JASC 4920
Service difficulty reports · 2,432
Reports filed under 4920 · APU Core Engine, newest first.
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 jasc_code = '4920' 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.
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 jasc_code = '4920' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR SCNA01028Apu · fireAPU FIRE INDICATION, DISCHARGED THE APU FIRE BOTTLE. REMOVED AND REPLACED APU AND APU FIRE BOTTLE.SDR AUS20010533Turbine · failed(AUS) APU TURBINE WHEEL DISINTEGRATED. SUSPECT CAUSED BY TENSILEOVERLOAD ORIGINATING FROM AN UNDETECTABLE SINGLE HAFNIUM OXIDEDROSS CASTING INCLUSION.SDR C2XA01IA115Apu · malfunctionedIAH - FLIGHT 3781, THE CREW REPORTED A VERY STRONG FUEL SMELL IMMEDIATELY AFTER STARTING THE APU IN FLIGHT. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE OPERATIONALLY CHECKED THE APU WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RESDR 2001UALA00123Bearing · crackedAPU SMOKE IN CABIN. *S/D* APU WAS REMOVED ON 2/17/01 DUE TO SMOKE IN CABIN. SHOP DISASSEMBLED ENGINE. DURING DISASSEMBLY OF THE NUCLEUS MODULE, FOUND BEARING CARRIER CRACKED RESULTING TO LEAKAGE PAST THE COMPRESSOR SEAL AREA CAUSING A SMELL OR SMOKE IN CABSDR COMA0160212Apu · fireWHEN APU WAS SHUTDOWN, FIRE IN TAIL PIPE WAS VISIBLE FOR 5 TO 10 MINUTES. DEFERRED MAINT ON APU IAW MEL.SDR CA010308007Apu · damaged(CAN) SMELL OF FUEL AND SMOKE IN AIRCRAFT AFTER APU STARTED ON DESCENT. EMERGENCY RESPONSE CALLED. FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. APU REPLACED OPERATION AND LEAK CHECK CARRIED OUT AND SYSTEM CHECKED SERVICEABLE.SDR USAASB01027Combustion Liner · failedMCO - FLT 2703 - EN ROUTE FROM LGA TO FLL, AT APPROXIMATELY FL310, THE APU SHUTDOWN DUE TO AN OVERSPEED CONDITION. THE NR 1 GENERATOR WAS ALREADY ON MEL, SO THE CAPTAIN ADVISED HE WOULD BE DIVERTING TO MCO. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENSDR 2001UALA00036Seal · damagedCREW REPORTED ODOR AND THIN SMOKE LAYER IN CABIN. AFTER TAKE-OFF NOTED FLUX PACK FLOW AND TEMPS, ALSO HAD ASSOCIATED ECON COOL VLV L AND TRIM AIR PRESS SOV RT, SELECTING TRIM AIR OFF CLEARED MSGS CAME BACK WITH TRIM AIR ON. *S/D* APU WAS REMOVED ON 1/21/01 SDR AALA20002122Apu · malfunctionedSAT - FLT 1366 - EN ROUTE DFW-SAT AT GATE, SHORTLY AFTER STARTING ENGINES, CABIN FILLED WITH SMOKE. SHUT DOWN ENGINES. PLACARDED APU INOPERATIVE. (M)SDR CALA0001871Apu · inoperativeTHE APU FIRE WARNING ACTIVATED DURING APU START WHILE ON FINAL APPROACH TO IAH. THE APU FIRE BOTTLE WAS DISCHARGED AND THE AIRCRAFT LANDED WITHOUT INCIDENT AND TAXIED TO THE