# CFM International CFM56-5B1 series - Type: Engine model (FAA registry) - Registry code: 13000 - Manufacturer (registry): CFM INTL - Model: CFM56-5B1 - Engine type: Turbo-fan - Power: 30,000 lb thrust - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/cfm-international-cfm56-5b1-series The registry names only the engine series, so ADs for every model in the series are matched. ## 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 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023 - [AD 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021 - [AD 2017-05-09](https://openairdocs.org/ad/2017-05-09): Accessory Gearboxes · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Apr 13, 2017 - [AD 2016-02-04](https://openairdocs.org/ad/2016-02-04): Turbine rear frames (TRFs) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Mar 1, 2016 - [AD 2013-14-06](https://openairdocs.org/ad/2013-14-06): Hydro-mechanical unit (HMU) fuel control · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Sep 3, 2013 - [AD 2012-02-03](https://openairdocs.org/ad/2012-02-03): Engine · CFM International CFM56-5B1/3, CFM56-5B2/3, CFM56-5B3/3 and 8 more. Effective Mar 15, 2012 - [AD 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010 - [AD 2010-09-14](https://openairdocs.org/ad/2010-09-14): Exhaust gas temperature (EGT) · CFM International CFM56-5B1/2P, CFM56-5B1/P, CFM56-5B2/2P and 16 more. Effective Jun 8, 2010 - [AD 2009-18-01](https://openairdocs.org/ad/2009-18-01): LP turbine rear frames · CFM International CFM56-5B1/3, CFM56-5B1/P, CFM56-5B2/3 and 19 more. Effective Oct 1, 2009 - [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009 - [AD 2007-03-15](https://openairdocs.org/ad/2007-03-15): Exhaust gas temperature (EGT) harness · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Mar 19, 2007 - [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007 - [AD 2005-10-05](https://openairdocs.org/ad/2005-10-05): Air turbine starters · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 50 more. Effective Jun 14, 2005 - [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002 - [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002 - [AD 2002-02-13](https://openairdocs.org/ad/2002-02-13): Magnetic Drain Plug · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 33 more. Effective Mar 21, 2002 - [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001 - [AD 2000-15-01](https://openairdocs.org/ad/2000-15-01): Fuel Leakage · CFM International CFM56-2, CFM56-2A, CFM56-2B and 39 more. Effective Oct 2, 2000 - [AD 98-10-11](https://openairdocs.org/ad/98-10-11): Accessory Gearbox · CFM International CFM56-3, CFM56-3B, CFM56-3C and 31 more. Effective Jun 3, 1998 - [AD 98-02-04](https://openairdocs.org/ad/98-02-04): Low Pressure Turbine Case · CFM International CFM56-5B1/2P, CFM56-5B2/2P, CFM56-5B3/2P and 1 more. Effective Mar 23, 1998 - [AD 97-06-01](https://openairdocs.org/ad/97-06-01): High Pressure Compressor Rotor (HPCR) Stage 1-2 Spool · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 28 more. Effective Jun 3, 1997 Historical (superseded or no longer in force): - [AD 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021 - [AD 2019-12-05](https://openairdocs.org/ad/2019-12-05) (historical): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 39 more. Effective Jul 5, 2019 - [AD 2009-01-01](https://openairdocs.org/ad/2009-01-01) (historical): Exhaust gas temperature (EGT) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 22 more. Effective Dec 31, 2008 - [AD 2000-12-01](https://openairdocs.org/ad/2000-12-01) (historical): Critical Life-Limited Parts · CFM International CFM56-2, CFM56-2A, CFM56-2B and 54 more. Effective Dec 11, 2000 ## Information bulletins (advisory) (3) - [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014 - [SAIB NE-12-29](https://openairdocs.org/saib/NE-12-29): Engine Fuel Distribution CFM56-5B LPTACC Fuel Manifold. Issued Apr 27, 2012 - [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011 ## 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 (48) As reported by operators and repair stations, by the model named in the report. - [SDR 2026FA0000514](https://openairdocs.org/sdr/2026FA0000514), Jun 6, 2026: PROXIMITY SENSOR. FAULTED. AFT CARGO DOOR OPEN ECAM INDICATION DURING INITIAL CLIMB AFT CARGO DOR OPEN ECAM INDICATION LIMITATING CLIMB TO 10.000 FT, SYSTEM NOT PRESURIZING CORRECTLY. PER - [SDR AALA202603242106](https://openairdocs.org/sdr/AALA202603242106), Mar 14, 2026: ENGINE. VIBRATION. AIRCRAFT WAS GROUNDED: AT CRUSE AT FL360 NR 1 ENGINE STARTED MAKING A THUDDING NOISE, AND THE N1 ROLLED BACK FALLOWED BY A ENG 1 STALL ECAM. N1 THEN RECOVERED, - [SDR AALA202603027499](https://openairdocs.org/sdr/AALA202603027499), Feb 19, 2026: OIL SYSTEM. LEAKING. AIRCRAFT WAS GROUNDED: AT FL340 GOT ECAM ADV, ENG 1 OIL QUANTITY. STARTED FLIGHT WITH 18 QT. TOOK SEVERAL MINUTES FOR OIL QUANTITY TO GO TO ZERO. ALL OTHER ENGI - [SDR AALA202512023410](https://openairdocs.org/sdr/AALA202512023410), Nov 28, 2025: CHECK VALVE. FAULTED. AIRCRAFT WAS GROUNDED: UPON REACHING CRUISING ALTITUDE, THERE WERE AT LEAST TWO AUDIBLE THUMPS FOLLOWED BY ENGINE 2 STALL ECAM. ECAM RESOLVED ITSELF, REAPPEARED - [SDR AALA202512022576](https://openairdocs.org/sdr/AALA202512022576), Nov 28, 2025: ACTUATOR. FAULTED. AIRCRAFT WAS GROUNDED: UPON REACHING CRUISING ALTITUDE, THERE WERE AT LEAST TWO AUDIBLE THUMPS FOLLOWED BY ENGINE 2 STALL ECAM. ECAM RESOLVED ITSELF, REAPPEARED - [SDR AALA202508266352](https://openairdocs.org/sdr/AALA202508266352), Aug 25, 2025: STATOR. FAULTED. AIRCRAFT WAS GROUNDED: ENG 1 FADEC ALTERNATOR FAULT. DECESION MADE TO RETURN TO CLT, NO EMERGENCY DECLARED AIRCRAFT LANDED WITHOUT INCIDENT. T/S IAW TSM 77-10-0 - [SDR AALA202507061290](https://openairdocs.org/sdr/AALA202507061290), Jul 1, 2025: ENGINE. SHUTDOWN. AIRCRAFT WAS GROUNDED: ENGINE 1 FAILURE. FIRST A LOW HUM WAS HEARD DUE TO VIBRATION. N2 VIBRATION SLOWLY INCREASED FROM 1 TO 4. ENGINE STALL ECAM FOLLOWED. THEN - [SDR 2024FA0000339](https://openairdocs.org/sdr/2024FA0000339), Apr 30, 2024: BLADE. DAMAGED. SAE GENNEVILLIERS REPAIR SHOP HAS IDENTIFIED A POTENTIAL NON CONFORMANCE ON 2 REPAIRED FAN BLADES DELIVERED TO SAESM. THE NON CONFORMANCE IS A POTENTIAL MISS OF - [SDR 2024FA0000340](https://openairdocs.org/sdr/2024FA0000340), Apr 30, 2024: BLADE. DAMAGED. SAE GENNEVILLIERS REPAIR SHOP HAS IDENTIFIED A POTENTIAL NON CONFORMANCE ON 2 REPAIRED FAN BLADES DELIVERED TO SAESM. THE NON CONFORMANCE IS A POTENTIAL MISS OF - [SDR AALA202403258004](https://openairdocs.org/sdr/AALA202403258004), Mar 21, 2024: OIL SYSTEM. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO PHL DUE TO POSSIBLE OIL LEAK #1 ENGINE. LEFT ST THOMAS WITH 14 .5 QTS. ENROUTE THE OIL SLOWLY - [SDR AALA202403200915](https://openairdocs.org/sdr/AALA202403200915), Mar 19, 2024: ENGINE. UNKNOWN. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MIA DUE TO ENGINE 2 REVERSE UNLOCKED AND ENGINE 2 FUEL CONTROL FAULT AND ENGINE 2 - [SDR AALA202403210915](https://openairdocs.org/sdr/AALA202403210915), Mar 19, 2024: ECU. WARNING MESSAGE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MIA DUE TO ENGINE 2 REVERSE UNLOCKED AND ENGINE 2 FUEL CONTROL FAULT AND ENGINE 2 - [SDR 2024F00062](https://openairdocs.org/sdr/2024F00062), Mar 11, 2024: SEAL. DAMAGED. 