The Aviation DataBase: Service Information: General Electric
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DataBases updated: Jul 16th, 2025
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All Operators Wires
NameRevisionLangSubjectDate
en FPI of Deep Disk Spools, Best Practices8/10/1995
Drawings
NameRevisionLangSubjectDate
en Fixture, Assembly & Test - Thrust Reverser3/13/1985
en Fixture, Assembly & Test - Thrust Reverser3/13/1985
en Fixture, Assembly & Test - Thrust Reverser3/13/1985
rev en Fixture, Machine - Blocker Door Hinges10/28/1987
Engine Maintenance Manuals
NameRevisionLangSubjectDate
17 en M601D11/21/2022
21 en M601E-11, M601E-11S, M601E-11AS, M601F, M601FS11/21/2022
21 en M601D-1, M601D-2, M601D-11, M601D-11NZ, M601Z11/21/2022
Engine Manuals
NameRevisionLangSubjectDate
48 en CF6-80E19/15/2018
51 en CF34-8C4/1/2022
51 en CF34-8C4/1/2022
51 en CF34-8C4/1/2022
43 en CF34-8E4/1/2022
43 en CF34-8E4/1/2022
Engineering Bulletins
NameRevisionLangSubjectDate
en JT8D Compressor Disk Electrical Arc Burn2/28/1998
Maintenance Manuals
NameRevisionLangSubjectDate
22 en H80, H80-100/H80-200, H75-100/H75-200, H85-100/H85-20012/18/2020
26 en H80, H80-100/H80-200, H75-100/H75-200, H85-100/H85-2002/1/2023
60 en CT7B
60 en CT7B10/1/2017
Miscellaneous Guides
NameRevisionLangSubjectDate
1 en Thrust Reverser Rigging Pocket Guide: CF6-80C2/E13/31/2013
Service Bulletins: 14( )( )KID
NameRevisionLangSubjectDate
1 en Fuel System - Five-Tank Indicator FQIS - Conversion of 1404KID2 and 1405KID2 by Replacement of Rear Connector Neoprene Sleeving with Silicone Sleeving7/15/2008
1 en Fuel System - Multi-Tank Indicator FQIS - Conversion of 1406KID-03, 1408KID-01-002 and 1409KID-02 by Replacement of Rear Connector Neoprene Sleeving with Silicone Sleeving7/15/2008
1 en Fuel System - Multi-Tank Indicator FQIS - Conversion of 1410KID-01, 1411KID-01, 1414KID-01 and 1415KID-01 by Replacement of Rear Connector Neoprene Sleeving with Silicone Sleeving7/15/2008
1 en Fuel System - Five-Tank Indicator FQIS - Conversion of 1420KID1-1 and 1421KID1-1 by Replacement of Rear Connector Neoprene Sleeving with Silicone Sleeving7/23/2008
Service Bulletins: 5000ELM
NameRevisionLangSubjectDate
1 en Fuel Systems - P110 Left Power Management Panel 5***ELM2* - Addition of Fuel Scavenge Wiring8/5/2014
1 en Fuel System - P110 Left Power Management Panel - Retrofit of Uncommanded on Hardware1/7/2010
Service Bulletins: 6000ELM
NameRevisionLangSubjectDate
1 en Fuel Systems - P210 Right Power Management Panel 6***ELM2* - Addition of Fuel Scavenge Wiring8/5/2014
1 en Fuel System - P210 Right Power Management Panel - Retrofit of Uncommanded on Hardware1/7/2010
Service Bulletins: CF34
NameRevisionLangSubjectDate
en Engine - Compressor Stator Assembly - Actuating Linkage Assembly Torque Check One-Time Inspection2/15/2022
en Engine - Fan Rotor Assembly - Replacement of Fan Blades with Missing After-Repair Lance Peening9/27/2017
en Engine - Fan Rotor Assembly - Replacement of Fan Blades with Missing After-Repair Lance Peening9/27/2017
en Engine - High Pressure Turbine Rotor Assembly - HPT Front Rotating Air Seal Correction Plan8/3/2018
1 en Engine - Core Module-Major Components - Introduction of New HPT Shroud/LPT Nozzle Assembly P/N 2205M38G077/17/2019
en Engine - Compressor Stator Assembly - Actuating Linkage Assembly Torque Check One-Time Inspection2/15/2022
4 en Engine - General - Strainer Assembly Screen Inspection for Teflon Material Check4/27/2021
5 en Alert Engine - Fan Rotor Assembly - Inspection of Fan Blades6/15/2016
3 en Alert Engine - Fan Rotor Assembly - Introduction of Fan Blade Bushing Repair12/9/2016
5 en Alert Engine - Fan Rotor Assembly - Inspection of Fan Blades6/15/2016
en Alert Engine - Combustion Chamber Liner Assembly - Borescope Inspection of Combustion Outer Liner Shell6/27/2019
2 en Alert Engine - Combustion Chamber Liner Assembly - Borescope Inspection of Combustion Outer Liner Shell2/25/2020
3 en Alert Engine - Fan Rotor Assembly - Introduction of Fan Blade Bushing Repair12/9/2016
en Alert Engine - Fan Rotor Assembly - Fan Disk Bore Tactile and Visual Inspection2/15/2007
en Alert Engine - Combustion Chamber Liner Assembly - Borescope Inspection of Combustion Outer Liner Shell6/27/2019
2 en Alert Engine - Combustion Chamber Liner Assembly - Borescope Inspection of Combustion Outer Liner Shell2/25/2020
en Engine Fuel and Control - Fuel System - Introduction of CF34 Main Fuel Controls with Relocated Pressure-Relief Groove8/12/1999
en Engine Fuel and Control - Fuel System - Introduction of CF34 Main Fuel Controls with Relocated Pressure-Relief Groove8/12/1999
en Fuel System - Fuel Control - Cleaning and Replacement of Bypass Valve Piston1/22/1988
en Alert Engine Fuel and Control - Fuel System - Replacement of Buna-N Material Preformed Packing7/7/1999
en Alert Engine Fuel and Control - Fuel System - Replacement of Buna-N Material Preformed Packing7/7/1999
en Air - Operability Bleed Valve - Replacement of Operability Bleed Start Valve VIN 3291552-3 (P/N 4121T67P03)9/14/2012
en Air - Operability Bleed Valve - Replacement of Operability Bleed Start Valve VIN 3291552-2 (P/N 4121T67P02) and VIN 3291552-4 (P/N 4121T67P04)9/14/2012
en Air - ECS LH and RH Ducting Installation - Inspection of OBV Fittings and OBV System Links8/4/2017
1 en Air - Operability Bleed Valve - Replacement and Upgrade of Suspect Population of OBVS VIN 5000728-104 (P/N 4123T71P02), VIN 5000728-106 (P/N 4123T71P03), and VIN 5080046-101 (P/N 4123T71P04)8/1/2019
4 en ECS LH and RH Ducting Installation - Repetitive Inspection of OBV Fittings and OBV System Links5/10/2019
en Air System - Compressor Variable Geometry Actuator Components - Master Compressor Variable Geometry Actuator & Slave Compressor Variable Geometry Actuator One-Time Inspection11/2/2021
