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 DL73K011956Apu · failedDURING TAXI OUT, APU DROPPED OFF LINE. TOWER CONFIRMED SMOKE AND FLAME COMING FROM APU AREA. CREW ACCOMPLISHED APU FIRE CHECKLIST. REPLACED APU AND APU FIRE BOTTLE.SDR C2XA01IA413Apu · faultyIAH- DURING FLIGHT NUMBER 3973 FROM PNS TO IAH, IN FLIGHT, THE APU WAS STARTED AND STRONG SMELL OF JET-A FUEL WAS NOTED IN THE COCKPIT AND CABIN. DURING START, APU RPM REACHED 15 PERCENT, THEN 10 PERCENT, BEFORE STARTING UPWARD TO 103 PERCENT. MAINTENANCE SDR CA011203004Apu · failed(CAN) WHILE ON THE GATE THE APU GENERATOR FAILED. THE APU ASSY AND GENERATOR WERE REPLACED AND A/C RETURNED TO SERVICE.SDR AUS20011269Apu · faulty(AUS) APU FAULTY. LIMITED INFORMATION PROVIDED.SDR DLM88011785Apu · leakingSTRONG BURNT ODOR FROM ROW 18 AFT. REPLACED APU FOR INTERNAL OIL LEAK.SDR AUS20011171Apu · failed(AUS) APU FAILED TO START.SDR 2002F00012Apu · leakingFLT 6627 - ORD-CMH - EN ROUTE TO CMH, THE LAVATORY SMOKE DETECTOR WARNING ILLUMINATED. THE FLIGHT ATTENDANT WAS ABLE TO CONFIRM THAT THERE WAS NOT A FIRE ONBOARD BUT THERE WAS A TRACE OF AN OILY SMELL. THE AIRCRAFT RETURNED TO THE FIELD WHERE MAINTENANCE WASSDR QXEA0101706Apu · malfunctionedPDX - AFTER DEPARTURE, THE AIRCRAFT FILLED WITH SMOKE. TURNED BLEEDS OFF. SMOKE DID NOT SEEM TO GET WORSE. RETURNED TO FIELD. REMOVED AND REPLACED AUXILIARY POWER UNIT IAW MAINTENANCE TASK CARD 8491001. GROUND RAN AIRCRAFT. NO SMOKE NOTED IN COCKPIT OR CABSDR QXEA0101705Apu · malfunctionedPDX - AIRCRAFT FILLED WITH SMOKE WHILE SITTING AT THE GATE WITH NO PASSENGERS ABOARD. PERFORMED BLEED AIR SYSTEM BLOW OUT IAW MAINTENANCE TASK CARD 8361002. PLACED AUXILIARY POWER UNIT ON MEL 49-1, RSI 330723.SDR AALA20011941Apu · leakingEWR - FLT 1643 - EN ROUTE LGA-HOU, SHORTLY AFTER TAKEOFF DETECTED SMOKE IN CABIN AND COCKPIT. DIVERTED EWR AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU. SYSTEM GROUND CHECKS NORMAL OPERATION. (M)SDR AUS20011100Apu · failed(AUS) APU SHUTDOWN.SDR C2XA01BT171Apu · failedCREW REPORTED, APU AUTO SHUTDOWN ON TAXI TO GATE, FOLLOWED BY HEAVY SMOKE SMELL AND SMOKE HAZE IN REAR CABIN. YUL MAINTENANCE INSPECTED AND DEFERRED APU IAW MEL 49-00-00, PLACARD CONTROL NUMBER 017287. AIRCRAFT RETURNED TO SERVICE. 10/19/2001 RIC MAINTENANCSDR C2XA01IA371Apu · defectiveIAH- FLIGHT 3953 STRONG FUEL ODOR OBSERVED AFTER APU START, WHILE ON ENGINE BLEED SOURCE. IAH- MAINTENANCE INSPECTED THE AIRCRAFT AND THE AIRCRAFT WAS RELEASED IAW MEL. MAINTENANCE REMOVED AND REPLACED THE APU, PERFORMED AN OPERATIONAL CHECK OF THE APU. NSDR SWIA200110238Case · crackedSMOKE APPEARED IN CABIN, PACKS WERE TURNED OFF. FIRST OFFICER NOTICED FLUID DRAINING THROUGH APU DRAIN VENTS, THEN APU AUTO SHUT DOWN. FOUND OIL LEAKING