JASC 4920
Service difficulty reports · 2,431
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 MEX2003568Apu · smokeFLT 422 - MEX-MIA - DUIRNG TRANSIT CHECK, WHEN THE GROUND POWER UNIT WAS CONNECTED, SMOKE WAS DETECTED IN THE PASSENGER CABIN. BOTH A/C SYSTEM WERE TESTED BUT SMOKE CONTINUED. THE WATER SEPARATORS WERE REPLACED AND SYSTEM WAS TESTED IAW MM 21-20-02, ALL CORRSDR SIMA200335704Turbine Wheel · inoperativeAPU FAILED INITIAL OBSERVATION WAS SMOKE IN CABIN AND COCKPIT. UPON FURTHER INVESTIGATION FOUND APU TURBINE WHEEL DAMAGED. APU THEN DEFERRED IAW MEL 49-1. MAINTENANCE REMOVED AND REPLACED THE APU IAW EMB MM. OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY ANSDR VNAA0312012Bleed Valve · failedDURING TAKEOFF, THE LEFT BLEED VALVE FAILED TO CLOSE WITH THE APU ON AND THE CREW ABORTED TAKEOFF. THE CREW THEN PERFORMED CHECK OF THE SYSTEM WITH THE APU BLEED OFF AND IT OPS CHECKED GOOD. MAINTENANCE THEN DEFERRED THE APU BLEED SYSTEM IN ACCORDANCE WITH 4SDR C2XA03CL200Apu · failedEWR FLIGHT 2526 THE CREW REPORTED SMOKE IN THE COCKPIT AND CABIN AFTER PUSHBACK. MAINTENANCE INSPECTED AND REPLACED THE APU. THE APU WAS SEIZED AND CAUSED BURNING SMELL IN COCKPIT AND CABIN. OPERATIONAL CHECKS WERE GOOD. THE APU WAS REMOVED FROM MEL.SDR CA031217005Engine · failed(CAN) APU ENGINE FAILED FOUND MOST OF THE EXHAUST TURBINE ON RAMP, AWAITING REPORT.SDR 03337664Apu · defectiveDURING OPERATION OF THE AIRCRAFT THE LAVATORY SMOKE MESSAGE WAS PRESENT INTERMITTENTLLY ON THE FLIGHT DISPLAYS.SDR SWIA200312647Apu · failedPULLING INTO GATE IN SLC THERE WAS A HOT BURNING ODOR FOLLOWED BY SMOKE COMING OUT OF GASPERS, FOLLOWED BY APU AUTO SHUTDOWN. REMOVED AND REPLACED APU WITH A SERVICEABLE UNIT PER CRJ MM 49-10-00. OPS AND LEAK CHECK GOOD. P/N: 3800488-3, S/N OFF: P-745, S/SDR GTIA030956Burner Can · damagedFOUND CREW MENTIONED STRONG FUEL ODOR IN CABIN DURING APU OPERATION. STRONG FUEL ODOR IN CABIN. FUEL LEAKING FROM FUEL ATOMIZER. FOUND A.N. FITTING FROM FUEL LINE TO FUEL ATOMIZER LOOSE. TIGHTEN JAM NUT ON A.N. FITTING. LEAK CHECK GOOD, NO FUEL ODOR NOTEDSDR HALA0301033Apu · failedETOPS SIGNIFICANT SYSTEM, MAINT ENTRY, APU AUTO SHUTDOWN AT THE GATE. BITE CHECK APU ECU FOUND OIL HIGH TEMP FLAG CAME ON. TROUBLESHOOT FURTHER AND FOUND APU OIL COOLING FAN DRIVE SYSTEM NOT TURNING AND GEAR TEETH DAMAGE. REMOVED AND REPLACED APU ASSY IAW HSDR AWXA200301383Apu · malfunctionedNR 1 GENERATOR INOPERATIVE AND ON (MEL), APU AUTO SHUTDOWN AT 330 FT, ATTEMPTED 1 RESTART, NO LUCK, DIVERTED & LANDED WITHOUT FURTHER EVENT. MAINT R & R NR 1 IDG, OPS CHK GOOD. MAINT FOUND APU BEARINGS GRINDING & DAMAGE TO BLADES, R & R APU, OPS CHECK GOOD. SDR CA031106007Case · sheared(CAN) APU FIRE WARNING DURING APU START (AUTO SHUTDOWN). MAINTENANCE FOUND THE APU GEARBOX CASE SHEARED, THE TURBINE PLENUM TWISTED AND TURBINE WHEEL DISK DISINTEGRATED. AWAITING REPORT FROM MFG. APU ASSEMBLY REPLACED.SDR SWIA200312529Apu · leakingON THE GROUND WITH APU ON RIGHT AND LEFT PACK IN LOW CABIN FILLS WITH SMOKE, CAUSES THE FIRE/SMOKE DETECTOR TO SOUND IN THE LAV. FOUND APU LEAKING OIL INTO BLEED AIR. REMOVED AND REPLACED APU WITH SERVICEABLE UNIT IAW MM 49-00-02. OPS CHECKS GOOD.SDR AALA20031033Apu · damagedAIRCRAFT EN ROUTE ORD TO YYC, CREW OBSERVED SMOKE IN THE CABIN THAT WOULD NOT DISSIPATE. AIRCRAFT RETURNED TO ORD. REPLACED APU PERFORMED PACK BURN OUT AND CHANGED COALESCER BAGS. LEAK CHECKED AND SYSTEM GROUND CHECKED NORMAL. (M)SDR SWIA200312427Apu · leakingCAPT REPORTS SMOKE IN COCKPIT FROM AIR CONDITIONING SYSTEM. BOTH LT AND RT AIR CONDITIONING PACKS ARE COVERED IN OIL. APU BLEED SYSTEM IS PUTTING OIL INTO PACKS. REMOVED AND REPLACED THE APU IAW RII 49-301. OPS AND LEAK CHECKS GOOD.SDR RAIA00309252Apu · malfunctioned5283-PIT- SMOKE IN CABIN. MAINTENANCE PLACED APU ON DEFERRAL PER MEL. SUBSEQUENTLY CLEARING THE DMI BY REMOVING AND REPLACING THE APU.SDR SIMA200323902Apu · fireORD - FLT 4036 - DURING GROUND OPERATIONS, CREW RECEIVED AN APU FIRE WARNING. APU WAS SHUTDOWN. MAINTENANCE INSPECTION REVEALED EVIDENCE OF FIRE WITH THE WIRING HARNESS AND COWLING BURNED. MAINTENANCE COMPLIED WITH AN APU FIRE INSPECTION IAW EMB MM FOLLOWEDSDR MALA030385Labyrinth Seal · failedDURING TAXI ON FLIGHT 3504, BAD ODOR FROM PACKS. MAINTENANCE FOUND APU INOPERATIVE DUE TO LABYRINTH SEAL BAD. FROM LP 1216605 REMOVED AND REPLACED APU P/N 4501690A S/N OFF SP-E9875 49 S/N ON SP-E977516 PER TASK CARD APU CHANGE ALL CHECKS GOOD REMOVED. FROSDR 2003F00558Turbine Wheel · failedPOSSIBLE UNCONTAINED FAILURE OF TURBINE WHEEL.SDR SWAA031834Apu · malfunctionedAIR TURNBACK, SMOKE REPORTED IN CABIN. REMOVED AND REPLACED APU AND WATER SEPARATOR BAGS PER MM.SDR 2003F00574Impeller · brokenBROKEN BLADE FROM SECOND STAGE IMPELLER THAT POSSIBLY EXITED TURBINE PLENUM.SDR AALA20030826Apu · odorJUST AFTER TAKEOFF STRONG ODOR IN COCKPIT AND THEN CALLS FROM CABIN INDICATED ODOR AND