# CFM International CFM56-7B26/2 series

- Type: Engine model (FAA registry)
- Registry code: 13050
- Manufacturer (registry): CFM INTL
- Model: CFM56-7B26/2
- Engine type: Turbo-fan
- Power: 26,300 lb thrust
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-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 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022
- [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 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [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 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010
- [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 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 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 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 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001
- [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998
- [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998
- [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 1998

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 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018
- [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018
- [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018
- [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014
- [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) (4)

- [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014
- [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011
- [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008
- [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008

## Registered aircraft (2)

- [N38443](https://openairdocs.org/aircraft/N38443): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 2010, S/N 31655
- [N39415](https://openairdocs.org/aircraft/N39415): [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 2008, S/N 32826

## 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 (353, newest 50)

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

- [SDR CALA2026110120685](https://openairdocs.org/sdr/CALA2026110120685), Oct 26, 2026: REPAIR. WORN. STRIKER PLATE FOR PREVIOUS CHORD REPAIR AT H/P PNUMATIC DOOR 192 DR SEAMS TO BE LOCATED TOO FAR AFT AND IS WORN INTO ON STRAP AND PLATE.REMOVED DAMAGED REPAIR S
- [SDR CALA2026102620572](https://openairdocs.org/sdr/CALA2026102620572), Oct 24, 2026: ENGINE. FAULTED. DUE TO IFSD OF ENG 1, IF THE ENGINE IS OPERABLE, OPERATE THE ENGINE AT IDLE FOR A MINIMUM OF 15-20 MINUTES AND NOT LATER THAN 24 HOURS AFTER LANDING. TIME OF A/
- [SDR CALA2026101920450](https://openairdocs.org/sdr/CALA2026101920450), Oct 14, 2026: SHAFT. SHEARED. ENGINE 2 NEVER ACHIEVED REQUIRED T/O THRUST. 90.6 REQUIRED. 90.0 ACHIEVED. FOUND ENG 2 FUEL PUMP DRIVE SHAFT SHEARED. REPLACEMENT OF FUEL PUMP PERFORMED. ENG 2 
- [SDR CALA2026101920461](https://openairdocs.org/sdr/CALA2026101920461), Oct 14, 2026: HMU. FAULTY. REJECTED TAKEOFF AT APPROX 90 KIAS DUE TO E2 NOT ACHIEVING REQD T/O THRUST. REMOVED HMU, REMOVED FUEL PUMP PACKAGE IAW AMM 73-11-01-000-801-F00. INSTALLED NEW H
