# Service difficulty reports: CFM International CFM56-7B26/3 series

A list on [CFM International CFM56-7B26/3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 81 reports

- [SDR CALA2026071617838](https://openairdocs.org/sdr/CALA2026071617838.md): Transmitter · faulted · Jul 14, 2026 · N76522 · Boeing 737824 · Engine Oil Cooler
  > OIL FILTER BYPASS MESSAGE SHOWS ON ENGINE DISPLAY ENG 1 AFTER STARTUP. MESSAGE DISSAPEARED. MESSAGE REAPPEARED AFTER TAKE OFF. DIVERTED TO CVG. C/W EEC BITE FIM 73-00 TASK 801 & FOUND NO RECENT FAULTS. REMOVED & INSPECTED SCAVENGE FILTER PER MEL 7902A & AM
- [SDR 2026FA0000502](https://openairdocs.org/sdr/2026FA0000502.md): Turbine · damaged · Jun 10, 2026 · Turbine Section
  > ON 2024 THE RYR ENGINE ESN802794 HAS BEEN INDUCTED FOLLOWING BIRDSTRIKE AT TKOF WHICH HAS CAUSED THE OVERTEMPT OF THE ENGINE (PEAK 988°C FOR LESS THAN 1 MINUTE – AREA D). THE RECIEVED WORKSCOPE WAS REQUESTING SPECIFIC INSPECTIONS AFTER EGT EXCEEDANCE (TASK 72-
- [SDR CALA2026050415938](https://openairdocs.org/sdr/CALA2026050415938.md): Egt Indication · illuminated · Apr 30, 2026 · N76519 · Boeing 737824 · Engine (Turbine/Turboprop)
  > NUMBER 2 ENG HAD EGT SRGE INTO CAUTION RANGE DURING CLIMB TO F360 REM AINED 100C HIGHERPER INBOUND FLT CREW: TAKEOFF AND INITIAL CLIMB ALL NORMAL WITH NO ABNORMAL ENGINE ISSUES, WAS ABOUT TO REACH TOP OF CLIMB ABOUT FL 360 AND AUTOTHROTTLE STARTED BRING THROT
- [SDR CALA2026042215579](https://openairdocs.org/sdr/CALA2026042215579.md): O-Ring · damaged · Apr 14, 2026 · N75425 · Boeing 737924ER · Turbine Engine Oil System
  > AFTER TAKEOFF STRONG SMELL OF SOMETHING BURNING FROM THE FLIGHT DECK TO THE AFT GALLEY.SMOKE / ODOR IN THE PLANE QUESTIONAIRE PHOTO UPDATE VERBAL UPDATE FROM FLIGHT CREW: SMELLED SMOKE ON ROLL OUT, FLIGHT ATTENDANTS SAID IT WASNT OVENS, SMELL DISAPEARED AFTER
- [SDR BJNA202604070001](https://openairdocs.org/sdr/BJNA202604070001.md): Engine · failed · Apr 5, 2026 · N812VL · Boeing 7378EH · Engine (Turbine/Turboprop)
  > NR 2 ENGINE FAILURE ON TAXI OUT, ENGINE WAS RUNNING NORMALLY, ALL INDICATIONS NORMAL. NO ABNORMAL SECONDARY INDICATIONS, ENGINE RUNNING FOR APPROXIMATLY 20MINUTES BEFORE FALLING. C/W ENGINE FLAME OUT FIM TASK 73-06 TASK 807 UP TO STEP E2B, NO RELATED FAULTS N
- [SDR BJNA202601150001](https://openairdocs.org/sdr/BJNA202601150001.md): Bleed Valve · leaking · Jan 14, 2026 · N807VL · Boeing 7378EH · Compressor Bleed Valve