SMOKE DEVELOPING. AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT. DISCOVERED APU HYDRAULIC FLUID INGESTION. REMOVED AND REPLACED APU. REPLACED WATER SEPARATOR SOCKS. SYSSDR USAABB03126Apu · malfunctionedPIT - FLT 44 - PILOT NOTED BURNED OIL SMELL FROM AIR CONDITIONING SYSTEM. MAINTENANCE RAN AND ISOLATED BOTH PACKS. A SLIGHT ODOR WAS NOTED. PACKS WERE RUN AT FULL HOT AND THE ODOR DISSIPATED. ON A FOLLOWING FLIGHT, THE ODOR RETURNED. MAINTENANCE REPLACED SDR DL76L030700Apu · smokeSMOKE IN CABIN WHEN APU STARTED AT GATE PRIOR TO PUSH BACK. SHUT DOWN APU SMOKE CEASED. FOUND OIL IN APU EXHAUST, APU CHANGE IN PROGRESS.SDR AUS20030706Apu · smoke(AUS) APU FAULTY. SMOKE IN CABIN. WORKSHOP INVESTIGATION COULD FIND NO EVIDENCE OF OIL LEAK. SUSPECT OIL WAS RESIDUE FROM A PREVIOUS OIL LEAK.SDR QXEA200300806Apu · malfunctionedPDX-SUP-WHILE AIRCRAFT WAS SITTING AT GATE WITH APU RUNNING CABIN FILLED WITH SMOKE.AIRCRAFT RETURNED TO SERVICE. REMOVED AND REPLACED APU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200300753Apu · odorBOI-SUP-ON FLIGHT NUMBER 2424, BURNING OIL SMELL DETECTED DURING CLIMB. OIL SMELL DISSIPATED AFTER APU SHUTDOWN. VISUALLY INSPECTED APU EXHUAST & INTAKE. NO DEFECTS NOTED. GROUND RAN APU. SLIGHT OIL SMELL WHEN FIRST STARTED. REMOVED ND REPLACED APU. OPERATIONASDR DXTA200300049Apu · failedDURING CLIMBOUT SMOKE WAS NOTICED IN THE COCKPIT AND CABIN. APU FAIL LIGHT ILLUMINATED AND APU SHUTDOWN. FOUND APU OIL QTY EMPTY, RESERVICED & OIL LEAKS INTO APU INLET. ALSO FOUND METAL ON MAGNETIC OIL PLUG. REMOVED AND REPLACED APU IAW CESSNA 560 MM & HONSDR AUS20030561Bleed Valve · contaminated(AUS) APU BLEED VALVE CONTAMINATED WITH MOBIL JET 2. ODORS IN CABIN.SDR QXEA200300704Apu · malfunctionedPDX- 'SUP'ON FLIGHT 2527 DURING APPROACH LAVATORY SMOKE DETECTOR ACTIVATED SHORTLY AFTER BLEED SYSTEM CHANGED OVER TO APU AIR. NO SMOKE NOTED. REMOVED AND REPLACED APU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 2003UALA00475Bearing · misrepairedOIL ODOR IN FLIGHT DECK AREA. SMOKE AND ODOR IN MAIN CABIN WITH LOWER RECIRCULATING FAN OFF. *SUPPLEMENTAL DATA UPDATE* MAINTENANCE CONFIRMED THE SMELL WAS COMING FROM APU. APU WAS REPLACED AND THE SHOP DISASSEMBLED THE LOAD COMPRESSOR MODULE TO FIND THE RSDR AUS20030520Clamp · failed(AUS) APU FUEL CONTROL UNIT LOOSE ON GEARBOX DUE TO BROKEN CLAMP BOLT.SDR 2003UALA00410Apu · fireAPU CAUGHT ON FIRE AT GATE. AFTER REMOVAL THE APU DISPLAYED VERY LITTLE