/1984
SB DN-129		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SB DN-130	2	en	Mandatory Inspection of Tail Rotor Blade Leading Edge Abrasion Strip Bonding	03/23/1987
SB DN-131	1	en	Mandatory Corrosion Removal and Magnetic Rubber Inspection of Main Rotor Drive Shaft I.D.	10/30/1987
SB DN-132	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SB DN-133		en	Mandatory Cancellation of Warranty	03/18/1985
SB DN-134		en	Mandatory Non-Airworthy Clutch Assemblies	03/18/1985
SB DN-135		en	Mandatory Exit Warning Decal PN 369D24043	08/07/1985
SB DN-136		en	Mandatory Replacement of Main Rotor Cooling Installation Bracket from 369D25701-3 to 369D25701-11	08/07/1985
SB DN-137		en	Mandatory Tail Rotor Bellcrank Inspection - P/N 369D27514 & 369D27515	12/20/1985
SB DN-138		en	Mandatory Fargo Auxiliary Fuel Tanks PN - A1066-1082	01/10/1986
SB DN-139	1	en	Mandatory Cooling Fan Pulleys PN 369D25620, 369D25622, 369D25622-3 and 369D25624 Inspection	03/18/1986
SB DN-141		en	Mandatory Removal of Seat Belt Assemblies Manufactured by the Eon Corporation	05/15/1986
SB DN-142		en	Mandatory United Instruments, Inc. Altimeters (MDHC Part No. 369D24174, 369H4505 and 369H90124)	05/20/1986
SB DN-143	1	en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H2564: and Inspection of Flexible Couplings	11/28/1986
SB DN-144		en	Cancelled Shimming of Elastomeric Tail Rotor Bearings	02/22/2000
SB DN-145		en	Mandatory Fabrication and Installation of 369D25704 Oil Flexline Hose Assemblies in the Main Transmission Oil Cooling Installation	04/09/1987
SB DN-146	1	en	Mandatory Daily Preflight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding	09/10/1992
SB DN-147	1	en	Mandatory One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	10/30/1987
SB DN-148	1	en	Mandatory Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (PN 369D25132-BSC or -5)	10/30/1987
SB DN-149		en	Mandatory 369A8010 Engine Oil Pressure and Torque Tubing Pull Test	09/15/1987
SB DN-150		en	Mandatory Start Pump Wire Routing and Fuel Quantity Sender Inspection	09/15/1987
SB DN-151		en	Mandatory Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SB DN-152		en	Mandatory Replacement of 369A8442 - Basic Latch Assembly on the Particle Separator Bypass Door	12/18/1987
SB DN-153	2	en	Mandatory One-Time Inspection and Replacement of Tail Rotor Fork Bolt (369A1602)	04/21/1989
SB DN-154		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SB DN-155		en	Mandatory Main Rotor Blade Upper and Lower Trailing Edge Weight Rework	01/15/1988
SB DN-156	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SB DN-157		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Coupling - 369H5660	04/05/1989
SB DN-158	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PNs 369A7007, 389A7009, 369A7011 and 369A7012)	07/21/1989
SB DN-159		en	Mandatory One-Time Inspection of 369A8352, 369H8306, 369H8025, 369H8024-5 and 369D28651 Aeroquip Hoses	06/12/1989
SB DN-160		en	Mandatory One-Time Inspection of Four-Bladed Tail Rotor Hubs (PN 369D21700-3)	06/19/1989
SB DN-161		en	Mandatory One-Time Inspection of 369D25420 Tail Rotor Transmission Output Shaft Duplex Bearings	07/10/1989
SB DN-162		en	Mandatory One-Time Inspection of Emergency and Utility Float Skid Tube Extension Assemblies	06/30/1989
SB DN-163		en	Mandatory One-Time Inspection of 369A5358 Lockwasher in the Overrunning Clutch Assembly and Inspection of Engine Output Drive Splines	10/27/1989
SB DN-164	1	en	Mandatory Conversion to 369A5350-41 Overrunning Clutch Sub-Assemblies	05/04/1990
SB DN-165		en	Mandatory Installation of Oil Flow Restricting Devices into the Engine Oil and Torque Pressure Sensing Systems	10/27/1989
SB DN-166	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of all MS21250-04036 Bolts in Main Transmission	03/14/1990
SB DN-167		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SB DN-168		en	Mandatory One-Time Replacement of Polycarbonate Cover Assemblies (369A9817)	06/15/1990
SB DN-169		en	Mandatory One Time Replacement of Tail Rotor Blade Pitch Arm Bolt Attaching Nuts	06/15/1990
SB DN-170	1	en	Mandatory One Time Torque Check and Inspection of Main Rotor Blades	05/15/1991
SB DN-171	1	en	Mandatory One Time Inspection of 369D25623 Oil Cooler Blower Belt	11/21/1990
SB DN-172	1	en	Mandatory One-Time Installation of 369D24054-3 Warning Decals in the Engine Compartment Area	09/04/1990
SB DN-173		en	Mandatory Inspection of Lead-Lag Link Attach Nuts	09/04/1990
SB DN-174		en	Mandatory Inspection of T/R Input Gearshaft (P/N 369D25434) in the T/R Gearbox	11/21/1990
SB DN-175		en	Mandatory One-Time Inspection of 369H8407 Engine Bleed Air Tube Flexible Area	11/21/1990
SB DN-176		en	Mandatory One Time Reinstallation of the 369A1602-3 Tail Rotor Fork Bolt	11/21/1990
SB DN-177	1	en	Mandatory Pre-Flight Check and One-Time Inspection of Tail Rotor Blades	03/01/1991
SB DN-178		en	Mandatory One-Time Rework of Main Rotor Transmission Oil Cooling Fan Mounting Bracket	02/01/1991
SB DN-179		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SB DN-180		en	Mandatory Inspection of Overrunning Clutch Outer Race	01/17/1992
SB DN-181	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SB DN-182		en	Mandatory One-Time Inspection/Rework of Engine Air Inlet Area	03/02/1992
SB DN-183	2	en	Mandatory Main Rotor Blade Replacement	01/27/1993
SB DN-184		en	Mandatory Four-Way Trim Switch Replacement Program	03/10/1994
SB DN-185		en	Mandatory Lockwasher Inspection	09/23/1994
SB DN-186		en	Mandatory Firewall Fuel Fitting Modification	09/26/1994
SB DN-187		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SB DN-188		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SB DN-189		en	Mandatory Main Rotor Transmission Component Inspection (369D25127-11)	01/10/1997
SB DN-190		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SB EN-003		en	Mandatory Inspection of Overrunning Clutch Sprag Assembly	04/29/1983
SB EN-004		en	Mandatory Periodic Inspection of Main Rotor Drive Shaft, PN 369D25510	04/29/1983
SB EN-005		en	Mandatory Pilot's Compartment, Center Passenger Seat Lap Belt Installation Check; Preflight Check of Passenger Lap Belt and Shoulder Strap Adjustment	02/15/1983
SB EN-007		en	Mandatory Fuel Vent System Hose (PN 369A8131-19) Inspection	05/02/1983
SB EN-009		en	Mandatory Inspection and Overhaul of Fuel Shutoff Valve (PN 369A8104-5)	07/29/1983
SB EN-010		en	Mandatory Main Transmission Oil Line (PN 369D25709 and 369D25710) Inspection; and Replacement of Main Transmission Oil Lines (PN 369D25709 and 369D25710) and Bracketry with New PN 369D25709-11 and 369D25710-11 Lines and Bracketry	11/10/1983
SB EN-011		en	Mandatory Installation of Collective Stick Support Bracket Reinforcement Strap	11/23/1983
SB EN-012		en	Mandatory Main Rotor Swashplate Bearing, PN 369A7003-3, Inspection and Possible Replacement	12/23/1983
SB EN-013	1	en	Mandatory Inspection, PN 369A7011 Longitudinal Mixer Control Rod; Replacement of PN 369D22509-51 Doubler with 369DSK169-3 Repair Doubler	06/01/1984
SB EN-014		en	Mandatory Fuel Shut-Off Valve Control Cable (PN 369A8137-503 and -603) Pull Test	04/10/1984
SB EN-015		en	Mandatory Removal of Gray Coating From PN 369D21700 and 369D21700-3 Tail Rotor Hubs	06/10/1984
SB EN-016		en	Mandatory Alternation of Crew Compartment Seat Back Assemblies	06/13/1984
SB EN-018		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SB EN-019	2	en	Mandatory Inspection of Tail Rotor Blade Leading Edge Abrasion Strip Bonding	03/23/1987
SB EN-020	1	en	Mandatory Corrosion Removal and Magnetic Rubber Inspection of Main Rotor Drive Shaft I.D.	10/30/1987
SB EN-021	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SB EN-022		en	Mandatory Cancellation of Warranty	03/18/1985
SB EN-023		en	Mandatory Non-Airworthy Clutch Assemblies	03/18/1985
SB EN-024		en	Mandatory Replacement of Main Rotor Cooling Installation Bracket from 369D25701-3 to 369D25701-11	08/07/1985
SB EN-025		en	Mandatory Tail Rotor Bellcrank Inspection - P/N 369D27514 & 369D27515	12/20/1985
SB EN-026		en	Mandatory Fargo Auxiliary Fuel Tanks PN - A1066-1082	01/10/1986
SB EN-027	1	en	Mandatory Cooling Fan Pulleys PN 369D25620, 369D25622, 369D25622-3 and 369D25624 Inspection	03/18/1986
SB EN-029		en	Mandatory Removal of Seat Belt Assemblies Manufactured by the Eon Corporation	05/15/1986
SB EN-030		en	Mandatory United Instruments, Inc. Altimeters (MDHC Part No. 369D24174, 369H4505 and 369H90124)	05/20/1986
SB EN-031	1	en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H2564: and Inspection of Flexible Couplings	11/28/1986
SB EN-032		en	Cancelled Shimming of Elastomeric Tail Rotor Bearings	02/22/2000
SB EN-033		en	Mandatory Fabrication and Installation of 369D25704 Oil Flexline Hose Assemblies in the Main Transmission Oil Cooling Installation	04/09/1985
SB EN-034	1	en	Mandatory Daily Preflight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding	09/10/1992
SB EN-035	1	en	Mandatory One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	10/30/1987
SB EN-036	1	en	Mandatory Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (PN 369D25132-BSC or -5)	10/30/1987
SB EN-037		en	Mandatory 369A8010 Engine Oil Pressure and Torque Tubing Pull Test	09/15/1987
SB EN-038		en	Mandatory Start Pump Wire Routing and Fuel Quantity Sender Inspection	09/15/1987
SB EN-039		en	Mandatory Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SB EN-040	1	en	Mandatory Rework of Horizontal Stabilizer Assembly (P/N 421-087-503 and -505)	04/07/1989
SB EN-041		en	Mandatory Replacement of 369A8442 - Basic Latch Assembly on the Particle Separator Bypass Door	12/18/1987
SB EN-042	6	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/03/2000
SB EN-043	2	en	Mandatory One-Time Inspection and Replacement of Tail Rotor Fork Bolt (369A1602)	04/21/1989
SB EN-044		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SB EN-045		en	Mandatory Main Rotor Blade Upper and Lower Trailing Edge Weight Rework	01/15/1988
SB EN-046	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SB EN-047		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Coupling - 369H5660	04/15/1989
SB EN-048	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PNs 369A7007, 389A7009, 369A7011 and 369A7012)	07/21/1989
SB EN-049		en	Mandatory One-Time Inspection of 369A8352, 369H8306, 369H8025, 369H8024-5 and 369D28651 Aeroquip Hoses	06/12/1989
SB EN-050		en	Mandatory One-Time Inspection of Four-Bladed Tail Rotor Hubs (PN 369D21700-3)	06/19/1989
SB EN-051		en	Mandatory One-Time Inspection of 369D25420 Tail Rotor Transmission Output Shaft Duplex Bearings	07/10/1989
SB EN-052		en	Mandatory One-Time Inspection of Emergency and Utility Float Skid Tube Extension Assemblies	06/30/1989
SB EN-053		en	Mandatory One-Time Inspection of 369A5358 Lockwasher in the Overrunning Clutch Assembly and Inspection of Engine Output Drive Splines	10/27/1989
SB EN-054	1	en	Mandatory Conversion to 369A5350-41 Overrunning Clutch Sub-Assemblies	05/04/1990
SB EN-055		en	Mandatory Installation of Oil Flow Restricting Devices into the Engine Oil and Torque Pressure Sensing Systems	10/27/1989
SB EN-056		en	Mandatory Inspection and Modification of PN 369d292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies; and Inspection and Modification of Aft Landing Gear Foot Assemblies	10/27/1989
SB EN-057	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of all MS21250-04036 Bolts in Main Transmission	03/14/1990
SB EN-058		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SB EN-059		en	Mandatory One-Time Replacement of Polycarbonate Cover Assemblies (369A9817)	06/15/1990
SB EN-060		en	Mandatory One Time Replacement of Tail Rotor Blade Pitch Arm Bolt Attaching Nuts	06/15/1990
SB EN-061	1	en	Mandatory One Time Torque Check and Inspection of Main Rotor Blades	05/15/1991
SB EN-062	1	en	Mandatory One Time Inspection of 369D25623 Oil Cooler Blower Belt	11/21/1990
SB EN-063	1	en	Mandatory One-Time Installation of 369D24054-3 Warning Decals in the Engine Compartment Area	09/04/1990
SB EN-064		en	Mandatory Inspection of Lead-Lag Link Attach Nuts	09/04/1990
SB EN-065		en	Mandatory Inspection of T/R Input Gearshaft (P/N 369D25434) in the T/R Gearbox	11/21/1990
SB EN-066		en	Mandatory One-Time Inspection of 369H8407 Engine Bleed Air Tube Flexible Area	11/21/1990
SB EN-067		en	Mandatory One Time Reinstallation of the 369A1602-3 Tail Rotor Fork Bolt	11/21/1990
SB EN-068	1	en	Mandatory Pre-Flight Check and One-Time Inspection of Tail Rotor Blades	03/01/1991
SB EN-069		en	Mandatory One-Time Rework of Main Rotor Transmission Oil Cooling Fan Mounting Bracket	02/01/1991
SB EN-070		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SB EN-071		en	Mandatory One-Time Replacement of Diodes with Transzorbs	12/19/1991
SB EN-072		en	Mandatory Inspection of Overrunning Clutch Outer Race	01/17/1992
