# GE CF6-50C2B

- Type: Engine model (FAA registry)
- Registry code: 30090
- Manufacturer (registry): GE
- Model: CF6-50C2B
- Engine type: Turbo-fan
- Power: 53,200 lb thrust
- Data sheet: [TCDS E23EA](https://openairdocs.org/tcds/E23EA) (OpenAirDocs)
- Holder: General Electric Company
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/ge-cf6-50c2b

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-04-11](https://openairdocs.org/ad/2023-04-11): Turbine Section · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Apr 28, 2023
- [AD 2011-23-04](https://openairdocs.org/ad/2011-23-04): Forward engine mount assembly side links · General Electric CF6-45A, CF6-45A2, CF6-50A and 14 more. Effective Dec 12, 2011
- [AD 2011-07-01](https://openairdocs.org/ad/2011-07-01): Forward and aft centerbodies · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Apr 22, 2011
- [AD 2008-02-17](https://openairdocs.org/ad/2008-02-17): Thrust reverser actuation systems · General Electric CF6-50A, CF6-50C, CF6-50C1 and 16 more. Effective Feb 28, 2008
- [AD 2007-19-06](https://openairdocs.org/ad/2007-19-06): Compressor discharge pressure (CDP) · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Oct 23, 2007
- [AD 2005-26-06](https://openairdocs.org/ad/2005-26-06): Low pressure turbine (LPT) stage 2 interstage seal assemblies · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Jan 26, 2006
- [AD 2005-07-05](https://openairdocs.org/ad/2005-07-05): Low pressure turbine (LPT) · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective May 4, 2005
- [AD 2005-08-04](https://openairdocs.org/ad/2005-08-04): Low-cycle-fatigue (LCF) · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Apr 28, 2005
- [AD 2003-09-06](https://openairdocs.org/ad/2003-09-06): Low pressure turbine (LPT) · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more. Effective Jun 3, 2003
- [AD 2003-02-07](https://openairdocs.org/ad/2003-02-07): Low pressure turbine (LPT) shrouds · General Electric CF6-50A, CF6-50C, CF6-50C1 and 30 more. Effective Mar 3, 2003
- [AD 2002-25-08](https://openairdocs.org/ad/2002-25-08): High pressure compressor rotor · General Electric CF6-45A, CF6-45A2, CF6-50A and 40 more. Effective Jan 23, 2003
- [AD 2002-05-03](https://openairdocs.org/ad/2002-05-03): Life-Limited Rotating Parts · General Electric CF6-45A, CF6-45A2, CF6-50A and 15 more. Effective Apr 12, 2002
- [AD 2002-02-09](https://openairdocs.org/ad/2002-02-09): Low Pressure Turbine Rotor (LPTR) Stage 2 Disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Mar 15, 2002
- [AD 2001-12-20](https://openairdocs.org/ad/2001-12-20): Air Ducts and Reworked Mating Hardware · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more. Effective Jul 26, 2001
- [AD 2001-04-16](https://openairdocs.org/ad/2001-04-16): Low Pressure Turbine (LPT) Nozzle Lock Assembly Studs · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more. Effective Mar 21, 2001
- [AD 2000-11-12](https://openairdocs.org/ad/2000-11-12): High Pressure Compressor Disk Lock Slots · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Aug 14, 2000
- [AD 98-22-06](https://openairdocs.org/ad/98-22-06): Fan Disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 41 more. Effective Nov 23, 1998