EVIDENCE OF FIRE. THE FADEC CONTROL UNIT WAS CAPTURED FOR THE DOWN LOAD OF THE NON-VOLITILE MEMORY. DATA INDICATED NO UNUSUAL OCCURENCES DURING THE OPERATION OF THE ENGINE AT THE TIME DOSDR AMTA200300599Ecu · malfunctionedAPU WILL NOT START. REMOVED AND REPLACED ECU REF AMM 49-61-05-2. OPS GOOD. (M)SDR USAABA03009Apu · malfunctionedAT APPROXIMATELY 55N, 020 W, THE LEFT IDG FAULTED AND WOULD NOT RESET. THE CREW ALSO COULD NOT GET THE APU START. THE FLIGHT DIVERTED TO LGW. EN ROUTE TO LGW, THE APU WAS STARTED. FLIGHT LANDED AT LGW WITH NO FURTHER INCIDENT. MAINTENANCE SWAPPED THE APU ASDR 03FDEA00435Apu · leakingDURING TAKEOFF APPROX 600 FT, CAPT SMELLED SMOKE BY MAIN DECK CARGO, SMOKE DET RT MID 2 SMOKE LOOP FOLLOWED BY LT MID 2 LOOP. DURING PROCEDURES ON DOWNWIND BOTH LIGHTS WENT OUT. ON FINAL BOTH MID 2 LOOPS ILLUM'D AND ON TOUCHDOWN MID 1 LEFT & RIGHT LOOPS ILLUSDR CA030514017Apu · fire(CAN) APPROXIMATELY 5 MINUTES AFTER SHUTTING DOWN APU (ENGINES OFF NO GROUND POWER), DECIDED TO OPEN APU DOOR TO HELP COOL APU DOWN PRIOR TO LCV CHANGE. 2 MINUTES LATER, MAITNENANCE NOTICED THAT SMOKE AND FLAMES WERE COMING OUT OF THE APU INTAKE. MECHANIC RUSDR QXEA0300405Apu · malfunctionedBOI ON FLIGHT 2544- SMOKE AFT LAVATORY MESSAGE ILLUMINATED FOR LESS THAN ONE MINUTE AND WENT OFF. CHECKED WITH FLIGHT ATTENDENT, AURAL WARNING, NO SMOKE WAS DETECTED. REMOVED AND REPLACED APU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 2003F00149Apu · flamed outAPU REMOVED FROM AIRCRAFT WHEN APPARENT THERMAL DAMAGE WAS NOTED AT TAIL SECTION OF AIRCRAFT. UPON RECEIPT OF APU AT HONEYWELL REPAIR STATION THE APU WAS EVALUATED IN A TEST CELL. FLAMES OUT THE TAILPIPE WERE NOTED DURING TEST CELL OPERATION OF THE APU. CURSDR ASOA03103Apu · failedFLT 4400 - DURING DESCENT INTO HSV FROM DFW AT APPROX 10,500 FEET AND 260 KIAS, AN EXTREMELY POWERFUL ODOR OF JET FUEL OCCURRED IN THE COCKPIT AND CABIN AFTER THE AUXILIARY POWER UNIT WAS STARTED. THE CREW SHUT THE AUXILIARY POWER UNIT DOWN LEAVING THE BLEEDSSDR HALA0300104Bleed Valve · leakingFLT 522 - LIH - ELECTRICAL BURNING ODOR THROUGH OUT AIRCRAFT WHILE TAXI TO THE GATE. REMOVED AND REPLACED APU MODULATING BLEED AIR VALVE. OPS AND LEAK CHECK GOOD. OK FOR SERVICE. (M)SDR 000245Apu · contaminatedLAV SMOKE WARNING AND SMOKE IN THE CABIN AND COCKPIT IMMEDIATELY AFTER TAKEOFF DETERMINED TO BE FROM DEICE FLUID IN THE APU FROM DEICING. RAN ALL DEICE FLUID OUT OF APU AND ENGINE AND PACK