SB EN-073	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SB EN-074		en	Mandatory One-Time Inspection/Rework of Engine Air Inlet Area	03/20/1992
SB EN-075	2	en	Mandatory Main Rotor Blade Replacement	01/27/1993
SB EN-076		en	Mandatory Fuel Pressure Switch Inspection (P/N 369D28144-1)	05/20/1992
SB EN-077		en	Mandatory Four-Way Trim Switch Replacement Program	03/10/1994
SB EN-078		en	Mandatory Lockwasher Inspection	09/23/1994
SB EN-079		en	Mandatory Firewall Fuel Fitting Modification	09/26/1994
SB EN-080		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SB EN-081		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SB EN-082		en	Mandatory Main Rotor Transmission Component Inspection (369D25127-11)	01/10/1997
SB EN-083		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SB FN-003		en	Mandatory Inspection of Overrunning Clutch Sprag Assembly	07/29/1983
SB FN-004		en	Mandatory Periodic Inspection of Main Rotor Drive Shaft, PN 369D25510	07/29/1983
SB FN-005		en	Mandatory Disarming N2 Electronic Overspeed Control System	12/09/1983
SB FN-006		en	Mandatory Alternation of Crew Compartment Seat Back Assemblies	06/13/1984
SB FN-008	1	en	Mandatory Corrosion Removal and Magnetic Rubber Inspection of Main Rotor Drive Shaft I.D.	10/30/1987
SB FN-009	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SB FN-010		en	Mandatory Cancellation of Warranty	03/18/1985
SB FN-011		en	Mandatory Non-Airworthy Clutch Assemblies	03/18/1985
SB FN-012		en	Mandatory Replacement of Main Rotor Cooling Installation Bracket from 369D25701-3 to 369D25701-11	08/07/1985
SB FN-013		en	Mandatory Tail Rotor Bellcrank Inspection - P/N 369D27514 & 369D27515	12/20/1985
SB FN-014		en	Mandatory Fargo Auxiliary Fuel Tanks PN - A1066-1082	01/10/1986
SB FN-015	1	en	Mandatory Cooling Fan Pulleys PN 369D25620, 369D25622, 369D25622-3 and 369D25624 Inspection	03/18/1986
SB FN-017	1	en	Mandatory Inspection of Tail Rotor Blade Leading Edge Abrasion Strip Bonding	03/23/1987
SB FN-018		en	Mandatory Removal of Seat Belt Assemblies Manufactured by the Eon Corporation	05/15/1986
SB FN-019		en	Mandatory United Instruments, Inc. Altimeters (MDHC Part No. 369D24174, 369H4505 and 369H90124)	05/20/1986
SB FN-021		en	Cancelled Shimming of Elastomeric Tail Rotor Bearings	02/22/2000
SB FN-022		en	Mandatory Fabrication and Installation of 369D25704 Oil Flexline Hose Assemblies in the Main Transmission Oil Cooling Installation	04/09/1985
SB FN-023	1	en	Mandatory Daily Preflight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding	09/10/1992
SB FN-024	1	en	Mandatory One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	10/30/1987
SB FN-025	1	en	Mandatory Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (PN 369D25132-BSC or -5)	10/30/1987
SB FN-026		en	Mandatory 369A8010 Engine Oil Pressure and Torque Tubing Pull Test	09/15/1987
SB FN-027		en	Mandatory Start Pump Wire Routing and Fuel Quantity Sender Inspection	09/15/1987
SB FN-028		en	Mandatory Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SB FN-029	1	en	Mandatory Rework of Horizontal Stabilizer Assembly (P/N 421-087-503 and -505)	04/07/1989
SB FN-030		en	Mandatory Replacement of 369A8442 - Basic Latch Assembly on the Particle Separator Bypass Door	12/18/1987
SB FN-031	6	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/03/2000
SB FN-032	2	en	Mandatory One-Time Inspection and Replacement of Tail Rotor Fork Bolt (369A1602)	04/21/1989
SB FN-033		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SB FN-034	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SB FN-035		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Coupling - 369H5660	04/05/1989
SB FN-036	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PNs 369A7007, 389A7009, 369A7011 and 369A7012)	07/21/1989
SB FN-037		en	Mandatory One-Time Inspection of 369A8352, 369H8306, 369H8025, 369H8024-5 and 369D28651 Aeroquip Hoses	06/12/1989
SB FN-038		en	Mandatory One-Time Inspection of 369D25420 Tail Rotor Transmission Output Shaft Duplex Bearings	07/10/1989
SB FN-039		en	Mandatory One-Time Rework of 250-C30 Lower Aft Engine Mount Installation	06/20/1989
SB FN-040		en	Mandatory One-Time Inspection of Emergency and Utility Float Skid Tube Extension Assemblies	06/30/1989
SB FN-041		en	Mandatory One-Time Inspection of 369A5358 Lockwasher in the Overrunning Clutch Assembly and Inspection of Engine Output Drive Splines	10/27/1989
SB FN-042		en	Mandatory Inspection and Modification of PN 369d292028, Aft Passenger Step Assemblies, on Extended Landing Gear Assemblies; and Inspection and Modification of Aft Landing Gear Foot Assemblies	10/27/1989
SB FN-043		en	Mandatory Installation of Oil Flow Restricting Devices into the Engine Oil and Torque Pressure Sensing Systems	10/27/1989
SB FN-044	1	en	Mandatory Conversion to 369A5350-41 Overrunning Clutch Sub-Assemblies	05/04/1990
SB FN-045	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of all MS21250-04036 Bolts in Main Transmission	03/14/1990
SB FN-046		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SB FN-047		en	Mandatory One-Time Replacement of Polycarbonate Cover Assemblies (369A9817)	06/15/1990
SB FN-048		en	Mandatory One Time Replacement of Tail Rotor Blade Pitch Arm Bolt Attaching Nuts	06/15/1990
SB FN-049	1	en	Mandatory One Time Torque Check and Inspection of Main Rotor Blades	05/15/1991
SB FN-050	1	en	Mandatory One Time Inspection of 369D25623 Oil Cooler Blower Belt	11/21/1990
SB FN-051	1	en	Mandatory One-Time Installation of 369D24054-3 Warning Decals in the Engine Compartment Area	09/04/1990
SB FN-052		en	Mandatory Inspection of Lead-Lag Link Attach Nuts	09/04/1990
SB FN-053		en	Mandatory Inspection of T/R Input Gearshaft (P/N 369D25434) in the T/R Gearbox	11/21/1990
SB FN-054		en	Mandatory One Time Reinstallation of the 369A1602-3 Tail Rotor Fork Bolt	11/21/1990
SB FN-055	1	en	Mandatory Pre-Flight Check and One-Time Inspection of Tail Rotor Blades	03/01/1991
SB FN-056		en	Mandatory One-Time Rework of Main Rotor Transmission Oil Cooling Fan Mounting Bracket	02/01/1991
SB FN-057		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SB FN-058		en	Mandatory One-Time Replacement of Diodes with Transzorbs	12/19/1991
SB FN-059		en	Mandatory Inspection of Overrunning Clutch Outer Race	01/17/1992
SB FN-060	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SB FN-061		en	Mandatory One-Time Inspection/Rework of Engine Air Inlet Area	03/20/1992
SB FN-062	2	en	Mandatory Main Rotor Blade Replacement	01/27/1993
SB FN-063		en	Mandatory Four-Way Trim Switch Replacement Program	03/10/1994
SB FN-064		en	Mandatory Lockwasher Inspection	09/23/1994
SB FN-065		en	Mandatory Firewall Fuel Fitting Modification	09/26/1994
SB FN-066		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SB FN-067		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SB FN-068		en	Mandatory Tail Rotor Control Rod Replacement	11/22/1996
SB FN-069		en	Mandatory Main Rotor Transmission Component Inspection (369D25127-11)	01/10/1997
SB FN-070		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SB HN-001	1	en	Mandatory Inspection - Tail Rotor Transmission Assembly, P/N 369A5400	10/27/1969
SB HN-001 (Addendum X1)	1	en	Mandatory Inspection - Tail Rotor Transmission Assembly, P/N 369A5400	10/27/1969
SB HN-008		en	Mandatory Inspection and Possible Retirement Main Rotor Blades P/N 369A 1100-501	11/19/1969
SB HN-011		en	Mandatory M30223 Kit Installation - Main Rotor Locknut and Retaining Ring	12/08/1969
SB HN-018		en	Mandatory Kit Installation (M30209) - Engine Fuel Filter Pressure Switch	04/21/1970
SB HN-023		en	Mandatory Modification for Doors - Off Flight - Canopy Upper Windshield Assemblies, P/N 369A2405-3 and 369A2405-4	09/11/1970
SB HN-028	1	en	Mandatory Kit Installation (M50027) - Modification, Transmission and Coupling Fan Assembly	03/01/1971
SB HN-034	1	en	Mandatory Modification Kit (M50438) - Trim Potentiometer, Engine Oil Pressure Gage	06/16/1971
SB HN-037		en	Mandatory Rework - Engine Oil Cooler Fan Assembly P/N 369H8062	08/12/1971
SB HN-038		en	Mandatory New Pressure-Actuated Switch - Automatic Engine Reignition Kit Installation, P/N 369H90118-501 or P/N 369H90140	08/23/1971
SB HN-040	1	en	Mandatory Inspection - Tail Rotor Transmission Output Bevel Gearshaft	12/13/1971
SB HN-045		en	Mandatory Installation - New VNE Placards	02/29/1972
SB HN-047		en	Mandatory Modification - Mechanical Release System, Cargo Hook Kit Installation, PN 369H90065	04/10/1972
SB HN-048		en	Mandatory Modification and Alignment Check - Rotor Brake Installation	05/01/1972
SB HN-050		en	Mandatory Inspection and Shimming - Cabin Heater Control Valve Assembly	05/31/1972
SB HN-053	1	en	Mandatory 369A5400 Series Tail Rotor Gearbox - Revised Overhaul Schedule (TBO) and Component Finite Life (Input Gear Shaft Assembly)	08/07/1972
SB HN-054		en	Mandatory Inspection - Landing Gear Damper (Poppet Type) Assembly PN 369H6340 and PN 369H92131	10/23/1972
SB HN-095		en	Mandatory Inspection and Repair - Adjustable Upper Engine Mount Assemblies, PN 369H8016-1 and - 2	04/26/1976
SB HN-096		en	Mandatory Engine Air Particle Separator Filter Assembly Kit Installation, PN 369H90148 Basic and -501 Configurations - Installation of New Aft Screen Assembly, PN 369H90157	05/10/1976
SB HN-097		en	Mandatory Relocation - Outside Air Temperature (OAT) Indicator, PN 369H4515 (Modification Kit No. M30301)	06/18/1976
SB HN-098		en	Mandatory Potting of N2 Governor Control Switch, PN 369A4580 - Pilot and Copilot Collective Pitch Stick Assemblies	06/18/1976
SB HN-099		en	Mandatory Inspection - Tail Rotor Pitch Control Link Assemblies, PN 369A1807 Basic and 369A1807-5	06/18/1976
SB HN-102	3	en	Mandatory Inspection of 369A2001-601 Shock-Mounted Stabilizer Strut Assembly and Possible Replacement of 369A2130 Damper Plunger	12/24/1976
SB HN-103	2	en	Mandatory Rework of PN 369A7120 Longitudinal Friction Guide Link, Cyclic Pitch Control Installation	09/12/1977
SB HN-108		en	Mandatory Inspection - Attachment Hardware, ~ Rotor Pitch Control Rods To Pitch Housing Assembly	12/24/1976
SB HN-109		en	Mandatory 100-Hour Inspection - Main Rotor Hub Lead-Lag Links, PN 369A1234, 369A1234-7, 80-369H1234; and Lead-Lag Link Assembly, PN 369H1203	12/24/1976
SB HN-110		en	Mandatory Inspection - Tall Rotor Drive Shaft Damper, PN 369A5506	12/24/1976
SB HN-111	1	en	Mandatory Inspection of PN 369A3511-15 and 369A3511-17 Tailboom Bracket Assemblies, Tail Rotor Transmission Attachment	09/12/1977
SB HN-114		en	Mandatory Replacement of Tavco PN 23111357 Solenoid Valve, Float Inflation System - Emergency Float Assemblies, Hughes PN 369H92036-1 and 369H92036-2	04/15/1977
SB HN-116		en	Mandatory Wiring Modification Kit (M50450) - Automatic Engine Reignition Kit Installation, PN 369H90118-505, -507, -509 and -511	08/08/1977
SB HN-117		en	Mandatory Inspection and Modification of Oil Cooler Duct, PN 369H8301 or 710108 (Kit PN M50451)	07/22/1977
SB HN-118	2	en	Mandatory Overrunning Clutch Assembly, PN 369A5350-603 - Rework Inspection of PN 369A5350-11 Clutch Subassembly and PN 369A5361 Ball Bearing Periodic Inspection of PN 369A5350-21 Clutch Subassembly	10/27/1978
SB HN-121		en	Mandatory Inspection - PN 369H90085 Litter Door Installation	11/30/1977
SB HN-124		en	Mandatory Engine Compressor Water Wash Kit Installation, PN 369H23537 - Inspection and Replacement of Rivets	04/14/1978
SB HN-128	1	en	Mandatory Inspection and Rework of Tail Rotor Hub, PN 369A1725 and 369A1725-5; Inspection of Tail Rotor Blade Attachment Bolts, PN MS21250-06040	12/08/1978
SB HN-130		en	Mandatory New Periodic Inspection Intervals - Battery Overtemperature Warning System	01/10/1979
SB HN-131	1	en	Mandatory Replacement of PN 369A1602 Tail Rotor Drive Fork Hinge Bolt and PN 369A1603 Nut; New Assembly Procedure for Tail Rotor Hub and Drive Fork Unit; Periodic Check of Flapping Hinge Bolt Preload	09/02/1980
SB HN-136		en	Mandatory Field Rigging Check - PN 369A8013 Series and PN 369A8051 Series Heater Control Valve Assembly	04/16/1979
SB HN-150		en	Mandatory PN 369A1800 Series and PN 369H1800 Tail Rotor Pitch Control Assembly - Seating of Bearing Inner Race; Torque Increase for PN 369A1817 Locknut	11/26/1979
SB HN-152		en	Mandatory Removal of Filter Gasket - Engine Air Inlet (Particle Separator) Filter Kit Installation, PN 369H90148 and 369H90148-501	03/03/1980
SB HN-155		en	Mandatory Polarity Check of Diode Assemblies	06/30/1980
SB HN-156		en	Mandatory Identification and Possible Rework of Seat Belt and Shoulder Harness Assemblies	07/11/1980
SB HN-158		en	Mandatory Wiring Modification - Utility Light Circuit and Transmission Oil Pressure and Temperature Warning Light Circuit	09/30/1980
SB HN-162	1	en	Mandatory Inspection of PN 369A7003-3 Swashplate Bearing	09/14/1981
SB HN-163		en	Mandatory Sealing of Interfaces of Abrasion Strip and Main Rotor Blade Skin	01/30/1981