- [AD 97-22-14](https://openairdocs.org/ad/97-22-14): (HPCR) 3-9 Spool · General Electric CF6-50A, CF6-50C, CF6-50C1 and 29 more. Effective Nov 17, 1997
- [AD 95-08-03](https://openairdocs.org/ad/95-08-03): High Pressure Turbine Rotor Stage 2 Disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Jun 12, 1995
- [AD 91-10-03 R1](https://openairdocs.org/ad/91-10-03-R1): High Pressure Compressor · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Apr 28, 1995
- [AD 94-08-05](https://openairdocs.org/ad/94-08-05): Fan Stator Case · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Jul 5, 1994
- [AD 94-09-18](https://openairdocs.org/ad/94-09-18): High Pressure Turbine Disk · General Electric CF6-45A, CF6-45A2, CF6-50A and 15 more. Effective Jun 6, 1994
- [AD 93-14-18](https://openairdocs.org/ad/93-14-18): High pressure turbine (HPT) thermal shields · General Electric CF6-45A, CF6-45A2, CF6-50A and 40 more. Effective Oct 4, 1993
- [AD 93-13-10](https://openairdocs.org/ad/93-13-10): Compressor Spools · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Sep 21, 1993
- [AD 91-23-13](https://openairdocs.org/ad/91-23-13): Fan Disks · General Electric CF6-50A, CF6-50C, CF6-50C1 and 12 more. Effective Nov 22, 1991
- [AD 91-15-16](https://openairdocs.org/ad/91-15-16): High Pressure Turbine Thermal Shields · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Sep 4, 1991
- [AD 91-01-04](https://openairdocs.org/ad/91-01-04): Fan Disk · General Electric CF6-45A, CF6-45A2, CF6-50A and 19 more. Effective Jan 22, 1991
- [AD 90-23-15](https://openairdocs.org/ad/90-23-15): Turbine Mid-frame · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Dec 6, 1990
- [AD 90-19-09](https://openairdocs.org/ad/90-19-09): High Pressure Turbine Stage One Disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Oct 1, 1990
- [AD 90-12-06](https://openairdocs.org/ad/90-12-06): Low Pressure Turbine · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Jun 25, 1990
- [AD 89-01-02](https://openairdocs.org/ad/89-01-02): High Pressure Turbine Stage 2 Disks · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more. Effective Dec 29, 1988
- [AD 87-23-06](https://openairdocs.org/ad/87-23-06): High Pressure Turbine Impeller Spacer · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Nov 5, 1987
- [AD 86-12-03](https://openairdocs.org/ad/86-12-03): High Pressure Turbine Rotor (HPTR) Stage 1 Disk · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Jun 29, 1986
- [AD 84-01-01](https://openairdocs.org/ad/84-01-01): Compressor Assemblies · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Feb 10, 1984
- [AD 82-25-08](https://openairdocs.org/ad/82-25-08): HPT Spacer/Impeller · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Dec 30, 1982
- [AD 82-20-03](https://openairdocs.org/ad/82-20-03): Inspect First Stage HPT Disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Oct 31, 1982
- [AD 85-25-56 R1](https://openairdocs.org/ad/85-25-56-R1): Seventh Stage Low Pressure Turbine (LPT) Cooling Air Manifold Tube · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more
- [AD 79-13-09](https://openairdocs.org/ad/79-13-09): Compressor Rotor Spools · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more

Historical (superseded or no longer in force):

