CFM International CFM56-7B26E series

Service difficulty reports · 26

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "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 = 'CFM567B26E'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2026FA0000907Oil System · leakingAIRCRAFT HAD COMPLETED TEST FLIGHT AND WAS RETURNING TO BASE WHEN WARNING INDICATION SHOWED NR 2 ENGINE OIL QUANTITY WAS LOW (SHOWING 3 QUARTS). FLIGHT CREW PERFORMED INFLIGHT SHUTDOWN AND COMPLETED EMERGENCY LANDING AT BASE. AFTER PARKING, THE NR 2 ENGINE OIOct 27, 2026 · N400AS · Boeing 73782R · Turbine Engine Oil SystemSDR 3CEY2026100200001Manifold · chafedDURING THE INCOMING INSPECTION THE FOLLOWING FINDINGS WERE OBSERVED FUEL MANIFOLD TUBE CHAFED WITH HOLE AT 11 O'CLOCK POSITION AFT LOOKING FORWARD, WEAR TO THE LPT COOLING BRACKET, ABRASIONS ON COMBUSTION CASE LOCATED ON THE TOP OF THE MID-FLANGE - DAMAGE DIMESep 29, 2026 · N9HQET · Boeing 7378AS · Turbine Engine Combustion SectionSDR CALA2025121212077Anti-Ice Valve · faultedUPON APPLICATION OF T/O THRUST RT ENG COWL ANTI- ICE AMBER LIGHT ILLUMINATED. R & R OF NR 2 COWL ANTI ICE VALVE, RT ENG ANTI-ICE VALVE REPLACED. OPS CHECK OK IAW AMM 30-21-11.Dec 10, 2025 · N34460 · Boeing 737924ER · Engine Anti-Icing SystemSDR CALA2025082708197Thermocouple · faultedRIGHT ENGINE EXCEEDED EGT 964. R & R NR 2 ENG LEFT UPPER EGT PROBE (T49.5S4) IAW AMM 77-21-04-401. PROBE TESTS OK, R & R LT LOWER NR 3 EGT PROBE ON NR 2 ENG IAW AMM 77-21-04-401 PROBE OPS CHECKS GOOD. R & R T495S4 AND CLEANED ALL T495 SENSRS, J9, J10, CJAug 24, 2025 · N68453 · Boeing 737924ER · Engine Temperature Indicating SystemSDR CALA2025070806345Check Valve · failedFOUND OP1 5TH STAGE VALVE TO BE UNSERVICEABLE. REMOVED AND REPLACED L/H #1 ENG.T/R 5TH STAGE VALVE I.A.W. AMM 36-11-02 THIS ENTRY IS FOR FAILURE OF 5TH STAGE CHECK VALVE.Jul 7, 2025 · N78540 · Boeing 737824 · Compressor Bleed ValveSDR CALA2025041703927Ignition Sys · inoperativeENG 2 FAIL TO START SRONG FUEL SMELL MOTOR ENG SECOND ATTEMPT UN SUCCES REQUEST MEL 7401G. IGNITION 2 FAULTY. MX MSG 74-30962. IGNITION EXCITER LEFT/RIGHT POWER SUPPLY CABLES HAVE BEEN SWAPPED. WHEN CLEARING THIS MEL ITEM, ENSURE IGNITION EXCITER LEFT/RIGHT POApr 17, 2025 · N34460 · Boeing 737924ER · Ignition SystemSDR DALA2025032702258Fuel Control · malfunctionedSHIP 3769 -DIV- TO PDX DUE TO RIGHT ENGINE SUSPECTED STALL. CORRECTIVE ACTION: BSI SHOWS NO DAMAGE TO COMPRESSOR. REPLACING HMU, FUEL PUMP, EEC AND BLOWING OUT PS3 LINE. FOQA DATA SHOWS ENGINE DID NOT STALL BUT FAILED TO ACCELERATE AFTER BOTH ENGINES WERE THROMar 24, 2025 · N3769L · Boeing 737832 · Fuel Control/Turbine EnginesSDR SCNA20241017329Engine · power lossDEFECT 698089: ENGINE #2 N1 LIMITED ON TAKEOFF 81% THEN WE COULD NOT GET MORE THAT 76% N1 AT 6000'. NO OTHER ABNORMAL INDICATION. 