- [SDR DALA2026093005448](https://openairdocs.org/sdr/DALA2026093005448), Sep 29, 2026: ENGINE. FAILED. ATB/IFSD/DE- AIR RETURNED TO IND DUE TO RIGHT ENGINE FAILURE. ENGINE REMOVED AND REPLACED. (9503679) AIRCRAFT WAS GROUNDED
- [SDR CALA2026092919959](https://openairdocs.org/sdr/CALA2026092919959), Sep 28, 2026: WIRE HARNESS. FAULTED. REPLACE NR 2 ENG MW0311 HARNESS IAW AMM 73-21-06-400-802-F00, BEFORE DEPARTING SFO DUE HISTORY OF NO BLEED ON NR 2 ENGINE. STARTED REMOVAL OF MW0311 HARNESS FRO
- [SDR CALA2026093020013](https://openairdocs.org/sdr/CALA2026093020013), Sep 28, 2026: SOCKET. FAULTED. LEFT AFT EXTERIOR OVERWING EMERGENCY LIGHT INOPERATIVE. RELAMPED. NO HELP. FOUND LAMP SOCKET ASSY FAULTY. REPLACED SOCKET ASSY. OPS CHKS NORMAL.
- [SDR SCNA20260922407](https://openairdocs.org/sdr/SCNA20260922407), Sep 21, 2026: ENGINE. NO DISCREPANCY. 848456 ENGINE NUMBER 1 NOTICED SMOKE AND STRANGE SMELL COMING FROM FRONT OF ENGINE COMPLETED INLET AND EXHAUST INSPECTION REF AMM 71-00-00-800-802-F00 NO DEFECT
- [SDR CALA2026092119570](https://openairdocs.org/sdr/CALA2026092119570), Sep 16, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1676 FAILED AN OPS CHECK. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT M1676 IAW AMM 33-51-06-960-805 OPS CHECK GOOD.
- [SDR DALA2026091505153](https://openairdocs.org/sdr/DALA2026091505153), Sep 15, 2026: SHUTOFF VALVE. FAULTED. ATB- RETURNED TO MIA DUE TO ABSENCE OF BLEED PRESSURE FROM RT ENGINE. REPLACED RT PRSOV, BLEED OPS CHECK GOOD. REPLACED 390 & 450 DEGREE SENSORS AS A PRECAUTION
- [SDR CALA2026091819537](https://openairdocs.org/sdr/CALA2026091819537), Sep 15, 2026: FSEU. FAULTED. CREW REJECTED TAKEOFF DUE TO A SLAT TRANSIT LIGHT. CREW REPORTED RTO WAS AT 138KTS, MAX REVERSE, 157300LBS AND OAT 13C.TOMC SMITH UPDATED MAA CODE FIX USING VEN
- [SDR CALA2026091819536](https://openairdocs.org/sdr/CALA2026091819536), Sep 14, 2026: AUTOTHROTTLE SYS. FAULTED. AUTOTHROTTLE DID NOT ENGAGE ON TAKEOFF AFTER MULTIPLE ATTEMPTS DURING INITIAL EVALUATION FOUND TAT AT + 99 DEGRESS R/R TAT PROBE IAW AMM 34-21-06, INSTALLATION 
- [SDR CALA2026091119367](https://openairdocs.org/sdr/CALA2026091119367), Sep 9, 2026: FILTER. ODOR. C/P AND F/O REPORTED ODOR IN FLIGHT DECK. ENTERING FLIGHTDECK NO SMELL OF ODOR AFTER GETTING TO GATE UNABLE TO RUN PACK 1 LONG ENOUGH TO VERIFY ODOR DOES NOT RE
- [SDR DALA2026090905061](https://openairdocs.org/sdr/DALA2026090905061), Sep 8, 2026: ENGINE. POWER LOSS. ATB/DE- DUE TO LEFT ENGINE SHUTTERED AND ROLLED BACK TO 60% N1 DURING CLIMB. PERFORMED HPC BSI FOUND MULTIPLE RIPS AND TEARS, REMOVED AND REPLACED ENGINE. (9626
- [SDR CALA2026083119037](https://openairdocs.org/sdr/CALA2026083119037), Aug 28, 2026: UNKNOWN. ODOR. PACK AIR PRESSURE IS WEAK WHEN USING APU BLEED. WHEN ON ENGINE BLEED AIR SMELLS BAD DEBRIEF CREW. NOTED ODOR ONLY (NO SMOKE) ON TAKE OFF, CRUISE NORMAL, DESCENT