1 en Air - Operability Bleed Valve - Replacement and Upgrade of Suspect Population of OBVS VIN 5000728-104 (P/N 4123T71P02), VIN 5000728-106 (P/N 4123T71P03), and VIN 5080046-101 (P/N 4123T71P04)8/1/2019
en Air System - Compressor Variable Geometry Actuator Components - Master Compressor Variable Geometry Actuator & Slave Compressor Variable Geometry Actuator One-Time Inspection11/2/2021
1 en Exhaust - Thrust Reverser Installation - Inspection of Inner Fixed Structure Fire Seal of Left and Right Half Thrust Reversers6/20/2018
1 en Alert Fuel System - Rework of Main Fuel Control to Add Forward Flange Vent Groove9/24/1997
1 en Alert Fuel System - Rework of Main Fuel Control for Overspeed Protection2/20/1998
1 en Alert Fuel System - Rework of Main Fuel Control to Add Forward Flange Vent Groove9/24/1997
2 en Alert Fuel System - Rework of Main Fuel Control to Add Forward Flange Vent Groove5/29/1998
en Alert Fuel System - Rework of Main Fuel Control for Overspeed Protection11/21/1997
1 en Alert Fuel System - Rework of Main Fuel Control for Overspeed Protection5/29/1998
Service Bulletins: CF6-45
NameRevisionLangSubjectDate
3 en Engine - Turbine Section - Incorporation of Center Vent Tube Extension6/30/1989
5 en Engine - Turbine Section - Incorporation of Center Vent Tube Extension4/24/1990
5 en Engine - High Pressure Compressor Stator - Improved HPC Forward Stator Case with Fixed Stage 6 Vane and New Horizontal Flange and Circumferential Flange Hardware6/2/1983
1 en Engine - High Pressure Compressor Stator - Improved Stages IGV, 1 and 2 Stator Vanes, I.D. Shrouds, Bolts, Nuts & Bushings7/5/1979
7 en Engine - High Pressure Compressor Rotor - Steel Bladed Rotor (Improved Stage 3 thru 9 Blades, Balance Weights and Locking Lugs, Stage 3-9 Spool and Stage 2 Bolts and Nuts1/22/1981
5 en Engine - Fan Stator Case - Addition of Stiffener Ring and Micro-Balloon Shroud9/15/1981
2 en Engine - Turbine Section - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements11/4/1982
4 en Engine - Compressor Rear Frame Assembly - Forward Flange Crank Inspection and Doubler Installation3/27/1991
2 en Engine - Compressor Rear Frame Assembly - Alternate Procedure for Inspection of CRF Mid Flange for Cracking4/12/1991
2 en Engine - Compressor Rear Frame - Inspection of CRF Ignitor Pad and Fuel Nozzle Pad Areas for Cracks4/14/1986
6 en Engine - High Pressure Turbine Rotor - Rework of HPT Stage 2 Nozzle and Interstage Seal, and Eddy-Current Inspection of the Thermal Shield10/30/1990
8 en Engine - High Pressure Turbine Rotor - Rework of HPT Stage 2 Nozzle and Interstage Seal, and Eddy-Current Inspection of the Thermal Shield3/6/1992
en Engine - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements8/21/1987
1 en Engine - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements9/27/1990
1 en Engine - Turbine Mid Frame - Inspection of TMF Aft Flange Circumferential Weld for Cracks4/18/1989
2 en Engine - Turbine Mid Frame - Inspection of TMF Aft Flange Circumferential Weld for Cracks1/9/1990
3 en Air System - Introduction of Improved 7th Stage LPT Cooling Air Manifold and Addition of Support Brackets6/8/1982
3 en Air System - Introduction of Improved 7th Stage LPT Cooling Air Manifold and Addition of Support Brackets6/8/1982
en Engine - Air System - Introduction of "On-Wing" 7th Stage LPT Air Manifold/Tube Improvements7/19/1985
en Engine - Air System - Inspection of 7th-Stage LPT & HPT Air Manifold Tubes, Mounting Brackets and Loop Clamps9/13/1985
2 en Engine - Air System - Inspection of 7th-Stage LPT & HPT Air Manifold Tubes, Mounting Brackets and Loop Clamps1/24/1986
en Engine - Air System - Inspection of Left Hand 7th-Stage LPT Air Manifold Tubes, Mounting Brackets and Loop Clamps4/14/1986
1 en Alert Engine - Compressor Rotor Assembly - Stage 3-9 Spool Material Anomaly7/19/1983
1 en Alert Engine - High Pressure Turbine Rotor Assembly - Inspection of Stage 1 Disk Embossment Radii1/31/1986
4 en Alert Engine - High Pressure Turbine Rotor Assembly - Inspection of Stage 1 Disk Embossment Radii9/27/1990
Service Bulletins: CF6-50
NameRevisionLangSubjectDate
3 en Engine - Fan Module - Secondary Containment Shield for Hydraulic Line Protection8/22/2007
en Engine - Turbine Mid Frame - Replacement of "C" Sump, Heat Shields and Thermal Blankets9/6/1972
3 en Engine - Turbine Section - Incorporation of Center Vent Tube Extension6/30/1989
5 en Engine - Turbine Section - Incorporation of Center Vent Tube Extension4/24/1990
5 en Engine - Fan Section - Improved Seal Material for Fan Stator Stages 1, 2 and 3 Inner Shrouds, Stage 2 Outer Shroud and Stage 2 and 3 Outer Case9/26/1979
1 en Engine - Compressor Casing - Fuel and Oil Tube Protective Covering2/10/1977
5 en Engine - High Pressure Compressor Stator - Improved HPC Forward Stator Case with Fixed Stage 6 Vane and New Horizontal Flange and Circumferential Flange Hardware6/2/1983
1 en Engine - High Pressure Compressor Stator - Improved Stages IGV, 1 and 2 Stator Vanes, I.D. Shrouds, Bolts, Nuts & Bushings7/5/1979
7 en Engine - High Pressure Compressor Rotor - Steel Bladed Rotor (Improved Stage 3 thru 9 Blades, Balance Weights and Locking Lugs, Stage 3-9 Spool and Stage 2 Bolts and Nuts1/22/1981
5 en Engine - Fan Stator Case - Addition of Stiffener Ring and Micro-Balloon Shroud9/15/1981
2 en Engine - Turbine Section - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements11/4/1982
4 en Engine - Compressor Rear Frame Assembly - Forward Flange Crank Inspection and Doubler Installation3/27/1991
2 en Engine - Compressor Rear Frame Assembly - Alternate Procedure for Inspection of CRF Mid Flange for Cracking4/12/1991
2 en Engine - Compressor Rear Frame - Inspection of CRF Ignitor Pad and Fuel Nozzle Pad Areas for Cracks4/14/1986
6 en Engine - High Pressure Turbine Rotor - Rework of HPT Stage 2 Nozzle and Interstage Seal and Eddy-Current Inspection of Thermal Shield10/30/1990