3 LIFE LIMITED PART POSSIBLE DAMAGE DURING PREVIOUS MAINTENANCE CFM56-5B . AFFECTED BY AD 2024-0067-E CDP SEAL P/N GFF5LH8R S/N 2116M25P01 2) HPC STAGE 3 DISC P - [SDR AALA202401184376](https://openairdocs.org/sdr/AALA202401184376), Jan 17, 2024: ENGINE. STALLED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO ORD. IN LEVEL CRUISE AT FL 370 ENGINE 1 AND ENGINE 2 STALL. OAT -64C, CLEAN AIR. FLIGHT CREW FOLLO - [SDR AALA202401234376](https://openairdocs.org/sdr/AALA202401234376), Jan 17, 2024: ENGINE. STALLED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO ORD. IN LEVEL CRUISE AT FL 370 ENGINE 1 AND ENGINE 2 STALL. OAT -64C, CLEAN AIR. FLIGHT CREW FOLLO - [SDR AALA202401230715](https://openairdocs.org/sdr/AALA202401230715), Jan 17, 2024: ENGINE. STALLED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED COMMING INTO ORD. IN LEVEL CRUISE AT FL 370 ENGINE 1 AND ENGINE 2 STALL. OAT -64C, CLEAN AIR. FLIGHT CREW FOLLO - [SDR AALA202401166459](https://openairdocs.org/sdr/AALA202401166459), Jan 9, 2024: ENGINE. LEAKING. AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED CABIN ODOR DIRTY SOCK SMELL, AT TOP OF DESCENT FL280 POWER IDLE TO LANDING STRONGER SMELLING IN AFT CABIN. **SU - [SDR 2023F00348](https://openairdocs.org/sdr/2023F00348), Dec 21, 2023: O-RING. INCORRECT. CFM56-5B ACCESSORY GEARBOX GB (AGB) P/N 338-089-703-0 APPROVED DESIGN DATA INCLUDE A PACKING PREFORMED O-RING P/N 649-393-017-0 ('VITON E') OR P/N M83485-1-017 - [SDR AALA202312155571](https://openairdocs.org/sdr/AALA202312155571), Dec 12, 2023: CHECK VALVE. NO TEST. AIRCRAFT WAS GROUNDED: ENGINE 1 STALL FL350. ONE TIME ECAM MESSAGE CAME UP, THEN WENT AWAY. ENGINE INDICATIONS ARE NORMAL. STALL WAS HEARD IN THE FLIGHT DECK. B - [SDR AALA202311029692](https://openairdocs.org/sdr/AALA202311029692), Nov 1, 2023: FUEL FILTER. CLOGGED. AIRCRAFT WAS GROUNDED: #2 ENGINE FUEL FILTER CLOG AMBER CAUTION LIGHT ILLUMINATED ON ENGINE DISPLAY, NO ECAM MESSAGE. MAINTENANCE REPLACED #2 FUEL FILTER PER AM - [SDR AALA202309254341](https://openairdocs.org/sdr/AALA202309254341), Sep 24, 2023: WIRE HARNESS. CHAFED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO JFK. DURING CRUISE AN ECAM MESSAGE FOR EXCESSIVE EGT TEMPERATURE ON ENGINE #1 AND - [SDR AALA202305168654](https://openairdocs.org/sdr/AALA202305168654), May 12, 2023: ENGINE. FOD. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PEI. FLIGHT REPORTED A BIRDSTRIKE TO THE #1 ENGINE THAT RESULTED IN AN INFLIGHT SH - [SDR AALA202306138654](https://openairdocs.org/sdr/AALA202306138654), May 12, 2023: ENGINE. FOD. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PEI. FLIGHT REPORTED A BIRDSTRIKE TO THE #1 ENGINE THAT RESULTED IN AN INFLIGHT SH - [SDR AALA202304048961](https://openairdocs.org/sdr/AALA202304048961), Mar 22, 2023: GARLOCK SEAL. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED UPON ARRIVAL INTO DFW. DURING CRUISE FLIGHT ENGINE 1 OIL QUANTITY CONTINUED TO DROP. AFTER APPROXIMATELY 2 HOUR - [SDR AALA202304045540](https://openairdocs.org/sdr/AALA202304045540), Mar 22, 2023: GARLOCK SEAL. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED UPON ARRIVAL INTO DFW. DURING CRUISE FLIGHT ENGINE 1 OIL QUANTITY CONTINUED TO DROP. AFTER APPROXIMATELY 2 HOUR - [SDR AALA202209206131](https://openairdocs.org/sdr/AALA202209206131), Sep 18, 2022: LINE. CUT. AIRCRAFT WAS GROUNDED: THROTTLE SPLIT / ASYMMETRIC IDLE POWER DURING DESCENT : ENG 1 N1 : 23% , N2 : 61% ... ENG 2 N1: 30%,N2:74% ... ENG 1 FF : 640 ENG 2 FF: 8 - [SDR AALA202207115720](https://openairdocs.org/sdr/AALA202207115720), Jul 8, 2022: ENGINE. STALLED. AIRCRAFT WAS GROUNDED: DURING TAKE OFF ROLL A BANG WAS HEARD THEN THE AIRCRAFT YAW HARD RIGHT. REJECTED TAKE OFF. MAINTENANCE DETERMINED THAT THE RIGHT ENGINE H - [SDR AALA202207285720](https://openairdocs.org/sdr/AALA202207285720), Jul 8, 2022: ENGINE. STALLED. AIRCRAFT WAS GROUNDED: DURING TAKE OFF ROLL A BANG WAS HEARD THEN THE AIRCRAFT YAW HARD RIGHT. REJECTED TAKE OFF. MAINTENANCE DETERMINED THAT THE RIGHT ENGINE H - [SDR