GATE. THE APU WAS REMOVED AND REPLACED. LEAK AND OPERATIONAL CHECKS WERE GOOD IAW MM 4SDR DHL2000740006Apu · fireAPU WOULD NOT SHUT DOWN. EVIDENCE OF SMOKE AND FIRE. DEFERRED AND INSPECTED. STATUS - OPEN. APU HAS 90 SECOND SHUT DOWN DELAY PER M/M CHAP 49.APU OPS NORMAL. FIRE AND SMOKE CONFIRMED APU EXHAUST. DMI 3365 WAS CLEARED ON LOG PAGE 216393.SDR AALA20002045Apu · leakingORD - FLT 1828 - EN ROUTE ORD-YOW, IMMEDIATELY AFTER TAKEOFF FLIGHT ATTENDANT REPORTED STRONG FUMES IN CABIN. RETURNED ORD AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU. (M)SDR AU001185Apu · shutdown(AUS) APU AUTO SHUTDOWN AND OVERHEAT WARNING. INVESTIGATION COULD FINDNO FAULTS. AIRCRAFT RETURNED TO SERVICE.SDR 2000UALA00693Housing · looseAPU SHUTDOWN INFLIGHT. SUPPLEMENTAL DATA UPDATE FOUND DRIVEN COMPRESSOR ON APU SCROLL HOUSING P/N 3826140-5, WITH BOLT INSERTS LOOSE AND THREADS DAMAGED. THE BACKSHROUD BOLTS P/N MS9489-27 WERE TORQUED TO SPECIFIC VALUES, BUT STAT-O-SEALS WERE NOT CRUSHED. OSDR AALA20001904Apu · leakingORD - FLT 1836 - EN ROUTE TUS-ORD, SHORTLY AFTER TAKEOFF, DETECTED LIGHT HAZE AND SMELL IN CABIN. BOTH PACKS TAKEN OT OF FULL COLD. SMELL AND HAZE DISSIPATED AND DID NOT RETURN FOR THE REMAINDER OF THE FLIGHT. LANDED ORD WITHOUT FURTHER INCIDENT. REPLACED SDR DLM88002195Intake Duct · contaminatedWHILE AT CRUISE ALTITUDE FL 330 PILOTS DETECTED SMOKE AND FUMES IN THE COCKPIT. EMERGENCY DESCENT INITIATED INTO JAX. CLEANED APU INLET. PERFORMED DUCT BURNOUT.SDR AALA20001838Apu · smokeBOS - FLT 1837 - EN ROUTE BOS-DCA, DETECTED VISIBLE SMOKE AND STRONG ODOR IN CABIN AND COCKPIT. CONTINUED FLIGHT AND LANDED DCA WITHOUT FURTHER INCIDENT. REPLACED APU. ACCOMPLISHED PACK AND BURNOUT CHECKS PER THE MM. (M)SDR AALA20001842Apu · leakingDFW - FLT 433 - EN ROUTE DFW-MEX AT 7000 FEET, FLIGHT ATTENDANT NOTIFIED COCKPIT OF SMOKE IN CABIN. RETURNED DFW AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU AND ACCOMPLISHED PACK BURNOUT PER THE MM. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR 20001206SH016Hose · deterioratedTHIS HOSE CONNECTS APU PLENUM DRAIN TO A LINE WHICH THEN GOES OVERBOARD FROM THE REAR BAY OF AIRCRAFT. THE PURPOSE OF HOSE IS TO DRAIN ANY FUEL THAT ACCUMULATES IN APU PLENUM OVERBOARD. THERE IS CONTINUOUS AIR BLEED THROUGH HOSE WHEN APU IS RUNNING. THE INSSDR 2000UALA00606Apu · failedSPARKS COMING FROM APU EXHAUST. FLIGHT CREW DISCHARGED 1 FIRE BOTLE. RETURNED TO BLOCKS.SDR AALA20001732Switch · defectiveDFW - FLT 1067 - EN ROUTE DFW-AMA, ON TAKEOFF APU FAULT LIGHT ILLUMINATED. RETURNED DFW AND LANDED WITHOUT INCIDENT. REPLACED AIRCRAFT APU INTAKE DOOR SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR C2XAOOBT083Generator · inoperativeEWR-CREW REPORTED SMELL OF BURNING PLASTIC NOTED IN COCKPIT & CABIN DURING TAXIOUT. APU GENRTR. DROPPED OFF LINE & SMELL GOT WORSE SIMULTANEOUSLY. MAIN. REMOVED AND REPLACED APU GENERATOR (P/N23080-013A) AND APU GEN CONTROL UNIT (P/N51525-014A) GENERATOR STILLSDR AALA20001699Apu · failedORD - FLT 2099 - SHORTLY AFTER DEPARTURE FROM GATE, CREW REPORTED A LOUD EXPLOSION FOLLOWED BY SMOKE FILLING THE CABIN. APU SHUTDOWN. REPLACED APU AND ACCOMPLISHED LEAK CHECK. SYSTEM GRUOND CHECKED NORMAL OPERATION. (M)SDR DLM88001958Apu · smokeDURING DESCENT THRU ICING WITH WING ANTI-ICE ON GOT A SMOKY SMELL IN CABIN AND RT AFT LAV SMOKE DETECTOR WENT OFF. C/W DUCT BURNOUT PROCEDURE.SDR USAAD00158Apu · seizedORD-PIT - FLT 1674 - WHILE BOARDING THE FLIGHT, A LOUD BANG WAS HEARD AT THE REAR OF THE AIRCRAFT. AT THAT TIME, ALL APU POWER WAS LOST. PASSENGERS ON BOARD WERE DEPLANED AND THE FLIGHT WAS CANCELLED. MAINTENANCE FOUND THE APU, APU BOX, AND APU MOUNTING BRASDR SIMA2765Apu · inoperativeDFW - FLT 3507 - THE FLIGHT CREW REPORTED SMOKE BOTH CABIN AND COCKPIT WHEN BOTH PACKS WERE SELECTED. PASSENGERS WERE EVACUATED. NO INCIDENTS REPORTED. APU PUT ON MEL AT THIS TIME. MAINTENANCE REMOVED AND REPLACED APU IAW EMB MM. OPERATIONAL AND LEAK CHECSDR TWAA0015303Apu · overservicedIN DESCENT SMOKE APPEARED IN COCKPIT AND CABIN. TURNED OFF ANTI-ICE SWITCHES AND SMOKE DISAPPEARED. FOUND OIL RESIDUE IN DUCTS APPARENTLY CAUSED BY APU OIL BEING OVERSERVICED. CHANGED ANTI-ICE PRESSURE REGULATING VALVE WHICH APPARENTLY FAILED AND SMOKE TO ASDR CA001013031Apu · failed(CAN) APU WAS BELCHING OUT SMOKE AND FLAMES. APU OIL LEVEL SHOWED NO INDICATION. APU SHUTDOWN BY FLIGHT CREW. MAINTENANCE INSPECTED TURBINE AND EXTERIOR OF APU PLUS AIRCRAFT STRUCTURE FOR ANY SIGNS OF DAMAGE. NO DEFECTS WERE FOUND. APU SERVICED WITH 8L OF OIL.SDR AALA20001601Apu · leakingDFW - FLT 441 - IMMEDIATELY AFTER TAKEOFF DFW, A BURNING SMELL IN THE CABIN WAS REPORTED. AIRCRAFT RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED APU AND ACCOMPLISHED PACK BURNOUT AND LEAK CHECK. NO SMELL OR SMOKE NOTED. SYSTEM GROUND CHECKED NORMALSDR AALA20001568Apu · leakingDFW - FLT 1086 - EN ROUTE YVR-DFW, A DISTINCT SMELL OF HOT BURNING PLASTIC WAS DETECTED. SMELL DISSIPATED IN TEN MINUTES. CONTINUED FLIGHT AND LANDED DFW WITHOUT INCIDENT. REPLACED APU AND AIRCRAFT COALESCER WATER SEPARATOR BAGS AND ACCOMPLISHED PACK BURNOUSDR CA001019025Apu · failed(CAN) DURING PUSH BACK AND ENGINE START OF RIGHT HAND ENGINE, AUXILIARY POWER UNIT FAULT LIGHT