8 en Engine - High Pressure Turbine Rotor - Rework of HPT Stage 2 Nozzle and Interstage Seal and Eddy-Current Inspection of Thermal Shield3/6/1992
4 en Engine - Compressor Rear Stator Assembly - Modification of Rear Compressor Case Aft Flange Bolt Hole Spot-face Corner Radius and Introduction of CRC On-Wing Inspection Intervals8/27/1998
en Engine - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements8/21/1987
1 en Engine - High Pressure Turbine Rotor - Spacer/Impeller Threshold and Inspection Interval Requirements9/27/1990
en Engine - High Pressure Turbine Rotor - Stage 2 Disk Forward Embossment Inner Diameter Fillet Radius Modification8/17/1988
1 en Engine - High Pressure Turbine Rotor - Stage 2 Disk Forward Embossment Inner Diameter Fillet Radius Modification10/5/1988
1 en Engine - Turbine Mid Frame - Inspection of TMF Aft Flange Circumferential Weld for Cracks4/18/1989
2 en Engine - Turbine Mid Frame - Inspection of TMF Aft Flange Circumferential Weld for Cracks1/9/1990
1 en Engine - High-Pressure Compressor Rotor - Rear Shaft Threshold and Inspection Interval Requirements10/18/1990
2 en Engine - High Pressure Turbine Rotor - Stage 1 Disk Replacement11/29/1990
1 en Engine - Low Pressure Turbine - Turbine Mid Frame (TMF) Outer Case Modifications4/20/1990
en Engine - Low Pressure Turbine - Turbine Mid Frame (TMF) Outer Case Thermal Barrier Coating12/11/1989
1 en Engine - Fan Rotor Assembly - Inspection of Stage 1 Fan Disk Dovetail Posts1/29/1993
2 en Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Immersion Ultrasonic and Eddy Current Inspection9/9/1993
1 en Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Immersion Ultrasonic and Eddy Current Inspection3/28/1991
1 en Engine - High Pressure Compressor Rotor - Stage 11-1 Spool Stage 12 Web Thickness Inspection11/14/1991
1 en Engine - High Pressure Turbine Rotor - Thermal Shield Inspection10/10/1991
en Engine - Fan Rotor - Replacement of Four Stage 1 Fan Disks10/14/1991
1 en Engine - HPT Rotor - Stage 2 Disk Bolt Holes - Eddy Current Inspection6/17/1993
en Engine - HPT Rotor - Stage 1 Disk Rim Bolt Holes - Eddy Current Inspection2/12/1993
en Engine - High Pressure Turbine Rotor - Stage 2 Disk Life Limit Change and Life Limit Extension Rework9/12/1994
2 en Engine - High Pressure Turbine Rotor - Stage 2 Disk Life Limit Change and Life Limit Extension Rework1/23/1996
en Engine - Forward Engine Mount Side Links - Inspection11/18/1994
1 en Engine - Forward Engine Mount Side Links - Inspection10/31/1995
en Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection11/6/1995
en Engine - Stage 2 Additional Nozzle Lock Incorporation11/22/2000
1 en Engine - Stage 2 Additional Nozzle Lock Incorporation2/7/2001
en Engine - Stage 1 LPTR Disk - Removal from Service11/30/2001
1 en Engine - TMF - Replace Strut Studs and Increase Clearance of Stage 1 LPT Nozzle Supports9/24/2003
en Engine - HPCR - Threadless Air Duct Improvement12/12/2003
1 en Engine - Forward Engine Mount Side Links - Inspection6/17/2009
en Engine - LPT Stator Assembly - LPT Stator Shrouds with a Reduced Height Honeycomb6/23/2004
en Engine - LPT Stator Stages 2 and 3 Interstage Seals - New and Reworked Seals for Improved Engine Reliability12/16/2004
1 en Engine - Low Pressure Turbine Rotor Assembly - On Wing Stage 3 LPTR Disk Ultrasonic Inspection10/18/2010
3 en Alert Engine - High Pressure Compressor Rotor - Rear Shaft Threshold and Inspection Interval Requirements5/25/2001
7 en Alert Engine - Fan Rotor Assembly - Immersion-Ultrasonic Inspection of Older Material Stage 1 Fan Disk4/22/1999
6 en Alert Engine - Fan Rotor Assembly - Immersion-Ultrasonic Inspection of Older Material Stage 1 Fan Disk8/25/1998
3 en Alert Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection11/12/1999
6 en Alert Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection7/5/2003
2 en Alert Engine - HPCR Stage 3-9 Spool - Web and Transition Immersion Ultrasonic and Eddy Current Inspection10/28/1999
5 en Alert Engine - HPCR Stage 3-9 Spool - Web and Transition Immersion Ultrasonic and Eddy Current Inspection7/7/2003
en Alert Engine - HPCR - Replacement of Nine Stage 3-9 Spools10/17/1997
en Alert Engine - High Pressure Compressor Rotor Assembly - Stage 14 Disk - Inspection3/19/1998
1 en Alert Engine - High Pressure Compressor Rotor Assembly - Stage 14 Disk - Inspection5/13/1999
1 en Alert Engine - HPCR Assembly - Stage 3-9 Spool Inspection - Stages 3-5 Dovetail Slots10/28/1999
5 en Alert Engine - HPCR Assembly - Stage 3-9 Spool Inspection - Stages 3-5 Dovetail Slots7/7/2003
en Alert Engine - LPT Assembly - Solid Stage 2 Borescope Plug11/15/2000
en Alert Engine - LPT Assembly - Nozzle Lock - Inspection12/14/2000
3 en Alert Engine - HPCR - Threadless Air Duct5/30/2001
en Alert Engine - LPT Case Modification and New Nozzle Lock Incorporation12/22/2000
1 en Alert Engine - LPT Case Modification and New Nozzle Lock Incorporation2/6/2001
3 en Alert Engine - LPT Case Modification and New Nozzle Lock Incorporation11/4/2002
en Alert Engine - LPTR - Stage 2 Disk Life Limit Reduction8/23/2001
en Alert Engine - General - Inspect Rotating Parts Records for Adjusted Life Limits3/24/2005
3 en Air System - Introduction of Improved 7th Stage LPT Cooling Air Manifold and Addition of Support Brackets6/8/1982
3 en Air System - Introduction of Improved 7th Stage LPT Cooling Air Manifold and Addition of Support Brackets6/8/1982
en Engine - Air System - Introduction of "On-Wing" 7th Stage LPT Air Manifold/Tube Improvements7/19/1985
en Engine - Air System - Inspection of 7th-Stage LPT & HPT Air Manifold Tubes, Mounting Brackets and Loop Clamps9/13/1985
2 en Engine - Air System - Inspection of 7th-Stage LPT & HPT Air Manifold Tubes, Mounting Brackets and Loop Clamps1/24/1986
en Engine - Air System - Inspection of Left Hand 7th-Stage LPT Air Manifold Tubes, Mounting Brackets and Loop Clamps4/14/1986