SB HN-164	1	en	Mandatory Inspection of Overrunning Clutch Sprag Assembly	05/10/1983
SB HN-165		en	Mandatory Field Inspection and Repair of Tail Rotor Transmission Main Housing Assembly, PN 369A5401	04/15/1981
SB HN-167		en	Mandatory Shimming Procedure for Gas Producer Interconnecting Torque Tube Assembly	05/04/1981
SB HN-168		en	Mandatory Special Inspection of PN 369A7003-3 Swashplate Bearing Assembly	05/06/1981
SB HN-169		en	Mandatory Replacement of PN 369A7706-3 RPM Governor Lever Rod	05/15/1981
SB HN-170		en	Mandatory Corrosion Inspection/Treatment - One-Way Lock Support Assembly, P/N 369A7314 and 369N2648	06/04/1981
SB HN-171		en	Mandatory Inspection/Modification of Breeze Corporation Inc. Hoist, PN BL-16600-12	06/18/1981
SB HN-172		en	Mandatory Inspection and Torque Requirements for Scroll Mounted Bleed Air Fittings	07/21/1981
SB HN-173		en	Mandatory - Deactivation of Main Rotor Brake System (if Installed): Periodic Inspection of Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564 - Installation of Failsafe Device at Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564; Check of Flexible Couplings	11/02/1981
SB HN-174		en	Mandatory Main Rotor Brake System, PN 369H90123 Series - Installation of Master Cylinder Stop, PN 369D292585	08/28/1981
SB HN-175		en	Mandatory Inspection of PN 369A1200 Series Main Rotor Hub Assembly Inspection of PN 369A1220 Main Rotor Blade Lead-Lag Pivot Bolt (Vertical Hinge Pin)	01/04/1982
SB HN-177		en	Mandatory Instrument Cluster 3-Pack Conversion - AC to Rochester	02/15/1982
SB HN-179		en	Mandatory Replacement of Intercom (ICS) Switch and Jack Assembly	07/01/1982
SB HN-181		en	Mandatory New Shimming Procedure for Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or 369H92564, with Failsafe Device Installed	10/12/1982
SB HN-182		en	Mandatory Replacement of Float Inflation System Solenoid Valves with Squib Valves - PN 369H90121 Series Emergency Float Assemblies	01/10/1983
SB HN-183		en	Mandatory Relocation of Engine Air Inlet Filter Bypass Door Aft Pulley (PN 369A8448) and Bracket (PN 369A8447), and Particle Separator Filter (PN 369H90152-3) Gasket Inspection	01/10/1983
SB HN-184		en	Mandatory Pilot's Compartment Center Passenger Seat Lap Belt Installation Check; Preflight Check of Passenger Lap Belt and Shoulder Adjustment	02/15/1983
SB HN-185		en	Mandatory Fuel System Servicing, Maintenance and Testing	03/15/1983
SB HN-186		en	Mandatory Fuel Vent System Hose (PN 369A8131-19) Inspection	05/02/1983
SB HN-187	1	en	Mandatory Installation of Collective Stick Support Bracket Reinforcement Strap	11/23/1983
SB HN-189	1	en	Mandatory Inspection and Overhaul of Fuel Shutoff Valve (PN 369A8104-3 or 369A8104-5)	08/20/1984
SB HN-190		en	Mandatory Battery Case Inspection	10/28/1983
SB HN-192		en	Mandatory Instrument Cluster 4-Pack Conversion AC to Rochester	02/15/1984
SB HN-193		en	Mandatory Fuel Shut-Off Valve Control Cable (PN 369A8137-503 and -603) Pull Test	04/10/1984
SB HN-195		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SB HN-197	2	en	Mandatory Inspection of Tail Rotor Blade Leading Edge Abrasion Strip Bonding	03/23/1987
SB HN-198	1	en	Mandatory Corrosion Removal and Magnetic Rubber Inspection of Main Rotor Drive Shaft I.D.	10/30/1987
SB HN-199	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SB HN-200		en	Mandatory Non-Airworthy Clutch Assemblies	03/18/1985
SB HN-201		en	Mandatory Exit Warning Decal PN 369D24043	08/07/1985
SB HN-202		en	Mandatory Removal of Seat Belt Assemblies Manufactured by the Eon Corporation	05/15/1986
SB HN-205		en	Mandatory United Instruments, Inc. Altimeters (MDHC Part No. 369D24174, 369H4505 and 369H90124)	05/20/1986
SB HN-206	1	en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H2564: and Inspection of Flexible Couplings	11/28/1986
SB HN-207		en	Cancelled Shimming of Elastomeric Tail Rotor Bearings	02/22/2000
SB HN-208	1	en	Mandatory Daily Preflight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding	09/10/1992
SB HN-209		en	Mandatory 369A8010 Engine Oil Pressure and Torque Tubing Pull Test	09/15/1987
SB HN-210		en	Mandatory Start Pump Wire Routing and Fuel Quantity Sender Inspection	09/15/1987
SB HN-211	6	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/03/2000
SB HN-212	2	en	Mandatory One-Time Inspection and Replacement of Tail Rotor Fork Bolt (369A1602)	04/21/1989
SB HN-213		en	Mandatory Replacement of 369A8442 - Basic Latch Assembly on the Particle Separator Bypass Door	12/18/1987
SB HN-214		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SB HN-215	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SB HN-216		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Coupling - 369H5660	04/05/1989
SB HN-217	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PNs 369A7007, 389A7009, 369A7011 and 369A7012)	07/21/1989
SB HN-218		en	Mandatory One-Time Inspection of 369A8352, 369H8306, 369H8025, 369H8024-5 and 369D28651 Aeroquip Hoses	06/12/1989
SB HN-219		en	Mandatory Finite Service Life Reduction of the Tail Rotor Tension Torsion Strap Pack Assembly PN 369A1706 (Basic)	06/20/1989
SB HN-220		en	Mandatory One-Time Inspection of 369A5358 Lockwasher in the Overrunning Clutch Assembly and Inspection of Engine Output Drive Splines	10/27/1989
SB HN-221		en	Mandatory Installation of Oil Flow Restricting Devices into the Engine Oil and Torque Pressure Sensing Systems	10/27/1989
SB HN-222		en	Mandatory Conversion to 369A5350-41 Overrunning Clutch Sub-Assemblies	05/04/1990
SB HN-223		en	Mandatory One-Time Replacement of Polycarbonate Cover Assemblies (369A9817)	06/15/1990
SB HN-224		en	Mandatory One-Time Replacement of Tail Rotor Blade Pitch Arm Bolt Attaching Nuts	06/15/1990
SB HN-225	1	en	Mandatory One-Time Torque Check and Inspection of Main Rotor Blades	05/15/1991
SB HN-226	1	en	Mandatory One-Time Installation of 369D24054-3 Warning Decals in the Engine Compartment Area	09/04/1990
SB HN-227		en	Mandatory Inspection of Lead-Lag Link Attach Nuts	09/04/1990
SB HN-228		en	Mandatory One-Time Inspection of 369H8407 Engine Bleed Air Tube Flexible Area	11/21/1990
SB HN-229		en	Mandatory One-Time Reinstallation of the 369A1602-3 Tail Rotor Fork Bolt	11/21/1990
SB HN-230	1	en	Mandatory Pre-Flight Check and One-Time Inspection of Tail Rotor Blades	03/01/1991
SB HN-231		en	Mandatory One-Time Rework of Main Rotor Transmission Oil Cooling Fan Mounting Bracket	02/01/1991
SB HN-232		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SB HN-233		en	Mandatory Inspection of Overrunning Clutch Outer Race	01/17/1992
SB HN-234	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SB HN-235		en	Mandatory One-Time Inspection/Rework of Engine Air Inlet Area	03/20/1992
SB HN-236		en	Mandatory Four-Way Trim Switch Replacement Program	03/10/1994
SB HN-237		en	Mandatory Firewall Fuel Fitting Modification	09/26/1994
SB HN-238		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SB HN-239		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SB NN-001		en	Mandatory Rework of Static Port	08/26/1992
SB NN-002		en	Mandatory Daily Preflight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding	09/10/1992
SB NN-003		en	Mandatory Rate Gyro Inspection and Replacement	01/25/1993
SB NN-004		en	Mandatory Pilot Preflight Check of Actuator and Replacement of S.A.S. Actuator	05/28/1993
SB NN-005		en	Mandatory Four-Way Trim Switch Replacement Program	03/10/1994
SB NN-006		en	Mandatory Inspection of Tailboom Decal	04/10/1994
SB NN-007		en	Mandatory Firewall Fuel Fitting Modification	09/26/1994
SB NN-008		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SB NN-009		en	Mandatory Main Rotor Transmission Component Inspection (369D25127-11)	01/10/1997
SB NN-010		en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SB NN-011		en	Mandatory Overrunning Clutch Inspection	07/25/1997

Service Information Letters
Name	Revision	Lang	Subject	Date
SIL DL-57		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SIL EL-5		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SIL FL-1		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SIL HL-003	1	en	Bendix Avionics Equipment Repair and Service	11/05/1973
SIL HL-006	1	en	Special Wrenches for Field Replacement of Main Rotor Pitch Bearing Studs	05/03/1971
SIL HL-011		en	Tail Rotor Swashplate - Cold Weather Operation	10/12/1971
SIL HL-012		en	Care and Feeding of Nickel-Cadmium Batteries	10/12/1971
SIL HL-013	1	en	Improved Window Glass Retention for Pilot and Passenger Door Assemblies	03/24/1972
SIL HL-014		en	Inspection of Nickel-Cadmium Batteries - FAA Airworthiness Directive Note 71-21-5	12/17/1971
SIL HL-015		en	Breeze BL-16600-11 Hoist Winch Assembly	01/10/1972
SIL HL-016		en	Allison 250 Engine - Sales and Service	02/07/1972
SIL HL-017		en	Approved Fuel for Allison 250 Series Engine	02/14/1972
SIL HL-018		en	New Cargo Hook Attach Plate	05/01/1972
SIL HL-019		en	Identification Plates - PN 369A5351 Overrunning Clutch Housing and PN 369A54350-11 Overrunning Clutch Sub-Assembly	05/22/1972
SIL HL-020		en	Shut Down Procedure - Allison Model 250-C20 Series Engine	06/26/1972
SIL HL-021	2	en	Installation of Surplus Military Parts or Salvaged Used Parts on Model 500 Helicopters	02/10/1984
SIL HL-024		en	Cold Weather Torque Adjustment - Main Rotor Damper Assembly, 369A1400, 369A1400-601, 369A1400-603	02/09/1973
SIL HL-026	1	en	Special Tools for Installation of Tail Rotor Control Rod Grommets PN WSI-B-12AS	06/22/1973
SIL HL-027		en	Corporate Name Change	03/01/1973
SIL HL-028		en	Torque Requirement for Driveshaft Coupling Retainer Bolts PN 369A5528	05/01/1973
SIL HL-029		en	Installation of Steel Washers - Driven Pulley; Belt-Driven Oil Cooler Blower Assembly	05/14/1973
SIL HL-030		en	Replacement of Boom Fairing Assembly on First Production Helicopters, SN 0001 thru 0100	07/12/1973
SIL HL-031		en	Ordering Information - Pilot's Door Assembly PN 369A2002 or 369H2025; Passenger Door Assembly PN 369H2032 or 369H2038	07/12/1973
SIL HL-032	1	en	Metal Tail Rotor Blades - Replacement for Fiberglass Tail Rotor Blade	11/05/1976
SIL HL-033		en	Breeze BL-16600-11 Hoist Winch Assembly - Improper Cable Cutter Installation	02/18/1974
SIL HL-034		en	Discussion of Hughes Serial Numbering Method	05/31/1974
SIL HL-035		en	Engine Inlet, Air Particle Separator Filter Installation PN 369H90148 Optional Installation Availability	07/01/1974
SIL HL-036		en	Inflatable Floats - Service, Maintenance and Repair Facilities	08/05/1974
SIL HL-037		en	Extreme Turbine Outlet Temperature Effects on Turbines	08/28/1974
SIL HL-038		en	Modification Kit Availably - Torquemeter Bleed Valve PN M50043 and Static Pressure Tube Bleed Valve PN M50439	05/05/1975
SIL HL-039	3	en	Main Transmission PN 369A5100-709 Upgraded Transmission - Factory Availability for Overhaul	07/26/1976
SIL HL-040		en	Interchangeability of Tabbed Main Rotor Blades (PN 369A1100-501) with Untabbed Main Rotor Blades (369A1100-501)	07/21/1975
SIL HL-041		en	New Conical Type Teeter Bearings for Tail Rotor Assembly	08/11/1975
SIL HL-042		en	Recharging of Inflation Bottles for Emergency Floats	11/07/1975
SIL HL-043		en	Interim Revision of HMI Appendix C Component Overhaul Manual - Tail Rotor Drive Fork and Hub Assembly Equipped With Conial Type Teeter Bearings	08/10/1976
SIL HL-044		en	Allison Model 250-C20 Series Engine - Installation of New High Pressure Fuel Filter Assembly	08/10/1976
SIL HL-045		en	New Main Rotor Damper Assembly, PN 369A1423-501	12/24/1976
SIL HL-046		en	Periodic Inspection of Particle Separator Kit Installation; Removal of Outlet Screen During Cold Weather Operations	12/24/1976
SIL HL-047		en	Improved Engine Air Filter Assembly for Particle Separator Filter Kit	12/24/1976
SIL HL-048		en	Interim Restriction of Engine N2 Operating Speed	02/04/1977
SIL HL-049		en	Cancelled Power Turbine (N2) Rub or Lockup in 250-C20 Engine	02/04/1977
SIL HL-050		en	New Oil Level Requirement for Initial Installation of Overrunning Clutch, PN 369A5350 Series	03/20/1977
SIL HL-051		en	New PN 369A1100-503 - Main Rotor Blade Assembly With Leading Edge Abrasion Strip	08/08/1977
SIL HL-052		en	Restriction of N2 Operating Speed	06/22/1977
SIL HL-053		en	Replacement of PN 369A1613-3 - Metal Tail Rotor Blade Assemblies	07/22/1977
SIL HL-054		en	Unlimited Service Life PN 369A7010 One-Way Unilock and PN 369A5408 and 369A5408-3 Tail Rotor Output Shafts	07/22/1977
SIL HL-055		en	Unitization of Engine Air Particle Separator and Engine Compressor Water Wash Kits	02/14/1978
SIL HL-088		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984

Service Information Notices
Name	Revision	Lang	Subject	Date
SIN DN-9	1	en	Overrunning Clutch Assembly, PN 369A5350-603 - Inspection of PN 369A5350-11 Clutch Subassembly, PN 369A5361 Ball Bearing, and PN 369A5368 Seal	05/01/1978