AALA202205166157](https://openairdocs.org/sdr/AALA202205166157), May 13, 2022: LINE. LEAKING. AIRCRAFT WAS GROUNDED: UPON SETTING TAKE OFF FLEX # 2 ENGINE TARGET IS 2 % LOWER THAN # 1 ENGINE ALL OTHER PARAMETERS NORMAL. MAINTENANCE FOUND #1 ENGINE PS12 L - [SDR AALA202204276660](https://openairdocs.org/sdr/AALA202204276660), Apr 19, 2022: HMU. DEFECTIVE. AIRCRAFT WAS GROUNDED: ON TAKEOFF #1 ADVANCED TO 87% #2 ONLY ADVANCED TO 71% AND A REJECTED TAKE OFF WAS ACCOMPLISHED AT 60 KNOTS. CREW ATTEMPTED TO TAKE OFF FO - [SDR AALA202204278340](https://openairdocs.org/sdr/AALA202204278340), Apr 19, 2022: NONE. DEFECTIVE. AIRCRAFT WAS GROUNDED: ON TAKEOFF #1 ADVANCED TO 87% #2 ONLY ADVANCED TO 71% AND A REJECTED TAKE OFF WAS ACCOMPLISHED AT 60 KNOTS. CREW ATTEMPTED TO TAKE OFF FO - [SDR AALA202108097504](https://openairdocs.org/sdr/AALA202108097504), Aug 7, 2021: REGULATOR VALVE. FAULTED. AIRCRAFT WAS GROUNDED: ECAM FOR ENGINE 1 BLEED FAULT THROUGH 1500 FT, RESET UNSUCCESSFUL; FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED BLEED PRESSU - [SDR AALA202106039008](https://openairdocs.org/sdr/AALA202106039008), May 31, 2021: SENSOR. DEFECTIVE. AIRCRAFT WAS GROUNDED: #1 ENGINE STALL AT FL340 AFTER LEVEL OFF. ACCOMPLISHED QRH PROCEDURE AND ALL SYSTEMS NORMAL AND FLIGHT CONTINUED DFW WHERE IT LANDED SAFE - [SDR AALA202103259020](https://openairdocs.org/sdr/AALA202103259020), Mar 24, 2021: COMPUTER. FAULTED. AIRCRAFT WAS GROUNDED: DUAL FAULT CHANNEL MAINTENANCE MESSAGE, FLIGHT DIVERTED TO MIA AND LANDED WITH OUT FURTHER INCIDENT; EMERGENCY WAS NOT DECLARED. REPLACED - [SDR AALA201911269001](https://openairdocs.org/sdr/AALA201911269001), Nov 24, 2019: LINK. WORN. AIRCRAFT IN BASE VISIT: #2 ENG. ACCESSORY DRIVE GEAR BOX ATTACHMENT LINK (UPPER) OBD AFT POINT WORN. REMOVED AND REPLACED #2 ENGINE IAW J/C 26L40071001. ALL OPS - [SDR AALA201907089010](https://openairdocs.org/sdr/AALA201907089010), Jul 7, 2019: MECHANISM. UNRELIABLE. AIRCRAFT WAS GROUNDED: PILOT REPORTS ENGINE #2 COMPRESSOR VANE FAULTS. MAINTENANCE REMOVED AND REPLACED MECHANISM/POSTION SENSOR IAW AMM 75-31-70, 75-31-20. OPS - [SDR CA190401008](https://openairdocs.org/sdr/CA190401008), Apr 1, 2019: ANCHOR FITTING. CORRODED. (CAN) L/H MLG RETRACTION ACTUATOR ATTACHMENT BRACKET BUSHING IS WORN (AFTER BUSHING REMOVAL AND OVER SIZING CORROSION STILL PRESENT AND OUT OF LIMITS). S/O 2940 - [SDR 2018FA0000053](https://openairdocs.org/sdr/2018FA0000053), Feb 12, 2018: SKIN. DEBONDED. THRUST REVERSER C-DUCT HAD A SECTION OF DEBONDED INNER SKIN THAT WAS REMOVED FOR REPAIR EVALUATION. ONCE THE SKIN WAS REMOVED, DISCOVERED THE PROTECTIVE COVERIN - [SDR AALA201711249008](https://openairdocs.org/sdr/AALA201711249008), Nov 23, 2017: BLADE. TORN. DURING CRUISE, THE NR 1 ENGINE BEGAN TO FLUCTUATE, ACCOMPANIED BY ECAM MESSAGE FOR ENGINE COMPRESSOR STALL AND A LOUD BANGING NOISE IN THE CABIN. THE FLIGHT CRE - [SDR AALA201711209016](https://openairdocs.org/sdr/AALA201711209016), Nov 18, 2017: ENGINE. STALLED. AT 35000 FEET IN VISUAL METEOROLOGICAL CONDITIONS, AIR TRAFFIC CONTROL REQUESTED SLOWEST PRACTICAL. SLOWED TO GREEN DOT+10. 20 MINUTES. LATER THE NR 2 ENGINE SU - [SDR AALA20170531015](https://openairdocs.org/sdr/AALA20170531015), May 31, 2017: ECU. FAULTED. DIVERTED TO A NR 2 ENGINE EGT OVERTEMP (EXCEEDANCE INDICATION). ENGINE WAS SHUT DOWN. EMERGENCY DECLARED, LANDED UNEVENTFULLY. MAINTENANCE ACCOMPLISHED FLIGHT R - [SDR AALA201702179010](https://openairdocs.org/sdr/AALA201702179010), Feb 14, 2017: BLADES. DAMAGED. FLIGHT CREW REPORTED THAT THE NR 1 ENGINE EXPERIENCED COMPRESSOR STALLS, TWO OCCURANCES AT FL 390. SMOOTH AIR, AND ENGINE ANTI ICE OFF. BORESCOPE FOUND NUMEROUS - [SDR AALA201701239010](https://openairdocs.org/sdr/AALA201701239010), Jan 22, 2017: ENGINE. POWER LOSS. AIRCRAFT WAS