10 MINUTES LATER ENGINE FAILED ON ITS OWN (EMERGENCY DECLARED). - - RESOLUTION: PERFORMED HIGH POWER ENGINE RUN IAW AMM 71-00-00Oct 16, 2024 · N846SY · Boeing 7378 · Engine (Turbine/Turboprop)SDR CALA2024100700780Valve · faultyL BLEED TRIP OFF LGT CAME ON AT 80KTS. TAKEOFF ABORTED. FOLLOWED FIM 36-10 TASK 809. UNABLE TO PERFORM TS OF PRECOOLER CHK AT LINE. REQUESTING MEL MEL 3603A CANNOT DEFER DUE TO ICING RESTRICTION REF AMM 36-11-00-700-801 ACCOMPLISHED HEALTH CHECK ON HIGH STAGE Oct 3, 2024 · N68452 · Boeing 737924ER · Engine (Turbine/Turboprop)SDR DALA2024012200941Compressor · stalledSHIP 3753- ATB, IFSD - RIGHT ENGINE COMPRESSOR STALL AND FAILURE AFTER TAKEOFF. CORRECTIVE ACTION: MAINTENANCE INSPECTED TAIL PIPE AND FOUND METAL; ENGINE CHANGE REQUIRED. ENGINE CHANGE IN WORK.Jan 21, 2024 · N3753 · Boeing 737832 · Turbine Engine Compressor SectionSDR CALA2022122603492Transmitter · inoperativeOIL FILTER BYPASS MESSAGE SHOWS ON THE ENGINE DISPLAY ENG 1 LIGHT EXTINGUISHED WHEN THRUST LEVER RETARDED REF TASK 79-05 TASK 817 REMOVED AND REPLACED SCAVENGE OIL FILTER :1 29-7912-3-0001,QTY :1 99-7921-3-0008,QTY :1 AND CLOGGING TRANSMITTER AND INSPECTED Dec 25, 2022 · N68453 · Boeing 737924ER · Turbine Engine Oil SystemSDR SWAA2022120677846Oil System · low pressureAT FL370 NR 2 ENGINE OIL QTY AND PRESSURE STEADILY DROPPED TO ZERO; WITH ASSOCIATED ALERTS. COMPLIED WITH QRH PROCEDURES UP TO ENGINE SHUT DOWN. REMOVED AND REPLACED THE NR 2 ENGINE IAW 771-00-01 (LINE 12).Dec 2, 2022 · N8601C · Boeing 7378H4 · Engine (Turbine/Turboprop)SDR CALA2022111603151Vent Line · low pressureTHIS IS A SUPPLEMENTAL REPORT FOR THE SAME CONTROL NUMBER SUBMITTED ON 11/16/22. LOSS OF OIL PRESSURE AND 0 OIL QUANTITY RIGHT ENGINE. REMOVED SPINER CONES, REPLACED CENTER VENT TUBE AND ORINGS. PERFORMED LEAK AND OPS CHECK. OPS CHECK GOOD. NO LEAKS NOTED AT TNov 13, 2022 · N34455 · Boeing 737924ER · Powerplant SystemSDR DALA2022111007273Pump · damagedSHIP 3764 -HYD/GEAR- DUE TO LOSS OF A SYSTEM HYDRAULICS AND SUBSEQUENT ALTERNATE GEAR EXTEND. CORRECTIVE ACTION: MAINTENANCE IN PROGRESS TO REPLACE #1 ENGINE DRIVEN PUMP.Nov 7, 2022 · N3764D · Boeing 737832 · Hydraulic Pump (Electric/Engine), MainSDR CALA2022071801802Connector · carbonedENGINE #1 OVERTEMPERATURE (EXCEPT STARTING) EGT OVER REDLINE.CONNECTORS AND FOUND LOWER LH EGT PROBE CONNECTOR WITH CARBON BUILT UP, SUGGEST CHANGING S3 EGT PROBES THEN PERFORM A POWER ASSURANCE RUN TO VERIFY CORRECTION. REPLACED THERMOCOUPLES S3 AND S4.PREFORJul 18, 2022 · N34460 · Boeing 737924ER · Engine Temperature Indicating SystemSDR CALA2022070401645Fuel Heater · high pressureNUMBER 2 ENGINE OIL FILTER BYPASS MASTER CAUTION. DID NOT EXTINGUISH CREW REPORTS HIGHER OIL PRESSURE ON #2 ENG AROUND 140PSI AND OIL QUANTITY IS 99%. REMOVED AND REPLACED #2 ENG SERVO FUEL HEATER,#2 ENG FUEL OIL HEAT EXCHANGER PER TOMC REQUEST. #2 ENG SERVO Jul 4, 2022 · N38459 · Boeing 737924ER · Engine Exhaust SystemSDR CALA2022062001544Engine · overtempREJECTED TAKEOFF APROXIMATELY 110KTS DUE RED EGT ENGINE 2 INDICATION #2 ENG EXCEEDANCE WAS 950 DEGREES CELSIUS FOR 4 SECONDS, PEAKED OPENED ENGINE FOR BORESCOPE REF AMM 72-00-00-200-807-F00 AND ACP BOROSCOPES USING AMM72-00-00-200-807F00, AND AT 980 DEGREES