SIN DN-27	1	en	Inspection and Rework of Tail Rotor Hub, PN 369A1725-5 and 369A1725-501; Inspection of Tail Rotor Blade Attachment Bolts; PN MS21250-06040	12/08/1978
SIN DN-37		en	PN 369D21800 Tail Rotor Pitch Control Assembly - Seating of Dual Bearing Inner Races: Torque Increase for PN 369D21803-3 Locknut	12/01/1978
SIN DN-51	4	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	06/15/1990
SIN DN-51	6	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/27/1993
SIN DN-87		en	Replacement of PN 369A7706-3 RPM Governor Lever Control Rod	05/15/1981
SIN DN-95		en	Installation of Failsafe Device at Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564; Check of Flexible Coupling	08/07/1981
SIN DN-99		en	Periodic Inspection of Main Rotor Drive Shaft, PN 369D25510	11/30/1981
SIN DN-105		en	Inspection of Main Transmission Output Shaft Assembly (Ring Gear Carrier) PN 369D25132	05/26/1982
SIN DN-125		en	Main Rotor Swashplate Bearing, PN 369A7003-3, Inspection and Possible Replacement	12/23/1983
SIN DN-129		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SIN DN-132	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SIN DN-143		en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H92564: and Inspection of Flexible Couplings	08/26/1986
SIN DN-147		en	One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	04/23/1987
SIN DN-148	1	en	Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (P/N 369D25132-BSC or -5)	10/30/1987
SIN DN-151		en	Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SIN DN-154		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SIN DN-156	1	en	Mandatory Overrunning Clutch Outer Race Inspection	10/14/1988
SIN DN-156	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SIN DN-157		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Couplings - 369H5660	04/05/1989
SIN DN-158	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PN's 369A7007, 369A7009, 369A7011 and 369A7012)	07/21/1989
SIN DN-166	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of All MS21250-04036 Bolts in Main Transmission	03/14/1990
SIN DN-167		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SIN DN-179		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SIN DN-181		en	Mandatory Inspection/Rework of Fuel Vent System	01/17/1992
SIN DN-181	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SIN DN-187		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SIN DN-188		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SIN DN-190		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SIN EN-031		en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H92564: and Inspection of Flexible Couplings	08/26/1986
SIN EN-4		en	Mandatory Periodic Inspection of Main Rotor Drive Shaft, P/N 369D25510	04/29/1983
SIN EN-12		en	Mandatory Main Rotor Swashplate Bearing, PN 369A7003-3, Inspection and Possible Replacement	12/23/1983
SIN EN-13		en	Mandatory Inspection, PN 369A7011 Longitudinal Mixer Control Rod; Replacement of PN 369D22509-51 Doubler with 369DSK169-3 Repair Doubler	03/26/1984
SIN EN-18		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SIN EN-21	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SIN EN-35		en	One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	04/23/1987
SIN EN-36	1	en	Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (P/N 369D25132-BSC or -5)	10/30/1987
SIN EN-39		en	Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SIN EN-42	2	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	06/15/1990
SIN EN-42	4	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/27/1993
SIN EN-44		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SIN EN-46	1	en	Mandatory Overrunning Clutch Outer Race Inspection	10/14/1988
SIN EN-46	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SIN EN-47		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Couplings - 369H5660	04/05/1989
SIN EN-48	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PN's 369A7007, 369A7009, 369A7011 and 369A7012)	07/21/1989
SIN EN-57	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of All MS21250-04036 Bolts in Main Transmission	03/14/1990
SIN EN-58		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SIN EN-70		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SIN EN-73		en	Mandatory Inspection/Rework of Fuel Vent System	01/17/1992
SIN EN-73	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SIN EN-80		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SIN EN-81		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SIN EN-83		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SIN FN-4		en	Mandatory Periodic Inspection of Main Rotor Drive Shaft, PN 369D25510	07/29/1983
SIN FN-9	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SIN FN-24		en	One-Time Inspection of Main Transmission Tail Rotor Output Drive Pinion Shaft (P/N 369D25125-BSC and 369D25125-11)	04/23/1987
SIN FN-25	1	en	Inspection of Main Transmission Output Shaft Assembly Ring Gear Carrier (P/N 369D25132-BSC or -5)	10/30/1987
SIN FN-28		en	Inspection of Tail Rotor Transmission Mounting Studs	10/10/1987
SIN FN-31	2	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	06/15/1990
SIN FN-31	4	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/27/1993
SIN FN-33		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SIN FN-34	1	en	Mandatory Overrunning Clutch Outer Race Inspection	10/14/1988
SIN FN-34	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SIN FN-35		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Couplings - 369H5660	04/05/1989
SIN FN-36	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PN's 369A7007, 369A7009, 369A7011 and 369A7012)	07/21/1989
SIN FN-45	1	en	Mandatory One-Time Inspection and Replacement of Air Industries MS21250-04036 Bolts and Verification of Proper Installation of All MS21250-04036 Bolts in Main Transmission	03/14/1990
SIN FN-46		en	Mandatory One-Time Check/Periodic Inspection/Replacement of Tail Rotor Swashplate Bearing Set	03/14/1990
SIN FN-57		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SIN FN-60		en	Mandatory Inspection/Rework of Fuel Vent System	01/17/1992
SIN FN-60	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SIN FN-66		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SIN FN-67		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SIN FN-70		en	Mandatory Overrunning Clutch Inspection	07/25/1997
SIN HN-055		en	Valve Housing Modification - Heat Control Valve Assembly, Cabin Heating System Kit Installation	03/01/1973
SIN HN-056		en	Main Transmission Assembly PN 369A5100 Series (Includes Basic and All Dash-Numbered Configurations) - Installation of New Ring Gear Bolts and Serial Number Identification	03/06/1973
SIN HN-057		en	Engine Anti-Icing and Cabin Heating System Installations - Conversion from Electrical to Manual Operation	05/01/1973
SIN HN-058		en	Installation of SCR Assembly - Auto-Re-ignition Modification Kit PN M50036	05/29/1973
SIN HN-061		en	Periodic Inspection - Main Transmission Ring Gear Bolts PN 369A5174 or 369A5145	07/31/1973
SIN HN-062		en	Installation of Nickel-Cadmium Battery Temperature Sensing Modification Kit PN M50037 or M50038	08/06/1973
SIN HN-064		en	Sealing - Skid Mounted Position Lights P/N 369H4534-21 and -22	03/03/1974
SIN HN-065		en	Replacement Metal Tail Rotor Blade PN 369A1613-3 - Compatibility Criteria	03/04/1974
SIN HN-066		en	Inspection of PN 369A2515-3 Frame and Battery	03/25/1974
SIN HN-067		en	Corrosion Prevention/Inspection - Main Rotor Blade PN 369A1100-501	04/15/1974
SIN HN-068		en	Terminal - Inspection/Modification - Nickel-Cadmium Battery PN 369A4530 and 369H4540	04/15/1974
SIN HN-069		en	Installation of Heater System Muffler Assembly	06/10/1974
SIN HN-070		en	Installation - Fuel Shutoff Valve Control PN 369A8136-503 or -701	08/05/1974
SIN HN-071		en	Noise Filter Installation - Modification Kit PN M50039	08/05/1974
SIN HN-072		en	Emergency Release Mechanism, Modification (M50041) - Cargo Hook Kit Installation (369H90065)	08/05/1974
SIN HN-073		en	Inspection - Main Rotor Blade Trailing Edge	08/19/1974
SIN HN-074	2	en	Installation of Aluminum Type Main Rotor Blade Pendulum Weight Vibration Absorber Assembly PN 369N2697	09/29/1975
SIN HN-075		en	Rework or Replacement - Fuel Cell Assemblies, PN 369H8101-3/-5 and 369A8102-3/-5	08/19/1974
SIN HN-077		en	Relocation - Magnetic Compass PN 369H4508	09/30/1974
SIN HN-079		en	Re-greasing Double Row Bearing - Main Rotor Swashplate Bearing Assembly PN 369A7003-3	09/24/1982
SIN HN-080		en	Bendix Service Bulletin No. 109, Dated 10-22-74 Inspection, Flexible Coupling Locknut	11/18/1974
SIN HN-081		en	Modification - Fuel Cell Vent System Installation (Modification Kit PN M50042)	01/02/1975
SIN HN-082	1	en	Inspection/Repair, Aft Fuselage Skin Cracks	09/26/1975
SIN HN-083		en	Inspection - Root Fitting of Metal Tail Rotor Blades PN 369A1613-Basic and -3	04/15/1975
SIN HN-084		en	Inspection - Hinges PN 369A8437; Engine Air Filter Bypass Door	05/05/1975
SIN HN-085	1	en	Relocation - Fuel Filter Pressure Switch PN 369H8144	06/20/1975
SIN HN-086		en	Tail Rotor Drive System Inspection - Installation of Tail Rotor Drive Shaft PN 369A5518-601 and Bungee Assembly Associated With Metal Tail Rotor Blades and Indexing of all Helicopter Tail Rotor Drive Shafts	04/28/1975
SIN HN-087		en	Inspection and Relocation of Fuel Filter Pressure Switch PN 369H8144	06/23/1975
SIN HN-088		en	Inspection - Fiberglass Tail Rotor Blades PN 369A1710-Basic, -9, -11 369A6120, 369A1607 & 369CSK22	08/28/1975
SIN HN-089		en	Modification - Tank Unit Fuel Quantity Rheostat, PN 369A4245-501 (Kit No. M50047)	11/07/1975
SIN HN-090		en	Field Modification - Door Latch Kit PN M50440	12/11/1975
SIN HN-091		en	Mandatory Modification for Seating and Belts for (4) Kit Installation, PN 369H90035-501 Additional of Head and Back Restraint Panels	01/23/1976
SIN HN-092		en	Field Maintenance - Main Rotor Damper Assembly PN 369A1400-603 to -605 Configuration	03/01/1976
SIN HN-093		en	Operational Check and Adjustment of Autolatching Mechanism - Pilot and Cargo Doors	03/11/1976
SIN HN-094		en	Removal of Inboard Tab - Main Rotor Blade, PN 369A1100-501	04/01/1976
SIN HN-8		en	Inspection and Possible Retirement - Main Rotor Blades, P/N 369A1100-501	11/19/1969
SIN HN-114		en	Mandatory Replacement of Tavco PN 23111357 Solenoid Valve, Inflation Float System - Emergency Float Assemblies, Hughes PN 369H92036-1 and 369H92036-2	04/15/1977
SIN HN-128	1	en	Mandatory Inspection and Rework of Tail Rotor Hub, PN 369A1725 and 369A1725-5; Inspection of Tail Rotor Blade Attachment Bolts, PN MS21250-06040	12/08/1978
SIN HN-137		en	Replacement of Radio Transmit/Intercom Trigger Switch; Rework of Cyclic Pitch Stick Grip Assembly	05/10/1979
SIN HN-139		en	Mandatory Inspection and Repair - Tail Control Station 142.00 Bellcrank Support, PN 369A3035-11 and 369A3035-15	06/11/1979
SIN HN-140		en	Mandatory PN 369A1100-501 and 369A1100-503 Main Rotor Blades - Inspection of PN 369A1113 Upper Root Fitting and PN 369A1114 Lower Root Fitting Assemblies; Inspection of PN 369H1203 or 369A1203 Series Main Rotor Hub Lead-Lag Link Assemblies	07/06/1979
SIN HN-141	1	en	Installation of Voltage Transient Suppressors	11/26/1979
SIN HN-143		en	Rework of Ground Handling Wheel Assemblies (Float Type)	08/20/1979
SIN HN-144		en	Mandatory Kit Installation, PN 369D290140 - Auxiliary Fairing and Seals Air Filter (Particle Separator)	07/23/1979
SIN HN-145	2	en	Mandatory 100-Hour Periodic Inspection - Fuel Tank Sending Unit and Fuel Low Warning Light Indicating System	05/04/1981
SIN HN-146		en	Mandatory Inspection - Collective Torque Tube Support Bracket (PN 369A7304 Magnesium, PN 369H2608 Aluminum) and Collective Bungee Support Bracket (PN 369A7339 Magnesium, PN 369N2650 Aluminum)	08/01/1979
SIN HN-169		en	Mandatory Replacement of PN 369A7706-3 RPM Governor Lever Control Rod	05/15/1981
SIN HN-173		en	Mandatory - Deactivation of Main Rotor Brake System (if Installed); Periodic Inspection of Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564 - Installation of Failsafe Device at Tail Rotor Drive Shaft Forward Flexible Coupling, PN 369A5501 or PN 369H92564; Check of Flexible Couplings	11/02/1981
SIN HN-191		en	Mandatory Main Rotor Swashplate Bearing Inspection and Possible Replacement	12/23/1983
SIN HN-195		en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	08/27/1984
SIN HN-196		en	Mandatory Inspection - Landing Gear Struts and Feet	10/01/1984
SIN HN-199	1	en	Mandatory Riveting Tip-Cap to Tail Rotor Blade	05/01/1985
SIN HN-206		en	Mandatory Installation of Failsafe Device at Tail Rotor Drive Shaft Aft Flexible Coupling, P/N 369A5501 or 369H2564: and Inspection of Flexible Couplings	08/26/1986
SIN HN-211	2	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	06/15/1990
SIN HN-211	4	en	Mandatory Inspection of Main Rotor Blade Root Fitting Assemblies; Inspection of Main Rotor Hub Lead-Lag Link Assemblies	01/27/1993