- [AD 2012-02-07](https://openairdocs.org/ad/2012-02-07) (historical): LPT rotor stage 3 disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Mar 6, 2012
- [AD 2011-18-01](https://openairdocs.org/ad/2011-18-01) (historical): LPT rotor stage 3 disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 9 more. Effective Sep 26, 2011
- [AD 2011-02-07](https://openairdocs.org/ad/2011-02-07) (historical): Rotor · General Electric CF6-45A, CF6-45A2, CF6-50A and 9 more. Effective Feb 22, 2011
- [AD 2010-12-10](https://openairdocs.org/ad/2010-12-10) (historical): High-pressure turbine (HPT) · General Electric CF6-45A, CF6-45A2, CF6-50A and 9 more. Effective Jun 24, 2010
- [AD 2010-06-15](https://openairdocs.org/ad/2010-06-15) (historical): Low-pressure turbine (LPT) stage 3 disks · General Electric CF6-45A, CF6-45A2, CF6-50A and 9 more. Effective Apr 1, 2010
- [AD 2009-04-17](https://openairdocs.org/ad/2009-04-17) (historical): Long fixed core exhaust nozzle (LFCEN) assembly · General Electric CF6-45A, CF6-45A2, CF6-50A and 10 more. Effective Apr 2, 2009
- [AD 2007-11-18](https://openairdocs.org/ad/2007-11-18) (historical): Forward fan stator cases · General Electric CF6-50C, CF6-50C1, CF6-50C2 and 1 more. Effective Jul 5, 2007
- [AD 2006-12-24](https://openairdocs.org/ad/2006-12-24) (historical): Five-link forward mount assembly · General Electric CF6-45A, CF6-45A2, CF6-50A and 14 more. Effective Jul 21, 2006
- [AD 2000-20-02](https://openairdocs.org/ad/2000-20-02) (historical): Turbine Nozzle Lock Assemblies · General Electric CF6-50A, CF6-50C, CF6-50C1 and 8 more. Effective Oct 17, 2000
- [AD 2000-16-12](https://openairdocs.org/ad/2000-16-12) (historical): High Pressure Compressor Rotor Stage 3-9 Spools · General Electric CF6-45A, CF6-45A2, CF6-50A and 39 more. Effective Sep 5, 2000
- [AD 99-24-15](https://openairdocs.org/ad/99-24-15) (historical): High Pressure Compressor Rotor (HPCR) Stage 3-9 Spools · General Electric CF6-45A, CF6-45A2, CF6-50A and 39 more. Effective Jan 28, 2000
- [AD 99-08-18](https://openairdocs.org/ad/99-08-18) (historical): General Electric CF6-45A, CF6-45A2, CF6-50A and 15 more. Effective May 13, 1999

## Registered aircraft

None registered with this engine model now.

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (34)

As reported by operators and repair stations, by the model named in the report.

- [SDR USAA2012013000027](https://openairdocs.org/sdr/USAA2012013000027), Jan 28, 2012: WIRE HARNESS. CHAFED. PHL FLT 1526 EN ROUTE CLT TO PHL. R ENG WILL NOT ATTAIN CLB THRUST FROM APPROX FL260 AND HIGHER WITH THRUST LEVER FULL FWD TRAVEL. N1 APPROX 1 PERCENT BELOW CLB
- [SDR CNMA20100024](https://openairdocs.org/sdr/CNMA20100024), May 14, 2010: DUCT. BLOWN. NR 1 ENGINE FIRE WARNING DURING CLIMB OUT AT 13000 FT. N1'S 103.5. FIRE WARNING EXTINGUISHED WHEN THROTTLE WAS RETARDED. COMPLIED WITH QRH 4-1-1-1. INSP NR 1 EN
- [SDR CNMA20100019](https://openairdocs.org/sdr/CNMA20100019), May 8, 2010: DECODER. FAILED. F/A'S BROUGHT TO ATTENTION OF COCKPIT THAT IF READING LIGHTS, CALL LIGHTS AND AUDIO INOP IN B ZONE MAY EFFECT O2 GENERATORS, MAINT CONTROL CONFIRMED RETURNED TO
- [SDR CNMA20090013](https://openairdocs.org/sdr/CNMA20090013), Jun 28, 2009: SCAVENGE PUMP. LEAKING. 40 MINUTES INTO FLIGHT, NR 1 ENG OIL QTY WAS OBSERVED TO BE AT 4 QTS AND STEADILY DECREASING TO 0. OIL TEMP WAS AT 155 AND INCREASED TO 165. OIL PRESS WAS AT 45