  > ON DESCENT THROUGH LOWER ALTITUDES BELOW 12,000 FT CABIN HAS STRONG ENGINE OIL/ WET SOCK SMELL. PERFORMED FIM FOR SMOKE/FUMES IN CABIN IAW FIM 21-00 TASK 806 UP TO STEP F. (F). OIL SMELL ON HAPPENS WHEN RIGHT ENGINE BLEED IS THE SUPPLY FOR PNEUMATIC/PACK SYST
- [SDR CALA2026011613005](https://openairdocs.org/sdr/CALA2026011613005.md): Lubrication · odor · Jan 14, 2026 · N77520 · Boeing 737824 · Engine (Turbine/Turboprop)
  > BURNING ODOR THRU ENTIRE CABIN. OVENS AND COFFEEMAKERS OFF. DISSIPATED EVENTUALY BUT SLIGHT ACRID ODOR. PERFORMED ENGINE RUN IAW AMM 71-00-00 WITH PACKS ON. NO ODOR DETECTED. SUSPECT ODOR CAME FROM BLADE LUBRICATION DONE THE NIGHT PRIOR TO FLIGHT. NO FURTHE
- [SDR SCNA20251222497](https://openairdocs.org/sdr/SCNA20251222497.md): Gasket · faulted · Dec 19, 2025 · N843SY · Boeing 73782R · Fuel Controlling System
  > NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF - REMOVED AND REPLACED FUEL, IPC ITEM #33 AND GASKET IPC ITEM #34 IAW AMM 73-21-10-420-009-F00. PERFOMRED LEAK CHECK PER AMM 73-00-00-800-811-F00. PERFOMRED LEAK CHECK PER AMM 71-00-00-800-811-
- [SDR SCNA20251222497S](https://openairdocs.org/sdr/SCNA20251222497S.md): Fuel Control · faulted · Dec 19, 2025 · N843SY · Boeing 73782R · Fuselage Miscellaneous Structure
  > NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF. REMOVED AND REPLACED FUEL, IPC ITEM 33 AND GASKET IPC ITEM 34 IAW AMM 73-21-10-420-009-F00. PERFOMRED LEAK CHECK PER AMM 73-00-00-800-811-F00. PERFOMRED LEAK CHECK PER AMM 71-00-00-800-811-F00
- [SDR CALA2025120911961](https://openairdocs.org/sdr/CALA2025120911961.md): Pump · faulty · Dec 6, 2025 · N79521 · Boeing 737824 · Fuel Controlling System
  > NUMBER 1 ENGINE N1 WOULD NOT INCREASE PAST 90. PERFORMED HIGH POWER ENGINES AT MAX POWER ENGINE 1 N1 - 91.5, FF - 8.60, EGT -769. ENGINE 2 N1 - 97.5, FF - 10.69, EGT - 834. PERFORMED FIM TASK 73-05 TASK 808. PER STEPE(2)(B) WE HAVE A VALUE OF REGULATOR 3.
- [SDR CALA2025120711819](https://openairdocs.org/sdr/CALA2025120711819.md): Engine · odor · Dec 5, 2025 · N77430 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > ROTTEN ODOR FROM PACK SYSTEM, BELOW 19000 FEET WC 29-0572-8-0107 INSP EA 7200-02341, NR 1 ENGINE CORE WASH WAS PERFORMED ON ENGINE 1. RESULTING IN ODOR. NO OTHER HISTORY NOTED OK TO CONTINUE.