SIN HN-214		en	Mandatory Main Rotor Hub Assembly Strap Pack Lamination Inspection and Tri-Flow Wash Procedure of the Main Rotor Hub Assembly and Strap Pack Laminates	01/15/1988
SIN HN-215	1	en	Mandatory Overrunning Clutch Outer Race Inspection	10/14/1988
SIN HN-215	2	en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SIN HN-216		en	Mandatory One-Time Inspection of the Engine to Transmission Driveshaft Couplings - 369H5660	04/05/1989
SIN HN-217	1	en	Mandatory Inspection and Rework of Main and Tail Rotor Control Tubes (PN's 369A7007, 369A7009, 369A7011 and 369A7012)	07/21/1989
SIN HN-232		en	Mandatory One-Time Addition of Rivets to Tail Rotor Abrasion Strip	09/27/1991
SIN HN-234		en	Mandatory Inspection/Rework of Fuel Vent System	01/17/1992
SIN HN-234	1	en	Mandatory Inspection/Rework of Fuel Vent System	09/10/1992
SIN HN-238		en	Mandatory Tail Rotor Blade Abrasion Strip Modification	10/26/1994
SIN HN-239		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SIN NN-008		en	Mandatory Main Rotor Blade Root End Inspection	10/27/1995
SIN NN-010		en	Mandatory Overrunning Clutch Outer Race Inspection	04/11/1997
SIN NN-011		en	Mandatory Overrunning Clutch Inspection	07/25/1997

Service Letters
Name	Revision	Lang	Subject	Date
SL 369D-087	3	en	Customer Requests for Original Aircraft Records	11/10/2004
SL 369D-100	3	en	Maintenance and Operation Requirements for Safe Operation of Surplus 369A (OH-6A) Series Helicopters	11/10/2004
SL 369D-108		en	Service Notice, Letter and Bulletin Designations	02/13/1998
SL 369D-109		en	Interchangeability of Main Rotor Blades	10/19/1998
SL 369D-111	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 369D-112		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 369D-113		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 369D-114		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 369D-115	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 369D-116		en	New Standard Warranty Statement	03/02/2001
SL 369D-117		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 369D-118		en	Certain Helicopters Not Eligible for FAA Certificate of Airworthiness	03/31/2004
SL 369D-119		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 369D-120		en	Technical Publications Price Increase	05/28/2010
SL 369D-121		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 369D-122		en	Technical Publications Price Increase	12/22/2010
SL 369D-123		en	Engine Power Out Warning Control Unit - Filter Installation	07/20/2011
SL 369D-124		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 369D-125		en	Technical Publications On-Line Ordering System	07/08/2013
SL 369D-126		en	Procedures for Service and Operations Reports	08/09/2013
SL 369D-127		en	Inspection of the Engine Exhaust Tail Pipes	07/11/2014
SL 369D-128		en	Inspection of the Tail Rotor Stop	08/12/2014
SL 369D-129		en	Tail-Rotor Transmission 369D25400 Series Run-in Instructions	11/14/2014
SL 369D-130		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 369D-131		en	Inspections of Main Rotor Blades	02/25/2016
SL 369E-038	3	en	Customer Requests for Original Aircraft Records	11/10/2004
SL 369E-051	3	en	Maintenance and Operation Requirements for Safe Operation of Surplus 369A (OH-6A) Series Helicopters	11/10/2004
SL 369E-060		en	Service Notice, Letter and Bulletin Designations	02/13/1998
SL 369E-061		en	Interchangeability of Main Rotor Blades	10/19/1998
SL 369E-063	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 369E-064		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 369E-065		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 369E-066		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 369E-067	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 369E-068		en	New Standard Warranty Statement	03/02/2001
SL 369E-069		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 369E-070		en	Certain Helicopters Not Eligible for FAA Certificate of Airworthiness	03/31/2004
SL 369E-071		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 369E-072		en	Technical Publications Price Increase	05/28/2010
SL 369E-073		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 369E-074		en	Technical Publications Price Increase	12/22/2010
SL 369E-075		en	Engine Power Out Warning Control Unit - Filter Installation	07/20/2011
SL 369E-076		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 369E-077		en	Technical Publications On-Line Ordering System	07/08/2013
SL 369E-078		en	Procedures for Service and Operations Reports	08/09/2013
SL 369E-079		en	Inspection of United Instruments Products	09/27/2013
SL 369E-080		en	Inspection of the Engine Exhaust Tail Pipes	07/11/2014
SL 369E-081		en	Inspection of the Tail Rotor Stop	08/12/2014
SL 369E-082		en	Tail-Rotor Transmission 369D25400 Series Run-in Instructions	11/14/2014
SL 369E-083		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 369E-084		en	Inspections of Main Rotor Blades	02/25/2016
SL 369F-031	3	en	Customer Requests for Original Aircraft Records	11/10/2004
SL 369F-045	2	en	Maintenance and Operation Requirements for Safe Operation of Surplus 369A (OH-6A) Series Helicopters	11/10/2004
SL 369F-053		en	Service Notice, Letter and Bulletin Designations	02/13/1998
SL 369F-054		en	Interchangeability of Main Rotor Blades	10/19/1998
SL 369F-056	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 369F-057		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 369F-058		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 369F-059		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 369F-060	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 369F-061		en	New Standard Warranty Statement	03/02/2001
SL 369F-062		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 369F-063		en	Certain Helicopters Not Eligible for FAA Certificate of Airworthiness	03/31/2004
SL 369F-064		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 369F-065		en	Technical Publications Price Increase	05/28/2010
SL 369F-066		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 369F-067		en	Technical Publications Price Increase	12/22/2010
SL 369F-068		en	Engine Power Out Warning Control Unit - Filter Installation	07/20/2011
SL 369F-069		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 369F-070		en	Technical Publications On-Line Ordering System	07/08/2013
SL 369F-071		en	Procedures for Service and Operations Reports	08/09/2013
SL 369F-072		en	Inspection of United Instruments Products	09/27/2013
SL 369F-073		en	Inspection of the Tail Rotor Stop	08/12/2014
SL 369F-074		en	Tail-Rotor Transmission 369D25400 Series Run-in Instructions	11/14/2014
SL 369F-075		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 369F-076		en	Inspections of Main Rotor Blades	02/25/2016
SL 369H-113	3	en	Customer Requests for Original Aircraft Records	11/10/2004
SL 369H-124	3	en	Maintenance and Operation Requirements for Safe Operation of Surplus 369A (OH-6A) Series Helicopters	11/10/2004
SL 369H-131		en	Service Notice, Letter and Bulletin Designations	02/13/1998
SL 369H-132	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 369H-133		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 369H-134		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 369H-135		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 369H-136	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 369H-137		en	New Standard Warranty Statement	03/02/2001
SL 369H-138		en	4-Bladed Main Rotor Hub Overhauls and Repairs	02/26/2002
SL 369H-139		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 369H-140		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 369H-141		en	Technical Publications Price Increase	05/28/2010
SL 369H-142		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 369H-143		en	Technical Publications Price Increase	12/22/2010
SL 369H-144		en	Engine Power Out Warning Control Unit - Filter Installation	07/20/2011
SL 369H-145		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 369H-146		en	Technical Publications On-Line Ordering System	07/08/2013
SL 369H-147		en	Procedures for Service and Operations Reports	08/09/2013
SL 369H-148		en	Inspection of the Tail Rotor Stop	08/12/2014
SL 369H-149		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 500N-005		en	Service Notice, Letter and Bulletin Designations	02/03/1998
SL 500N-006		en	Interchangeability of Main Rotor Blades	10/19/1998
SL 500N-008	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 500N-009		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 500N-010		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 500N-011		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 500N-012	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 500N-013		en	Notar Fan Diffuser Interchangeability	11/09/2000
SL 500N-014		en	New Standard Warranty Statement	03/02/2001
SL 500N-015		en	Fan Control Tube Vibration	07/22/2002
SL 500N-016		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 500N-017		en	Thruster Control Cables	02/13/2007
SL 500N-018		en	Notar Fan Tension-Torsion Strap Replacement	12/27/2007
SL 500N-019		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 500N-020		en	Technical Publications Price Increase	05/28/2010
SL 500N-021		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 500N-022		en	Technical Publications Price Increase	12/22/2010
SL 500N-023		en	Engine Power Out Warning Control Unit - Filter Installation	07/20/2011
SL 500N-024		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 500N-025		en	Technical Publications On-Line Ordering System	07/08/2013
SL 500N-026		en	Aft Ring Frame and Tailboom Attachment Inspection	07/24/2013
SL 500N-027		en	Procedures for Service and Operations Reports	08/09/2013
SL 500N-028		en	Inspection of the Engine Exhaust Tail Pipes	07/11/2014
SL 500N-029		en	Inspection of the Cable Hoist Vne Card	11/19/2014
SL 500N-030		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 500N-031		en	Inspections of Main Rotor Blades	02/25/2016
SL 600N-001		en	Service Notice, Letter and Bulletin Designations	02/13/1998
SL 600N-002		en	Collective Controls Replacement	04/14/1998
SL 600N-004		en	Interchangeability of Main Rotor Blades	10/19/1998
SL 600N-005	1	en	MD Helicopters Model 369/500N/600N Torque Event/Retirement Index Number Explanation	05/15/2001
SL 600N-006		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 600N-007		en	Required Inspections and Critical Inspection Areas	08/16/1999
SL 600N-008		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 600N-009	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 600N-010		en	New Standard Warranty Statement	03/02/2001
SL 600N-011		en	Fan Control Tube Vibration	07/22/2002
SL 600N-012		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 600N-013		en	Thruster Control Cables	02/13/2007
SL 600N-014		en	Notar Fan Tension-Torsion Strap Replacement	12/27/2007
SL 600N-015		en	Fuselage Aft Section and Tailboom Modification	04/16/2008
SL 600N-016		en	Yearly Fuel Transfer System Functional Check	05/06/2010
SL 600N-017		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 600N-018		en	Technical Publications Price Increase	05/28/2010
SL 600N-019		en	Kamatics Shaft and Coupling Overhaul/Exchange Program Announcement	12/22/2010
SL 600N-020		en	Technical Publications Price Increase	12/22/2010
SL 600N-021		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 600N-022		en	Technical Publications On-Line Ordering System	07/08/2013
SL 600N-023		en	Procedures for Service and Operations Reports	08/09/2013
SL 600N-024		en	Inspection of the Engine Exhaust Pipe Support Fitting	10/27/2015
SL 600N-025		en	Inspections of Main Rotor Blades	02/25/2016
SL 900-002	1	en	P&WC Powerplant Publications Availability, Requirements and Distribution Information	06/22/2000
SL 900-003		en	Maximum Up Flapping and Cyclic Deflection of Main Rotor Flexbeam During Ground Handling, Maintenance, and Pre-Flight Operations	05/15/1995
SL 900-005		en	Improved Rig Pin Access Fod Covers	11/11/1995
SL 900-006		en	Pedal Return Springs	11/11/1995
SL 900-007		en	Aircraft Modification Limitations and STC Installations	09/22/1995
SL 900-009		en	MD 900 Directional Control Inputs	12/06/1995
SL 900-010		en	Integrated Instrumentation Display System (IIDS) - CMA2055	01/19/1996
SL 900-011		en	Cockpit Door Latching Mechanism Modification Instructions	04/05/1996
SL 900-013	1	en	Use of Alternate Floor Panel Hardware	03/21/1997
SL 900-014		en	Trim Actuator Assembly Replacement for Autopilot Option	05/21/1996
SL 900-015		en	Transmission Access Doors and Battery Door Fastener Upgrade (Ref CR#110679)	07/08/1996
SL 900-016		en	Secondary Oil Ejector Modification	08/14/1996
SL 900-018		en	Pedal Friction Hardware Option	12/18/1996
SL 900-019		en	Station 203 Forward Ground Handling Wheel Location	12/20/1996
SL 900-020	1	en	Hoist Inspection Hole Installation	01/03/1997