4 en Air - Stages 8 and 14 Bleed Manifold Inspection10/27/2005
en Air - Stage 8 Air Manifold - Repetitive Inspection12/18/1997
1 en Alert Engine - Compressor Rotor Assembly - Stage 3-9 Spool Material Defect3/13/1979
1 en Alert Engine - Compressor Rotor Assembly - Stage 3-9 Spool Material Anomaly7/19/1983
1 en Alert Engine - High Pressure Turbine Rotor Assembly - Inspection of Stage 1 Disk Embossment Radii1/31/1986
4 en Alert Engine - High Pressure Turbine Rotor Assembly - Inspection of Stage 1 Disk Embossment Radii9/27/1990
Service Bulletins: CF6-6
NameRevisionLangSubjectDate
4 en Engine - Fan Module - Ultrasonic Inspection of Stage 1 Fan Disks2/8/1991
3 en Engine - Fan Rotor Assembly - Immersion -Ultrasonic Inspection of Stage 1 Fan Disk5/22/1991
en Engine - Compressor Rear Frame - CDP Manifold Boss Plug Weld Inspection10/2/1990
2 en Engine - Compressor Rear Frame - CDP Manifold Boss Plug Weld Inspection8/27/1991
en Engine - Compressor Rear Frame - CDP Manifold Boss Plug Weld Inspection and Repair3/15/1991
1 en Engine - High Pressure Turbine Rotor - Thermal Shield Inspection10/10/1991
en Engine - HPT Rotor - Stage 1 Disk Rim Bolt Holes - Eddy Current Inspection2/12/1993
1 en Engine - HPT Rotor - Stage 2 Disk Bolt Holes - Eddy Current Inspection6/17/1993
4 en Alert Engine - Fan Rotor Assembly - Immersion-Ultrasonic Inspection of Older Material Stage 1 Fan Disk6/9/1998
Service Bulletins: CF6-80
NameRevisionLangSubjectDate
2 en Nacelle - Power Plant - Inspection of Aft Engine Mount Beam Assemblies6/26/1990
4 en Engine - Assembly - Redesigned Forward Engine Mount System2/29/2000
en Engine - Accessory Drive Module - Rework of Accessory Shield Assembly for TBC Protection Improvement9/22/2015
1 en Engine - Compressor Rotor Assembly - Rotating CDP Seal Serrations Coating Replacement8/21/2015
2 en Engine - LPT - Stage 3 and 4 Nozzles - Replacement8/31/2016
1 en Engine - Forward Engine Mount - Inspection6/17/2009
1 en Engine - General - CF6-80A Stage 2 HPTR Disk Ultrasonic Inspection10/19/2017
2 en Engine - General - CF6-80A Stage 2 HPTR Disk Ultrasonic Inspection5/29/2019
3 en Engine - General - CF6-80A Stage 2 HPTR Disk Ultrasonic Inspection3/19/2021
2 en Engine - Fan Mid Shaft - Introduction of Improved Fan Mid Shaft Assembly, Mid Fan Duct Assembly, No. 6 Bearing Plug and Retaining Ring1/11/1993
2 en Engine - Stages 11-14 High Pressure Compressor (HPCR) Spool On-Wing Borescope Inspection10/18/1989
2 en Engine - High-Pressure Compressor Rotor - Ultrasonic Inspection of Stage 11-14 Spool-Shaft Inertia Weld6/20/1990
2 en Engine - Stages 11-14 High Pressure Compressor (HPCR) Spool On Wing Inspection6/14/1989
1 en Engine - High Pressure Turbine - Stage 1 Blade and Shroud Inspection9/21/1990
1 en Engine - High Pressure Turbine Nozzle - Stage 1 Shroud Cooling Improvement12/11/1990
2 en Engine - High-Pressure Compressor Rotor - Ultrasonic Inspection of HPCR Stage 11-14 Spool-Shaft Inertia Weld5/18/1990
1 en Engine - High Pressure Turbine Rotor - Thermal Shield Inspection10/10/1991
4 en Engine - High Pressure Compressor Rotor - Stage 3-9 Spools Immersion-Ultrasonic and Eddy Current Inspection9/15/1993
3 en Engine - High Pressure Compressor Rotor - Stage 3-9 Spools Immersion-Ultrasonic and Eddy Current Inspection7/24/1991
2 en Engine - On-Wing Eddy Current Inspection of Compressor Rear Frame Midflange3/19/1992
1 en Engine - High Pressure Turbine Rotor - Thermal Shield Inspection10/10/1991
3 en Engine - HPTR - Eddy Current Inspection of the Stage 1 Disk Rim Bolt Holes4/8/1993
en Engine - HPTR - Eddy Current Inspection of Stage 1 Disk/Shaft12/20/1991
1 en Engine - HPTR - Stage 1 Disk Rim Bolt Hole Eddy Current Inspection9/8/1992
en Engine - Center Vent Tube Extension7/15/1993
1 en Engine - Center Vent Tube - New Flame Arrestor1/11/1993
en Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection11/6/1995
en Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection11/6/1995
1 en Engine - Lower Aft Mount - Rear Right Hand Mount Link Assembly - Inspection5/2/1996
en Engine - No. 1, 2, and 3 Bearing Areas Fan Module - Shop Inspection for Correct No. 3 Bearing Packing6/30/2011
en Engine - Fan Module - CF6-80C2 Borescope Inspection for No. 3 Bearing Packing Flow Acceptability12/16/2011
1 en Engine - General - CF6-80C2 Stage 1 and Stage 2 HPTR Disk Ultrasonic Inspection7/28/2017
3 en Engine - General - CF6-80C2 Stage 1 and Stage 2 HPTR Disk Ultrasonic Inspection1/10/2018
4 en Engine - General - CF6-80C2 Stage 1 and Stage 2 HPTR Disk Ultrasonic Inspection5/29/2019
5 en Engine - General - CF6-80C2 Stage 1 and Stage 2 HPTR Disk Ultrasonic Inspection3/19/2021
1 en Engine - Fuel Manifold and Drains - HMU/MEC Idler Adapter Inspection8/16/2019
en Engine - Engine Assembly - MCD Field Inspection Recommendation8/25/2023
3 en Alert Engine - High Pressure Compressor Rotor Assembly - Web and Transition Immersion Ultrasonic and Eddy Current Inspection8/3/2000
3 en Alert Engine - High Pressure Compressor Rotor Assembly - Web and Transition Immersion Ultrasonic and Eddy Current Inspection10/28/1999
1 en Alert Engine - HPCR Assembly - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection10/28/1999
3 en Alert Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection11/12/1999
3 en Alert Engine - High Pressure Compressor Rotor Stage 3-9 Spool - Web and Transition Immersion Ultrasonic and Eddy Current Inspection10/28/1999
2 en Alert Engine - HPCR Assembly - Stage 3-9 Spool - Inspection of Stages 3-5 Dovetail Slots10/28/1999
2 en Alert Engine - High Pressure Compressor Rotor - Stage 3-9 Spool Ultrasonic and Eddy Current Inspection10/28/1999
4 en Alert Engine - High Pressure Compressor Rotor Assembly - Web and Transition Immersion Ultrasonic arid Eddy Current Inspection11/12/1999
5 en Alert Engine - High Pressure Compressor Rotor Assembly - Web and Transition Immersion Ultrasonic arid Eddy Current Inspection8/3/2000
