Service Information: Timken

Alternative Names: (EXTEX)

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Inspection & Rework Procedures • Instructions for Continued Airworthiness • PMA Supplements • Publication Indexes • Service Bulletins • Service Information Letters

Inspection & Rework Procedures
Name	Revision	Lang	Subject	Date
IRP M-100		en	Braze Repair of Inner and Outer Band Cracks	9/27/2010
IRP T-001	D	en	Un-coated A23038218 & E23038218 1st Stage Turbine Nozzle Assembly	1/22/2001
IRP T-001	E	en	Un-coated A23038218 & E23038218 1st Stage Turbine Nozzle Assembly	9/10/2009
IRP T-002	B	en	A6898977 & E6898977 Turbine to Compressor Coupling	2/1/2001
IRP T-002	C	en	A6898977 & E6898977 Turbine to Compressor Coupling	9/10/2009
IRP T-003	B	en	A6870832 & E6870832 Turbine to Pinion Gear Coupling	1/23/2001
IRP T-003	C	en	A6870832 & E6870832 Turbine to Pinion Gear Coupling	9/10/2009
IRP T-004	D	en	A6890040, E6890040, E23062750, & E23073533 1st Stage Turbine Nozzle Shield Assembly	1/31/2003
IRP T-004	E	en	A6890040, E6890040, E23062750, & E23073533 1st Stage Turbine Nozzle Shield Assembly	9/10/2009
IRP T-005	C	en	Coupling Nuts	2/14/2005
IRP T-005	D	en	Coupling Nuts	9/10/2009
IRP T-005	E	en	Coupling Nuts	4/24/2015
IRP T-006	C	en	A23008020 & E23008020 Turbine Tie Bolt	7/26/2002
IRP T-007	C	en	A6871259 & E6871259 Compressor Tie Bolt	9/20/2002
IRP T-007	D	en	A6871259 & E6871259 Compressor Tie Bolt	9/10/2009
IRP T-008	B	en	Thermocouple Harness	8/11/1998
IRP T-008	C	en	Thermocouple Harness	9/9/2009
IRP T-009	F	en	Second Stage Turbine Nozzles	6/16/2005
IRP T-009	G	en	Second Stage Turbine Nozzles	6/18/2007
IRP T-009	J	en	Second Stage Turbine Nozzles	9/9/2009
IRP T-009	K	en	Second Stage Turbine Nozzles	2/28/2013
IRP T-010	C	en	Compressor Adapter Coupling	8/21/2003
IRP T-011	C	en	Spur Adapter Gearshaft and Spur Adapter Gearshaft Assembly	2/23/1999
IRP T-011	D	en	Spur Adapter Gearshaft and Spur Adapter Gearshaft Assembly	9/9/2009
IRP T-013	C	en	Coated A23038218-C505 & E23038218-C505 1st Stage Turbine Nozzle Assembly	1/25/2001
IRP T-013	D	en	Coated A23038218-C505 & E23038218-C505 1st Stage Turbine Nozzle Assembly	9/9/2009
IRP T-014	B	en	A6877736-1 & -2 & E6877736-1 & -2 Stationary Labyrinth Seal	1/26/2001
IRP T-014	C	en	A6877736-1 & -2 & E6877736-1 & -2 Stationary Labyrinth Seal	9/9/2009
IRP T-015	C	en	P.T. Outer Shaft	9/8/1998
IRP T-015	D	en	P.T. Outer Shaft	9/9/2009
IRP T-015	E	en	P.T. Outer Shaft	4/23/2012
IRP T-016	D	en	PT Inner Shaft	1/13/2003
IRP T-016	E	en	PT Inner Shaft	9/9/2009
IRP T-017	C	en	Spanner Nuts	2/14/2005
IRP T-017	D	en	Spanner Nuts	9/9/2009
IRP T-018	B	en	A6871902, E6871902, A6887619 & E6887619 Compressor Front Bearing Oil Seal and Seal Mating Ring	1/26/2001
IRP T-018	C	en	A6871902, E6871902, A6887619 & E6887619 Compressor Front Bearing Oil Seal and Seal Mating Ring	9/9/2009