BLEED SYSTEMS AND OPS CHECK GOODSDR 2003UALA00198Turbine Wheel · failedAPU HAD AUTO SHUTDOWN EVENT AT DEPARTURE GATE AS THE RESULT OF THE APU TURBINE FAILURE. THERMAL FATIGUE BLADE FAILURE. MINIMAL DUE TO RATE OF INCIDENTS: MTBF IS 2,414,347 HOURS AND 3,380,158 CYCLES. TRENDING WHEEL PERFORMANCE. CONSIDER DEVELOPMENT OF ON-WINGSDR CA030224004Apu · failed(CAN) PRIOR TO PUSH BACK, AIRCRAFT RAPIDLY FILLED CABIN WITH SMOKE, AIRCRAFT DEPLANNED. CAUSED BY THE BLEED FROM THE APU (BURNED OIL CONTAMINATION) APU CHANGED AND COLLESTER BAGS REPLACED. AC SERVICEABLESDR CA030221010Cooling Fan · unsecure(CAN) JUST BEFORE PUSH BACK, CABIN RAPIDLY FILLED WITH SMOKE (NON ELECTRICAL IN NATURE). A/C WAS DEPLANED VIA THE LOADING BRIDGE AND SHUT DOWN TO BATTERY. MAINT FOUND THE APU OIL TANK EMPTY AND INLET PLENUM CONTAMINATED WITH OIL. FOUND APU COOLING FAN HAD DESDR DL738030136Apu · contaminatedON THE GROUND AT GATE IN MSP, DEICING FLUID WAS APPLIED TO TAIL SECTION WITHOUT PRIOR COORDINATION WITH FLIGHT CREW. SMOKE FILLED COCKPIT, STARTED TO FLOW INTO CABIN. PAX EVAC THROUGH 1L DOOR. SMOKE REM PROC FOLLOWED. DEICE FLUID INJESTED INTO APU INLET, CSDR ASOA03048Apu · inoperativeDURING DESCENT INTO MLB FROM ATL, AS THE AUXILIARY POWER UNIT WAS POWERED UP EXTREME JET FUEL FUMES OCCURRED IN THE CABIN THROUGH THE ENVIROMENTAL CONTROL SYSTEM. THE CREW SHUT DOWN THE AUXILIARY POWER UNIT AND THE AIRCRAFT LANDED SAFELY IN MLB. MAINTENANCE SDR AMTA200300183Apu · inoperativeAPU HAD AUTO SHUT DOWN FAULT LIGHT ILLUMINATED AND EICAS MSG APU FAULT DISPLAYED. NEXT START ATTEMPT NORMAL, THEN FAILED AGAIN WITH AUTO SHUTDOWN. COMPLIED WITH M 57-49-02 SHEET. REMOVED AND REPLACED APU. (M)SDR DLM88030123Apu · contaminatedDURING TAXI OUT WITH ONE ENGINE OPERATING AND APU OPERATING, SMOKE BEGAN TO FILL THE CABIN. AFTER BOTH PACKS TURNED OFF, SMOKE BEGAN TO CLEAR. RETURNED TO GATE. FOUND OIL LEAKING FROM APU COMPARTMENT AND DRIPPING IN VICINITY OF APU AIR INTAKE. APU AIR INLESDR SWIA200311747Apu · smokeAPU BLEED CAUSES LAVATORY SMOKE DETECTOR TO GO OFF. REMOVED AND REPLACED APU IAW EMB 120 MM 49-00-02. S/N OFF P-456.SDR 000242Apu · contaminatedSMOKE IN COCKPIT.FOUND APU INLET FILLED WITH DEICE FLUID. CLEANED APU INLET AND COMPARTMENT AND STARTED APU. WHEN PACK 1 SELECTED, SMELLED DEICE FLUID IN COCKPIT. RAN BOTH PACKS WITH APU TO CLEAR OUT DEICE FLUID. APU AND PACKS NOW OPERATE WITHOUT SMOKE OR
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