GROUNDED. REJECTED TAKE OFF DUE TO SUSPECTED ASYMMETRIC THRUST, LOW THRUST ON NR 1 ENGINE. MAINTENANCE PERFORMED A POWER ASSURANCE CHECK PER 71-00- - [SDR AALA201612289002](https://openairdocs.org/sdr/AALA201612289002), Dec 27, 2016: PLUG. LEAKING. OIL ODOR DURING CLIMB OUT, AND DECENT WITH HIGH OR LOW POWER SETTINGS. ISOLATED NR 2 ENGINE, ODOR WENT AWAY. DURING CRUISE OR NORMAL POWER, NO ODOR, MAINTENANCE - [SDR AALA201608019004](https://openairdocs.org/sdr/AALA201608019004), Jul 28, 2016: LUBRICATION UNIT. WARNING LIGHT. FLIGHT CREW REPORTED NR 1 ENGINE OIL LOW PRESSURE INDICATION AND AN OIL FILTER CLOG INDICATION. THE AIRCRAFT DIVERTED AND LANDED SAFELY WITHOUT FURTHER INCIDENT - [SDR AALA201604159007](https://openairdocs.org/sdr/AALA201604159007), Apr 14, 2016: ENGINE. STALLED. AIRCRAFT WAS GNDED. NR 1 ENG STALLED AT FL 350. NOISE & VIBRATION FELT & POWER REDUCED ON ITS OWN TO APPROX 50%. POWER WAS REDUCED TO IDLE & ENG IDLED NORMALLY. - [SDR USAA2015011300010](https://openairdocs.org/sdr/USAA2015011300010), Jan 9, 2015: ENGINE. STALLED. ENGINE STALLED TWICE DURING CRUISE. DURING CLIMB FROM 36,000 TO 37,000. BRIEF ECAM MESSAGES & NOISE, ALSO FELT STALL IN COCKPIT. ACFT LANDED AT INTENDED DESTINA - [SDR Y2LA200700006](https://openairdocs.org/sdr/Y2LA200700006), Dec 10, 2007: UNKNOWN. ODOR. AFTER LANDING THE COCKPIT AND CABIN FILLED WITH SMOKE. PERFORMED GEN VISUAL INSPECTION OF OUTSIDE AND CABIN OF AIRCRAFT IAW AMM 05-51-00. RAN APU, ENGINES AND P ## 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. - [2564M19G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183308050320261019152741.0001): Seal - Stg 2 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 2026 - [2564M19G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183308050320261019152741.0001): Seal - Stg 2 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G01 · Oct 15, 2026 - [2564M15G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182481008320261019152741.0001): Seal - Retainer Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G02 · Oct 15, 2026 - [2564M15G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182481008320261019152741.0001): Seal - Retainer Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G02 · Oct 15, 2026 - [2564M19G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171586083020261019152741.0001): Seal - Stg 2 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G02 · Oct 15, 2026 - [2564M19G02SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171586083020261019152741.0001): Seal - Stg 2 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M19G02 · Oct 15, 2026 - [2564M15G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139341463420261019152740.0001): Seal - Stg 3 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G01 · Oct 15, 2026 - [2564M15G01SD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139341463420261019152740.0001): Seal - Stg 3 Cprsr Sttr. Seal Dynamics Inc. A HEICO Aerospace Company · PMA PQ1715CE · Replaces 2564M15G01 · Oct 15, 2026 - [KT9974M10P207](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156771068620261019153205.0001): Ring, Piston. Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 9974M10P207 · Oct 7, 2026 - [KT9974M10P207](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156771068620261019153205.0001): Ring, Piston. Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 9974M10P207 · Oct 7, 2026 - [337-141-601-0KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157822411420261008134816.0001): Bolt. Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 337-141-601-0 · Sep 29, 2026 - [337-141-601-0KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157822411420261008134816.0001): Bolt. Turbine Kinetics Inc., A HEICO Aerospace Company · PMA PQ0816NE · Replaces 337-141-601-0 · Sep 29, 2026 - [649-788-399-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103937182820260909145920.0001): Packing-Preformed O-Ring. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 649-788-399-0 · Aug 24, 2026 - [649-788-399-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103937182820260909145920.0001): Packing-Preformed O-Ring. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 649-788-399-0 · Aug 24, 2026 - [2002M87P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199317637820260806140031.0001): Gasket - Igniter Adapter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2002M87P02 · Jul 30, 2026 - [2002M87P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199317637820260806140031.0001): Gasket - Igniter Adapter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2002M87P02 · Jul 30, 2026 - [2002M87P01JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133871277820260806140030.0001): Gasket - Igniter Adapter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2002M87P01 · Jul 30, 2026 - [2002M87P01JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133871277820260806140030.0001): Gasket - Igniter Adapter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2002M87P01 · Jul 30, 2026 - [3051-1051KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121122166320260805155543.0001): Seal, Trapezoidal. Turbine Kinetics Inc, A HEICO Aerospace Company · PMA PQ0816NE · Replaces 3051-1051 · Jul 21, 2026 - [3051-1051KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121122166320260805155543.0001): Seal, Trapezoidal. Turbine Kinetics Inc, A HEICO Aerospace Company · PMA PQ0816NE · Replaces 3051-1051 · Jul 21, 2026 - [3177421JP-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144029116620260805181453.0001): Setscrew. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 3177421-1 · Jul 16, 2026 - [3177421JP-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144029116620260805181453.0001): Setscrew. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 3177421-1 · Jul 16, 2026 - [337-079-905-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162121163220260706131723.0001): Plug. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 337-079-905-0 · Jun 25, 2026 - [337-079-905-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162121163220260706131723.0001): Plug. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 337-079-905-0 · Jun 25, 2026 - [301-808-602-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141457374720260706131723.0001): Cover-Filter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 301-808-602-0 · Jun 25, 2026 - [301-808-602-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141457374720260706131723.0001): Cover-Filter. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 301-808-602-0 · Jun 25, 2026 - [1211342-240-014JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101824618120260706131723.0001): Packing. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1211342-240-014 · Jun 25, 2026 - [1211342-240-014JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101824618120260706131723.0001): Packing. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1211342-240-014 · Jun 25, 2026 - [3236051-1HA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186586940920260909154537.0001): BOOT, FLEXIBLE. Hutchinson Aerospace & Industry Inc. · PMA PQ0524NM · Replaces 3236051-1 · Jun 24, 2026 - [3236051-1HA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186586940920260909154537.0001): BOOT, FLEXIBLE. Hutchinson Aerospace & Industry Inc. · PMA PQ0524NM · Replaces 3236051-1 · Jun 24, 2026 - [1476M79P05JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107210147820260616140659.0001): Damper - Forward Sleeve. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1476M79P05 · May 29, 2026 - [1476M79P05JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107210147820260616140659.0001): Damper - Forward Sleeve. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1476M79P05 · May 29, 2026 - [AAP-3504163-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180945408320260406133714.0001): Bearing. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3504163-1 · Apr 1, 2026 - [AAP-3504163-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180945408320260406133714.0001): Bearing. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3504163-1 · Apr 1, 2026 - [336-031-701-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144123523920260324201242.0001): Weight-Balance 2.9G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-701-0 · Feb 25, 2026 - [336-031-701-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144123523920260324201242.0001): Weight-Balance 2.9G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-701-0 · Feb 25, 2026 - [336-031-710-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129285223420260324201243.0001): Weight-Balance 6.5G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-710-0 · Feb 25, 2026 - [336-031-710-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129285223420260324201243.0001): Weight-Balance 6.5G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-710-0 · Feb 25, 2026 - [336-031-708-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112259513820260324201242.0001): Weight-Balance 5.7G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-708-0 · Feb 25, 2026 - [336-031-708-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112259513820260324201242.0001): Weight-Balance 5.7G. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 336-031-708-0 · Feb 25, 2026 - [2949M03P01JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165472228620260225205426.0001): Blade Lock-Compressor Stg 8,9. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2949M03P01 · Feb 4, 2026 - [2949M03P01JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165472228620260225205426.0001): Blade Lock-Compressor Stg 8,9. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2949M03P01 · Feb 4, 2026 - [E140375-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181608826420251229153151.0001): Flexible Shaft Assembly. BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-3 · Dec 17, 2025 - [E140375-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181608826420251229153151.0001): Flexible Shaft Assembly. BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-3 · Dec 17, 2025 - [E140375-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149149609920251229153152.0001): Flexible Shaft Assembly. BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-4 · Dec 17, 2025 - [E140375-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149149609920251229153152.0001): Flexible Shaft Assembly. BW Elliott Manufacturing Co LLC · PMA PQ2009NE · Replaces 121762-4 · Dec 17, 2025 - [AAP-3502129-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199148521820251125143636.0001): Bearing. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3502129-1 · Nov 6, 2025 - [AAP-3502129-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199148521820251125143636.0001): Bearing. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3502129-1 · Nov 6, 2025 - [3180847-1WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197862047820260304181447.0001): Gasket. Wencor, LLC · PMA PQ1370NM · Replaces 3180847-1 · Oct 30, 2025 - [3180847-1WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197862047820260304181447.0001): Gasket. Wencor, LLC · PMA PQ1370NM · Replaces 3180847-1 · Oct 30, 2025 All of them: https://openairdocs.org/engine/cfm-international-cfm56-5b1-series/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.