1 en Alert Engine - HPCR Assembly - Stage 3-9 Spool Inspection - Stages 3-5 Dovetail Slots10/28/1999
1 en Alert Engine - Aft Engine Mount - Links - Visual Inspections11/12/1999
2 en Alert Engine - Aft Engine Mount - Links - Visual Inspections1/24/2000
en Alert Engine - Aft Engine Mount - Link Design Improvement1/19/2000
4 en Alert Engine - Fan Rotor Assembly - Immersion-Ultrasonic Inspection of Older Material Stage 1 Fan Disk6/9/1998
5 en Alert Engine - Fan Rotor Assembly - Immersion-Ultrasonic Inspection of Older Material Stage 1 Fan Disk6/9/1998
en Alert Engine - HPCR - Replacement of Ten Stage 3-9 Spools10/17/1997
en Alert Engine - Aft Engine Mount - Links - Visual Inspections4/16/1999
4 en Engine Fuel and Control - Fuel Manifold Inspection and Clamp Replacement12/23/2009
1 en Engine Fuel and Control - Fuel System - Inspection of Block Clamps and Epoxy Wear Sleeve/PTFE Coated Para-Aramid Tape Areas in Fuel Manifolds7/2/2013
2 en Engine Fuel and Control - HMU - HMU EHSV Overhaul8/15/2019
1 en Fuel and Control - Spray Shields and Support Bracket - Improvement3/29/2007
4 en Engine - Fuel and Control - Fuel Manifold Inspection and Clamp Replacement12/23/2009
1 en Engine Fuel and Control - Fuel System - Inspection of Block Clamps and Epoxy Wear Sleeve/PTFE Coated Para-Aramid Tape Areas in Fuel Manifolds5/29/2014
2 en Engine Fuel and Control - HMU - HMU EHSV Overhaul8/15/2019
3 en Engine - Fuel And Control - Fuel Manifold Support Bracket Replacement4/3/1990
2 en Fuel and Control - New Fuel Manifolds With Radiographic Inspection2/4/1991
1 en Fuel and Control - Fuel Manifold Leak Inspection2/5/1991
3 en Alert Engine Fuel and Control - Flowmeter to IDG Cooler Fuel Tube8/1/2001
1 en Alert Engine Fuel and Control - Fuel Tubes - Swivel Retaining Tube Flanges5/3/1999
2 en Alert Engine Fuel and Control - Fuel Tubes - Swivel Retaining Tube Flanges8/1/2001
en Alert Engine Fuel and Control - General - IDG Fuel-Oil Cooler Forward Flange Bracket and Spray Shield Replacement8/14/2012
2 en Alert Engine Fuel and Control - Flowmeter to IDG Cooler Fuel Tube7/9/1997
en Alert Fuel and Control - Accessory Gearbox - Idler Adapter Inspection9/18/1998
2 en Alert Fuel and Control - Accessory Gearbox - Idler Adapter Inspection11/18/1998
en Alert Engine - High Pressure Turbine Rotor - Stage 1 Disk Embossment Inspection and Repair6/11/1986
1 en Alert Engine - Accessory Drive Compartment- Addition of Fire Shields to Accessory Compartment5/24/1988
en Alert Engine - Fuel and Control - Fuel Manifold Leak Inspection/Replacement8/3/1988
1 en Alert Engine - Fuel and Control - Fuel Manifold Leak Inspection/Replacement1/25/1989
Service Bulletins: CF700
NameRevisionLangSubjectDate
en Engine - Fan Section - Introduction of Enhanced Fan Blade Guard12/20/1996
en Alert Engine - Turbine Section - Inspection of Stage 1 Turbine Wheel Forward and Aft Rabbet Radii7/23/1969
en Alert Engine - Turbine Section - Inspection of Stage 2 Turbine Wheel Forward Rabbet Radius7/23/1960
1 en Alert Engine - Aft Fan Section - Inspection of Turbine Airfoil of Certain Fan Blades, P/N 6002T57P01, for Cracks12/23/1975
1 en Alert Engine - Accessory Drive Section - Horizontal Drive Shaft - Inspection for Alignment, Spline Wear and Oil Jet Obstruction12/4/1975
en Alert Engine - Compressor Section - Stage 1, 6 and 7 Compressor Rotor Disc Inspection3/8/1978
en Alert Engine - Turbine Section - Stage 1 and 2 Turbine Wheel Replacement2/3/1980
en Alert Engine - Turbine Section - Stage 1 Turbine Wheel Life Limit8/30/1983
en Alert Engine - Turbine Section - Replacement of Turbine Torque Rings and Compressor Driveshafts5/22/1997
Service Bulletins: CJ610
NameRevisionLangSubjectDate
en Alert Engine - Turbine Section - Inspection of Stage 1 Turbine Wheel Forward and Aft Rabbet Radii7/23/1969
en Alert Engine - Turbine Section - Inspection of Stage 2 Turbine Wheel Forward Rabbet Radius7/23/1969
1 en Alert Engine - Accessory Drive Section - Horizontal Drive Shaft - Inspection for Alignment, Spline Wear and Oil Jet Obstruction12/4/1975
en Alert Engine - Turbine Section - Stage 1 and 2 Turbine Wheel Replacement2/3/1980
en Alert Engine - Turbine Section - Stage 1 Turbine Wheel Life Limit8/30/1983
en Alert Engine - Turbine Section - Replacement of Turbine Torque Rings and Compressor Driveshafts5/22/1997
Service Bulletins: CT58
NameRevisionLangSubjectDate
en Engine - Power Turbine Accessory Drive Assembly - Introduction of Alternate Chip Detector PN 3049T42P01 to Power Turbine Accessory Drive Assembly5/1/2003
2 en Engine - Compressor and Turbine Section - Inspection of Life Limited Rotating Parts7/15/1997
1 en Engine - Turbine Section - Replacement of Stage 1 and Stage 2 Forward Cooling Plates and Stage 2 Aft Cooling Plate7/15/1997
16 en Alert Engine - Service Life Limits for Rotating Parts1/7/2015
en Engine - Compressor Rotor Assembly - Replacement of Stage 1 Compressor Disks with Non-Conforming Slots7/24/2003
2 en Alert Engine - Turbine Section - Inspection of Stage 1 and Stage 2 Turbine Wheels8/31/1993
7 en Alert Engine - Service Life Limits for Rotating Parts4/25/1997
Service Bulletins: CT7
NameRevisionLangSubjectDate
1 en Engine - Introduction of Accessory Gearbox Assembly Axis-A Oil Slinger Nut4/28/2011
en Engine - Compressor Rotor Assembly - CT7-9B Centrifugal Compressor Impeller P/N 5123T51P02 Replacement Field Program6/16/2016
1 en Engine - Propeller Gearbox - Introduction of Ultrasonic Inspection for PGB Main Propeller Shaft11/18/2021
1 en Engine - Hot Section Module - Eddy Current Inspection of Stage 1 and Stage 2 Gas Generator Turbine Disks12/11/1996
en Engine - Hot Section Module - Stage 2 Turbine Aft Cooling Plate Field Management Plan6/11/2003
en Alert Engine - Power Turbine Module - Power Turbine Shaft/Torque Reference Tube Magnetic Insert Braze Inspection2/26/2024