IRP T-019	B	en	A6895005 & E6895005 Bearing Retaining Ring	1/26/2001
IRP T-019	C	en	A6895005 & E6895005 Bearing Retaining Ring	9/9/2009
IRP T-020	B	en	A6898764 & E6898764 Oil Bellows Seal	1/26/2001
IRP T-020	C	en	A6898764 & E6898764 Oil Bellows Seal	9/9/2009
IRP T-021	H	en	Compressor Wheels	12/19/2006
IRP T-021	K	en	Compressor Wheels	6/3/2008
IRP T-021	L	en	Compressor Wheels	9/8/2009
IRP T-021	M	en	Compressor Wheels	10/2/2013
IRP T-022	H	en	First Stage Turbine Nozzle	10/27/2004
IRP T-022	J	en	First Stage Turbine Nozzle	9/8/2009
IRP T-022	K	en	First Stage Turbine Nozzle	3/22/2013
IRP T-023	B	en	P.T. Oil Sump Cover	6/1/1998
IRP T-023	C	en	P.T. Oil Sump Cover	9/8/2009
IRP T-024	D	en	Hastelloy X Combustion Liner Assembly, P/Ns A23056108, E23056108 and E23060429; Overhaul Details for P/Ns A6875628, E6875628, A23007530, E23007530, A23004529, E23004529, E23061212, E23061213 and E23061216	6/11/2004
IRP T-024	E	en	Hastelloy X Combustion Liner Assembly, P/Ns A23056108, E23056108 and E23060429; Overhaul Details for P/Ns A6875628, E6875628, A23007530, E23007530, A23004529, E23004529, E23061212, E23061213 and E23061216	9/8/2009
IRP T-027	A	en	E23008030 Turbine Tie Bolt	1/26/2001
IRP T-027	B	en	E23008030 Turbine Tie Bolt	9/4/2009
IRP T-028	D	en	E23032335, E23055438 & E23062029 2nd Stage Turbine Nozzle Assembly	3/21/2003
IRP T-028	E	en	E23032335, E23055438 & E23062029 2nd Stage Turbine Nozzle Assembly	9/4/2009
IRP T-029	C	en	E23008064, E23008064-738 & E23062028-738 1st Stage Turbine Nozzle Assembly	6/18/2002
IRP T-029	D	en	E23008064, E23008064-738 & E23062028-738 1st Stage Turbine Nozzle Assembly	9/4/2009
IRP T-030	B	en	E6892828, E23062752, & E23073566 1st Stage Turbine Nozzle Shield Assembly	1/31/2003
IRP T-030	C	en	E6892828, E23062752, & E23073566 1st Stage Turbine Nozzle Shield Assembly	9/4/2009
IRP T-031	C	en	Spur Adapter Gearshaft Assembly	1/18/2005
IRP T-031	D	en	Spur Adapter Gearshaft Assembly	9/4/2009
IRP T-032	A	en	E23005271-1, -2, -3/EH23005271-1, -2, -3 Compressor Coupling Adapter	1/5/2001
IRP T-032	B	en	E23005271-1, -2, -3/EH23005271-1, -2, -3 Compressor Coupling Adapter	9/4/2009
IRP T-033	B	en	E23030974 & EH23030974 2nd Stage Turbine Splined Adapter	1/15/2004
IRP T-033	D	en	E23030974 & EH23030974 2nd Stage Turbine Splined Adapter	9/4/2009
IRP T-034	B	en	E23032263 Internal Energy Absorbing Ring	7/8/2003
IRP T-034	C	en	E23032263 Internal Energy Absorbing Ring	5/14/2007
IRP T-034	D	en	E23032263 Internal Energy Absorbing Ring	6/14/2007
IRP T-034	E	en	E23032263 Internal Energy Absorbing Ring	9/4/2009
IRP T-035	A	en	E6896098 Fwd Rotating Gas Turbine Labyrinth Seal	1/26/2001
IRP T-035	B	en	E6896098 Fwd Rotating Gas Turbine Labyrinth Seal	9/4/2009
IRP T-036	A	en	E6896408 Spline Lock Nut	1/29/2001
IRP T-036	C	en	E6896408 Spline Lock Nut	9/4/2009
IRP T-037	C	en	Turbine Splined Adapter	9/20/2002
IRP T-037	D	en	Turbine Splined Adapter	9/4/2009