SL 900-021	1	en	Cabin Seat - 4 Point Restraint System Option	01/03/1997
SL 900-021	2	en	Cabin Seat - 4 Point Restraint System Option	11/09/2009
SL 900-024		en	Baggage Door Window Installation	01/03/1997
SL 900-025	1	en	Cabin Door Handle Installation	01/23/1998
SL 900-029		en	Baggage Compartment Closeout Panel Installation for Utility Interiors (Noise Reduction)	03/17/1997
SL 900-032		en	Strobe Light Circuit Breaker	05/05/1997
SL 900-033		en	Aft Jack Pad Access Hole	05/14/1997
SL 900-035		en	Vent System Air Duct/Additional Air Outlets Installation	06/26/1997
SL 900-036	1	en	Electronic Engine Control (EEC) P&WC S.B. 28111	03/10/2000
SL 900-038		en	Service Letter and Bulletin Designations	02/13/1998
SL 900-040		en	Structural Load Limits of MD900 Fuselage Handles	10/13/1998
SL 900-041		en	Transfer of Ownership of Light Helicopter Line	02/19/1999
SL 900-042	1	en	Integrated Instrumentation Display System (IIDS)	01/14/2002
SL 900-043		en	Availability of Federal Aviation Administration Airworthiness Directives Affecting MD Helicopters	05/23/2000
SL 900-044	1	en	Availability of Federal Aviation Administration Supplemental Type Certificates for MD Helicopters	06/26/2000
SL 900-045		en	Anti-Torque Fan Inlet Screen	06/29/2000
SL 900-047		en	New Standard Warranty Statement	03/02/2001
SL 900-048		en	Availability of New Engine Alignment Tool	09/17/2002
SL 900-049		en	Prolonging the Life of the Integrated Instrument Display System (IIDS)	12/10/2002
SL 900-050		en	Integrated Instrumentation Display System (IIDS) Mod 3	03/21/2003
SL 900-051		en	Availability of MDHI Publications in Electronic Format	09/17/2003
SL 900-052		en	Calculation of One Engine Inoperative (OEI) Excursions Cumulative Log Time for 900A3720002-1 13 and 900A3720002-121 IIDS	03/29/2005
SL 900-053		en	Anti-Torque Control Pedal Separation	09/13/2005
SL 900-054		en	Main Rotor Hub Fretting Buffer and O-Ring Packing	02/06/2008
SL 900-055		en	Thruster Control Cables	03/13/2007
SL 900-056		en	Main Rotor Blade Retention Bolt Check	06/19/2007
SL 900-057		en	Collective Control Position Transducer Linkage	11/30/2007
SL 900-058		en	Notar Fan Tension-Torsion Strap Replacement	12/27/2007
SL 900-059		en	Honeywell EFIS IFR STC (SR00436WI-D)	01/04/2008
SL 900-060		en	Better Transmission Oil Hoses	03/31/2008
SL 900-060	1	en	Better Transmission Oil Hoses	06/20/2008
SL 900-061		en	IIDS Maximum Number Limits	02/13/2009
SL 900-063		en	Main Rotor Blade Retention Bolt Check	06/24/2009
SL 900-064		en	Main Rotor Blade Retention Bolt	07/29/2009
SL 900-065		en	Installation of Engine Ground Studs	08/26/2009
SL 900-065	1	en	Installation of Engine Ground Studs	10/15/2010
SL 900-065	2	en	Installation of Engine Ground Studs	04/07/2011
SL 900-066		en	Main Rotor Drive Plate O-Ring Packing	10/27/2009
SL 900-067		en	Landing Gear Damper Assembly and Sealing Compound	11/09/2009
SL 900-068		en	Thruster Assembly Washer Modification	01/14/2010
SL 900-069		en	Bendix/King by Honeywell - Wingman Services: Database Downloads and EGPWS Updates	01/26/2010
SL 900-070		en	Helicopter Operation in Volcanic Ash Atmosphere	05/06/2010
SL 900-071		en	Technical Publications Price Increase	05/28/2010
SL 900-072		en	Air-Conditioning System Maintenance	07/23/2010
SL 900-073		en	Honeywell GPS Navigator	08/03/2010
SL 900-074		en	Servicing the Mast Support Base Assembly	10/15/2010
SL 900-075		en	Technical Publications Price Increase	12/22/2010
SL 900-076		en	Operation in a Corrosive Environment	04/21/2011
SL 900-077		en	Bendix King by Honeywell KRA 405B Radio Altimeter	10/14/2011
SL 900-078		en	Inspection of Goodrich Hoist Motors	03/26/2013
SL 900-079		en	Technical Publications On-Line Ordering System	07/08/2013
SL 900-080		en	Procedures for Service and Operations Reports	08/09/2013
SL 900-081		en	New Blade Retention Bolts Available	03/11/2015
SL 900-082		en	Repair for the Engine Control System Rotary Switch Knobs	03/20/2015
SL DL-007		en	Utilization of Engine Air Particle Separator and Engine Compressor Water Wash	02/14/1978
SL DL-010		en	(INSCO) Instrument Specialties Co. Inc. - Authorized Repair Stations and Official Sales and Service Facilities	05/22/1978
SL DL-019		en	Operation and Maintenance Guidelines for Model C250-C20B Engine Fuel System	08/01/1979
SL DL-021		en	New Comfort Clips for Seat Belt and Shoulder Harness Assemblies, PN 369H6541, 369H6541-21, 369H6541-23, and 369H6541-25	12/10/1979
SL DL-023	2	en	Interchangeability of PN 369D21100 Series Main Rotor Blades; PN 369D21100-513 Main Rotor Blade Now Standard Production Configuration	03/01/1984
SL DL-027		en	Compliance with FAA Airworthiness Directives and Hughes Mandatory (Red Border) Service Information Notices
SL DL-031		en	Substitution of Wet Spline Drive Starter-Generator for Existing Dry Spline Drive Starter-Generator	03/13/1981
SL DL-034		en	Ground Handling Precautions for Main Rotor Blades with Elastomeric Damper Assemblies	07/31/1981
SL DL-036		en	Tail Rotor Drive Shaft Flexible Couplings PN 369A5501 and 369H92564 - Treatment with Molykote Metal Protector	08/21/1981
SL DL-038		en	New Protective Boots for Main Rotor Hub and Tail Rotor Assemblies	09/01/1981
SL DL-040		en	Field Replacement of "0" Ring for PN 369A8321 Oil Tank Filler Cap	11/02/1981
SL DL-041	1	en	Installation of Surplus Military Parts, Salvaged or Used Parts on Model 500D Helicopters	02/10/1984
SL DL-042		en	Lubrication of Drive End Bearing Liner in Aircraft Parts Corp. Model 150SG Series Starter-Generator	03/26/1982
SL DL-049		en	Ground Testing - Engine Automatic Reignition and Engine Anti-Ice Fuel Filter Systems	11/22/1982
SL DL-050		en	Prevention of Water Leakage Through Canopy Geon Strips	01/10/1983
SL DL-052		en	New Attitude Gyro Indicator and Support Assembly	02/25/1983
SL DL-057		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SL DL-058		en	Unauthorized Tail Rotor Teeter Bearings	05/16/1984
SL DL-059		en	Major Installations and Alterations to Your Hughes Helicopters	11/12/1984
SL DL-060		en	Start Pump Wire Routing Precaution	07/10/1985
SL DL-061		en	Explanation of Parts Serialization	09/15/1985
SL DL-064		en	Unauthorized Overhaul of Main Rotor Hub Assemblies	03/17/1986
SL DL-065	3	en	Cancelled Light Helicopter Product Support Department Communications Information	05/23/2000
SL DL-066	1	en	Availability of Kamatics Corp. Kaflex Main Drive Shaft (MDHC PN 369D25515) and Tail Rotor Driveshaft Couplings (MDHC PN 369D5501-3)	08/05/1989
SL DL-067		en	Re-Lubrication of Bearings in Storage	04/06/1987
SL DL-068		en	External Scavenge Oil Filter System	05/01/1987
SL DL-070		en	Unauthorized Distribution of Main Rotor Hub Overhaul Manual	06/15/1987
SL DL-074		en	Illustrated Parts Breakdown of Ground Handling Wheel Assembly (PN 369D2610)	02/19/1988
SL DL-075		en	Improved Strength PC Filter Housing	04/04/1988
SL DL-076		en	Addition of Identification Decal on Aircraft Exterior (Compliance to FAR 45.11 [D])	05/06/1988
SL DL-077		en	Availability and Distributors of Tri-Flow Lubricant/Wash	05/09/1988
SL DL-079		en	Additional Inspection Requirements of the Breeze-Eastern Rescue Hoist System	05/18/1988
SL DL-080		en	Chafe Wrapping of Stainless Steel Tube Assemblies and Allison Commercial Service Letter CSL 145, CSL 1140 and CSL 3092, Dated May 1, 1988	05/26/1988
SL DL-081		en	Improved Fuel Drain Valve Assembly	07/01/1988
SL DL-082	2	en	Facet Scavenge Oil Filter Kits, P/N 1741050 (369H Series, 369D and 369E) and P/N 1741300 (369F/FF)	11/21/1990
SL DL-084		en	Validity of Spectrum Oil Analysis Program (S.O.A.P.)	01/15/1989
SL DL-086	1	en	New MDHC Authorized Helicopter Airframe Repair Facilities	09/15/1989
SL DL-088	1	en	Special Warranty Consideration for the Main Rotor Hub Strap Pack Inspection	09/15/1989
SL DL-090		en	Availability of Main Rotor Transmission Filler Cap Extension (MDHC P/N 389D25112)	08/05/1989
SL DL-091		en	Availability of Wire Strike Protection System (Trademark WSPS) on all MDHC 369 Series Helicopters	09/15/1989
SL DL-092		en	Federal Investigation of Central Aviation and Marine Corporation (CAMCO)	10/27/1989
SL DL-093	1	en	Availability of Autronics Corporation Electrical Component Exchange Program	09/27/1991
SL DL-094		en	Compliance to Breeze-Eastern Customer Service Bulletin CSB-120 (Warning Plate for Cargo Hooks)	12/15/1989
SL DL-095		en	Storage Time Limitations of the Engine N2 and Rotor Tachometer Indicators (P/N 369D24518(BSC), -3 & -5)	09/01/1990
SL DL-096		en	Availability of Improved Spacers to be Used on the Shock-Mounted Skid Tube Position Light Assemblies	05/01/1991
SL DL-097		en	Main Rotor Hub Balancing	10/11/1991
SL DL-098		en	New Configuration Main Rotor Blades/Abrasion Strips	12/19/1991
SL DL-099	1	en	Policy Price of 369H8108 Fuel Vent Emergency Shutoff Valve	09/10/1992
SL DL-101		en	Main Rotor Blade Inspection Program	01/27/1993
SL DL-102		en	Antenna Location and Flight Maneuver Caution	03/22/1993
SL DL-103	2	en	Cancelled Introduction of Use of an Alternate Drive System Lubricant	11/10/2000
SL DL-104		en	Compliance to Service Information Notices DN-185, EN-78 and FN-64, Dated 23 September 1994 and FAA Airworthiness Directive 94-24-04	12/21/1994
SL DL-105		en	Tail Rotor Abrasion Strip Warranty Policy/Compensation	05/10/1995
SL DL-106		en	Alternate/Improved Engine Oil Tank Seal	07/01/1997
SL EL-005		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SL EL-007		en	Installation of Surplus Military Parts, Salvaged or Used Parts on Model 500E Helicopters	02/10/1984
SL EL-009		en	Unauthorized Tail Rotor Teeter Bearings	05/16/1984
SL EL-010		en	Major Installations and Alterations to Your Hughes Helicopters	11/12/1984
SL EL-011		en	Start Pump Wire Routing Precaution	07/10/1985
SL EL-012		en	Explanation of Parts Serialization	09/15/1985
SL EL-014		en	Unauthorized Overhaul of Main Rotor Hub Assemblies	03/17/1986
SL EL-016	3	en	Cancelled Light Helicopter Product Support Department Communications Information	05/23/2000
SL EL-017	1	en	Availability of Kamatics Corp. Kaflex Main Drive Shaft (MDHC PN 369D25515) and Tail Rotor Driveshaft Couplings (MDHC PN 369D5501-3)	08/05/1989
SL EL-018		en	Re-Lubrication of Bearings in Storage	04/06/1987
SL EL-019		en	External Scavenge Oil Filter System	05/01/1987
SL EL-021		en	Unauthorized Distribution of Main Rotor Hub Overhaul Manual	06/15/1987
SL EL-025		en	Illustrated Parts Breakdown of Ground Handling Wheel Assembly (PN 369D2610)	02/19/1988
SL EL-026		en	Improved Strength PC Filter Housing	04/04/1988
SL EL-027		en	Addition of Identification Decal on Aircraft Exterior (Compliance to FAR 45.11 [D])	05/06/1988
SL EL-028		en	Availability and Distributors of Tri-Flow Lubricant/Wash	05/09/1988
SL EL-030		en	Chafe Wrapping of Stainless Steel Tube Assemblies and Allison Commercial Service Letter CSL 145, CSL 1140 and CSL 3092, Dated May 1, 1988	05/26/1988
SL EL-031		en	Improved Fuel Drain Valve Assembly	07/01/1988
SL EL-033	2	en	Facet Scavenge Oil Filter Kits, P/N 1741050 (369H Series, 369D and 369E) and P/N 1741300 (369F/FF)	11/21/1990
SL EL-035		en	Validity of Spectrum Oil Analysis Program (S.O.A.P.)	01/15/1989
SL EL-037	1	en	New MDHC Authorized Helicopter Airframe Repair Facilities	09/15/1989
SL EL-039	1	en	Special Warranty Consideration for the Main Rotor Hub Strap Pack Inspection	09/15/1989
SL EL-041		en	Availability of Main Rotor Transmission Filler Cap Extension (MDHC P/N 389D25112)	08/05/1989
SL EL-042		en	Availability of Wire Strike Protection System (Trademark WSPS) on all MDHC 369 Series Helicopters	09/15/1989
SL EL-043		en	Federal Investigation of Central Aviation and Marine Corporation (CAMCO)	10/27/1989
SL EL-044	1	en	Availability of Autronics Corporation Electrical Component Exchange Program	09/27/1991
SL EL-045		en	Compliance to Breeze-Eastern Customer Service Bulletin CSB-120 (Warning Plate for Cargo Hooks)	12/15/1989
SL EL-046		en	Storage Time Limitations of the Engine N2 and Rotor Tachometer Indicators (P/N 369D24518(BSC), -3 & -5)	09/01/1990
SL EL-047		en	Availability of Improved Spacers to be Used on the Shock-Mounted Skid Tube Position Light Assemblies	05/01/1991
SL EL-048		en	Main Rotor Hub Balancing	10/11/1991
SL EL-049		en	New Configuration Main Rotor Blades/Abrasion Strips	12/19/1991
SL EL-050	1	en	Policy Price of 369H8108 Fuel Vent Emergency Shutoff Valve	09/10/1992
SL EL-052		en	Main Rotor Blade Inspection Program	01/27/1993
SL EL-053		en	Antenna Location and Flight Maneuver Caution	03/22/1993
SL EL-054	2	en	Cancelled Introduction of Use of an Alternate Drive System Lubricant	11/10/2000
SL EL-055		en	Compliance to Service Information Notices DN-185, EN-78 and FN-64, Dated 23 September 1994 and FAA Airworthiness Directive 94-24-04	12/21/1994
SL EL-057		en	Tail Rotor Abrasion Strip Warranty Policy/Compensation	05/10/1995
SL EL-058		en	Alternate/Improved Engine Oil Tank Seal	07/01/1997
