GE CFM56 series

Service difficulty reports · 5,028

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 = 'CFM56'
  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 2006UALA00349Warning Light · illuminatedARRIVED UNDER AMBER ALERT WITH FLAP PROBLEM. TRAILING EDGE FLAP INDICATOR HAD A SPLIT FLAP INDICATION. LEFT FLAP POSITION READ 15, RIGHT FLAP POSITION READ 0. FLAP POSITION INDICATOR (MR27583) WAS REPLACED PER AMM 27-58-01, PAGES 501-504. OPERATIONAL CHECKFeb 26, 2006 · N336UA · Boeing 737322 · Trailing Flap Position Indicating SystemSDR AMTA200600144Fmc · malfunctionedCAPTAIN FMC LOCKED UP. REMOVED AND REPLACED CAPTAINS FMC CDU IAW AMM. OPS CHECK GOOD. (K)Feb 26, 2006 · N318TZ · Boeing 73783N · Flight Management Computing Hardware SystemSDR 2006UALA00348Anti-Ice Valve · inoperativeCOWL ANTI-ICE LIGHT ON. ORD PERFORMED OPS CHECK OF ENGINE NR 1 ANTI-ICE SYSTEM, AND FOUND ANTI-ICE VALVE MR30201 TO BE FAULTY. ORD MM REPLACED ANTI-ICE VALVE PER MM30-21-11, AND OPS CHECKED PER MM30-21-00, WITH NO FAULTS FOUND. ANTI-ICE VALVE WAS FAULTY. NFeb 26, 2006 · N348UA · Boeing 737322 · Ice/Rain Protection SystemSDR 2006UALA00342Skin · dentedTWO DENTS FOUND IN FUSELAGE SKIN JUST AFT OF LT UPPER PITOT TUBE. CUT -OUT DAMAGE AND INSTALLED DOUBLER REPAIR PER FIG 201 DETAIL V,Feb 24, 2006 · N927UA · Boeing 737522 · Fuselage Main, Plate/SkinSDR 2006UALA00357Wire · exposedTHE NR 1 AFT FUEL BOOST PUMP WIRING WAS FOUND CHAFED THROUGH PLASTIC SHEATHING AND INTO WIRING INSULATION WITH BARE WIRING EXPOSED IN THREE AREAS DURING INSPECTION MANDATED BY AD99-21-15 ON UAL JIC 2S124. REPLACED WIRE ASSEMBLY AS REQUIRED PER AD 99-21-15. CFeb 24, 2006 · N326UA · Boeing 737322 · Fuel System WiringSDR CA060221003Hmu · malfunctionedAFTER T/O YOW EN ROUTE YVR ENG 2 COMPRESSOR VANE MSG SEVERAL TIMES DURING FLIGHT. CREW ELECTED TO DIVERT TO YUL. ACFT ROUTED TO BASE FOR INVEST. HMU REPLACED AS PER T/S.Feb 20, 2006 · Airbus A321211 · Fuel Controlling SystemSDR AMTA200600141Indicator · unserviceableDURING CLIMB OUT ISFD DID NOT AGREE WITH PRIMARY NO ATTITUDE FLAG. REMOVED AND REPLACED ISFD IAW AMM. OK FOR SERVICE. (K)Feb 19, 2006 · N319TZ · Boeing 73783N · Attitude and Direction Data SystemSDR 2006UALA00350Compressor · stalledCOMPRESSOR STALL DESCENDING OUT OF FL370. RECOVERED INSTANTLY. NO FLUXUATIONS IN ANY ENG PARAMETERS,ONLY AN AUDIBLE REPORT. :ACP STEPS 1 THRU 7 OF COMPRESSOR STALL TROUBLESHOOTING MANUAL REF 71-00-92 INCLUDING BOROSCOPE STEP 3 REF MM 72-00-41. NO LIMITING DEFeb 19, 2006 · N918UA · Boeing 737522 · Turbine Engine Compressor SectionSDR AMTA200600140Coupler · unserviceableHF NR 1 TRANSMISSION PROBLEMS AT ALL STATIONS. REMOVED AND REPLACED NR 1 HF ANTENNA COUPLER IAW