FROM APU. FOUND APU OIL CASE CRACKED. REMOVED AND REPLACED APU IAW CRJ MM 49-10-00. ALL OPS AND LEAK CHSDR 2001F00435Apu · shutdownMIA - FLT 841 - DURING TAKEOFF, PITCH TRIM 1 AND 2 DISENGAGED AND COULDN'T BE REENGAGED, YAW DAMPER NR 2 WAS INOPERATIVE AND APU AUTO SHUTDOWN AT FL220 COULDN'T BE RESTART. THE AIRCRAFT RETURNED TO MIA STATION, AND THE AIRCRAFT REMAINS ON GROUND FOR MAINTENANSDR CA011114002Apu · failed(CAN) APU QUIT ON PUSHBACK, OIL LEAK OBSERVED. FOUND APU COMPRESSOR / TURBINE HAD A NON CONTAINED FAILURE CAUSING SEVERE DAMAGE. (TURBINE BLADES FOUND IN APU COMPARTMENT). REPLACED APU AS PER MM 49-10-00 REPLACED FUEL HEATER AS PER MM 49-31-01 CROSSOVER DUCSDR AUS20011021Apu · shutdown(AUS) APU AUTO SHUTDOWN. LIMITED INFORMATION PROVIDED.SDR AWXA200100448Actuator · leakingLAS-FLT 238-FUEL SMELL IN CABIN- C -WHILE APPROACHING THE GATE AFTER LANDING THE CABIN CREW AND SOME PASSENGERS NOTED A FUEL SMELL. THE FLIGHT DECK CREW STARTED THE APU AFTER LANDING, NO FUEL ODOR WAS NOTICED PRIOR TO STARTING THE APU. AT THE GATE THE CREW TURSDR SWIA200110130Turbine · failedAPU FIRE ON GROUND AFTER APPARENTLY NORMAL STARTUP - NO FIRE INDICATION OBSERVED ON FIRE DETECTION SYSTEM. FIRE WAS OBSERVED EXTERNALLY. FIRE EXTINGUISHER WAS DISCHARGED FOLLOWING QRH PROCEDURE.INSPECTED APU AND SURROUNDING AREA. FOUND TURBINE FAILURE. NO SDR COMA0160547Apu · smokeSMOKE IN CABIN AND COCKPIT WHEN USING APU BLEED AIR.REPLACED THE APU.SDR C2XA01BT128Apu · failedEWR---CO4141, CREW REPORTED APU FAILED INFLIGHT (ON APPROACH). ELECTRICAL ODOR IN COCKPIT ASSOCIATED WITH THE FAILURE. MAINTENANCE INSPECTED AIRCRAFT AND DETERMINED APU FAULTY, AIRCRAFT PLACED ON MEL 49-00-00 CONTROL 013729. APU REMOVED AND REPLACED. MEL CSDR C2XA01CL164Apu · failedBNA FLT 4046, THE CREW REPORTED APU AUTOSHUT DOWN CAUSING SMOKE IN AIRCRAFT. MAINTENANCE REPLACED APU. OPERATIONAL CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.SDR Q0MF200107068Apu · inoperativeOUR AIRPLANE, B-16805, HAD APU AUTO-SHUTDOWN AFTER 3 OR 4 SOUNDS OF SURGE.APU BITE CHECK FOUND THAT MSG 49-21015 OVERTEMP SHUTDOWN¨. IAW MEL 49-1, CAT.¡§C¡¨, C/F TO DD ITEM. FURTHER CHECK, FOUND THAT THERE ARE MANY METAL CHIPS IN THE GEARBOX. REPLACED THE APUSDR AUS20010676Apu · fire(AUS) FOLLOWING APU BATTERY FITMENT AND WHILE INSTALLATION CHECKS WERE CARRIED OUT ON THE THERMAL SWITCH, A FLASH FIRE OCCURRED WHICH SET FIRE TO THE THERMAL BLANKET LOCATED UNDER THE APU BATTERY TRAY AND ALSO CAUSED FLASH BURNS TO MAINTENANCE PERSONNEL. THEFISDR AALA20011288Apu · leakingLAX - FLT 2430 - EN ROUTE LAX-DFW, FLIGHT ATTENDANT DETECTED SMOKE IN CABIN AND COCKPIT. RETURNED LAX AND LANDED WITHOUT FURTHER INCIDENT. PRECAUTIONARY REPLACED APU. NO ABNORMAL WEAR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR C2XA01BT117Apu · failedBTV---CO4069, CREW REPORTED WHILE TAXING OUT THAT THE APU FAILED AND FILLED THE CABIN WITH SMOKE. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND FOUND FAULTY APU, PLACED APU ON MEL AND RETURNED AIRCRAFT TO SERVICE.SDR L5V2001F00000Flapper Valve · wornAPU CHECK VALVE LOCATED ABOVE APU LOAD CONTROL VALVE FLAPPERS HAVE WORN THRU RETAINING PIN CAUSING FLAPPER TO COME LOOSE AND DROP DOWN INTO THE BUTTERFLY MECHANISM OF THE LOAD CONTROL VALVE. THIS CAUSES THE LOAD CONTROL VALVE NOT TO CLOSE.SDR MWEA010947Apu · leakingSMOKE IN AFT CABIN DURING TAXI INTO GATE. INSPECTED AND FOUND APU TO HAVE OIL IN COMPRESSOR, REMOVED AND REPLACED COALESCER BAGS. REMOVED AND REPLACED APU.SDR 2001UALA01000Apu · malfunctionedAPU WOULD NOT START IN FLIGHT AFTER 3 ATTEMPTS AT FL 300, FL320, AND FL360, RTF.SDR 2001UALA00998Apu · malfunctionedAPU FAILED TO START AT FL340. AFTER TURNBACK, IT DID START AT FL200. NR 1 GEN ALSO INOP, RTF.SDR UPS01636017Apu · malfunctionedINSPECTION TYPE:ETOP ATB-DURING CLIMB AT 330FL EICAS MESSAGE. APU FAULT APU SHUTDOWN AIRCRAFT, ATB TO HNL. BITE APU ECU. LAST FLT FAULT DC PWR LOSS. PERFORM FIM 49-11-00, SYS TEST OK. RUN AND SHUT DOWN APU, OP CHECK NORMAL.SDR 2001FA0000174Check Valve · damagedDURING REPLACEMENT OF THE CHECK VALVE, FOUND PIECES OF CHECK VALVE FLAPPERS, REPLACED WITH PN 320-2832-1-1 SN 635 OPERATIONAL CHECKED SATISFACTORY. NOTE: ALL PIECES REMOVED.SDR C2XA01IA254Apu · leakingIAH- DURING FLIGHT THE CREW NOTED SMOKE IN THE CABIN AND RETURNED TO IAH WITHOUT INCIDENT. IAH- MAINTENANCE INSPECTED THE AIRCRAFT AND DETERMINED THE APU TO BE THE CAUSE OF SMOKE IN THE CABIN AND PLACED THE APU ON MEL. IAH ON 06/02/2001 MAINTENANCE REMOVED ASDR AUS20010548Apu · faulty(AUS) APU FAULTY. SMOKE AND FUMES IN CABIN. OIL IN BLEED DUCT.SDR QXEA0100899Apu · malfunctionedPDX - AFTER ENGINE SHUTDOWN AT GATE, AIRCRAFT BEGAN SHAKING, AND APU ENGINE PARAMETERS BEGAN CLIMBING. CABIN FILLED WITH SMOKE. SHUT DOWN APU MANUALLY. REMOVED AND REPLACED APU. COMPLIED WITH BLEED AIR DUCTING BLOW OUT. OPERATIONAL CHECKS GOOD. AIRCRAFT SDR AUS20010495Apu · faulty(AUS) APU FAILED PERFORMANCE MONITORING TEST. EGT ROSE TO 800 DEGREES.SDR 2001UALA00884Apu · malfunctionedAPU NO START 3 ATTEMPTS. TWICE AT FL390 AND ONCE DESCENDING THRU FL290. MAX RPM 22 AND MAX EGT 10.SDR UPS01635815Apu · shutdownINSPECTION TYPE:ETOP PILOT REPORT-APU AUTO SHUTDOWN. *S/D* REMOVED AND REPLACED APU PER TC NR 6004. RUN CK AND LEAK CHECK PERFORMED, ALL OK OPS GOOD. CLEARED MMOC NOTIFIED PLACARD REMOVED.SDR DLM88010709Turbine · failedAPU FAILED IN FLIGHT, WOULD NOT RESTART ON GROUND. REPLACED SPEED SENSOR AND CONTROLLER, NO HELP. APU HANGS AT 20 PERCENT WITH SPARKS OUT OF TAILPIPE SUSPECT TURBINE