IRP T-039	A	en	E23038137 & E23071313 Power Turbine Inner Shaft	1/1/2001
IRP T-039	B	en	E23038137 & E23071313 Power Turbine Inner Shaft	9/4/2009
IRP T-040	A	en	E23034608 Power Turbine Support Oil Sump Cover	1/29/2001
IRP T-040	B	en	E23034608 Power Turbine Support Oil Sump Cover	9/3/2009
IRP T-041	D	en	E6899081, E23066675 and E23008614 Hastelloy X Combustion Liner Assembly	5/6/2005
IRP T-041	F	en	E6899081, E23066675 and E23008614 Hastelloy X Combustion Liner Assembly	11/17/2005
IRP T-041	G	en	E6899081, E23066675 and E23008614 Hastelloy X Combustion Liner Assembly	9/3/2009
IRP T-042	A	en	E23038136 Power Turbine Outer Shaft	1/29/2001
IRP T-042	B	en	E23038136 Power Turbine Outer Shaft	9/3/2009
IRP T-043	A	en	E6898945 GP Bearing Support Cover Assembly	1/29/2001
IRP T-043	B	en	E6898945 GP Bearing Support Cover Assembly	9/3/2009
IRP T-044	A	en	1st Stage Turbine Nozzle Shield Assembly	1/29/2001
IRP T-044	B	en	1st Stage Turbine Nozzle Shield Assembly	9/3/2009
IRP T-045		en	E6888547-UC Power Turbine Support Oil Sump Cover Assembly	6/22/1998
IRP T-045	A	en	E6888547-UC Power Turbine Support Oil Sump Cover Assembly	9/3/2009
IRP T-045	B	en	E6888547-UC Power Turbine Support Oil Sump Cover Assembly	10/30/2013
IRP T-048	B	en	Rework of E6851531 & E23061922 4th Stage Turbine Nozzle Blade Paths	6/26/2003
IRP T-048	C	en	Rework of E6851531 & E23061922 4th Stage Turbine Nozzle Blade Paths	5/7/2008
IRP T-048	D	en	Rework of E6851531 & E23061922 4th Stage Turbine Nozzle Blade Paths	9/3/2009
IRP T-054	E	en	Limits & Repair	4/11/2007
IRP T-054	F	en	Limits & Repair	9/1/2009
IRP T-055		en	E23032345 Turbine to Compressor Coupling	11/1/2000
IRP T-055	A	en	E23032345 Turbine to Compressor Coupling	9/1/2009
IRP T-057	A	en	Limits & Repair	7/19/2004
IRP T-057	B	en	Limits & Repair	9/1/2009
IRP T-066		en	First Stage Turbine Nozzle	1/11/2002
IRP T-066	A	en	First Stage Turbine Nozzle	8/27/2009
IRP T-067		en	E23072654 & E23072654-UC 2nd Stage Turbine Nozzle Floating Diaphragm Assembly	11/26/2002
IRP T-067	A	en	E23072654 & E23072654-UC 2nd Stage Turbine Nozzle Floating Diaphragm Assembly	5/24/2007
IRP T-067	B	en	E23072654 & E23072654-UC 2nd Stage Turbine Nozzle Floating Diaphragm Assembly	8/26/2009
IRP T-070	A	en	E23062061 1st Stage Turbine Nozzle Assembly	8/18/2005
IRP T-070	B	en	E23062061 1st Stage Turbine Nozzle Assembly	8/25/2009
IRP T-071		en	Un-Cut E23053330 2nd Stage Turbine Nozzle Blade Paths for Installation into C30R/3 and C47 Series Engines	5/1/2002
IRP T-071	A	en	Un-Cut E23053330 2nd Stage Turbine Nozzle Blade Paths for Installation into C30R/3 and C47 Series Engines	8/24/2009
IRP T-072	B	en	Supplier Listing for Repair or Overhaul of Extex Produced Rolls Royce A250 Engine Hardware	7/19/2004
IRP T-073	A	en	E23032326 Firewall Assembly, Vertical	4/26/2007
IRP T-073	B	en	E23032326 Firewall Assembly, Vertical	8/13/2009