- [SDR SCNA20251201455](https://openairdocs.org/sdr/SCNA20251201455.md): Engine · vibration · Nov 29, 2025 · N834SY · Boeing 7378KN · Engine (Turbine/Turboprop)
  > ENG 2 VIBRATIONS WERE AT 4.3 WHILE IN CRUISE. EMERGENCY DECLARED. R&R #2 ENG PER W/0 100261 T/C 710000000
- [SDR DALA2025103107995](https://openairdocs.org/sdr/DALA2025103107995.md): Slip Joint · leaking · Oct 29, 2025 · N3772H · Boeing 737832 · Engine Bleed Air System
  > ATB- RETURNED ATL DUE TO LEFT ENGINE OVERHEAT ON CLIMB OUT. CORRECTIVE ACTION: FOUND ECS BLEED DUCT SLIP JOINT LEAKING. REPLACED DUCT AND CLAMP. ALSO FOUND PRESSURE SENSE LINE TO BAR BROKEN. REPLACED SAME. RAN ENGINE TO TAKE OFF POWER. NO OVERHEAT WARNING. OPS
- [SDR 2025FA0000586](https://openairdocs.org/sdr/2025FA0000586.md): Engine · hung start · Aug 28, 2025 · Engine (Turbine/Turboprop)
  > AS A RESULT OF TROUBLESHOOTING AT GE WALES DUE TO REPETITIVE ENGINE START FAILURES DURING OPERATION (“HUNG STARTS”), AN INCORRECT PART NUMBER WAS FOUND TO BE ASSEMBLED ACCORDING TO THE ENGINE CONFIGURATION. PART NUMBER 1590M22P01 WAS INSTALLED INSTEAD OF PART
- [SDR CALA2025062505869](https://openairdocs.org/sdr/CALA2025062505869.md): Shutoff Valve · binding · Jun 22, 2025 · N73445 · Boeing 737924ER · Compressor Bleed Valve
  > NUMBER 1 ENG 9 PSI LEFT BLEED AFTER TAKEOFF PLACARDED #1 ENGINE BLEED PER MEL 3605A, LOCKED #1 PRSOV CLOSED. DISPATCH DESK: 35 TOMC APPROVES PLACARDED #1 ENGINE BLEED INOP PER MEL 3605A, PRSOV NEEDS REPLACEMENT REF AMM 36-11-04. REMOVED AND REPLACED ENG 1 PRSO
- [SDR CALA2025061705588](https://openairdocs.org/sdr/CALA2025061705588.md): Anti-Ice Valve · faulted · Jun 14, 2025 · N37427 · Boeing 737924ER · Engine Anti-Icing System
  > LEFT COWL VALVE FAIL CLOSED.FL320 -37C. REMOVED AND REPLACED #1 ENGINE COWL TAI VALVE. OPS CHECK GOOD NO LEAKS. REF AMM 30-21-11.
- [SDR CALA2025050904586](https://openairdocs.org/sdr/CALA2025050904586.md): Bleed Valve · faulty · May 6, 2025 · N87513 · Boeing 737824 · Compressor Bleed Valve
  > BLEED TRIP OFF LIGHT COMES ON DURING TAKEOFF LIGHT NO. 2 BLEED TRIP OFF ON DEPARTURE NO RESET CREW REPORTED #2E BLEED TRIP LIGHT CAME ON DOING "NO ENGINE BLEED TAKEOFF". CREW REPORTS TRYINT TO RESET BLEED TRIP WITH NO SUCCESS. CREW REPORTED NO BLEED SPLIT OR O
- [SDR CALA2025021702343](https://openairdocs.org/sdr/CALA2025021702343.md): O-Ring · damaged · Feb 13, 2025 · N77525 · Boeing 737824 · Turbine Engine Oil System