- [SDR CALA2026083119067](https://openairdocs.org/sdr/CALA2026083119067), Aug 28, 2026: DOOR LATCH. FAULTY. FLIGHT DECK DOOR BLOWOUT PANELS OPENED FROM BUMP, UNABLE TO SECURE LOCKED FOR POSITIVE FIX. IAW CMM 52-51-02. FOR CMM REF AND PARTS BREAKDOWN. R & R FLT DECK DO
- [SDR CALA2026083119066](https://openairdocs.org/sdr/CALA2026083119066), Aug 26, 2026: WIRE HARNESS. DAMAGED. BIRD STRIKE. INSPECTION REQUIRED IAW AMM. BIRD STRIKE ON DEPARTURE OUT OF DEN. HIT FLOCK OF BIRDS AT HIGH AOA SHORTLY AFTER TAKEOFF. SAW 5 OR MORE BIRDS BELIEVE
- [SDR CALA2026082618925](https://openairdocs.org/sdr/CALA2026082618925), Aug 23, 2026: MODULE. FAULTED. RECEIVED BOTH FWD & AFT LOW PRESSURE FUEL LIGHTS ON NR 1 ENGINE MAIN TANK, DURING CLIMB. IAW FLT CREW, FUEL FLOW INDICATIONS WERE NORMAL ON BOTH ENGINES. PERFOR
- [SDR CALA2026081718673](https://openairdocs.org/sdr/CALA2026081718673), Aug 15, 2026: SKIN. CRACKED. LEFT WING LOWER SKIN AT STR 9, DURING HFEC INSPECTION, A CRACK WAS FOUND AT OTBD MOST FASTENER. REF EA5725-01143 REVISION B OP. 003, SEQ 4. REFERENCE LP9951108 
- [SDR CALA2026081318565](https://openairdocs.org/sdr/CALA2026081318565), Aug 12, 2026: SKIN. GOUGED. REPAIR ACCOMPLISHED REFERENCE LAUNCH NR 00017 PER ECRA 5310-09006 .
- [SDR CALA2026081218522](https://openairdocs.org/sdr/CALA2026081218522), Aug 9, 2026: EGT INDICATION. ACTIVATED. NR 1 ENG, HIGH EGT, EMERGENCY EGT RETURNED TO NORMAL. NR 1 ENGINE PERFORMED VISUAL INSP. INLET AND EXHAUST NO DSCREPANCIES. PERFROMED EEC BITE NO CURRENT OR FAU
- [SDR CALA2026080318219](https://openairdocs.org/sdr/CALA2026080318219), Aug 2, 2026: SHUTOFF VALVE. FAULTED. BURNING ODOR ON TO LT DUCT PRESS 85. RT DUCT PRESS 45, PERFORMED WALK AROUND, NO EXTERNAL FINDINGS NOTED. C/W TASK 05-51-26-800-801-C1 CONDITIONAL INSPECTIONS F
- [SDR CALA2026081018429](https://openairdocs.org/sdr/CALA2026081018429), Aug 2, 2026: WARNING MESSAGE. ILLUMINATED. RTO DUE TO T/O CONFIG. WHILE DEBRIEFING THE CREW THE FOLLOWING INFORMATION WAS FOUND: SPEED AT REJECTION: 115KTS RTO ENGAGED THE BRAKES TILL ABOUT 60KTS (SMOOTH
- [SDR CALA2026080518309](https://openairdocs.org/sdr/CALA2026080518309), Jul 31, 2026: STUB FRAME. CRACKED. CRACK FOUND AT R1 FWD GALLEY DOOR STUB FRAME JOGGLE AREA. CRACK LENGTH, 0.75". REF AAR N/R 100059794. REMOVED AND REPLACED R1 DOOR STUB FRAME IAW SRM 51-40-02-0
- [SDR CALA2026082718948](https://openairdocs.org/sdr/CALA2026082718948), Jul 30, 2026: FITTING. CRACKED. BS 663.75 FRAME FITTING & FAIL SAFE STRAP AT S18A, CRACKED AT RT TOP LOWER AFT FASTENER ON FRAME FITTING, AFTER CLEAN UP LOCKED BY TOMC FOR MX FERRY TO RFD. FER
- [SDR CALA2026073118134](https://openairdocs.org/sdr/CALA2026073118134), Jul 29, 2026: COMPUTER. FAULTY. TCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS WITH ATC TRANSPONDER SELECTOR AT TA AND SHOWS WITH SELECTOR AT TA/RA FAULT NOT PRESENT, FOLLOWING FIM 34-45 TASK 821,
- [SDR CALA2026072718036](https://openairdocs.org/sdr/CALA2026072718036), Jul 24, 2026: PRESSURE SWITCH. FAULTED. ENG 2 FILTER BYPASS LIGHT ILLUM AT CRUISE ONCE CENTER PUMPS EMPTIED. FOUND INPUT MONITOR FOR NR 2 ENG INDICATING FILTER BYPASS CLOG. IAW FIM 73-05, TASK 801. FI