CEJun 20, 2022 · N37462 · Boeing 737924ER · Engine Temperature Indicating SystemSDR 2022F00191Bearing · out of limitsFOLLOWING DECLARATION OF OUR CONTRACTOR SAFRAN TRANSMISSION SYSTEM ABOUT APPROVED DATA INCONSISTANCY HE FOUND OUT TYPO IN DATASHEET RECORDING LEADING TO AN UNCORRECT DECISION. THE BEARING CAUSING DIFFICULTY HAVE RADIAL CLEARANCE OUT OF TOLERANCE. THE BEARApr 13, 2022 · Boeing 737 · Turbine Engine Accessory DriveSDR SWAA2022041192640Engine · failed#2 ENG FAILURE DURING CLIMBOUT / [01] PERFORMED ENGINE TROUBLESHOOTING PER ESN 960782. RAN ENGINE AT 96% N1 FOR 5 MIN. NO LEAKS AND OPS CHECK NOR AL.Apr 9, 2022 · N8600F · Boeing 7378H4 · Engine (Turbine/Turboprop)SDR CALA2021040500421Transmitter · faultedDURING TAKEOFF ENG 2 FUEL FLOW WAS LOW AND FLUCTUATING WITH FILT ER BYPASS LIGHT ILLUM. ON CALL CONTRACT MX PERFORMED EEC BITE I.A.W FIM TASK 73-00-00-810-801-F00 AND FOUND 1 MSG FOR FUEL FILTERS DISAGREE BOWL TO BE CLEAN I.A.W AMM 73-05-00-810-801-F00 . 73-31Apr 5, 2021 · N38458 · Boeing 737900ER · Fuel Flow IndicatingSDR QEMY202103250001Shaft · wornAT INCOMING INSPECTION TURBINE MODULE - THE HPTR REAR SHAFT HAS BEEN FOUND WITH WEAR OVER MANUAL LIMITS. THE PART IS A CHAPTER 5 ITEM AND AN LLP. THE PART HAS BEEN REMOVED FROM SERVICE EARLY.Mar 5, 2021 · N466L · Boeing 737* · Turbine SectionSDR CALA2021021000161Hmu · malfunctionedTHROTLE SPLIT ON T/O FROM ORD W/ENG A/I ON. NEEDED TO PUSH LEFT THROTTLE 1 1/4 KNOB DEBRIFED CREW ON ARRIVAL. #1 ENG THROTTLE HAD TO BE MOVED TO MATCH #2 ENG. ENG#1 N1 89.5 ENG#2 N1 91.8 FOR T/O. DURING CLIMB A/T MATCHED AND A/C FLEW NORMAL. T/S PER FIM TASK 7Feb 10, 2021 · N78448 · Boeing 737924ER · Fuel Controlling SystemSDR DALA2020081002744Pump · inoperativeDE/HYD- DECLARED EMERGENCY INTO FAI DUE TO 'A' SYSTEM HYDRAULIC QUANTITY DROPPING. PRESSURE NORMAL. ALTERNATE GEAR EXTEND UTILIZED. CORRECTIVE ACTION: REPLACED LT ENGINE HYDRAULIC PUMP AND 'A' SYSTEM HYDRAULIC PRESSURE MODULE. PERFORMED 'A' HYDRAULIC SYSTEM FLAug 8, 2020 · N3752 · Boeing 737832 · Hydraulic Pump (Electric/Engine), MainSDR SWAA2020040134812Eec · faultyON TAKEOFF; LEFT ENG CONTROL LIGHT ILLUMINATED. (LOW SPEED REJECT) APPROX 60-70 KTS / R&R #1 ENG EEC PER MM 73-21-60. ISSUE # 2845700. POS 1 P/N OFF 2042M67P02 S/N OFF FFFB0038 P/N ON 2042M67P04 S/N ON FFFH2497Mar 28, 2020 · N8600F · Boeing 7378H4 · Fuel Control/Turbine EnginesSDR CALA2019082301427Warning Message · illuminatedENGINE OIL QUANTITY INDICATION, LOW. NR 2 ENGINE QUANTITY DROPPED TO 0 AND STAYED AT 0 AT FL310. OIL PRESSURE START FLUCTUATE. INSPECTED CHIP DETECTORS AND SCAVENGE SCREENS IAW AMM SCAVENGE SCREEN. REMOVED AND INSTALLED MCD IAW AMM 79-21-05. FOUND TEFAug 23, 2019 · N39450 · Boeing 737924ER · Turbine Engine Oil SystemSDR CA190305015Window · cracked(CAN) R1 WINDOW CRACKED PRIOR TO ETOPS ENTRY POINT AND CREW CARRIED OUT AN AIR TURNBACK TO DEPARTING STATION. R1 WINDOW WAS REPLACED IAW AMM 56-11-11.Mar 4, 2019 · Boeing 737* · Flight Compartment Windows
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