1 en Alert Engine - Power Turbine Module - Power Turbine Shaft/Torque Reference Tube Magnetic Insert Braze Inspection2/26/2024
1 en Engine - Cold Section Module - Re-Rigging Variable Geometry System from Schedule N1 to Schedule N4/8/2003
2 en Engine - Stages 1 and 2 Low-Stress Gas Generator Turbine Rotor Assembly - Eddy Current Inspection of Stage 2 Turbine Aft Cooling Plates P/N 6064T07P01/P02/P05 and P/N 6068T36P015/9/2003
en Alert Fuel System - Fuel System - Visual Inspection for Fuel Filter Differential Pressure Switch Cracks7/8/2011
en Alert Fuel System - Fuel System - Introduction of Fuel Filter Differential Pressure Switch Collar8/17/2011
en Electrical System - Yellow/Red Electrical Cable - Installation10/10/1986
en Electrical System - Improved Electrical Control Units for CT7-5A2/-5A3 and CT7-7A/-7A1 Engines3/22/1989
en Alert Engine - Hot Section Module - Reduced Life Limit for Some Gas Generator Turbine Rotor Assembly Parts Due to Certain Plasma-Spray Repairs9/10/1990
en Alert Engine - Hot Section Module - Reduced Life Limit for Some Gas Generator Turbine Rotor Assembly Parts Due to Certain Plasma-Spray Repairs9/10/1990
2 en Alert Engine - Hot Section Module - Identification and Inspection of Suspect Gas Generator Turbine Rotor Assembly Parts that May Have Been Inadvertently Shotpeened2/7/1991
2 en Alert Engine - Power Turbine Module - Identification and Inspection of Suspect Stage 3 and Stage 4 Turbine Disks that May Have Been Inadvertently Shotpeened2/7/1991
en Alert Engine - Hot Section Module - Identification and Removal of Gas Generator Turbine Rotor Parts that have Reduced Low Cycle Fatigue (LCF) Life Due to Certain Plasma-Spray Repairs8/31/1990
3 en Alert Engine - General - Recommended Inspection of Propeller Shafts for Possible Inclusions6/8/1994
en Alert Engine - Hot Section Module - Gas Generator Turbine Stage 2 Forward Cooling Plate Field Management Plan1/17/1996
en Alert Engine - Hot Section Module - Stage 1 and Stage 2 Gas Generator Turbine Disks - Field Management Plan11/26/1996
1 en Alert Engine - Hot Section Module - Stage 1 and Stage 2 Gas Generator Turbine Disks - Field Management Plan2/13/1997
Service Bulletins: GE90
NameRevisionLangSubjectDate
1 en Engine - High Pressure Compressor Rotor Assembly - Inspection of HPC Stages 2-5 Spool Seal Teeth5/11/2010
en Engine - High Pressure Compressor Rotor Assembly - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement8/14/2013
1 en Engine - High Pressure Compressor Rotor Assembly - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement2/5/2014
en Engine - HPT Stage 2 Nozzle - On-Wing Borescope - Inspection of Stage 1 HPT Stator Shrouds P/N 1847M52P1611/15/2012
1 en Engine - HPT Stage 2 Nozzle - On-Wing Borescope - Inspection of Stage 1 HPT Stator Shrouds P/N 1847M52P164/1/2013
1 en High Pressure Compressor Rotor Assembly - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement2/18/2016
1 en Engine - High Pressure Compressor Rotor Assembly - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement2/16/2018
en Engine - Combustor Diffuser Assembly - Removal of Combustion Cases from Service5/4/2018
4 en Engine - Combustor Diffuser Assembly - Removal of Combustion Cases from Service7/30/2018
en Engine - Combustor Diffuser Assembly - Removal of Combustion Cases from Service8/10/2018
en Engine - HPT Rotor Assembly - On-Wing Ultrasonic Inspection of Interstage HPT Rotor Seal1/17/2020
en Engine - HPT Rotor Assembly - HPT Rotor Stage 2 Disk Immersion Ultrasonic Inspection1/31/2020
1 en Engine - Transfer Gearbox Assembly - TGB Radial Gearshaft Inspection4/28/2021
en Engine - Compressor Rotor Assembly - Removal of Compressor Rotor Stage 7-9 Spool from Service7/25/2022
en Engine - HP Turbine Rotor Assembly - Interstage HPT Rotor Seal Removal Plan7/7/2023
en Engine - General - Removal of HPT Rotor Stage 2 Disk, Compressor Rotor Stages 7-9 Spool and Forward HPT Rotor Seal from Service1/25/2023
1 en Engine - Combustor/Diffuser Assembly - Replace Combustor CDP Manifold4/29/1997
en Engine - Fan Stator Assembly - Visual Inspection of Forward Engine Mount Yoke2/28/1997
en Engine - Combustor/Diffuser Assembly - Compressor Discharge Pressure Manifold 1686M48G10/G11/G12 Borescope Inspection2/5/1997
en Engine - Fan Stator Assembly - Introduction of New Forward Engine Mount Yoke3/4/1997
3 en Engine - Accessory Gearbox - VSCF Spur Gearshaft Assembly Replacement4/15/1997
4 en Engine - Accessory Gearbox - Introduction of Accessory Gearbox with 3,500 lb in. (396 N.m) VSCF Spur Gearshaft Assembly4/17/1997
en Engine - Accessory Gearbox - New 4,500 lb in. VSCF Drive Spur Gearshaft Assembly with Managed Internal Radial Clearance4/14/1997
2 en Engine - High Pressure Compressor Rotor Assembly - Eddy Current Inspection of Stage 2-6 Spool Seal Teeth3/31/1998
en Engine - HPT Stage 2 Nozzle - On-Wing Borescope Inspection of Stage 1 HPT Stator Shrouds P/N 1847M52P1411/19/2012
3 en Engine - Stage 2 High Pressure Turbine Nozzle Assembly - HPT On-Wing Borescope Inspection2/14/2019
1 en Engine - Transfer Gearbox Assembly - TGB Radial Gearshaft Inspection4/28/2021
en Alert Engine - Engine Assembly - Reduction of Rotating Part Life Limits for GE90-76B Engines6/27/1997
2 en Alert Engine - High Pressure Compressor Rotor Assembly - On-Wing Eddy Current Inspection of Stage 2-6 Spool Spacer Arms4/21/1998
1 en Engine Fuel and Control - General - Inbound Check of ENG EEC C1 Maintenance Messages8/5/2020
1 en Engine Fuel and Control - Electronic Control Unit - Replacement of Integrated Circuit MN4 on Main Channel Boards4/27/2021
2 en Engine Fuel & Control - Electronic Control Unit - Replacement of Integrated Circuit MN4 on Main Channel Boards11/15/2024
en Engine Fuel and Control - FADEC - New Software Version 9.3.3.05/2/2018
en Alert Engine Fuel and Control - FADEC - Inspection and Water Removal from PS3 and P3B Lines12/23/1999