- [SDR CALA2026072918088](https://openairdocs.org/sdr/CALA2026072918088), Jul 24, 2026: ENGINE. VIBRATION. 2 ENGINE VIB 4.0
- [SDR SCNA20260713296](https://openairdocs.org/sdr/SCNA20260713296), Jul 12, 2026: ENGINE. FOD. NR 1 ENG VIB WENT TO 4.0 - RAN CHKLST, RETURNED TO MSP. DECLARED EMERGENCY BLEW OUTER MLG TIRE ON T/O. COMPLTD TIRE TREAD/BURST INSP IAW AMM 05-51-54. NO DEFECT
- [SDR SCNA20260708285](https://openairdocs.org/sdr/SCNA20260708285), Jul 8, 2026: PRESSURE SWITCH. BYPASSING. LOG 834743 - NR 2 FILTER BYPASS LIGHT ILLUMINATED. PERFORMED FIM TASK 73-05 TASK801. NO FAULTS FOUND. REPLACED NR 2 ENG. FUEL FILTER AND NR 1 ENG. FUEL FILER PE
- [SDR DALA2026070804010](https://openairdocs.org/sdr/DALA2026070804010), Jul 6, 2026: COMPRESSOR. DAMAGED. IFSD/DIV/DE- DUE TO RT ENGINE FAILURE DURING CLIMB. CREW HEARD A LOUD BANG AND THE RIGHT ENGINE ROLLED BACK AND WAS SHUT DOWN. FOUND LPT DAMAGED, ENGINE CHANGE 
- [SDR DALA2026063003856](https://openairdocs.org/sdr/DALA2026063003856), Jun 29, 2026: FAN. OUT OF BALANCE. ATB/DE- DUE TO RIGHT ENGINE FAN VIBRATION 4.2 AND HAD TO REDUCE THROTTLE TO KEEP VIB BELOW LIMITS. PERFORMED FAN TRIM BALANCE VIB NOW AT 1.8. (LOG 8365005 - AIR
- [SDR CALA2026063017495](https://openairdocs.org/sdr/CALA2026063017495), Jun 29, 2026: ACTUATOR. LEAKING. FUEL LEAK IN NU 1 ENGINE NU ENGINE SHUT DOWN PER FM. OBSERVED 80 0LB IMBAL IN 30 MIN.30MIN DNCREW DE-BRIEF. ENG 1 SHUT DOWN WAS COMMANDED PER QRH FOR 800LBS LF 
- [SDR DALA2026061703620](https://openairdocs.org/sdr/DALA2026061703620), Jun 15, 2026: EGT INDICATION. ILLUMINATED. ATB/DE- DUE TO LEFT ENGINE AREA B EGT EXCEEDANCE DURING CLIMB. FOUND EGT SECTOR 2 (BOTTOM RIGHT) SIGNAL OUT OF RANGE AND REPLACED CJ9 HARNESS. (LOG 8669820 - AI
- [SDR DALA2026051202968](https://openairdocs.org/sdr/DALA2026051202968), May 12, 2026: INLET. DAMAGED. AIR TURN BACK DUE TO LEFT ENGINE VIBRATIONS WITH AN ASSOCIATED ODOR REPORTED BY THE FLIGHT CREW. MAINTENANCE REPLACED THE LEFT ENGINE DUE TO INLET DAMAGE IAW T/
- [SDR CALA2026042115577](https://openairdocs.org/sdr/CALA2026042115577), Apr 21, 2026: ENGINE. FIRE. RAMP OBSERVED FLAMES AND SMOKE IN ENG 1 TAIL PIPE ON SHUT DOWN. PERFORMED FIM 72-05 TASK 811 UP TO BUT NOT INCLUDED SECTION D STEP 5 NO DEFECTS NOTED OIL CONSUM
- [SDR CALA2026041615416](https://openairdocs.org/sdr/CALA2026041615416), Apr 13, 2026: ENGINE. VIBRATION. RETURN TO IAH FOR VERY HIGH AND AUDIBLE ENGINE VIBRATION IND WAS AS AT TOP OF SCALE MAXED OUT AFTER VISITING WITH THE PILOTS, THE VIBRATION INDICATIONS WERE COM
- [SDR CALA2026040315053](https://openairdocs.org/sdr/CALA2026040315053), Apr 3, 2026: ENGINE. BIRD INGESTION. DURING CREW DEBRIEF, FLIGHT DECK CREW AND AFT STATION FLIGHT ATTENDANTS REPORTED ODOR FROM BLEED AIR SYSTEM ON ROTATION. AFTER IDENTIFYING BIRD STRIKE. ODOR DIS