AMM. OPS CHECK GOOD. (K)Feb 15, 2006 · N301TZ · Boeing 73783N · HF Communications SystemSDR AMTA200600139Line · looseRT DUCT PRESSURE DROPS FROM 35 PSI TO 15 PSI SERVER AT TIMES IN FLIGHT. FOUND LOOSE SENSE AIR LINE ON BLEED AIR REGULATOR. TIGHTENED LINE. PERFORMED FIM 36-10-00 810-807 OPS CHECK NORMAL. RAN ENG AT 80 PERCENT FOR 5 MINUTES, NO FLUCTUATIONS. (K)Feb 13, 2006 · N318TZ · Boeing 73783N · Pneumatic Distribution SystemSDR SB06015Transfer Valve · not openedDURING CRUISE, CREW BEGAN FUEL CROSSFEED PROCEDURE DUE TO A 1,400LB FUEL IMBALANCE (LOW IN LEFT TANK). TURNED OFF BOTH LEFT FUEL PUMPS BUT FAILED TO OPEN CROSSFEED VALVE. FLEW APPROX 30 MORE MINUTES IN THIS CONFIGURATION. DURING DESCENT, AT IDLE POWER SETTIFeb 11, 2006 · N780AU · Boeing 7374B7 · Fuel Transfer ValveSDR TSAA0652013Door · openON TAKE-OFF ROLL, AFT ENTRY DOOR INDICATOR ILLUMINATED. THE CREW EXECUTED A REJECTED TAKE-OFF AT 90 KTS. INDICATED AIRSPEED AND RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND AND REMOVED DEBRIS FROM THE DOOR TRACK, INSPECTED AND OPS CHECKEDFeb 11, 2006 · N741AL · Boeing 73776N · Passenger/Crew DoorsSDR SWAA060474Stringer · corrodedDURING SCHEDULED D-CHECK, FOUND FUSELAGE STRINGER CORRODED BETWEEN BS374 TO BS380, STR 28L. REPAIRED STRINGER IAW SRM.Feb 8, 2006 · N310SW · Boeing 7373H4 · Fuselage Main, Longeron/StringerSDR AMTA200600131Gps · inoperativeLT GPS INOPERATIVE. PERFORMED A/T OF LT GPS. NO PROBLEMS FOUND. OPN NRML. (K)Feb 8, 2006 · N317TZ · Global Positioning SystemSDR AMTA200600132Gps · malfunctionedLT GPS INOPERATIVE. COULD NOT DUPLICATE ON GROUND. SWAPPED MMR FOR T/S PN 066-50029-1101, SN 03008 IS NOW IN THE NR 1 POSITION, SN 02079 IS NOW IN NR 2 POSITION. (K)Feb 8, 2006 · N317TZ · Boeing 73783N · Global Positioning SystemSDR AMTA200600136Gps · inoperativeLT GPS INOPERATIVE. PERFORMED AT OF LT GPS. NO PROBLEMS FOUND. OPN NRML. (K)Feb 8, 2006 · N317TZ · Boeing 73783N · Global Positioning SystemSDR AMTA200600137Gps · inoperativeLT GPS INOPERATIVE. COULD NOT DUPLICATE ON GROUND, SWAPPED MMRS RO T/S PN 066-50029-1101, SN 03008 IS NOW IN THE NR 1 POSITION, SN 02079 IS NOW IN THE NR 2 POS. (K)Feb 8, 2006 · N317TZ · Boeing 73783N · Global Positioning SystemSDR IXXA0600104OGyro · inoperativeDURING CLIMB OUT CAPTAINS EHSI FAILED. MULTIPLE FLAGS COMPUTER FLAGS HDG INT. CREW RETURNED AIRCRAFT TO DEPARTURE AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED CAPT'S VG AND DG AND REPLACED WITH LTR-97 UNIT IAW APPLICABLE MM. THE OPERATIONAL CHECK GOOD AND Jan 25, 2006 · N604BX · Doug DC873F · Directional Gyro and Indicating SystemSDR SB06008Bottle · low pressurePILOT REPORTED THE AFT RT SERVICE DOOR ESCAPE SLIDE PRESSURE GAUGE INDICATED RED. MAINTENANCE