3 en Oil System - Oil System - Repair of Fuel/Oil Lube/Servo Coolers VIN UA541461-12 (P/N 1838M88P11) and VIN UA541461-14 (P/N 1838M88P13)8/5/2016
2 en Oil System - Oil System - Repair of Fuel/Oil Lube/Servo Coolers VIN UA541461-12 (P/N 1838M88P11) and VIN UA541461-14 (P/N 1838M88P13)8/5/2016
en Oil - Engine Assembly - Debris Monitoring System Check4/9/1997
Service Bulletins: GEnx
NameRevisionLangSubjectDate
1 en Engine - Mid Fan Shaft Assembly - Inspection of Mid Fan Shaft9/14/2012
2 en Engine - Mid Fan Shaft Assembly - Inspection of Mid Fan Shaft9/14/2012
1 en Time Limits - Life Limits of Engine Parts - Rotating Chapter 5 LLP Engine Data Sheet Update4/23/2013
en Engine - General - Fan Stator Module Assembly Rework for GENX-1B PIP2 Engines3/11/2016
en Engine - General - Fan Stator Module Assembly Clearance Increase for GENX-1B PIP2 Engines4/1/2016
en Engine - Fan Stator Module Assembly - Introduction of New Fan Stator Module Assembly6/29/2016
1 en Engine - GENX-1B/P2 HPT Rotor Assembly - Piece Part Inspection of Stage 1 Blade Retainer2/23/2017
1 en Engine - LPT Module - Introduction of Reworked Extension Duct8/21/2017
1 en Engine - High Pressure Turbine Rotor Assembly - HPT Stage 2 Disk Immersion Ultrasonic Inspection1/8/2020
2 en P1 HPC Rotor Assembly - Inspection of Stages 6-10 Compressor Rotor Spool Stages 6-8 Webs for Scratches11/5/2020
3 en Engine - HPT Stage 2 Nozzle Assembly - Removal of HPT Stator Case from Service6/29/2018
en Engine - Propulsor - Inspection of CDP Bolted Joint5/11/2021
en Engine - General - Removal of Forward Seal & Stages 6-10 Compressor Rotor Spool from Service1/31/2023
1 en Engine - HPC Rotor Assembly - Inspection of Stages 6-10 Compressor Rotor Spools6/10/2024
1 en Engine - P2 HPT Rotor Assembly - HPT Rotor Stage 2 Disk Immersion Ultrasonic Inspection1/6/2020
en Engine - General - Removal of HPT Stage 1 Disk & HPT Stage 2 Disk from Service4/15/2024
2 en P2 HPC Rotor Assembly - Inspection of Stages 6-10 Compressor Rotor Spool Stages 6-8 Webs11/5/2020
en Engine - Propulsor - Inspection of CDP Bolted Joint5/11/2021
en Engine - General - Removal of Forward Seal & Stages 6-10 Compressor Rotor Spool from Service1/31/2023
1 en Engine - HPC Rotor Assembly - Inspection of Stages 6-10 Compressor Rotor Spools6/10/2024
en Engine - General - Removal of HPT Rotor Stage 1 Disk & HPT Rotor Stage 2 Disk from Service4/15/2024
2 en Engine Fuel and Control - Fuel Nozzle Manifolds - Introduction of New Fuel Manifold System Hardware11/19/2015
2 en Engine Fuel and Control - Fuel Nozzle Manifolds - Introduction of New Fuel Manifold System Hardware11/19/2015
3 en Engine Fuel and Control - Fuel Nozzle Manifolds - Introduction of New Fuel Manifold System Hardware8/17/2018
en Engine Fuel and Control - Signal Fuel Manifolds - Visual Inspection of Fuel Manifold Units11/4/2016
en Engine Fuel and Control - Fuel Manifolds - Fuel Manifold Repair10/28/2016
en Engine Fuel and Control - Signal Fuel Manifolds - Fuel Manifold Replacement11/15/2016
1 en Engine Fuel and Control - Signal Fuel Manifolds - Outer Left-Side Fuel Signal Manifold and Cushioned Loop Clamp Replacement8/29/2019
1 en Engine Fuel and Control - Fuel Nozzle Manifolds - Top Main Fuel Manifold and Lower Fuel Manifold Inspection1/11/2021
en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards12/17/2020
1 en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards1/28/2021
2 en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards5/20/2021
3 en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards8/18/2021
en Engine Fuel & Control - Fuel Metering Unit - FMU Bypass Valve Plug Clearance Inspection12/3/2021
en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards12/17/2020
1 en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards1/29/2021
2 en Engine Fuel & Control - Electronic Engine Control - Replacement of Integrated Circuit MN4 on Main Channel Boards5/17/2021
en Engine Fuel & Control - General - Introduction of New Fuel-Hydraulic Lines2/28/2022
en Engine Fuel & Control - Fuel Metering Unit - FMU Bypass Valve Plug Clearance Inspection12/3/2021
en Air - Booster Anti-Ice Valve - Inspection of Booster Anti-Ice Air Duct7/23/2012
2 en Air - Booster Anti-Ice Valve - Introduction of Booster Anti-Ice Air Duct Support Brackets5/30/2013
1 en Oil - Oil Tank - Replacement of Ball Valve in Filler Cap P/N 2349M62G015/13/2015
Service Bulletins: H Series
NameRevisionLangSubjectDate
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
en Alert Fuel Control Unit (FCU) P/N LUN 6590.07-8 Functional Check and Replacement in Single Engine Applications2/6/2020
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
en Alert Introduction of New Models of Propeller Governor P-W11-4 & P-W11-5 & Instruction for Replacement of Propeller Governors P-W11-1 with P-W11-4 & P-W11-2 with P-W11-5 for Single Engine Applications8/11/2022
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
en Alert Fuel Control Unit (FCU) P/N LUN 6590.07-8 Functional Check and Replacement in Single Engine Applications2/6/2020
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
2 en Inspection and Adjustment of Engine Push-Pull Control P/N M601-76.3 and Replacement of Current P-S-2 Beta Switch by a New P-S-2A Beta Switch3/29/2018
3 en Inspection and Adjustment of Engine Push-Pull Control P/N M601-76.3 and Replacement of Current P-S-2 Beta Switch by a New P-S-2A Beta Switch4/12/2019
4 en Alert Replacement and Inspection of Push-Pull Control System5/8/2020
1 en Alert Procedure for Adjustment of Push-Pull Control P/N M601-76.34/12/2019
en Alert Introduction of New Models of Propeller Governor P-W11-4 & P-W11-5 & Instruction for Replacement of Propeller Governors P-W11-1 with P-W11-4 & P-W11-2 with P-W11-5 for Single Engine Applications8/11/2022
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
1 en Alert Procedure for Adjustment of Push-Pull Control P/N M601-76.34/12/2019