- [SDR AMTA200800243](https://openairdocs.org/sdr/AMTA200800243), Mar 27, 2008: CONNECTOR. DAMAGED. ISLE EGRESS LIGHT AT SEAT 22JH INOPERATIVE. REPINNED 1 SOCKET IN CONNECTOR ON SEAT 22JH FLOOR PATH MARKING LIGHT WIRE HARNESS IAW WDM STANDARD PRACTICES CH 20, 
- [SDR AMTA200800221](https://openairdocs.org/sdr/AMTA200800221), Mar 12, 2008: FUSE. BLOWN. EMERGENCY EGRESS LIGHTING INOPERATIVE, ROWS 21-29, BOTH SIDES. T/S IAW TAFI 33-50-00. CMM 33-21-70. FOUND FUSE BLOWN, EMERGENCY LIGHT PACK. REPLACED FUSE IAW CM
- [SDR AMTA200800204](https://openairdocs.org/sdr/AMTA200800204), Mar 3, 2008: BATTERY. UNSERVICEABLE. IAW L/S CHECK, ITEM 9D EMERGENCY LIGHT TEST GREEN LIGHT DOES NOT ILLUMINATE. BATT PACK TEST SWITCH USED, MID CABIN DISPLAYED. REMOVED AND REPLACED POWER FAILURE
- [SDR CLCA2007F0003](https://openairdocs.org/sdr/CLCA2007F0003), Aug 18, 2007: DUCT. DAMAGED. ON T/O NR 3 ENGINE EGT WENT TO 987 DEG WITH FIRE WARNING, RETARDED TLT WARNING GOES OUT 15 SEC. FOUND T/R TUBE ASSY AFT AIR SUPPLY DUCT DAMAGED. REMOVED AND REP
- [SDR AMTA200700236](https://openairdocs.org/sdr/AMTA200700236), May 16, 2007: SLIDE. NO TEST. L-3 DOOR SLIDE FAILED TO DEPLOY ON TEST (AUTO AND MANUAL). REINSTALLED SLIDE SN CC213 FOR EVACUATION TEST IAW AMM-25-61-01. (K)
- [SDR CLCA2007F0002](https://openairdocs.org/sdr/CLCA2007F0002), May 1, 2007: CLAMP. WORN. AT APPROX 6000 FT NR 2 ENGINE FIRE INDICATION. FOUND CLAMP TO PRECOOLER MANIFOLD WORN.
- [SDR CNMA20070004](https://openairdocs.org/sdr/CNMA20070004), Jan 25, 2007: BOTTLE. EMPTY. NR 3 LT DOOR FAILED TO OPEN PNEUMATICALLY IN EMERGENCY OPERATION CHECK. NR3 LT DOOR EMERGENCY PNEUMATIC STORAGE BOTTLE REPLACED IAW MM 52-17-06.
- [SDR CNMA20070001](https://openairdocs.org/sdr/CNMA20070001), Jan 3, 2007: COMPRESSOR. DAMAGED. NR 2 ENGINE FAILED ON TAKEOFF ROLL AT 70KTS TAKEOFF ABORTED. N1 WAS 103.0 EGT PEGGED. RAN ENGINE FIRE SEVERE DAMAGE CHECK LIST NO FIRE. R & R NR 2 ENGINE IAW 10
- [SDR CNMA20060033](https://openairdocs.org/sdr/CNMA20060033), Dec 19, 2006: BATTERY. INOPERATIVE. DURING PRE-FLIGHT F/E ADVISED THAT EMERGENCY LIGHT TEST DOES NOT TEST. REPLACED POWER SUPPLY AND BATTERY ALSO LIGHT ASSY ON RT DOOR 1 IAW MM 33-51.
- [SDR CNMA20060026](https://openairdocs.org/sdr/CNMA20060026), Oct 10, 2006: RESISTOR. FAILED. DURING PAX LOADING SMOKE AND ELECTRICAL FUMES NOTED BY CREW, BY L-4 DOOR PA PNL. DE-PLANED ACFT, FIRE DEPT NOTIFIED. INSPECTED L-4 DOOR FLIGHT ATTENDANT PA PANE
- [SDR CNMA20060023](https://openairdocs.org/sdr/CNMA20060023), Aug 23, 2006: SEAL. CUT. ABOUT 1.5 HRS INTO FLIGHT NR3 ENG OIL PRESSURE WENT TO 10 PSI, NR3 ENG OIL QUANTITY WENT TO ZERO. PERFORMED PRECAUTIONARY ENG SHUTDOWN NR3 ENG. UPON INSPECTION 
- [SDR CNMA20060016](https://openairdocs.org/sdr/CNMA20060016), Jun 26, 2006: SLIDE. DAMAGED. R-3 EVAC SLIDE DAMAGED (PARTIALLY DEPLOYED FOUND BY MAINTENANCE DURING CHECK). REMOVED AND REPLACED R-3 EVACUATION SLIDE IAW MM 25-61. REPAIR SHOP EVALUATION IS
- [SDR CNMA20060010](https://openairdocs.org/sdr/CNMA20060010), May 15, 2006: ROTOR. DAMAGED. NR 3 ENGINE 3RD STAGE LPT ROTOR IS RUBBING ON 4TH STAGE ROTOR. REMOVED AND REPLACED ENGINE S/N 517720.