AND SHUTDOWN. AUXILIARY POWER UNIT HAD INTERNAL SEIZURE, CAUSING TURBINE TO BE DISCHARGED. METAL PIECE WAS EJECTED OUT OF EXHAUST PORT. AUXILIARY POWER UNIT CHANGED SDR 20001019SH026Compressor · crackedCUSTOMER REPORTED HIGH OIL CONSUMPTION AND OIL SMELL IN CABIN. APU DISASSEMBLED FOR COMPRESSOR REPAIR. DURING MAINTENANCE, FOUND COMPRESSOR ROTOR CRACKED AT SEVERAL VANE PLATFORM AREAS, NO FRACTURE NOTED, APU DID NOT FAIL. COMPRESSOR ROTOR PN 3822014-2 SN 9SDR USAABB00097Apu · leakingMSP - FLT 64 - EN ROUTE SFO/PHL, AIRCRAFT OPERATING WITH RIGHT IDG ON MEL AND THE APU RUNNING, THE APU PERFORMED A SHUT DOWN DUE TO LOW OIL PRESSURE. FLIGHT DIVERTED TO MSP AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND A SEVERE OIL LEAK IN THE APU. SDR 2000UALA00504Apu · malfunctionedCHRONIC APU STARTING DIFFICULTIES. AIRCRAFT REMOVED FROM ETOPS UNTIL CONDITION RESOLVED.SDR QXEA0002285Plenum · crackedPDX - UPON INSPECTION, FOUND CRACK IN APU PLENUM - BEHOND LIMITS. CUT OUT AFFECTED MATERIAL, PERFORMED NON DESTRUCTIVE TESTING OF AREA. NO CRACKS OR DEFECTS NOTED. REPAIRED AFFECTED AREA ACCORDING TO STRUCTRAL REPAIR MANUAL. OPERATIONAL CHECKS GOOD. AIRCRSDR AALA20001323Apu · leakingLAX - FLT 2430 - AFTER TAKEOFF, FLIGHT CREW REPORTED SMOKE IN CABIN. RETURNED AND LANDED LAX WITHOUT INCIDENT. REPLACED AUXILIARY POWER UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR AALA20001322Apu · leakingELP - FLT 750 - AFTER TAKEOFF FLIGHT CREW REPORTED SMOKE IN COCKPIT. RETURNED AND LANDED ELP WITHOUT INCIDENT. SEAL LEAKING ON AUXILIARY POWER UNIT. REPLACED AUXILIARY POWER UNIT. SYSTEM GROUND CHECK NORMAL OPERATION. (M)SDR 20001019SH025Compressor · fracturedCUSTOMER REPORTED APU FAILURE, SUDDEN STOPPAGE, AND GEARBOX FAILURE. ACFT WAS ON GROUND AND APU IDLE, NOT LOADED. APU SUSTAINED A POWER GROUP CONTAINED SEPARATION FAILURE AND UNCONTAINED GEARBOX FAILURE. TEARDOWN REVEALED COMPRESSOR ROTOR FAILURE, VANE PLATSDR DLM88001487Apu · contaminatedAFTER TO PASSING 3000 FT FLIGHT ATTENDANT REPORTED SMOKE IN CABIN. RETURNED TO NEWARK. SMOKE SEEMED TO BE MOVING FROM FORWARD CABIN AFT SMOKE DISSIPATED AFTER APPROXIMATELY 5 MINS. PERFORMED DUCT BURNOUT. FOUND APU INLET CONTAMINATED. REPLACED COALESCERSDR AALA20001273Apu · leakingABQ - FLT 498 - AFTER TAKEOFF AT 5000 AGL, FLIGHT ATTENDANT IN AFT CABIN REPORTED BLUE SMOKE AND OILY SMELL IN AFT CABIN UP TO MID CABIN AREA. RETURNED AND LANDED ABQ WITHOUT INCIDENT. SOME SMOKE WAS SEEN COMING FROM NR 4 WHEEL AREA AT GATE. REPLACED AUXILLSDR AALA20001268Apu · leakingDFW - FLT 1639 - ON TAKEOFF SMOKE NOTICED IN CABIN THEN QUICKLY DISSIPATED. REAPPEARED