4 en Alert Replacement and Inspection of Push-Pull Control System5/8/2020
en Alert Introduction of New Models of Propeller Governor P-W11-4 & P-W11-5 & Instruction for Replacement of Propeller Governors P-W11-1 with P-W11-4 & P-W11-2 with P-W11-5 for Single Engine Applications h858/11/2022
Service Bulletins: M601
NameRevisionLangSubjectDate
en Alert Engine - Compressor - Centrifugal Compressor Case Inspection2/2/2024
en Alert Power Turbine (PT) Disc Inspection in Accordance with M601E Overhaul Manual and M601 Engine Appropriate Maintenance Manuals1/21/2016
en Mandatory Replacement of M601-264.7 Combustion Chamber Inner Liner3/17/2003
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Mandatory Replacement of M601-264.7 Combustion Chamber Inner Liner3/17/2003
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of New Formula and Re-Evaluation of Consumed Equivalent Flight Cycles on Critical Parts5/7/2021
2 en Alert Propeller Shaft Serviceable Life Evaluation and Limitation5/31/2021
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
2 en Alert Power Turbine (PT) Disc P/N M601-3220.5 Inspection and PT Discs P/N M601-3220.6, M601-3220.7 Replacement6/11/2019
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
en Mandatory Replacement of M601-264.7 Combustion Chamber Inner Liner3/17/2003
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Mandatory Replacement of M601-264.7 Combustion Chamber Inner Liner3/17/2003
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of New Formula and Re-Evaluation of Consumed Equivalent Flight Cycles on Critical Parts5/7/2021
2 en Alert Propeller Shaft Serviceable Life Evaluation and Limitation5/31/2021
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
2 en Alert Centrifugal Compressor Case P/N M601-154.61 Serviceable Life Evaluation and Limitation 1/17/2023
1 en Alert Serviceable Life Evaluation and Limitation of Compressor Case M601-154.51 and M601-154.6; and Compressor Drums M601-130.7 and M601-134.7 Installed in M601 engines10/15/2021
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
2 en Alert Power Turbine (PT) Disc P/N M601-3220.5 Inspection and PT Discs P/N M601-3220.6, M601-3220.7 Replacement6/11/2019
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
en Alert Introduction of New Models of Propeller Governor P-W11-4 & P-W11-5 & Instruction for Replacement of Propeller Governors P-W11-1 with P-W11-4 & P-W11-2 with P-W11-5 for Single Engine Applications8/11/2022
en Mandatory Replacement of M601-264.7 Combustion Chamber Inner Liner3/17/2003
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of New Formula and Re-Evaluation of Consumed Equivalent Flight Cycles on Critical Parts5/7/2021
2 en Alert Propeller Shaft Serviceable Life Evaluation and Limitation5/31/2021
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Serviceable Life Evaluation and Limitation of Compressor Case M601-154.51 and M601-154.6; and Compressor Drums M601-130.7 and M601-134.7 Installed in M601 Engines10/15/2021
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
2 en Alert Power Turbine (PT) Disc P/N M601-3220.5 Inspection and PT Discs P/N M601-3220.6, M601-3220.7 Replacement6/11/2019
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
en Alert Introduction of New Models of Propeller Governor P-W11-4 & P-W11-5 & Instruction for Replacement of Propeller Governors P-W11-1 with P-W11-4 & P-W11-2 with P-W11-5 for Single Engine Applications8/11/2022
2 en Alert Inspection of M601 Reduction Gearbox and Supporting Cone in Accordance with M601 Reduction Gearbox and Supporting Cone Inspection Procedure and Appropriate Maintenance Manuals1/23/2015
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
2 en Alert Power Turbine (PT) Disc P/N M601-3220.5 Inspection and PT Discs P/N M601-3220.6, M601-3220.7 Replacement6/11/2019
1 en Alert Fuel Control Unit (FCU) Replacement Due to Quality Escape of Fuel Metering Valve9/24/2020
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
2 en Alert Outlet System Hardware Replacement6/12/2017
3 en Alert Outlet System Hardware Replacement7/24/2018
en Alert Introduction of New Formula and Re-Evaluation of Consumed Equivalent Flight Cycles on Critical Parts5/7/2021
2 en Alert Propeller Shaft Serviceable Life Evaluation and Limitation5/31/2021
en Alert Introduction of Propeller Shaft Complete as a Critical Part and Update of Engine Records12/15/2022
1 en Alert Recurrent Inspection of Outer Liner Dilution Tubes in Single Engine Aircraft2/16/2022
2 en Alert Power Turbine (PT) Disc P/N M601-3220.5 Inspection and PT Discs P/N M601-3220.6, M601-3220.7 Replacement6/11/2019
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
en Alert Cancelation of Further Use of M601 Non-Shot Peened Gas Generator Turbine Blades12/23/2014
Service Bulletins: Mikron IIIA
NameRevisionLangSubjectDate
en a) Elimination of Damage to Rocker Arm Cover Due to Warpage from Excessive Torque; b) Addition of Inspection of Fuel Pump Oil Level, Previously Omitted7/31/1993
Service Bulletins: Miscellaneous Parts
NameRevisionLangSubjectDate
en Fuel Boost Pump, P/N 31760-1 - Modification to P/N 31760-33/4/2011
Service Bulletins: Passport20
NameRevisionLangSubjectDate
Iss 2 en Engine - High Pressure Turbine - Stage 1 Disk - Removal from Service8/13/2021
en Engine - General - Fuel Manifolds Coupling Nuts Re-Torque for Containment Action5/11/2022
Service Information Letters
NameRevisionLangSubjectDate
1 en Sale of Fuel Management Business from GE Aviation Systems to Ontic Engineering & Manufacturing UK4/30/2011
Service Memos: CF6-6
NameRevisionLangSubjectDate
2 en Immersion Ultrasonic Inspection of Stage 1 Fan Disk10/5/1989
Standard Practice Manuals
NameRevisionLangSubjectDate
106 en Spot-Fluorescent-Penetrant Inspection4/1/2017
Temporary Revisions: CF6-50
NameRevisionLangSubjectDate
en Shop Manual: Task Numbered, GEK 5048111/3/1995