FAILURE. REMOVED AND REPLACED APU ASSY PER M/M. OPS / LK CK OK. MCO/PLAC REMOVED.SDR AALA20010789Apu · leakingORD - FLT 829 - EN ROUTE ORD-YYC, SHORTLY AFTER TAKEOFF DETECTED STRONG SMELL AND SMOKE AT CABIN. RETURNED ORD AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU. (M)SDR AUS20010487Apu · faulty(AUS) APU FAULTY. FUMES IN CABIN.SDR CA010410009Apu · failed(CAN) APU SELECTED DURING DESCENT, FIRST TIME DID NOT START, PILOT RESELECT APU START. SECOND TIME APU START WITHOUT ANY INCIDENT. AIRCRAFT PULLED UP TO THE GATE, MAINTENANCE MET PILOT AT THE AIRCRAFT, ENGINE HAD BEEN SHUTDOWN WITH THE APU RUNNING. MAINTENANCESDR MASA01027Apu · failedFLT 6706 - BOS-CMH - REPORTED AN APU OIL PRESSURE CAUTION IN FLIGHT WITH THE APU SHUTTING ITSELF DOWN, ALSO REPORTED SMOKE IN THE CABIN. AFTER AN UNEVENTFUL LANDING MAINTENANCE CALLED. MAINTENANCE INSPECTED AND FOUND OIL IN THE PACK (AIR COND) SYSTEM. MAINTSDR DL73K010449Apu · odorACRID SMOKE SMELL LIKE BURNING RUBBER EMINATING FROM ROW 3 TO ROW 5 AREA IN CABIN. PASSENGERS COMPLAINED ABOUT SMELL. FLIGHT ATTENDANTS ALSO COMPLAINED OF SMELL WHICH EVENTUALLY WAS DETECTABLE FROM COCKPIT. FOUND OILY SMELL IN COCKPIT FROM APU AIR PERFORMED DUSDR CA010322012Compressor · making metal(CAN) THE AIRCRAFT WAS CLIMBING OUT OF VANCOUVER WHEN THE APU DID AN AUTO SHUT DOWN AND THE APU FIRE HANDLE ILLUMINATED. THE FIRE HANDLE WAS PULLED BUT THE BOTTLE WAS NOT DISCHARGED DUE TO THE FIRE INDICATION GOING OUT. THE AIRCRAFT RETURNED TO VANCOUVER WHERESDR AUS20010532Turbine · failed(AUS) APU TURBINE WHEEL DISINTEGRATED. SUSPECT CAUSED WAS A BI-HUBFAILURE OF THE TURBINE WHEEL DUE TO UNDETECTABLE HANIUM OXIDE INCLUSION FORMED DURING THE CASTING PROCESS.SDR JWC101Cap · failedFIRE WARNING WHEN STARTING APU, DURING LANDING RUN. FIRE DRILL CARRIED OUT. FIRE EVENT COMFIRMED BY GROUND INSPECTION. DEFECT FAILURE OF APU COMPRESSOR END CAP. PARTS OF THE END CAP PIERCED APU BAY ROOF SLOWER SURFACE OF STABILIZER CENTER SECTION TORQUE BOSDR CA010403006Apu · fire(CAN) APU CAUGHT FIRE ON THE GROUND AFTER LANDING.FIRE WAS EXTINGUISHED BUT RELIT. FIRE DEPARTMENT EXTINGUISHED IT FOR GOOD. APU WAS REPLACED.SDR C2XA01BT035Apu · faultyEWR - FLT 3605 - CREW REPORTED, STRONG ODOR OF FUEL IN COCKPIT AND CABIN DURING APU START IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE APU. OPS CHECKED GOOD. NO SMELL OF FUEL NOTED. AIRCRAFT MEL CLEARED AND RETURNED TO SERVICE. (M)SDR C2XA01IA158Apu · leakingIAH - FLIGHT 4197, THE CREW REPORTED THAT AT INITIAL POWER UP WITH THE APU RUNNING, SMOKE WAS NOTICED IN THE CABIN WITH A LAV SMOKE WARNING. MX PLACED THE APU ON MEL 49-32-02 CONTROL NUMBER 007738, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 03/16
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