- [SDR 200600092](https://openairdocs.org/sdr/200600092), Apr 30, 2006: STRUCTURE. GROUND DAMAGE. DURING GROUND HANDLING, AIRCRAFT WAS STRUCK ON THE RT SIDE OF THE FUSELAGE, FWD OF THE AOA SENSOR AND BEHIND THE LOWER PITOT PROBE. CAUSED A DENT 12 INCHES LONG
- [SDR CNMA20060007](https://openairdocs.org/sdr/CNMA20060007), Apr 24, 2006: PUSH-PULL CABLE. BROKEN. DURING TAKEOFF ROLL NR 3 ENGINE WOULD NOT SPOOL UP. INDICATIONS DID NOT CHANGE NO MATTER THROTTLE POSITION. ENGINE REMAINED IN IDLE THRUST. ABORTED TAKEOFF AT 6
- [SDR 2005000013](https://openairdocs.org/sdr/2005000013), Aug 19, 2005: VALVE. MALFUNCTIONED. NR 2 PNEUMATIC TEMP HI LIGHT ILLUMINATED. ASSOCIATED PNEUMATIC TEMP INDICATOR WAS IN THE RED ZONE. REMOVED AND REPLACED NR 2 ENGINE FAN AIR VALVE IAW 36-13. PER
- [SDR 2005000012](https://openairdocs.org/sdr/2005000012), Jul 28, 2005: DECODER. FAULTY. ABOUT 3+15 INTO THE FLIGHT FA'S NOTICED SMOKE COMING FROM LT SIDE OF AIRCRAFT UPPER SIDE WALL ROWS 15-16-17 RAN PROCEDURE 4-8-1-1 CABIN LIGHTING SMOKE, FIRE AND
- [SDR 2005000011](https://openairdocs.org/sdr/2005000011), Jul 19, 2005: PUMP. FAILED. REJECTED TAKE OFF AT 80 KNOTS NR 2 ENGINE WILL NOT MAKE POWER ONLY WENT TO 110 PERCENT N1 LOWER THAN 1&3. CORRECTIVE ACTION REMOVED AND REPLACED THE FUEL PUMP A
- [SDR 2005000009](https://openairdocs.org/sdr/2005000009), Jul 11, 2005: PUMP. DEFECTIVE. NR 1 ENGINE WOULD NOT MAKE TAKEOFF POWER. REMOVED AND REPLACED MAIN ENGINE FUEL PUMP NR 1 ENG IAW 73-12. REMOVED AND REPLACED MAIN FUEL FILTER IAW 73-11. REMOVE
- [SDR 2005000008](https://openairdocs.org/sdr/2005000008), Jul 2, 2005: DUCT. RUPTURED. NR 2 ENGINE ON T/O LOST POWER FROM 111.5 PERCENT TO 92.1 PERCENT ENGINE FAIL LIGHT CAME ON ABORTED T/O DUE TO LOSS OF N1 POWER. INSPECTED NR 2 ENGINE FOUND 14TH
- [SDR 2005000003](https://openairdocs.org/sdr/2005000003), Apr 21, 2005: CLAMP. LOOSE. DURING CLIMB AT APPROXIMATELY 240 FT, NR 1 ENGINE A-LOOP LIGHT ILLUMINATED ACCOMPLISHED QRH PROCEDURES ALL OTHER ENGINE INDICATIONS NORMAL. UPON LEVEL OFF AT FL
- [SDR WLDA200496](https://openairdocs.org/sdr/WLDA200496), Oct 9, 2004: LEVER. STUCK. ON APPROACH, LANDING GEAR HANDLE WOULD NOT RELEASE. COMPLIED WITH ALTERNATE GEAR EXTENSION PROCEDURE AND COMPLETED NORMAL LANDING. CLEANED AND LUBED CABLES, CLE
- [SDR 0400651238](https://openairdocs.org/sdr/0400651238), May 2, 2004: FCU. MALFUNCTIONED. TAKEOFF WAS ABORTED AT 120 KTS WHEN THE NR 3 ENGINE FAILED TO REACH TAKEOFF TARGET NR 1. CREW ALSO REPORTED AN N2 EXCEEDANCE ON THE NR 3 ENGINE PRIOR TO ABORTIN
- [SDR 0400661238](https://openairdocs.org/sdr/0400661238), May 2, 2004: FUEL CONTROL. MALFUNCTIONED. TAKEOFF WAS ABORTED AT 120 KTS WHEN THE NR 3 ENGINE FAILED TO REACH TAKEOFF TARGET N1. CREW ALSO REPORTED AN N2 EXCEEDANCE ON THE NR 3 ENGINE PRIOR TO ABORTING 
- [SDR UPS03640240](https://openairdocs.org/sdr/UPS03640240), Feb 26, 2003: CONNECTOR. DISCONNECTED. INSPECTION TYPE: ETOP, RT ENG OIL PRESS FLUCTUATES BETWEEN 12-45 PSI FOR PAST 5 HR OF FLT OIL TEMP NORMAL (100) OIL QTY STDY (16) AT NORMAL CRUISE WENT INTO RED
- [SDR 9719321226](https://openairdocs.org/sdr/9719321226), Oct 15, 1997: MEC. MALFUNCTIONED. DURING INITIAL TAKEOFF ROLL, THE NR 1 ENGINE WOULD NOT REACH TAKEOFF POWER. N1 WOULD NOT ACCELERATE ABOVE 90 PERCENT WITH ALL OTHER INDICATIONS ALSO LOW. THE TA
- [SDR 9708841226](https://openairdocs.org/sdr/9708841226), May 3, 1997: FAIL LIGHT. ILLUMINATED. ON TAKEOFF ROLL, THE NR 1 ENGINE FAIL LIGHT AND NR 1 ENGINE VIBRATION LIGHT ILLUMINATED. TAKEOFF WAS ABORTED AT 80 KNOTS. CREW RAN ENGINE CHECKS PER MAINTENANCE
- [SDR CAL960187](https://openairdocs.org/sdr/CAL960187), Feb 22, 1996: AIR DUCT. FAILED. IAH - FLT 0010 - TAKEOFF WAS REJECTED AT 100 KNOTS AFTER THE NR 3 ENGINE EXPERIENCED LOSS OF POWER. THE NR 3 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAI
- [SDR 9511081226](https://openairdocs.org/sdr/9511081226), Jul 17, 1995: ENGINE. FAILED. DURING CLIMB, A THUD WAS HEARD FOLLOWED BY NR 1 ENGINE VIBRATION. THE ENGINE WAS SHUT DOWN AND THE FIRE BOTTLES WERE DISCHARGED AFTER A CABIN ATTENDANT NOTED FL
- [SDR CAL950491](https://openairdocs.org/sdr/CAL950491), Jun 15, 1995: ENGINE. FAILED. IAH - FLT 0010 - THE NR 3 ENGINE N2 EXCEEDED LIMITS AND BOTH THE NR 1 AND NR 2 ENGINE EGT'S ROSE TO 980 DEGREES ON ROTATION LEAVING IAH. ALL ENGINE THROTTLES WE

## STCs that may be installed (OpenAirDocs) (4)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00025EN](https://openairdocs.org/stc/SE00025EN): Installation of International Aerospace Tubes, LLC, Master Drawing List TPC Stage 7 Cooling System , revision NR, dated December 15, 2011, or later FAA-Approved Revisions. United Technologies Corporation, Pratt & Whitney Division
- [STC SA1139NW-D](https://openairdocs.org/stc/SA1139NW-D): Install fireproof blankets on Engine Fan Reverser Intermediate Fireseal in lieu of Fireproof Intumescent Coating. United Airlines Inc
- [STC SE00969CH](https://openairdocs.org/stc/SE00969CH): Install AeroControlex P/N 2605290-001 variable stator feedback control cable. AeroControlex Group TransDigm Inc
- [STC SE00461LA](https://openairdocs.org/stc/SE00461LA): Install fireproof blankets on the engine fan reverser intermediate fireseal, in lieu of fireproof intumescent coating. Hi Temp Insulation Inc

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [WF335052](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166165028520250602133019.0001): Filter Element, Fuel. Donaldson Company Inc · PMA PQ2432CE · Replaces AC9227F1740, Alternate: 7581187 · May 23, 2025
- [WF335089](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160513369020250602133024.0001): Filter Element, Lube. Donaldson Company Inc · PMA PQ2432CE · Replaces AC9380F4010 · May 23, 2025
- [WF334995](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151595588220250602133024.0001): Filter Element Lube Oil. Donaldson Company Inc · PMA PQ2432CE · Replaces Sundstrand 55956, AC-9649F-1… · May 23, 2025
- [1211245-010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182978896020250408205605.0001): Actuator, Variable Stator. Arkwin Industires Inc · PMA PQ0365NE · Replaces 9691M29P10Software version: N/A · Apr 2, 2025
- [1211131-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148669891620250408205604.0001): Actuator, Reset – Feedback Cable. Arkwin Industires Inc · PMA PQ0365NE · Replaces 9067M65P10Software version: N/A · Apr 2, 2025
- [1211227-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106179067720250402212228.0001): Reset, Actuator. Arkwin Industires Inc · PMA PQ0365NE · Replaces 9229M10P01Software version: N/A · Apr 1, 2025
- [AAP-358474-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147839180720240311212404.0001): Bearing. Approved Air Parts Co Inc · PMA PQ4173NE · Replaces Honeywell P/N 358474-1 · Mar 6, 2024
- [3289526-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195488533020230907161057.0001): Valve, O/P. Honeywell International Inc. · PMA PQ1222NM · Replaces 9121M70P04 · Mar 10, 2023
- [3287605-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194517804020230907161150.0001): Thrust Reverser Actuation System Lock Actuation Kit (Right Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-030 · Mar 10, 2023
- [121278-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194363880820230907161048.0001): Gearbox Angle. Honeywell International Inc. · PMA PQ1222NM · Replaces 9033M27P03 · Mar 10, 2023
- [384022-5-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193171461920230907161156.0001): Starter. Honeywell International Inc. · PMA PQ1222NM · Replaces 9014M18P08 · Mar 10, 2023