REMOVED AND REPLACED THE AFT RT SERVICE DOOR ESCAPE SLIDE IAW MM 25-61-35. PRESSURE CHECKS GOOD.Jan 22, 2006 · N406US · Boeing 737401 · Escape SlideSDR IXXA06SMN036SFloorbeam · corrodedDURING ROUTINE C CHECK INSPECTION, MAIN CARGO MPT. ATTACH FITTING FRAME AND FLOOR BEAN CORRODED STA 640.000 L.216. REMOVED CORROSION IAW SRM 51-1-8 PAGES 17-18. FOUND OUT OF LIMITS IAW SRM 53-2-0 PAGE 2P. REMOVED CORRODED FITTING IAW SRM 51-1-20D. CLEAN AND TJan 16, 2006 · N606AL · Doug DC873F · Fuselage Main, Floor BeamSDR IXXA06SMN038SFitting · crackedDURING ROUTINE C CHECK INSPECTION, MAIR CARGO MPT - NR 1 TRACK ATTACH FITTING CRACKED + FLOOR SUPPORT ANGLE CRACKED STA 1580.000 LBL.60. REMOVED CRACKED FITTING IAW SRM 51-3-0. FABRICATED NEW FITTING (ALCLAD 7075 T6 51) IAW ATI REPAIR SPECIFICATION NR 2005-0Jan 16, 2006 · N606AL · Doug DC873F · Fuselage Miscellaneous StructureSDR IXXA06SMN042SSkin · damagedDURING ROUTINE C CHECK INSPECTION, RT IB FLAP UPPER SKIN HAS INTERN REPAIR XW 105.000. PERFORMED MAJOR REPAIR IAW SRM 57-7-1 PAGE 1. REMOVED DAMAGED PLATING SEGMENT IAW SRM 57-1-0 PAGE 1, SRM 51-1-21. FABRICATED NEW PLATING SEGMENT (AL2024T3 0.040”) IAW SRM 5Jan 16, 2006 · N606AL · Doug DC873F · Trailing Edge FlapsSDR ASMF200601005Apu · failedAIRCRAFT RETURNED TO PLATFORM DURING ENGINES STARTING, LOW PNEUMATIC INDICATION PRESSURE IN THE APU. THE ENGINES WERE STARTED WITH EXTERNAL PNEUMATIC PLANT IAW MM 49-50-00 AND THE FAULT CODE 495 031 00 WAS SHOWN. AT MEX, THE FIM PROCEDURE WAS PERFORMED IAW FJan 12, 2006 · N851AM · Boeing 737724 · APU Bleed Air SystemSDR ASMF200601002Hydraulic System · leakingCAPTAIN REPORTED THAT DURING TAKE OFF WHEN THE LANDING GEARS WAS RETRACTED, THE LT HYDRAULIC QUANTITY INDICATION FELT FROM 105 PERCENT TO 74 PERCENT; REDUCING DURING FLIGHT TO 67 AND REESTABLISHED IN GROUND TO 89 PERCENT; ADDITIONALLY, THE RF LIGHT TURNED ON AJan 4, 2006 · N851AM · Boeing 737* · Hydraulic System, MainSDR 2005UALA01532Cabin Pressure · failedAUTO PRESSURIZATION FAILURE. TWO TAKEOFFS, TWO OCCURRENCES. FOUND INSULATION HOLDING THE CABIN SAFETY RELIEF VALVE OPEN. IN ADDITION LEAK FROM CLAMP ON LEFT PACK FLOW CONTROL VALVE WHICH WAS REPLACED EARLIER. REPLACED RELIEF VALVE AND CLAMP. PERFORMED OPERADec 28, 2005 · N385UA · Boeing 737322 · Cabin Pressure Control SystemSDR 2005UALA01523Fan · malfunctionedDIVERTED TO ORD DUE TO EQUIPMENT COOLING SUPPLY FAN PROBLEM. INSTRUMENT COOLING SUPPLY FAN FAILED.REPLACED FAN AND RELAY R401. OPS CHECK GOOD.Dec 27, 2005 · N942UA · Boeing 737522 · Air Distribution FanSDR 2005UALA01518Light · inoperativeESCAPE PATH LIGHTS INOP FROM ROW 14 BACK.Dec 26, 2005 · N904UA · Boeing 737522 · Emergency LightingSDR 2005UALA01519Stringer Clip · crackedSTRINGER CLIP CRACKED STA 867 STR 20R. MAJOR REPAIR ACP'D PER SRM 51-40-02, REPLACED STRINGER CLIP .Dec 26, 2005 · N923UA · Boeing 737522 · Fuselage Main, Attach FittingsSDR 2005UALA01522Fmc · warning lightFAIL ANNUNCIATOR IS ON, ON FMS CDU'S AND SCREENS DISPLAY 'FMC'. CREW COMMENTS: DUAL FMC FAILURE AT LIFTOFF. AFTER 10 MINS SYSTEM RETURNED. NO CB'S PULLED. THE 737 AIRCRAFT OPERATED BY UNITED AIRLINES HAVE ONLY A SINGLE FMC SYSTEM, THUS THIS WRITEUP IS ERRODec 26, 2005 · N905UA · Boeing 737522 · Auto Flight SystemSDR 2005UALA01517Light · inoperativeEEL LIGHTS INOP AT MID CABIN.Dec 24, 2005 · N919UA · Boeing 737522 · Emergency LightingSDR 2005UALA01513Skin · bulgedLOWER FUSELAGE SKIN IS BULGED AND 2 FASTENER HEADS CRACKED AND PULLING THROUGH STA 807 STR 27L AND 27R WL 148.5 - 148.6. FABRICATED FILLER AND A DOUBLER REFERENCE SRM 53-00-01 AND INSTALLED THE REPAIR PER 53-00-01 DETAIL XI .Dec 22, 2005 · N923UA · Boeing 737522 · Fuselage Main, Plate/SkinSDR 2005UALA01514Light · inoperativeEEL LIGHTS INOP FROM ROW 15 AFT. REPLACED EEL STRIP.Dec 22, 2005 · N342UA · Boeing 737322 · Emergency LightingSDR 2005UALA01516Light · inoperativeEMERGENCY FLOOR LIGHTING INOP AT ROW 17 AFT.Dec 22, 2005 · N338UA · Boeing 737322 · Emergency LightingSDR CA051222008Bolt · migratedDURING GROUND INSPECTION IT WAS DISCOVERED THAT AFT ATTACHMENT BOLT OF THE NR 3 FLAP FAIRING HAD MIGRATED INBOARD AND PUNCTURED A HOLE THROUGH THE COMPOSITE FAIRING. THE AIRCRAFT WAS REMOVED FROM SERVICE FOR REPAIRS. UPON FURTHER INVESTIGATION, THREE(3) OF TDec 21, 2005 · Boeing 7378Q8 · Trailing Edge FlapsSDR 2005UALA01520Skin · damagedRE-EVALUATION OF SKIN AREA FWD OF CARGO DOOR OPENING REVEALS .061 OF APPARENT MATERIAL HAS BEEN REMOVED IN A 1.5 TO 2.0 INCH SCRATCH WHERE BELT LOADER CONTACTED SKIN. SUPPLEMENTAL DATA UPDATE DAMAGE REMOVED AND DOUBLERS INSTALLED PER EVA-50867-A.Dec 20, 2005 · N936UA · Boeing 737522 · Fuselage Main, Plate/SkinSDR SB05171Sill · damagedENROUTE, THE FLIGHT LOST PRESSURIZATION AFTER REACHING CRUISE ALTITUDE. THE FLIGHT DESCENDED TO 10,000 FEET. THE OXYGEN MASKS DID NOT DEPLOY. THE FLIGHT DIVERTED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FORWARD OUTFLOW VALVE AS A PRECADec 15, 2005 · N517AU · Boeing 7373B7 · Fuselage Miscellaneous StructureSDR USAA051551Attach Angle · crackedLOCATION: S12L INTERCOSTAL LWR FWD ATTACH ANGLE AT LB END. MAJOR REPAIR REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-10-02 DEFECT SIZE: .375 IN.Dec 14, 2005 · N591US · Boeing 737301 · Fuselage Miscellaneous StructureSDR AU510001499Pump · cavitatesCENTER FUEL TANK PUMPS CAVITATES.Dec 12, 2005 · Boeing 737800* · Fuel Boost PumpSDR AU510001500Seal · leakingFOUND CABIN WINDOW 