SL FL-001		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SL FL-002		en	Major Installations and Alterations to Your Hughes Helicopters	11/12/1984
SL FL-004		en	Tri-Flow Wash Procedure - Main Rotor Hub	03/01/1985
SL FL-005		en	Explanation of Parts Serialization	09/15/1985
SL FL-006		en	Unauthorized Overhaul of Main Rotor Hub Assemblies	03/17/1986
SL FL-007	3	en	Cancelled Light Helicopter Product Support Department Communications Information	05/23/2000
SL FL-008		en	Re-Lubrication of Bearings in Storage	04/06/1987
SL FL-009		en	External Scavenge Oil Filter System	05/01/1987
SL FL-011		en	Unauthorized Distribution of Main Rotor Hub Overhaul Manual	06/15/1987
SL FL-012	1	en	Availability of Kamatics Corp. Kaflex Main Drive Shaft (MDHC PN 369D25515) and Tail Rotor Driveshaft Couplings (MDHC PN 369D5501-3)	08/05/1989
SL FL-016		en	Illustrated Parts Breakdown of Ground Handling Wheel Assembly (PN 369D2610)	02/19/1988
SL FL-017		en	Improved Strength PC Filter Housing	04/04/1988
SL FL-018		en	Addition of Identification Decal on Aircraft Exterior (Compliance to FAR 45.11 [D])	05/06/1988
SL FL-019		en	Availability and Distributors of Tri-Flow Lubricant/Wash	05/09/1988
SL FL-022		en	Chafe Wrapping of Stainless Steel Tube Assemblies and Allison Commercial Service Letter CSL 145, CSL 1140 and CSL 3092, Dated May 1, 1988	05/26/1988
SL FL-023		en	Improved Fuel Drain Valve Assembly	07/01/1988
SL FL-028		en	Validity of Spectrum Oil Analysis Program (S.O.A.P.)	01/15/1989
SL FL-030	1	en	New MDHC Authorized Helicopter Airframe Repair Facilities	09/15/1989
SL FL-032	1	en	Special Warranty Consideration for the Main Rotor Hub Strap Pack Inspection	09/15/1989
SL FL-034		en	Availability of Main Rotor Transmission Filler Cap Extension (MDHC P/N 389D25112)	08/05/1989
SL FL-035		en	Availability of Wire Strike Protection System (Trademark WSPS) on all MDHC 369 Series Helicopters	09/15/1989
SL FL-036		en	Federal Investigation of Central Aviation and Marine Corporation (CAMCO)	10/27/1989
SL FL-037	1	en	Availability of Autronics Corporation Electrical Component Exchange Program	09/27/1991
SL FL-038		en	Compliance to Breeze-Eastern Customer Service Bulletin CSB-120 (Warning Plate for Cargo Hooks)	12/15/1989
SL FL-039		en	Storage Time Limitations of the Engine N2 and Rotor Tachometer Indicators (P/N 369D24518(BSC), -3 & -5)	09/01/1990
SL FL-040		en	Facet Scavenge Oil Filter Kits, P/N 1741050 (369H Series, 369D and 369E) and P/N 1741300 (369F/FF)	11/21/1990
SL FL-041		en	Availability of Improved Spacers to be Used on the Shock-Mounted Skid Tube Position Light Assemblies	05/01/1991
SL FL-042		en	Main Rotor Hub Balancing	10/11/1991
SL FL-043		en	New Configuration Main Rotor Blades/Abrasion Strips	12/19/1991
SL FL-044	1	en	Policy Price of 369H8108 Fuel Vent Emergency Shutoff Valve	09/10/1992
SL FL-046		en	Main Rotor Blade Inspection Program	01/27/1993
SL FL-047		en	Antenna Location and Flight Maneuver Caution	03/22/1993
SL FL-048	2	en	Cancelled Introduction of Use of an Alternate Drive System Lubricant	11/10/2000
SL FL-049		en	Compliance to Service Information Notices DN-185, EN-78 and FN-64, Dated 23 September 1994 and FAA Airworthiness Directive 94-24-04	12/21/1994
SL FL-050		en	Tail Rotor Abrasion Strip Warranty Policy/Compensation	05/10/1995
SL FL-051		en	Alternate/Improved Engine Oil Tank Seal	07/01/1997
SL HL-056		en	Transmission, Main Rotor and Tail Rotor - Oil Change and Filter Change Periods. Extended from 150 Hours to 300 Hours	02/27/1978
SL HL-057		en	Paint Schedules and Ordering Procedures	04/10/1978
SL HL-058		en	(INSCO) Instrument, Specialties Co. Inc. -- Authorized Repair Stations and Official Sales and Service Facilities	05/22/1978
SL HL-059		en	Reduction Gearbox, Model 250-C20 Engine - Time Between Overhaul (TBO) Requirements Eliminated	06/26/1978
SL HL-060		en	PN - 369A1620 Series Tail Rotor Assembly - Elimination of Overhaul Schedule (TBO) Requirement; Interchangeability of PN - 369A1725 Series Tail Rotor Hub Assembly	06/26/1978
SL HL-061		en	Particle Separator Installation and Inspection and Possible Removal of Circular Filter Screens	09/08/1978
SL HL-063		en	Approved Igniter Assemblies and Ignition Exciter Assemblies For Hughes PN - 369H90118 Series Automatic Engine Reignition Kit Installations	07/20/1979
SL HL-064		en	Operation and Maintenance Guidelines for Model 250 Series Engine Fuel System	08/01/1979
SL HL-066		en	Engine Compressor Cleaning- Daily Water Rinse and Periodic Water Wash	04/18/1980
SL HL-067		en	New Seal Requirement for Overhaul of PN 369H6340 and 369H92131 Landing Gear Damper Assemblies	05/26/1980
SL HL-069		en	Detroit Diesel Allison Commercial Service Letter CSL-1079 Re: High Pressure Fuel Filter (Ceco Fuel System)	09/12/1980
SL HL-070		en	Compliance with FAA Airworthiness Directives and Hughes Mandatory (Red Border) Service Information Notices	09/30/1980
SL HL-072		en	Substitution of Wet Spline Drive Starter-Generator for Existing Dry Spline Drive Starter-Generator	03/13/1981
SL HL-073		en	PN 369A1200 and 369H1200 Main Rotor Hub Assembly, PN 369A5100-709 Main Rotor Transmission and PN 369A5400-701 Tail Rotor Transmission - Time Between Overhaul (TBO) Increased	06/30/1981
SL HL-074		en	Corrosion Control Manual Now Available for General Distribution and Purchase	08/21/1981
SL HL-075		en	Tail Rotor Drive Shaft Flexible Couplings, PN 369A5501 and 369H92564 - Treatment with Molykote Metal Protector	08/21/1981
SL HL-076		en	New Protective Boots for Main Rotor Hub and Tail Rotor Assemblies	09/01/1981
SL HL-078		en	Field Replacement of '0' Ring for PN 369A8321 Oil Tank Filler Cap	11/02/1981
SL HL-080		en	New PN 369D28237 Cushion for Tailpipe Hanger Assembly Designed for Longer Wear	02/01/1982
SL HL-081		en	Lubrication of Drive End Bearing Liner in Aircraft Parts Corp. Model 150SG Series Starter-Generator	03/26/1982
SL HL-082		en	PN 369A7609 Series Main Rotor Swashplate Assembly - Time Between Overhaul (TBO) Increased to 2650 Hours	09/24/1982
SL HL-083		en	Distribution and Shipment of HHI 269/369 Commercial and Military Publications	11/01/1982
SL HL-084		en	Ground Testing - Engine Automatic Re-Ignition and Engine Anti-Ice Fuel Filter Systems	11/22/1982
SL HL-085		en	Prevention of Water Leakage Through Canopy Geon Strips	01/10/1983
SL HL-086		en	Handling and Shipping Gyros	02/01/1983
SL HL-087		en	New Attitude Gyro Indicator and Support Assembly	02/25/1983
SL HL-088		en	Surplus or Bogus 369D21100 Series Main Rotor Blades	02/10/1984
SL HL-089		en	Unauthorized Tail Rotor Teeter Bearings	05/16/1984
SL HL-091		en	Major Installations and Alterations to Your Hughes Helicopters	11/12/1984
SL HL-092		en	Start Pump Wire Routing Precaution	07/10/1985
SL HL-093		en	Explanation of Parts Serialization	09/15/1985
SL HL-094		en	Unauthorized Overhaul of Main Rotor Hub Assemblies	03/17/1986
SL HL-095	3	en	Cancelled Light Helicopter Product Support Department Communications Information	05/23/2000
SL HL-096	1	en	Availability of Kamatics Corp. Kaflex Main Drive Shaft (MDHC PN 369D25515) and Tail Rotor Driveshaft Couplings (MDHC PN 369D5501-3)	08/05/1989
SL HL-097		en	Re-Lubrication of Bearings in Storage	04/06/1987
SL HL-098		en	External Scavenge Oil Filter System	05/01/1987
SL HL-099		en	Unauthorized Distribution of Main Rotor Hub Overhaul Manual	06/15/1987
SL HL-100		en	Illustrated Parts Breakdown of Ground Handling Wheel Assembly (PN 369D2610)	02/19/1988
SL HL-101		en	Improved Strength PC Filter Housing	04/04/1988
SL HL-102		en	Addition of Identification Decal on Aircraft Exterior (Compliance to FAR 45.11 [D])	05/06/1988
SL HL-103		en	Availability and Distributors of Tri-Flow Lubricant/Wash	05/09/1988
SL HL-104		en	Additional Inspection Requirements of the Breeze-Eastern Rescue Hoist System	05/18/1988
SL HL-105		en	Chafe Wrapping of Stainless Steel Tube Assemblies and Allison Commercial Service Letter CSL 145, CSL 1140 and CSL 3092, Dated May 1, 1988	05/26/1988
SL HL-106		en	Recommended Replacement Interval for 369H5655-3/-5 Oil Cooler Bearings and 369H5648 Oil Cooler Belt	07/01/1988
SL HL-107		en	Improved Fuel Drain Valve Assembly	07/01/1988
SL HL-108	2	en	Facet Scavenge Oil Filter Kits, P/N 1741050 (369H Series, 369D and 369E) and P/N 1741300 (369F/FF)	11/21/1990
SL HL-110		en	Validity of Spectrum Oil Analysis Program (S.O.A.P.)	01/15/1989
SL HL-112	1	en	New MDHC Authorized Helicopter Airframe Repair Facilities	09/15/1989
SL HL-115		en	Availability of Main Rotor Transmission Filler Cap Extension (MDHC P/N 389D25112)	08/05/1989
SL HL-116		en	Availability of Wire Strike Protection System (Trademark WSPS) on all MDHC 369 Series Helicopters	09/15/1989
SL HL-117		en	Federal Investigation of Central Aviation and Marine Corporation (CAMCO)	10/27/1989
SL HL-118	1	en	Availability of Autronics Corporation Electrical Component Exchange Program	09/27/1991
SL HL-119		en	Compliance to Breeze-Eastern Customer Service Bulletin CSB-120 (Warning Plate for Cargo Hooks)	12/15/1989
SL HL-120		en	Availability of Improved Spacers to be Used on the Shock-Mounted Skid Tube Position Light Assemblies	05/01/1991
SL HL-121		en	Observation of 369A1010(BSC) and -3 Main Rotor Hub Hoisting Eye Bolts	09/27/1991
SL HL-122		en	Main Rotor Hub Balancing	10/11/1991
SL HL-123	1	en	Policy Price of 369H8108 Fuel Vent Emergency Shutoff Valve	09/10/1992
SL HL-125		en	Main Rotor Blade Inspection Program	01/27/1993
SL HL-126		en	Antenna Location and Flight Maneuver Caution	03/22/1993
SL HL-127	2	en	Cancelled Introduction of Use of an Alternate Drive System Lubricant	11/10/2000
SL HL-128		en	Tail Rotor Abrasion Strip Warranty Policy/Compensation	05/10/1995
SL HL-129		en	Increased Overhaul Period on OH-6A Main Rotor Hubs and 369A5400-701 Tail Rotor Transmission Utilization	08/25/1995
SL HL-130		en	Alternate/Improved Engine Oil Tank Seal	07/01/1997
SL NL-001	2	en	Cancelled Introduction of Use of an Alternate Drive System Lubricant	11/10/2000
SL NL-002		en	New MD500N Standard Warranty Statement	06/01/1994
SL NL-003		en	Alternate/Improved Engine Oil Tank Seal	07/01/1997

Technical Bulletins
Name	Revision	Lang	Subject	Date
TB 369D-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 369D-002		en	Cyclic Grip Modification	06/01/1999
TB 369D-003		en	Main Transmission Lubrication Pump Modification	04/09/2001
TB 369D-004		en	Cyclic Trim Actuator Housing Replacement or Modification	06/12/2001
TB 369D-005		en	Engine Automatic Re-Ignition Modification	03/13/2009
TB 369D-006		en	Modification and Installation of a New Engine N2 and Rotor Tachometer Indicator	01/23/2015
TB 369E-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 369E-002		en	Cyclic Grip Modification	06/01/1999
TB 369E-003		en	Main Transmission Lubrication Pump Modification	04/09/2001
TB 369E-004		en	Cyclic Trim Actuator Housing Replacement or Modification	06/12/2001
TB 369E-005		en	Slant Console Installation	05/15/2013
TB 369E-006		en	LED Anti-Collision (Strobe) and Position Light Installation	08/05/2013
TB 369E-006	1	en	LED Anti-Collision (Strobe) and Position Light Installation	05/21/2015
TB 369E-007		en	Garmin G500H and Avionics Suite	10/25/2013
TB 369E-007	1	en	Garmin G500H and Avionics Suite	05/14/2014
TB 369E-008		en	Modification and Installation of a New Engine N2 and Rotor Tachometer Indicator	01/23/2015
TB 369F-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 369F-002		en	Cyclic Grip Modification	06/01/1999
TB 369F-003		en	Fuel System Vapor Vent Line Check Valve Installation	10/26/1999
TB 369F-004		en	Allison 250-C30 Engine Installation Surge Fix Modification	04/26/2000
TB 369F-005		en	Main Transmission Lubrication Pump Modification	04/09/2001
TB 369F-006		en	Cyclic Trim Actuator Housing Replacement or Modification	06/12/2001
TB 369F-007		en	Cooling Scoop Modification	05/15/2012
TB 369F-008		en	Slant Console Installation	05/15/2013
TB 369F-009		en	LED Anti-Collision (Strobe) and Position Light Installation	08/05/2013
TB 369F-009	1	en	LED Anti-Collision (Strobe) and Position Light Installation	05/21/2015
TB 369F-010		en	Garmin G500H and Avionics Suite	10/25/2013
TB 369F-010	1	en	Garmin G500H and Avionics Suite	05/14/2014
TB 369F-011		en	Modification and Installation of a New Engine N2 and Rotor Tachometer Indicator	01/23/2015
TB 369H-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 369H-002		en	Cyclic Grip Modification	06/01/1999
TB 369H-003		en	Cyclic Trim Actuator Housing Replacement or Modification	06/12/2001
TB 369H-004		en	Engine Automatic Re-Ignition Modification	03/13/2009
TB 500N-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 500N-002		en	Cyclic Grip Modification	06/01/1999
TB 500N-003		en	Main Transmission Lubrication Pump Modification	04/09/2001
TB 500N-004		en	VSCS Test Box	02/02/2010
TB 500N-005		en	Slant Console Installation	05/15/2013
TB 500N-006		en	LED Anti-Collision (Strobe) and Position Light Installation	08/05/2013