  > ENG1 WAS OBSERVED WITH OIL QUAN DECREASIN G APPROX 1 PRCNT EVR Y 165SECS REFERENCE LOG ITEMS:3861436 AND 3861390 EGC'S ACCOMPLISHED.REF LP 3859097. PLEASE ACCOMPLISH BEFORE FURTHER FLIGHT: INSPECT ALL MCDS PER AMM TASK 79-00-00-200-804-F00CHIP DETECTORS AND SC
- [SDR CALA2024122603165](https://openairdocs.org/sdr/CALA2024122603165.md): Oil Filter · faulty · Dec 25, 2024 · N73445 · Boeing 737924ER · Turbine Engine Oil System
  > NUMBER 2 ENGINE FILTER BYPASS. LIGHT BECAME STEADY. ENGINE SHUT DOWN. BITE FOR BYPASS OR OIL SCREEN. CREW BRIEFING: LIGHT BECAME STEADY WHEN E2 WAS BROUGHT TO IDLE. ENGINE NEVER LEFT NORMAL OPERATING LIMITS. CREW SHUT DOWN E2 FOLLOWING HIS QRH. NO LIMIT ON W
- [SDR CALA2024091600635](https://openairdocs.org/sdr/CALA2024091600635.md): Egt Indication · activated · Sep 14, 2024 · N73445 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > ON TAKE OFF AFTER ROTATION NR 1 ENGINE EGT AT 895-900 PERFORMED ENGINE 1 EXCEEDANCE CHECK. 962 DEGREES FOR ONE SECOND, REF FIM 71-00 TASK 805. REFERENCE TASK CARD 58-7200-9-0005
- [SDR CALA2024071502032](https://openairdocs.org/sdr/CALA2024071502032.md): Wire Harness · faulted · Jul 10, 2024 · N57439 · Boeing 737924ER · Engine Indicating System Wiring
  > NR 1 ENG ESN 896345 CHRONIC HISTORY EGT INDICATION FAULTS, CURRENT EEC BITE CHECK FAULT 77-20861 FINDING IN LP 8564232. REMOVE AND REPLACE CJ9 & CJ10 HARNESSES PE R AMM TASKS 73-21-06-000-803-F00 AND 73-21-06-400-803-F00, AND ( 2) REMOVE AND REPLACE J9 & J10
- [SDR CALA2024060501700](https://openairdocs.org/sdr/CALA2024060501700.md): Thrust Reverser · unknown · Jun 4, 2024 · N87531 · Boeing 737824 · Engine Thrust Reverser
  > OPENED THE #1 ENG COWLING AND T/R''S. PERFORMED ASSOSIATED LOTO AMM 78-31-00-440-803-F00. CLOSED ENG #1 COWLING AND T/R''S REF AMM 78-31-00-010-804-F00 AND CORRECTION: UP TO AND INCLUDING STEP 17. C. (7) AMM 71-11-02-410-801-F00. REMOVED LOTO AND ACCOMPLISHED
- [SDR 2024FA0000137](https://openairdocs.org/sdr/2024FA0000137.md): Shroud · missing · Feb 9, 2024 · Turbine Section
  > DURING DISASSEMBLY PROCESS OF SM53, A NOTIFICATION OF NON CONFORMITY HAS BEEN RAISED BY MECHANIC REGARDING 14 EA SEALS PN 1873M84P01 THAT HAS BEEN FOUND TO BE MISSING ( REFER TO BELOW SCHEME) ENGINE HAS BEEN MAINTAINED IN SAESM BACK ON 2022 FOR FAN CASE REPLAC
- [SDR DALA2023090607297](https://openairdocs.org/sdr/DALA2023090607297.md): Bleed Valve · inoperative · Sep 5, 2023 · N3772H · Boeing 737832 · Compressor Bleed Valve
  > SHIP 3772 - ATB - DUE TO THE LEFT ENGINE BLEED PRESSURE IS AT ZERO. CORRECTIVE ACTION: REPLACED PRE COOLER VALVE, PRSOV AND HIGH STAGE REGULATOR.