DURING DESCENT TO DFW. LANDED DFW WITHOUT INCIDENT. REPLACED AUXILIARY POWER UNIT, ACCOMPLISHED PACK BURNOUT. SYSTEM GROUND CHECK NORMAL OPERATION. (M)SDR DLM88001473Apu · failedON TAXI OUT APU AUTO SHUT DOWN, GOT APU FAULT INDICATION AND BURNING SMELL THROUGHOUT AIRCRAFT. APU EXPERIENCED INTERNAL FAILURE, EXPANDED CASE, AND DAMAGED INLET DOOR AND SURROUNDING PANEL. REPLACED APU AND INLET DOOR PANEL ASSEMBLY. REPAIRED WIRES DAMAGESDR DLM88001423Apu · leakingRETURN TO BDL. SMOKE IN REAR OF CABIN. AFT SMOKE DET SOUNDING, SMOKE CLEARED CABIN PRIOR TO LANDING. FOUND APU LEAKING OIL INTERNALLY. PERFORMED DUCT AND PACK BURN OUT PROCEDURES. REPLACED LEFT AND RIGHT COALESCER BAGS. RAN BOTH ENGINES TO TAKEOFF POWER,SDR SIMA1981Apu · smokeCMH - FLT 5080 - DURING CHECKS PRIOR TO DEPARTURE, CREW SELECTED APU ON, FOLLOWED SHORTLY WITH SMOKE IN THE CABIN. APU SHUTDOWN AND SMOKE CLEARED. MAINTENANCE REMOVED AND REPLACED APU IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVISDR BJNA000701Bleed Valve · contaminatedSMOKE IN CABIN, ALARM SOUNDED. INVESTIGATION DETERMINED LUBE FROM PREVIOUS BLEED VALVE LUBRICATION, TO BE CAUSE OF SMOKE. SEPARATED RT AND LT PACKS WITH BOTH APU BLEED AND ENGINE BLEED SUFFICIENTLY TO CLEAR SYSTEM OF ANY AND ALL RESIDUE. AIR CONDITIONING SYSDR SIMA1922Apu · smokeGRR - FLT 3531 - AFTER LANDING APU SELECTED ON FOLLOWED BY LAV SMOKE INDICATION WITH A STRANGE SMELL IN CABIN AND COCKPIT AND COCKPIT WINDOWS FOGGED UP. PUT ON MEL. REMOVED AND REPLACED APU ASSY IAW AMM. OPS CHECK GOOD. (M)SDR CA000808017Coupling · broken(CAN) AFTER LANDING AND TAXIING AIRCRAFT, APU WAS STARTED & FIRE HANDLE ILLUMINATED & AUDIBLE WAS HEARD. CREW PULLED APU FIRE HANDLE & EMPTY THE APU FIRE BOTTLE. ON FURTHER INVESTIGATION, THE COUPLING FOR THE COMBUSTION LINER BROKE. COUPLING WAS REPLACED. FIRESDR DLM88001242Apu · contaminatedAFTER TAKE OFF, SMELLED AN ODOR SIMILAR TO AN ELECTRICAL FIRE IN THE COCKPIT AND CABIN. THE LT AFT LAV FIRE DETECTOR WENT OFF. NO FIRE EVIDENCE WAS FOUND. USED FLASHLIGHT TO MAKE THOROUGH SEARCH OF LAV. SUSPECT AIR CONDITIONING. FOUND 2 B-NUTS ON IB OF SDR COMA0060530Apu · malfunctionedSMOKE SMELL IN COCKPIT AND CABIN TOILET SMOKE WARNING AND APU AUTO SHUT DOWN. SECURED APU AND DEFERRED MAINTENANCE PER MEL.SDR SIMA1711Bearing · failedORD - FLT 4062 - DURING CRUISE FLIGHT, LAVATORY SMOKE ILLUMINATED. CREW NOTED SOME KIND OF VAPOR OR MIST IN CABIN. MAINTENANCE TROUBLESHOT TO APU INTRODUCING VAPOR INTO THE APU BLEED WHICH ACTIVATED THE LAVATORY SMOKE DETECTOR. APU PUT ON MEL. REMOVED AND
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