IRP T-079		en	E23035175, 23035175AL Internal Energy Absorbing Ring	7/8/2003
IRP T-079	A	en	E23035175, 23035175AL Internal Energy Absorbing Ring	5/10/2007
IRP T-079	B	en	E23035175, 23035175AL Internal Energy Absorbing Ring	8/13/2009
IRP T-079	C	en	E23035175, 23035175AL Internal Energy Absorbing Ring	7/2/2012
IRP T-083		en	No. 5 Labyrinth Seals: E23032327 & E23032328	2/15/2005
IRP T-083	A	en	No. 5 Labyrinth Seals: E23032327 & E23032328	8/13/2009
IRP T-084		en	Rotating Labyrinth Seal: E23037446	2/15/2005
IRP T-084	A	en	Rotating Labyrinth Seal: E23037446	8/12/2009
IRP T-086		en	Helical Power Take Off Gear	6/13/2006
IRP T-086	A	en	Helical Power Take Off Gear	8/12/2009
IRP T-089		en	E23031494 Stationary Labyrinth Seal	5/13/2005
IRP T-089	A	en	E23031494 Stationary Labyrinth Seal	8/12/2009
IRP T-091	A	en	Turbine to Pinion Gear Coupling	8/7/2009
IRP T-092	A	en	Gearshaft, Spur - Fuel Control & Oil Pump	8/7/2009
IRP T-093		en	Nozzle Assembly, Pressure Oil, Power Turbine Support	5/2/2006
IRP T-093	A	en	Nozzle Assembly, Pressure Oil, Power Turbine Support	8/7/2009
IRP T-094		en	E23035299/E23075442/E23035299AL Helical Torquemeter Gearshaft Assembly	5/31/2006
IRP T-094	A	en	E23035299/E23075442/E23035299AL Helical Torquemeter Gearshaft Assembly	8/7/2009
IRP T-094	B	en	E23035299/E23075442/E23035299AL Helical Torquemeter Gearshaft Assembly	5/8/2012
IRP T-105		en	Timken Alcor Aerospace Technologies Replacement Bearings for Certain Rolls Royce 250 Engines	12/10/2014
IRP T-301		en	E3611904-1 Turbine Shroud	9/27/1999
IRP T-301	A	en	E3611904-1 Turbine Shroud	8/4/2009
IRP T-401		en	E3840004-5 1st Stage Turbine Blade & E3840008-2 2nd Stage Turbine Blade	10/8/1999
IRP T-401	A	en	E3840004-5 1st Stage Turbine Blade & E3840008-2 2nd Stage Turbine Blade	7/23/2009
IRP T-402		en	E3826099 Inlet Guide Vane & EN3826099 Inlet Guide Vane, Nickel	11/8/1999
IRP T-402	A	en	E3826099 Inlet Guide Vane & EN3826099 Inlet Guide Vane, Nickel	8/4/2009
IRP T-404	A	en	Second Stage Turbine Blade Radiographic Inspection Information	8/4/2009
IRP T-501	C	en	Instructions for Continued Airworthiness	4/6/2007
IRP T-501	E	en	Instructions for Continued Airworthiness	7/20/2009
IRP T-601	A	en	3840223-4E 1st Stage Turbine Blade	1/29/2007
IRP T-601	B	en	3840223-4E 1st Stage Turbine Blade	7/20/2009
IRP T-800	A	en	Replacement Parts for Certain Pratt & Whitney Canada PT6A & PT6T Engines	4/11/2007
IRP T-800	B	en	Replacement Parts for Certain Pratt & Whitney Canada PT6A & PT6T Engines	8/3/2009
IRP T-801	B	en	Power Turbine Blade Inspection and Repair Limits and Overhaul Criteria	4/12/2007
IRP T-801	C	en	Power Turbine Blade Inspection and Repair Limits and Overhaul Criteria	8/4/2009
IRP T-802	A	en	E3123131-02, E3123071-01 Blade, CT	6/14/2006
IRP T-802	B	en	E3123131-02, E3123071-01 Blade, CT	6/26/2009
IRP T-802	C	en	E3123131-02, E3123071-01 Blade, CT	12/21/2011