- [SDR 2023FA0000277](https://openairdocs.org/sdr/2023FA0000277.md): Gearbox · incorrect · May 26, 2023 · Boeing 737* · Accessory Gearboxes
  > THE ENGINE ABOVE WAS FITTED WITH ACCESSORY GEARBOX (AGB) P/N: 340-046-508-0, SN: WZ5025. DURING THE DISASSEMBLY, THE OPERATOR NOTICED THAT THE COVER WAS HELD IN PLACE BY 8 SCREWS P/N "AS3237-08" WHILE THE APPROVED DATA (ESM SM10 REV63 SECTION 726300) SPECIFI
- [SDR DALA2023012200467](https://openairdocs.org/sdr/DALA2023012200467.md): Fuel Control · inoperative · Jan 18, 2023 · N393DA · Boeing 737832 · Fuel Control/Turbine Engines
  > (LOG 9541398) ON ENGINE SHUT DOWN, THE LEFT ENGINE STAYED RUNNING WITH THE START LEVER IN CUTOFF. THE START LEVER HAD TO BE PULLED OUT AND IN SEVERAL TIMES BEFORE THE ENGINE SHUT DOWN. REPLACED HMU PER B737 AMM 73-21.
- [SDR DALA2022120607858](https://openairdocs.org/sdr/DALA2022120607858.md): Igniter · faulted · Dec 3, 2022 · N390DA · Boeing 737832 · APU Core Engine
  > SHIP 3720 - MISC/DE - DUE TO SINGLE ELECTRICAL SOURCE - LOSS OF LEFT GENERATOR AND UNSUCCESSFUL APU START. T/S PER THE FIM. REPLACED IDG AND APU IGNITER AND LEAD. OPS CHECKS GOOD AND RTS.
- [SDR ASAA2022082839674](https://openairdocs.org/sdr/ASAA2022082839674.md): Acoustic Panel · loose · Aug 28, 2022 · N564AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > WHILE WORKING ASA TC 78472000 #2 ENGINE FOUND FASTENERS LOOSE ON ACOUSTICAL PANEL BETWEEN STRUTS 4-5. GROUNDED - YES. TIGHTENED FASTENERS ON ACOUSTIC PANEL BETWEEN STRUTS 4-5 AS PER B737-800 AMM 72-23-02 ON #2 ENGINE.
- [SDR 2020F00427](https://openairdocs.org/sdr/2020F00427.md): Battery Pack · inoperative · Sep 23, 2020 · N735MA · Boeing 7378K5 · Emergency Lighting
  > LT EXTERIOR AFT TWO EMERGENCY LIGHTS INOPERABLE.
- [SDR DALA2020051802408](https://openairdocs.org/sdr/DALA2020051802408.md): Compressor Blade · damaged · May 15, 2020 · N303DQ · Boeing 737732 · Turbine Engine Compressor Section
  > A/C 3603 - IFSD/ATB - RETURNED TO ATL AND DECLARED AN EMERGENCY DUE TO NUMBER 2 ENGINE FAILURE. FLIGHT CREW PERFORMED QRH AND SHUT DOWN THE ENGINE. CORRECTIVE ACTION: INSPECTION FOUND DAMAGE TO 8TH STAGE HPC BLADES. REPLACED #2 ENGINE REFER TO LOG PAGE 1558574
- [SDR CALA2020051100963](https://openairdocs.org/sdr/CALA2020051100963.md): Gasket · leaking · May 11, 2020 · N87513 · Boeing 737824 · Fuel Control/Turbine Engines
  > ENGINE 2 SPOOLED DOWN 12000 FT. THEN FAILED. TRIED RESTART. NO D ICE. FOUND GASKET ON HMU OUTLET TO FUEL FLOW TRANSMITTER AND FUEL NOZZLES LEAKING CAUSING ENGINE NOT TO START. REMOVED AND REPLACED GASKET PER AMM 73-21-10-400-801-FOO. ALSO REPLACED MAIN FUE