- [SDR CALA2026031814656](https://openairdocs.org/sdr/CALA2026031814656), Mar 15, 2026: HMU. FAULTED. LEFT ENG EGT OVERTEMP DURING AIR RESTART. ENGINE EXCEEDANCES ON E1, PEAK: 795.5 AND RED: 725.0 0:15.6 SECONDS. PERFORMED HPT AND LPT STAGES 1-3 BOROSCOPE WITH N
- [SDR CALA2026030914429](https://openairdocs.org/sdr/CALA2026030914429), Mar 7, 2026: SEAL. NOT SEATED. REPEAT CHRONIC LVL 1 NR 2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB APPROX FL100. SUSPECT HOT AIR PORTING TO THE BAR TRIPPING THE PRESSURE SWITCH. PERFORMED
- [SDR CALA2026021213745](https://openairdocs.org/sdr/CALA2026021213745), Feb 12, 2026: PROBE. FAULTY. FUEL IMBALANCE ON TANK 1 DECREASING RAPIDLY. PERFORMED NR 1 TANK FQIS DRY RESISTANCE AND CAPACITANCE CHECK IAW AMM 28-41-21-710-801, FOUND F15, F1, F2, F3, F4, 
- [SDR CALA2026021013659](https://openairdocs.org/sdr/CALA2026021013659), Feb 8, 2026: STATOR. DAMAGED. ON CLIMB OUT ENG 1 VIBE IND 4.3. TOMC CONTACTED.RETURN TO KDEN. AT CRUSIE VIB CAME DOWN TO 1.8- 2.3 PER CREW FOUND DAMAGE TO TURBINE BLDS LABOR HOURS UPDATE. PI
- [SDR SCNA20260129022](https://openairdocs.org/sdr/SCNA20260129022), Jan 11, 2026: ENGINE. NO DISCREPANCY. MARSHALER SAW SPARKS COMING FROM NR 1 ENGINE. SHUTDOWN. MECHANIC SAYS IT WAS JUST SAND.
- [SDR DALA2026010800189](https://openairdocs.org/sdr/DALA2026010800189), Jan 8, 2026: CHECK VALVE. FAULTED. DE- DUE TO RIGHT ENGINE WOULD NOT ADVANCE BEYOND 55% N1 AFTER THROTTLE BACK. INSPECTED MCDS WITH NO FINDINGS. PERFORMED EEC BITE TEST WITH NO FAULTS. CLEARED PS
- [SDR CALA2026010212606](https://openairdocs.org/sdr/CALA2026010212606), Dec 29, 2025: SWITCH. FAULTED. ENG 2 FUEL FILTER BYPASS LIGHT ON ENG SLOW TO RESPOND AT IDLE POWER SETTING, ENG 2 FUEL FILTER BYPASS CAME ON DURING APPROACH AT AROUND 14,000. FT. IDLE POWER S
- [SDR CALA2025121012009](https://openairdocs.org/sdr/CALA2025121012009), Dec 5, 2025: BLADE. DAMAGED. ACFT AIR TURN BACK DUE TO BIRD STRIKE, FOUND FAN BLADE DAMAGE ON RT ENG & MULTIPLE DAMAGE ON RT & LT TE FLAPS. BIRD STRIKE CONDITIONAL INSPECTION ACCOMPLISHED I
- [SDR K11A2025120100359](https://openairdocs.org/sdr/K11A2025120100359), Dec 1, 2025: ELEC CONNECTOR. DIRTY. REJECTED TAKEOFF ENGINE NR 1 N1 AT 20% WHILE ENGINE NR 2 WAS AT 70% N2. REMOVED CLEANED AND RE-CONNECTED ELECTRICAL CONNECTORS ON NR 1 ENGINE EEC IAW SWPM 20-60
- [SDR CALA2025112811566](https://openairdocs.org/sdr/CALA2025112811566), Nov 24, 2025: ANTI-ICE VALVE. FAULTED. R COWL ANTI ICE LIGHT ILLUMINATED ON TO POWER. REDUCE THRUST. ANTI-ICE ON RTO AT 10KTS. COWL TAI VALVE IN THE OPEN POSITION AND DISCONNECTED AND STOWED CONNECTO
- [SDR CALA2025111311178](https://openairdocs.org/sdr/CALA2025111311178), Nov 11, 2025: PUMP. FAULTED. ENG 1 LOW QTY. RANGES FROM 12-0 PERCENT PHOTOS PHOTO REMOVED ENGINE 1 LUBRICATION UNIT REF TASK 79-21-01-000-801-F00 COMPLETED TO STEP 7(D). INSTALLED LUBRICATI
- [SDR CALA2025102810643](https://openairdocs.org/sdr/CALA2025102810643), Oct 25, 2025: EGT INDICATION. ILLUMINATED. ENG 1 EGT EXCEEDENCE ON CLIMB OUT. NORMAL IND. WITH REDUCED POW ER NO EXCEEDANCE FOUND IN ENGINE 1 EXCEEDANCE. ENG TEMP WAS AT 942 CELCIUS FOR 84 SECONDS. PERFO