Instructions for Continued Airworthiness
Name	Revision	Lang	Subject	Date
ICA T-065	B	en	Instructions for Continued Airworthiness Replacement Parts for RR250	8/27/2009

PMA Supplements
Name	Revision	Lang	Subject	Date
Supp 2	revised	en	PQ4105CE	6/20/2011
Supp 4		en	PQ4105CE	11/5/1999
Supp 7		en	PQ4105CE	4/11/2000
Supp 8		en	PQ4105CE	6/20/2000
Supp 9		en	PQ4105CE	11/8/2000
Supp 15		en	PQ4105CE	7/18/2001
Supp 22		en	PQ4105CE	11/12/2005

Publication Indexes
Name	Revision	Lang	Subject	Date
APU		en	Technical Manual Table of Contents	5/15/2015
RR250		en	Technical Manual Table of Contents	8/17/2015

Service Bulletins
Name	Revision	Lang	Subject	Date
SB T-012	D	en	Installation Procedure for the A23031938-UC, E23031938-UC, E6878426-UC & E23072654-UC 2nd Stage Turbine Nozzle Assembly	7/6/2006
SB T-012	E	en	Installation Procedure for the A23031938-UC, E23031938-UC, E6878426-UC & E23072654-UC 2nd Stage Turbine Nozzle Assembly	9/9/2009
SB T-016	F	en	Inspection and Repair of Power Turbine Inner Shafts	11/27/2012
SB T-016	G	en	Inspection and Repair of Power Turbine Inner Shafts	2/5/2013
SB T-026	C	en	Installation Procedure for the E23032335-UC, E23055438-UC & E23053330 2nd Stage Turbine Nozzle Assembly	11/10/2003
SB T-026	D	en	Installation Procedure for the E23032335-UC, E23055438-UC & E23053330 2nd Stage Turbine Nozzle Assembly	9/8/2009
SB T-026	E	en	Installation Procedure for the E23032335-UC, E23055438-UC & E23053330 2nd Stage Turbine Nozzle Assembly	3/29/2010
SB T-046	A	en	Rework Procedures for E6899081 Combustion Liner to Improve Part Durability and Improved Burner Outlet Temperature in Series III Applications Only	1/7/1999
SB T-046	B	en	Rework Procedures for E6899081 Combustion Liner to Improve Part Durability and Improved Burner Outlet Temperature in Series III Applications Only	9/3/2009
SB T-049		en	Rework Procedures for E6878426 2nd Stage Nozzle Assembly to Allow for Installation in 250-C20B and B17B Engines	6/10/1999
SB T-049	A	en	Rework Procedures for E6878426 2nd Stage Nozzle Assembly to Allow for Installation in 250-C20B and B17B Engines	9/3/2009
SB T-050		en	Installation Requirements for A6888529/E6888529 Starter Generator Gearshaft	6/29/1999
SB T-050	A	en	Installation Requirements for A6888529/E6888529 Starter Generator Gearshaft	9/3/2009
SB T-051	A	en	Inspection, Rework Instructions for Power Turbine Inner Shafts to Enhance Atmospheric Corrosion Protection	4/30/2001
SB T-051	B	en	Inspection, Rework Instructions for Power Turbine Inner Shafts to Enhance Atmospheric Corrosion Protection	9/3/2009
SB T-052		en	Installation Instructions for E23032283-1, -2, -3 Bearing Cages	3/29/2000
SB T-052	A	en	Installation Instructions for E23032283-1, -2, -3 Bearing Cages	9/1/2009
SB T-053		en	Rework Instructions for E6898785 Helical PTO Gearshaft	7/10/2000
SB T-053	A	en	Rework Instructions for E6898785 Helical PTO Gearshaft	9/1/2009
SB T-061	A	en	Mandatory Replacement of E23039791-1 Compressor Adapter Couplings	6/26/2001
SB T-062	A	en	Mandatory Replacement of E6898977 Turbine to Compressor Couplings	10/12/2001
SB T-062	B	en	Mandatory Replacement of E6898977 Turbine to Compressor Couplings	9/1/2009
SB T-065		en	Rework and Return to Service Instructions	10/12/2001
SB T-065	A	en	Rework and Return to Service Instructions	7/2/2008
SB T-068	B	en	Two Piece Diffuser Installation Rework Instructions	9/24/2004