- [SDR DALA2020012400569](https://openairdocs.org/sdr/DALA2020012400569.md): Engine · failed · Jan 22, 2020 · N303DQ · Boeing 737732 · Engine (Turbine/Turboprop)
  > SHIP 3603 - ATO -DURING TAKEOFF ROLL THE RIGHT ENGINE STALLED AND FLAMES WERE REPORTED FROM TAILPIPE. CREW ABORTED TAKEOFF AND SHUTDOWN THE RIGHT ENGINE. CORRECTIVE ACTION: BOROSCOPE INSPECTION REVEALED HPC DAMAGE. MAINTENANCE REPLACED THE RIGHT ENGINE, AIRCRA
- [SDR CALA2019120302134](https://openairdocs.org/sdr/CALA2019120302134.md): Engine · contaminated · Dec 2, 2019 · N53442 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > RETURNED AFTER TAKE OFF DUE TO SGNIFICANT FUMES IN CABIN PERFORMED SMOKE/ODOR CONDITIONAL INSPECTION IAW AMM 05-51-26-800-801C1 THROUGH STEP C FOR AIR RETURN. RAN BOTH ENGINES FOR MINIMUN OF 10MINS AT PART POWER WITH PACKS AND NO SMOKE/ODOR WAS EVIDENT. SUSPEC
- [SDR QEMY2019070900001](https://openairdocs.org/sdr/QEMY2019070900001.md): Disc · damaged · Jun 26, 2019 · N466L · Boeing 737 · Turbine Engine Compressor Section
  > IT HAS BEEN HIGHLIGHTED IN THE INSPECTION PROCESS VIA AN INTERNAL REPORT REQUEST #195418012 THAT THE STAGE 3 DISC HAS DAMAGE IN NUMEROUS LOCATIONS AND HAS BEEN REMOVED FROM SERVICE EARLY DUE TO CONDITION. IMPACT DAMAGE ON SURFACE G AND DISC RETAINER HOOK AREA
- [SDR CALA2019030800375](https://openairdocs.org/sdr/CALA2019030800375.md): Engine · damaged · Mar 8, 2019 · N75426 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > ENGINE SURGE FL350 CRUISE M.80 MIN 4 BANGS NOT SHUTDOWN OPERATE NORMAL POST DESCENT ENG NR 1, 15-20 SEC. DURATION, ROLLED BACK TO 50%, WAS EXPERIENCING MOUNTAIN WAVE, DID NOT SPOOL BACK UP. THROTTLES WERE GOING BACK AND FORTH. ENGINE 2: 03 ENGINE 1: 03 OIL SER
- [SDR DALA2019030301401](https://openairdocs.org/sdr/DALA2019030301401.md): Engine · leaking · Mar 3, 2019 · N310DE · Boeing 737732 · Engine (Turbine/Turboprop)
  > SHIP 3610 - ATO - DURING TAKEOFF FLAMES WERE REPORTED FROM TAILPIPE. CREW ABORTED TAKEOFF. MAINTENANCE REPORTED OIL LEAKAGE BEYOND AMM LIMIT. CORRECTIVE ACTION: MAINTENANCE REPLACED THE NUMBER 1 ENGINE.
- [SDR CA190228006](https://openairdocs.org/sdr/CA190228006.md): Hose · deteriorated · Feb 28, 2019 · Boeing 7378HX · Hydraulic System, Main
  > (CAN) ELEVATOR FEEL DIFFERENTIAL PRESSURE LIGHT ILLUMINATED INTERMITTENTLY BOTH ON THE GND AND IN THE AIR. MULTIPLE REPORTS FROM CREW MADE THE DEFECT A REPEAT OCCURRENCE. INITIAL FOLLOW UP FROM MAINTENANCE SHOWED THAT LIGHT ILLUMINATES AFTER ENG#1 START. DUR
- [SDR CALA2018120202460](https://openairdocs.org/sdr/CALA2018120202460.md): Check Valve · inoperative · Nov 29, 2018 · N37437 · Boeing 737924ER · Engine Fuel Distribution