TB 500N-006	1	en	LED Anti-Collision (Strobe) and Position Light Installation	05/21/2015
TB 500N-007		en	Garmin G500H and Avionics Suite	10/25/2013
TB 500N-007	1	en	Garmin G500H and Avionics Suite	05/14/2014
TB 500N-008		en	Modification and Installation of a New Engine N2 and Rotor Tachometer Indicator	01/23/2015
TB 600N-001	1	en	Cancelled Door Seal Replacement	03/15/2002
TB 600N-002		en	Ballast Weight Installation	03/31/1999
TB 600N-002	1	en	Ballast Weight Installation	02/28/2017
TB 600N-003		en	Cyclic Grip Modification	06/01/1999
TB 600N-004		en	Fuel Cell Baffle Modification	01/10/2001
TB 600N-005		en	Main Transmission Lubrication Pump Modification	04/09/2001
TB 600N-006	1	en	600N Yaw Stability Augmentation System (YSAS) Installation	04/07/2006
TB 600N-007		en	Fuselage Aft Section and Tailboom Modification ((AMOC 2006-08-12, AMOC 2008-20-05))	01/12/2004
TB 600N-007	1	en	Fuselage Aft Section and Tailboom Modification	04/13/2006
TB 600N-007	2	en	Fuselage Aft Section and Tailboom Modification	10/05/2006
TB 600N-007	3	en	Fuselage Aft Section and Tailboom Modification	12/12/2011
TB 600N-008		en	VSCS Test Box	02/02/2010
TB 600N-009		en	Modification of Engine Control Cable	06/02/2010
TB 600N-009	1	en	Modification of Engine Control Cable	07/19/2010
TB 600N-010		en	Slant Console Installation	05/15/2013
TB 600N-011		en	LED Anti-Collision (Strobe) and Position Light Installation	08/05/2013
TB 600N-011	1	en	LED Anti-Collision (Strobe) and Position Light Installation	05/21/2015
TB 900-001		en	VSCS Actuator Mounting Bracket Repair	11/11/1997
TB 900-002		en	Alternate Nutplate Installation	11/11/1997
TB 900-003	1	en	Tub Shell (Fuselage) Inspection Panels, Modification to Install	03/15/2002
TB 900-003	2	en	Tub Shell (Fuselage) Inspection Panels, Modification to Install	09/22/2009
TB 900-004		en	Modification Instructions for NACA Inlet Assembly Installation	11/11/1997
TB 900-005		en	Heat/Defog Upper Deck Through Fitting Modification	01/12/1998
TB 900-006	1	en	Main Rotor Hub Pitchcase Abrasion Tape	01/14/2001
TB 900-007	1	en	Main Rotor Blade Root End Abrasion Tape	02/14/2001
TB 900-008		en	NAS1919 and NAS1921 Alternate Fastener with Drive Anvil	11/06/1998
TB 900-009		en	Modification Instructions for 27 Ampere Hour Battery Option	11/20/1998
TB 900-009	1	en	Modification Instructions for 27 Ampere Hour Battery Option	03/15/2010
TB 900-010	1	en	Increased One Engine Inoperative (OEI) Torque Limit Modification	12/13/2001
TB 900-011		en	Modification Landing/Hover Light Relocation	03/17/1999
TB 900-012	1	en	Fire Extinguishing System Installation	02/09/2000
TB 900-014	4	en	JAR OPS 3 Modification	11/13/2001
TB 900-015		en	Windscreen Wipers -103 Installation	06/17/1999
TB 900-016	2	en	Dual Pilot to Single Pilot Flight Control Conversion	11/16/2000
TB 900-017		en	Heat/Defog Shut Off Valve Upgrade Modification	07/26/1999
TB 900-018	2	en	Dual Essential Bus Relays Modification	08/23/2001
TB 900-019		en	Range Extender Modification	08/30/2000
TB 900-020	2	en	Removable Copilot Controls Modification	05/02/2002
TB 900-021		en	Cabin Window Emergency Release Cover Modification	02/26/2002
TB 900-022		en	Rain Gutter Modification	06/17/2002
TB 900-023		en	Oil Cooling Inlet Duct Modification	01/27/2003
TB 900-024		en	Cabin Door Modification	04/23/2003
TB 900-025	2	en	Generator Cooling Modification	08/14/2003
TB 900-026		en	Supplemental Fuel Cell (Check Valve) Modification	05/27/2003
TB 900-027		en	Electrical Noise Suppression Modification	06/23/2006
TB 900-027	1	en	Electrical Noise Suppression Modification	03/08/2008
TB 900-028		en	MD900 (900 Configuration) to MD900 (902 Configuration with PW207E Engines) Change (Ref. Mod MD9000700001)	12/20/2007
TB 900-029		en	Upper Deck Air Conditioning System Installation	02/09/2008
TB 900-030		en	Supplemental Fuel System Installation (Ref. Mod MD9000700003)	02/19/2008
TB 900-031		en	MD900 (902 Configuration) PW206E to PW207E Engine Conversion Modification	11/02/2009
TB 900-032		en	VSCS Test Box	02/02/2010
TB 900-033		en	Optional Preventative Modification/Repair of the Roof Rib Bracket	02/05/2010
TB 900-033	1	en	Optional Preventative Modification/Repair of the Roof Rib Bracket	06/25/2010
TB 900-033	2	en	Optional Preventative Modification/Repair of the Roof Rib Bracket	04/23/2015
TB 900-034		en	Thruster Assembly Modification	06/25/2010
TB 900-034	1	en	Thruster Assembly Modification	02/09/2011
TB 900-035		en	Modification of Upper Damper Cap	07/29/2010
TB 900-036		en	Remove and Replace the FS401.73 Cable Attachment Bracket Assembly	09/25/2015
TB 900-037		en	Secondary Ejector Oil Breather Fitting Modification	07/26/2010
TB 900-039		en	Modification of Main Rotor Upper Hub Assembly 900R2101006-105, -107, and -109	07/31/2012
TB 900-040		en	Electrial Modification - LED Strobe	11/22/2011
TB 900-041		en	Remove and Replace the Tailboom Attachment Ring	03/09/2012
TB 900-042		en	Repair for the Upper Flange Bolt Holes in the Main Rotor Upper Hub Assembly	10/25/2012
TB 900-043		en	Modification of the NACA Inlet Door Panel Assembly	04/08/2013
TB 900-044		en	Increase of Operational Weight Limit to 6770 lb (3070.82 kg)	03/15/2013
TB 900-044	1	en	Increase of Operational Weight Limit to 6770 lb (3070.82 kg)	10/29/2013
TB 900-045		en	Modification of the Pitchcase Assemblies	06/13/2014
TB 900-046		en	Installation of the Seat Tracks	05/30/2014
TB 900-049		en	Installation or Modification for a New Cargo Hook	12/17/2015
TB DN-010		en	Installation of Auxiliary Drain Valve, Fuel System Installation - PN 369H92255 Drain Kit	10/03/1977
TB DN-012		en	Installation of Modified (Rotor Brake Handle) Trim Cover Panel Assembly	11/18/1977
TB DN-016		en	Rework of Turbine Outlet Temperature (TOT) Indicator, PN 369A4521-5; and Torque Pressure Indicator, PN 369H4526-5	02/01/1978
TB DN-017		en	Installation - Engine Compressor Water Wash Kit, PN 369H92537	02/06/1978
TB DN-018		en	Removal of Capacitor - Voltage Regulator, *AAE or LSI Model VR204; Installation of Varistor - Landing Light Relay, PN MS24166D1	02/06/1978
TB DN-020		en	Replacement of Plenum Wall Fittings - Torque Pressure Gage Tubing and Engine Oil Pressure Gage Tubing	06/06/1978
TB DN-024		en	Field Inspection and Corrosion Repair - Main Rotor Drive Shaft, PN 369D25510	07/05/1978
TB DN-030		en	Installation of Anti-Ice Fuel Filter, PN 369H90022	09/08/1978
TB DN-035		en	Field Repair - Cyclic Trim Actuator Assemblies, PN 369A7170 Series and PN 369A7171 Series	01/29/1979
TB DN-036		en	Installation of Air Baffle, Seal and Cover Assemblies - Transmission Compartment	11/14/1978
TB DN-039		en	Installation of Stainless Steel Abrasion Tape, PN 369D21104 - Main Rotor Blade Leading Edge	06/01/1979
TB DN-040		en	Extension of PN 369A8010-615 Overboard Vent Tube Engine Accessory Drive	12/15/1978
TB DN-043		en	Field Repair - Trim Tab, Main Rotor Blade, PN 369D21100 Series	02/15/1979
TB DN-046	1	en	Field Modification of PN 369D21002 Scissors Crank Assembly, Main Rotor Hub - Upgrade to PN 369D21002-21 Configuration	08/15/1979
TB DN-048		en	Replacement of Radio Transmit/Intercom Trigger Switch; Rework of Cyclic Pitch Stick Grip Assembly	05/10/1979
TB DN-050	1	en	Installation of Voltage Transient Suppressors	11/26/1979
TB DN-055		en	Rework of Ground Handling Wheel Assemblies (Float Type)	08/20/1979
TB DN-056		en	Installation of Fuselage Access Panels for Cyclic Trim Actuator Assemblies	03/07/1980
TB DN-059		en	Installation of Cabin Heat Duct (Fiberglass) Assemblies, PN 369D22009-101 and 369D22009-103	01/15/1980
TB DN-067		en	Rework of One-Way Lock Assembly, PN 369A7010 Series	06/02/1980
TB DN-072	1	en	Drain Kit Installation, PN 369D28300-501 Engine Oil Tank and Oil Cooler; Drain Kit Installation, PN 369D290120 Main Rotor Transmission Oil Cooler	02/06/1981
TB DN-076		en	Rework of Static Pressure Tube Installation to Minimize Altimeter Needle Oscillation	12/08/1980
TB DN-089	2	en	Balancing of Main Rotor Hub Assembly, PN 369D21200	09/24/1982
TB DN-100		en	Relocation of Auto Reignition Controls and Modification of System for Full-Time Operation	02/22/1983
TB DN-101		en	Installation of PN 369H4237-21 Resistor Board Assembly for Easier, More Accurate Adjustment of TOT Indicator	02/01/1982
TB DN-103		en	Modification Kit PN M50459-505 - Double Layer Abrasion Tape for PN 369D21100-505 and PN 369D21100-509 Main Rotor Blades	03/10/1982
TB DN-106		en	Rework of PN 369A9905-Basic and PN 369A9905-3 Ground Handling Wheel Assemblies to Accommodate Installation of New PN 369D26107 Landing Gear Skid Fittings	06/29/1982
TB DN-120		en	Installation and Replacement of Protective Sleeve (Speedi-Sleeve PN 084956) on Tail Rotor Transmission Output Gearshaft	05/31/1983
TB DN-140		en	Oil Tank Filler Nozzle Strainer Assembly - P/N 369D28318	04/15/1986
TB EN-008		en	Installation and Replacement of Protective Sleeve (Speedi-Sleeve PN 084956) on Tail Rotor Transmission Output Gearshaft	05/31/1983
TB EN-028		en	Oil Tank Filler Nozzle Strainer Assembly - P/N 369D28318	04/15/1986
TB FN-016		en	Oil Tank Filler Nozzle Strainer Assembly - P/N 369D28318	04/15/1986
TB HN-017		en	Installation - Dual Bolt, Lower Vertical Stabilizer	04/21/1970
TB HN-030		en	Modification. (Kit No. M50023) - Heat Control Valve Assembly	12/21/1970
TB HN-035		en	Modification Kit (M50436) - Engine-Out Warning Horn Support	05/18/1971
TB HN-039		en	Provisions for Drainage of Water Entrapment Areas	08/23/1971
TB HN-042		en	Shock-Mounted Vertical-to-Horizontal Stabilizer Strut Assembly	12/17/1971
TB HN-049		en	Relocation of Engine Fuel Supply Hose	05/01/1972
TB HN-051		en	Rework - 369H2048 Door Latching System (Autolatching)	07/24/1972
TB HN-104		en	Modification Kit PN M50445 - Fan Assembly, Engine Oil and Compartment Cooling	11/05/1976
TB HN-112		en	Field Fix for Main Rotor Swashplate Uniball	12/24/1976
TB HN-113		en	Tachometer Generator Assembly - Modification Kit PN M50049	12/24/1976
TB HN-119		en	Door Latch Synchronization Check - Pilot and Cargo Door Autolatching Mechanisms	09/12/1977
TB HN-120		en	Installation of Auxiliary Drain Valve, Fuel System Installation - PN 369H92255 Drain Kit	10/03/1977
TB HN-122		en	Removal of Capacitor - Voltage Regulator, *AAE or LSI Model VR204; Installation of Varistor - Landing Light Relay, PN 369A4558 or MSI4166D1	02/06/1978
TB HN-123		en	Installation -- Tail Rotor Pitch Control Links PN 369A1807-5	04/03/1978
TB HN-125		en	Replacement of Plenum Wall Fittings - Torque Pressure Gage Tubing and Engine Oil Pressure Gage Tubing	06/06/1978
TB HN-127		en	Field Inspection and Corrosion Repair - Main Rotor Drive Shaft, PN 369A5500	07/05/1978
TB HN-129	1	en	Installation of Anti-Ice Fuel Filter, PN 369H90022-501	11/24/1980
TB HN-132		en	Field Repair - Cyclic Trim Actuator Assemblies, PN 369A7170 Series and PN 369A7171 Series	01/29/1979
TB HN-135		en	Field Repair - Trim Tab, Main Rotor Blade, PN 369A1100 Series	02/15/1979
TB HN-151		en	Installation of Cabin Heat Duct (Fiberglass) Assemblies PN 369D22099-101	01/15/1980
TB HN-154		en	Rework of One-Way Lock Assembly, PN 369A7010 Series	06/02/1980
TB HN-157		en	Conversion from Pressure Switch Activated to EPO Activated Auto-Reignition System	08/01/1980
TB HN-159		en	Drain Kit Installation, PN 369D28300-501 Engine Oil Tank and Oil Cooler	08/18/1980
TB HN-160		en	Relocation of Auto Reignition Controls and Modification of System for Full-Time Operation	02/22/1983
TB HN-161		en	Rework of Static Pressure Tube Installation to Minimize Altimeter Needle Oscillation	12/08/1980
TB HN-166		en	Installation of Engine Air Inlet Deflector Kit, PN M30287-501	04/21/1981
TB HN-176		en	Installation of PN 369H4237-21 Resistor Board Assembly for Easier, More Accurate Adjustment of TOT Indicator	02/01/1982
TB HN-178		en	Rework of PN 369A9905-Basic and PN 369A9905-3 Ground Handling Wheel Assemblies to Accommodate Installation of New PN 369D26107 Landing. Gear Skid Fittings	06/29/1982
TB HN-188		en	Installation and Replacement of Protective Sleeve (Speedi-Sleeve PN 084956) on Tail Rotor Transmission Output Gearshaft	05/31/1983
TB HN-203		en	Oil Tank Filler Nozzle Strainer Assembly - P/N 369D28318	04/15/1986

User Guides
Name	Revision	Lang	Subject	Date
CSP-900RMM-2 S3		en	902 Configuration Equipped with P&WC 207E Engines - Ground Based Maintenance Computer (GBMC)	02/19/2001

Miscellaneous
Name	Revision	Lang	Subject	Date
DAL		en	Destroyed Aircraft Listing	01/25/2010
Form 1601		en	Service and Operations Report ((Instructions))	09/30/2003
Form CF-7.57	2	en	Service and Operations Report ((Instructions))
Form CF-7.57	3	en	Service and Operations Report ((Instructions))
IR		en	Helicopter Incidents, Accidents and Investigations	07/31/2007

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Service Information: MD Helicopters

Alternative Names: (Hughes Helicopters)

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