- [898980-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187426073420230907161101.0001): Valve, S/O. Honeywell International Inc. · PMA PQ1222NM · Replaces 9066M97P06 · Mar 10, 2023
- [121628-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186112619320230907161145.0001): Directional Pilot Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9141M29P02 · Mar 10, 2023
- [121280-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179830631920230907161050.0001): Switch. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M43P02 · Mar 10, 2023
- [121332-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178526933320230907161144.0001): Directional Pilot Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9054M10P02 · Mar 10, 2023
- [121628-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177692166720230907161054.0001): Valve Pilot. Honeywell International Inc. · PMA PQ1222NM · Replaces 9141M29P02 · Mar 10, 2023
- [121594-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170150244520230907161143.0001): Gearbox. Honeywell International Inc. · PMA PQ1222NM · Replaces 9153M25P01 · Mar 10, 2023
- [123848-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170103358620230907161055.0001): Valve Y Check. Honeywell International Inc. · PMA PQ1222NM · Replaces 123848-1 · Mar 10, 2023
- [121332-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167832826920230907161053.0001): Valve Pilot. Honeywell International Inc. · PMA PQ1222NM · Replaces 9054M10P01 · Mar 10, 2023
- [3287605-40](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167215553920230907161154.0001): Thrust Reverser Actuation System Lock Actuation Kit (Right Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-040 · Mar 10, 2023
- [320358-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161983332420230907161056.0001): Valve Pilot. Honeywell International Inc. · PMA PQ1222NM · Replaces 9118M66P03 · Mar 10, 2023
- [979186-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160241339420230907161102.0001): Valve, O/P. Honeywell International Inc. · PMA PQ1222NM · Replaces 9121M70P03 · Mar 10, 2023
- [121276-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157165670120230907161104.0001): Gearbox. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M54P04 · Mar 10, 2023
- [121282-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153183506520230907161051.0001): Flex Shaft. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M47P01 · Mar 10, 2023
- [126366-19](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151400429420230907161155.0001): Air Motor/Actuator. Honeywell International Inc. · PMA PQ1222NM · Replaces 9066M20P19 · Mar 10, 2023
- [121386-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151203065620230907161142.0001): Gearbox. Honeywell International Inc. · PMA PQ1222NM · Replaces 9153M26P01 · Mar 10, 2023
- [121378-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150588016520230907161105.0001): Shaft Flex. Honeywell International Inc. · PMA PQ1222NM · Replaces 9066M16P04 · Mar 10, 2023
- [3287605-60](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150360112120230907161153.0001): Thrust Reverser Actuation System Lock Actuation Kit (Left Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-060 · Mar 10, 2023
- [898772-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143102355320230907161100.0001): Bleed Air Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9118M97P02 · Mar 10, 2023
- [121276-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140610950120230907161049.0001): Gearbox Center. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M54P03 · Mar 10, 2023
- [121210-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138175810720230907161047.0001): Ball Screw. Honeywell International Inc. · PMA PQ1222NM · Replaces 9033M17P04 · Mar 10, 2023