  > CREW REPORTS LOUD BANG FOLLOWED BY UNCOMMANDED SHUTDOWN OF THE RIGHT ENGINE, ENGINE WAS SUCCESFULLY RESTARTED AFTER APPROX 10 MIN, POSITIVE OIL PRESS MAINTAINED DURING WINDMILL. ENGINE OPERATED NORMALLY AFTER RESTART AND RESPONDED TO THRUST COMMANDS. CREW REPO
- [SDR CALA2018101302094](https://openairdocs.org/sdr/CALA2018101302094.md): Chip Detector · dislodged · Oct 11, 2018 · N36444 · Boeing 737924ER · Turbine Engine Accessory Drive
  > CREW REPORTED NR 1 ENGINE OIL LOSS INFLIGHT. NR 1 ENGINE SHUT DOWN. RETURN TO FIELD. AFTER ARRIVAL AT GATE INSPECTED NR 1 ENGINE. OPENED OUTBOARD COWL. COWL RETENTION BAR WAS NOT IN THE SECURE POSITION. OIL CAP WAS SECURE. FOUND CENTER MCD DISLODGED AND LOOSE
- [SDR DALA2018090705484](https://openairdocs.org/sdr/DALA2018090705484.md): Eec · malfunctioned · Sep 6, 2018 · N307DQ · Boeing 737732 · Fuel Control/Turbine Engines
  > TOWER CANCELLED T/O CLEARANCE DUE TO FLAMES REPORTED FROM THE NR 1 ENGINE TAIL PIPE DURING TAXI. T/O ROLL DISCONTINUED AT APPROXIMATELY 20 KNOTS. MAINTENANCE REMOVED AND REPLACED EEC PER AMM 73-21. OPS CHECK OK.
- [SDR DALA2018071104444](https://openairdocs.org/sdr/DALA2018071104444.md): Engine · making metal · Jul 10, 2018 · N399DA · Boeing 737832 · Engine (Turbine/Turboprop)
  > ATO - DURING TAKEOFF AS TO/GA WAS SELECTED AND THE THROTTLES STARTED TOWARD TAKEOFF SETTING A LARGE VIBRATION WAS FELT AND ENGINE FAIL MESSAGE ILLUMINATED. CREW ABORTED TAKEOFF. MAINTENANCE FOUND METAL FRAGMENTS IN TAIL PIPE OF NUMBER 1 ENGINE. REMOVED AND REP
- [SDR CA180404023](https://openairdocs.org/sdr/CA180404023.md): Transmitter · malfunctioned · Apr 1, 2018 · Boeing 737 · Trailing Flap Position Indicating System
  > (CAN) DURING LANDING FLAPS WOULD NOT MOVE FROM `15` POSITION WHEN SELECTED TO ANY OTHER POSITION. CREW DECLARED PAN PAN DUE TO NON-NORMAL FLAP SETTING ON LANDING. C/O FSEU BITE, IAW AMM 27-51 TASK 801 AND FOUND NO EXISITING FAULTS. FAULT HISTORY SHOWS FAULT
- [SDR CALA2018021200608](https://openairdocs.org/sdr/CALA2018021200608.md): Engine · odor · Feb 12, 2018 · N77518 · Boeing 737824 · Engine (Turbine/Turboprop)
  > INBOUND FLT CREW REPORTED BIO FUEL ODOR IN THE FLT DECK AND FWD GALLEY AREA, DURING DESCENT. AIRSPEED 250, ALT 10000 FT AND LOWER ENGINES AT IDLE BLEEDS ON, APU OFF, PACKS ON TEMPS SELECTORS IN AUTO. HYD QUANTITY AND PRESSURE WITHIN NORMAL RANGE. ODOR WAS
- [SDR CALA2017122904656](https://openairdocs.org/sdr/CALA2017122904656.md): Eec · faulted · Dec 29, 2017 · N87513 · Boeing 737824 · Fuel Controlling System
  > NR 1 ENGINE STARTS BUT HAS NO RESPONSE TO THROTTLE MOVEMENT IAW AMM 73-21-60, REPLACED THE NR 1 ENGINE EEC IAW AMM 73-21-60-400-801-FOO. INSPECTED THE NR 1 ENGINE EEC INSTALLATION IAW AMM 73-21-08, TEST PASSED. RAN ENGINE ADVANCE THROTTLE FUEL FLOW INCREA