SB T-068	C	en	Two Piece Diffuser Installation Rework Instructions	8/25/2009
SB T-075		en	Mandatory Removal of Certain PTO Gears	3/24/2003
SB T-076	A	en	Mandatory Inspection of Certain Torquemeter Gears Prior to Return to Service	7/3/2003
SB T-076	B	en	Mandatory Inspection of Certain Torquemeter Gears Prior to Return to Service	8/13/2009
SB T-081	B	en	Alert Removal of Compressor Adapter Coupling	5/4/2004
SB T-082	A	en	Second Stage Turbine Nozzles - Modify for Incorporation of an Internal Energy Absorbing Ring	6/22/2004
SB T-082	B	en	Second Stage Turbine Nozzles - Modify for Incorporation of an Internal Energy Absorbing Ring	8/13/2009
SB T-090		en	Removal of Turbine Tie Bolt	5/23/2005
SB T-099		en	Alert Required Compressor Wheel Inspections	12/20/2006
SB T-099	A	en	Alert Required Compressor Wheel Inspections	6/3/2008
SB T-099	B	en	Alert Required Compressor Wheel Inspections	8/7/2009
SB T-100		en	Mandatory Part Number Re-Identificaton (Certain Serial Numbers)	5/3/2007
SB T-100	A	en	Mandatory Part Number Re-Identificaton (Certain Serial Numbers)	8/7/2009
SB T-101		en	Spur Adapter Gearshaft Assembly Installation	10/21/2008
SB T-101	A	en	Spur Adapter Gearshaft Assembly Installation	8/5/2009
SB T-102	A	en	Engine, Compressor Assembly - Removal of No. 2 Bearing	7/28/2011
SB T-103	A	en	Alert Possible Obstruction of Nozzle Cooling Passages	9/4/2012
SB T-106		en	Modification of PMA Replacement Shaft and Coupling for Certain Rolls Royce 250 Engines	8/17/2015
SB T-107		en	Possible Accelerated Corrosion	7/6/2015
SB T-403	B	en	Rework E3826102-1 IGV Ring Gear into E3612887-1 Assembly	4/29/2002
SB T-404		en	E3840008-2 Blade Inspections	6/3/2005
SB T-650		en	Blade, HP Turbine Rotor Inspection Information	6/10/2011
SB T-700		en	Airworthiness Limitations	10/3/2012
SB T-700	A	en	Airworthiness Limitations	3/11/2014
SB T-700	B	en	Airworthiness Limitations	10/20/2014
SB T-803		en	Oil System Monitoring	2/10/2010
SB T-803	A	en	Oil System Monitoring	6/5/2012
SB T-804	A	en	Alert Increased Monitoring of Chip Detector. Removal of PMA Sun and Planet Gears	8/29/2011
SB T-804	B	en	Alert Increased Monitoring of Chip Detector. Removal of PMA Sun and Planet Gears	11/7/2011
SB T-805		en	Cancelled Increased Monitoring of Chip Detector
SB T-805		en	Increased Monitoring of Chip Detector	8/4/2011
SB T-807		en	Alert Increased Monitoring of Engine Chip Detectors	11/30/2011
SB T-808		en	Alert Removal of Sun and/or Planet Gears	3/12/2012
SB T-809		en	Inspection and Repair of Coated Compressor Turbine Blades	9/27/2012
SB T-811		en	Compressor Turbine (CT) Blade Inspection	12/31/2013
SB T-811	A	en	Compressor Turbine (CT) Blade Inspection	2/21/2014
SB T-900		en	Mandatory Part Number Re-Identification for Specific Serial Numbers	9/16/2010
SB T-1000		en	Clarification of Part Number Identification	6/17/2011

Service Information Letters
Name	Lang	Subject	Date
SIL T-651	en	High Pressure Turbine Blades - Recent Service Issues	5/15/2015
SIL T-1002	en	Request for In-Service Data of FAA-PMA Approved Articles (Parts)	3/26/2013
SIL T-1004	en	Instructions for Continued Airworthiness (ICA)	5/15/2015
SIL TT160704	en	Aircraft Landing Wheel Bearing Part Number Check	7/16/2004

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Service Information: Timken

Alternative Names: (EXTEX)

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