All 353: https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-series/reports.md

## STCs that may be installed (OpenAirDocs) (2)

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 SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC
- [STC SE03036CH](https://openairdocs.org/stc/SE03036CH): Application of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision. Delta Air Lines 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.

- [AAP-3179410-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161769751220261022213314.0001): SETSCREW. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3179410-1 · Oct 14, 2026
- [AAP-3179410-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161769751220261022213314.0001): SETSCREW. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3179410-1 · Oct 14, 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
- [AAP-3181263-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134991105620260923165754.0001): SPRING. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3181263-1 · Aug 5, 2026
- [AAP-3181263-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134991105620260923165754.0001): SPRING. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3181263-1 · Aug 5, 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
- [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
- [301-547-905-0JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163539788920260806140647.0001): Nut. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 301-547-905-0 · Jul 14, 2026
- [301-547-905-0JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163539788920260806140647.0001): Nut. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 301-547-905-0 · Jul 14, 2026
- [AAP-3181264-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110152260220260804212133.0001): LINK ASSEMBLY. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3181264-1 · Jun 29, 2026
- [AAP-3181264-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110152260220260804212133.0001): LINK ASSEMBLY. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3181264-1 · Jun 29, 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
- [9523M35G03JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191057781220260806140516.0001): Arm Assembly. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 9523M35G03 · Jun 8, 2026
- [9523M35G03JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191057781220260806140516.0001): Arm Assembly. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 9523M35G03 · Jun 8, 2026
- [1385M33G03JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141058667820260806140515.0001): Arm Assembly. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 1385M33G03 · Jun 8, 2026
- [1385M33G03JP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141058667820260806140515.0001): Arm Assembly. Jet Parts Engineering Inc · PMA PQ1739CE · Replaces 1385M33G03 · Jun 8, 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-3177487-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169754361520260623134833.0001): Setscrew. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3177487-1 · May 26, 2026
- [AAP-3177487-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169754361520260623134833.0001): Setscrew. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell 3177487-1 · May 26, 2026
- [340-084-104-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177357668320260506211035.0001): Bracket. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 340-084-104-0 · May 4, 2026
- [340-084-104-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177357668320260506211035.0001): Bracket. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 340-084-104-0 · May 4, 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
- [2684985JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180898542020260123155357.0001): Seal, Spring Loaded. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2684985 · Jan 22, 2026
- [2684985JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180898542020260123155357.0001): Seal, Spring Loaded. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 2684985 · Jan 22, 2026
- [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
- [2502M08G01MIT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116108932520251216184607.0001): Bracket-Harness J10. Mitchell PMA, LLC · PMA PQ00057EB · Replaces 2502M08G01, 1894M80G01, 1896M53G01 · Nov 13, 2025
- [2502M08G01MIT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116108932520251216184607.0001): Bracket-Harness J10. Mitchell PMA, LLC · PMA PQ00057EB · Replaces 2502M08G01, 1894M80G01, 1896M53G01 · Nov 13, 2025
- [BLC2100M96P05](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121701476220251205160851.0001): High Pressure Turbine, Blade, Stage 1. BELAC LLC (subsidiary of Chromalloy Gas Turbine LLC) · PMA PQ1667CE · Replaces 2100M96P05 · Oct 17, 2025
- [BLC2100M96P05](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121701476220251205160851.0001): High Pressure Turbine, Blade, Stage 1. BELAC LLC (subsidiary of Chromalloy Gas Turbine LLC) · PMA PQ1667CE · Replaces 2100M96P05 · Oct 17, 2025
- [340-140-903-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196417412120250918135555.0001): Bracket Assy. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 340-140-903-0 · Sep 12, 2025
- [340-140-903-0JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196417412120250918135555.0001): Bracket Assy. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 340-140-903-0 · Sep 12, 2025
- [1559M19P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182468241420250904144800.0001): Stop-Sector CPRSR STTR. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1559M19P02 · Aug 25, 2025
- [1559M19P02JA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182468241420250904144800.0001): Stop-Sector CPRSR STTR. Jet Avion Corporation A HEICO Aerospace Company · PMA PQ1015CE · Replaces 1559M19P02 · Aug 25, 2025

All of them: https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-series/pma.md

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