- [SDR CALA2017122804626](https://openairdocs.org/sdr/CALA2017122804626.md): Line · clogged · Dec 28, 2017 · N87513 · Boeing 737824 · Engine (Turbine/Turboprop)
  > LEFT ENGINE, AFTER START AND STARTER CUTOUT, N1 17%, SHOULD BE 22%, AND N2 AT 52%, SHOULD BE 58%. WITH NO THROTTLE RESPONSE. FOUND PS3 OUT OF SIGNAL FAULT. BLEW OUT PS3 LINE IAW FIM 73-26-0 0-810-803. COMPLIED WITH ENGINE RUNS AND EEC BITE AGAIN AND FOUND N
- [SDR CALA2017121804499](https://openairdocs.org/sdr/CALA2017121804499.md): Eec · malfunctioned · Dec 18, 2017 · N75429 · Boeing 737924ER · Fuel Controlling System
  > NR 1 ENGINE CONTROL LIGHT ON AFTER LANDING HAD NO THROTTLE CONTROL DURING TAXI IN. PERFORMED EEC BITE TEST IAW 73-21-00. EEC BITE PASSED. EEC FAULT HISTORY ONLY SHOWS MESSAGE NUMBER 78-31521. MESSAGE IS ASSOCIATED WITH NR 1 ENGINE T/R NOT IN COMMANDED POSITI
- [SDR CALA2017102003654](https://openairdocs.org/sdr/CALA2017102003654.md): O-Ring · leaking · Oct 20, 2017 · N53441 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > ANOTHER AIRCRAFT OBSERVED FLAMES COMING OUT OF THE NR 1 ENGINE FOR ABOUT A MINUTE AFTER START. PERFORMED GENERAL VISUAL INSPECTION OF THE NR 1 ENGINE EXHAUST SECTION AND INLET, NO EVIDENCE OF ENGINE FIRE ON INBD FLAP ASSEMBLY OR PYLON. CREW REPORTED NO UNUSA
- [SDR CALA2017101303577](https://openairdocs.org/sdr/CALA2017101303577.md): Packing · missing · Oct 13, 2017 · N76516 · Boeing 737824 · Engine (Turbine/Turboprop)
  > DURING TAXI TO RUNWAY, ANOTHER AIRCRAFT REPORTED A FLAME COMING OUT OF THE NR 1 ENGINE. FOUND OIL IN TAIL PIPE CAUSING CANDLE FIRE. CLEANED TAIL CONE AND INSPECTED IAW AMM 71-71-00-200-801-F00, VENTS & DRAINS. SUMP DRAIN APPROX 20 DROPS PER MINUTE. PERFORM
- [SDR DALA2017081806304](https://openairdocs.org/sdr/DALA2017081806304.md): Engine · fire · Aug 17, 2017 · N305DQ · Boeing 737732 · Engine (Turbine/Turboprop)
  > DURING TAKEOFF, FLAMES WERE REPORTED OUT THE TAIL OF THE LEFT ENGINE. CREW ABORTED TAKEOFF, NO FIRE BOTTLES DISCHARGED. MAINTENANCE PERFORMED EEC BITE AND CHECKED FOR EXCEEDANCES. BORESCOPED ENGINE NO DAMAGE FOUND. REMOVED AND REPLACED NUMBER ONE ENGINE HMU I
- [SDR CALA2017022400441](https://openairdocs.org/sdr/CALA2017022400441.md): Engine · low pressure · Feb 21, 2017 · N87513 · Boeing 737824 · Engine (Turbine/Turboprop)
  > SHUT DOWN RT ENG INFLT DUE LOW OIL PRESS. NR 2 ENGINE REPLACED PER W/C 29-7100-1-0900 AND 4900.

Next page: https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'CFM567B263'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series/reports

---
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