- [979188-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135591711620230907161103.0001): Valve, O/P. Honeywell International Inc. · PMA PQ1222NM · Replaces 9122M52P04 · Mar 10, 2023
- [121282-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135516017420230907161052.0001): Flex Shaft. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M47P02 · Mar 10, 2023
- [397860-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131347806220230907161046.0001): Throttle Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9034M89P04 · Mar 10, 2023
- [121750-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126041771820230907161106.0001): Flexshaft. Honeywell International Inc. · PMA PQ1222NM · Replaces 9303M69P01 · Mar 10, 2023
- [121278-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125740725220230907161157.0001): Gearbox Ballscrew. Honeywell International Inc. · PMA PQ1222NM · Replaces 9033M27P04 · Mar 10, 2023
- [397892-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125246583920230907161059.0001): Starter Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9033M46P01 · Mar 10, 2023
- [397860-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123084031620230907161058.0001): Throttle Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9037M89P04 · Mar 10, 2023
- [397860-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122543492020230907161146.0001): Valve. Honeywell International Inc. · PMA PQ1222NM · Replaces 9037M89P02 · Mar 10, 2023
- [3287605-29](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122003475620230907161147.0001): Thrust Reverser Actuation System Lock Actuation Kit (Left Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-029 · Mar 10, 2023
- [3287605-39](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105163712020230907161151.0001): Thrust Reverser Actuation System Lock Actuation Kit (Left Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-039 · Mar 10, 2023
- [121278-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103708955220230907161044.0001): Gearbox. Honeywell International Inc. · PMA PQ1222NM · Replaces 9033M27P05 · Mar 10, 2023
- [3287605-59](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102622615120230907161152.0001): Thrust Reverser Actuation System Lock Actuation Kit (Left Hand). Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-059 · Mar 10, 2023
- [126366-21](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196843435820230907182159.0001): Air Motor Actuator. Honeywell International Inc. · PMA PQ1222NM · Replaces 9067M20P21 · Mar 8, 2023
- [121282-29](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196568742120230907182205.0001): Shaft Assembly, Flexible. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M47P03 · Mar 8, 2023
- [537L68201-089](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190734803020230907182210.0001): Drip Loop Installation Kit. Honeywell International Inc. · PMA PQ1222NM · Replaces 537L68201-089 · Mar 8, 2023
- [126366-24](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185467288120230907182202.0001): Air Motor Actuator. Honeywell International Inc. · PMA PQ1222NM · Replaces 9067M20P24 · Mar 8, 2023
- [121282-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180771696620230907182215.0001): Shaft Assembly, Flexible. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M67P04 · Mar 8, 2023
- [121282-18](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175819808320230907182157.0001): Shaft Assembly, Flexible. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M67P02 · Mar 8, 2023
- [121282-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168343850720230907182204.0001): Shaft Assembly, Flexible. Honeywell International Inc. · PMA PQ1222NM · Replaces 9041M47P01 · Mar 8, 2023

All of them: https://openairdocs.org/engine/ge-cf6-50c2b/pma.md

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