15A INNER AND OUTER PANES TOUCHING AND FULL OF WATER. INVESTIGATION FOUND SEAL LEAKING.Dec 12, 2005 · Boeing 737800* · Passenger Compartment WindowsSDR AU510001501Wire · damagedNR 2 AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED AND CIRCUIT BREAKER TRIPPED. INVESTIGATION FOUND FUEL PUMP WIRING BADLY BURNT AT EARTH PIG TAIL FERRULE. IT APPEARS THAT WHEN THE WIRING HARNESS WAS MANUFACTURED, ONE OR ALL THREE PHASE POWER WIRES TO THE PUMDec 12, 2005 · Boeing 737800* · Fuel System WiringSDR AU510001523Bearing · failedHYDRAULIC SYSTEM `A` ELECTRIC PUMP FAILED. INVESTIGATION FOUND THE FAILURE WAS CAUSED BY FAILURE OF THE PRE-MOD SB 57186-29-291 TRUNNION NEEDLE BEARING.Dec 12, 2005 · Boeing 7377Q8 · Hydraulic Pump (Electric/Engine), MainSDR AU510001525Hmu · faultyNR 1 ENGINE HYDROMECHANICAL UNIT (HMU) FAULTY. INVESTIGATION FOUND THE DEFECT WAS CAUSED BY FAILURE OF THE FMV RESOLVER BODY ASSEMBLY.Dec 12, 2005 · Boeing 737800* · Fuel Controlling SystemSDR AU510001636Manifold · leakingAPU FUEL MANIFOLD LEAKING.Dec 12, 2005 · Boeing 7377Q8 · APU Engine Fuel and ControlSDR AU510001637Spacer · incorrect(AUS) NR 2 ENGINE FAN BLADE SPACERS WERE INCORRECT PART. FAN BLADES NR 9, NR 10, NR 17, NR 18, NR 19 AND NR 20 WERE AFFECTED. INCORRECT PN 340-001-261-0 SPACERS FITTED. CORRECT PNO 340-001-215-0. INCORRECT PART. PERSONNEL/MAINTENANCE ERROR. (CASA NR 510001637Dec 12, 2005 · Boeing 737* · Turbine Engine Compressor SectionSDR AU510001661Cable · brokenGROUND SPOILER INTERLOCK CABLE BROKEN. INVESTIGATION FOUND VERY STIFF BEARING OPERATION DUE TO MOISTURE INGRESS INTO THE BEARING LINER LEAD TO FATIGUE AND ULTIMATELY FAILURE OF THE CABLE RODEND.Dec 12, 2005 · Boeing 737800* · Drag Control SystemSDR AU510001662Module · faultyP5-2 FUEL SYSTEM FLIGHT DECK MODULE FAULTY.Dec 12, 2005 · Boeing 7377Q8 · Aircraft Fuel Distribution SystemSDR AU510001663Spoiler · out of adjustFLIGHT SPOILER OPERATION FAULTY. INVESTIGATION FOUND SPOILER ADJUSTMENT OUT OF LIMITS.Dec 12, 2005 · Boeing 7377Q8 · Drag Control SystemSDR AU510001688Relay · faultyCENTER FUEL TANK RT BOOST PUMP CONTROL RELAY R55 FAILED.Dec 12, 2005 · Boeing 737800* · Fuel Boost PumpSDR AU510001743Hose · leakingLT AIR CONDITIONING PACK AIRCYCLE MACHINE SENSE LINE LEAKING. HOSE APPEARS TOO LONG CAUSING TO TIGHT A CURVE RAD.Dec 12, 2005 · Boeing 737800* · Cabin Cooling SystemSDR AU510001815Circuit Breaker · trippedAPU FIRE EXTINGUISHING SYSTEM CIRCUIT BREAKER PULLED AND RED COLLARED. CIRCUIT BREAKER RESET AND SYSTEM TESTED SERVICEABLE. SUSPECT CIRCUIT BREAKER PULLED WHEN MEL APPLIED AND NOT RESET WHEN MEL CLEARED.Dec 12, 2005 · Boeing 737800* · Extinguishing System
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