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 ASOA200900785Apu · malfunctionedDURING SINGLE ENGINE TAXI FOR TAKEOFF RECEIVED "APU OVERTEMP WARNING". GATE RETURN, EMERGENCY DECLARED. FIRE TRUCKS ESCORTED A/C BACK TO GATE. FLT 5348 DEL 60 MINS. AUXILIARY POWER UNIT APU - INTAKE DOOR DEACTIVATED CLOSED.SDR DL75E091189Apu · shutdownAPU AUTO SHUTDOWN ON ITS OWN WHEN PACKS WERE TURNED OFF. PERFORMED ECU BITE, NO FAULTS FOUND. CHECKED OIL LEVEL. CHECKS GOOD.SDR DL764091184Turbine · unserviceableAPU HAS NO AIR FOR PNEU. INSPECTED APU AND FOUND PNEU DUCT PULLED AWAY FROM APU HOUSING. REMOVED APU PER AMM. INSTALLED APU PER AMM, OPS AND LEAK CHECK OK.SDR UALA2009070901978Apu · faultyTERRIBLE SMELL IN COCKPIT AND CABIN. SMELL GONE WHEN APU BLEED OFF SO DEACTIVATED APU BLEED INOP. ELECT OK. INBOUND CREW STATES PACK BURNOUT PRIOR TO DEPARTURE. SMELL STILL PRESENT BUT LESS INTENSE THROUGH CLIMBOUT. SMELL DISSIPATED THROUGH CRUISE & RETURSDR UALA2009063001880Seal · blownAPU AND APU CONTROL STATUS MESSAGES. FOUND SURGE DUCT SEAL BADLY BLOWN, DUMPING HOT AIR INTO APU COMPARTMENT. REPLACED SURGE DUCT SEAL.SDR CA090716001Bearing · failed(CAN) THE APU WAS STARTED IN FLIGHT AND ACFT LANDED. WHEN IT GOT TO FBO SMOKE STARTED TO COME INTO CABIN. IT WAS NOT BAD ENOUGH TO WARRANT AN EMERGENCY EVACUATION AND AS APU SHUT ITSELF DOWN IT DID NOT GET ANY WORSE. IT WAS OBSERVED BY FBO THAT AT THE SAME SDR CA090629006Apu · failed(CAN) WHILE THE ACFT WAS TAXIING TO FBO RAMP, SMOKE AND FLAMES WERE COMING OUT OF THE APU INLET. APU WAS SHUTDOWN. APU ENCLOSER AND INTAKE WAS INSPECTED, CHECKED OIL LEVEL AND CHIP DETECTOR. FOUND TO BE OK. TRIED TO START THE APU, IT WOULD ACCELERATE TO 14SDR UALA2009062401788Charger · failedAPU WILL NOT START. REPLACED BLOWN APU AIR SURGE DUCT & CLAMP. REPLACED APU BATTERY & BATTERY CHARGER.SDR MWEA090015Bleed Valve · contaminatedHAZE/SMOKE IN FLIGHT COMPARTMENT DURING TAXI AFTER APU STARTED TO SUPPLEMENT AIR CONDITIONING; OIL CONTAMINATION WAS FOUND IN THE APU BLEED MODULATING VALVE.SDR CA090629009Apu · failed(CAN) CREW REPORTED ON DESCENT, APU FAILED TO START. 2 START ATTEMPTS WERE MADE. FIRST AT 9000FT, 250KTS WITH APU HANGING AT 16 PERCENT AND SECOND AT 5000 FT, 250KTS WITH APU HANGING AT 13 PERCENT. AFTER LANDING, APU STARTED NORMALLY. DURING POST FLIGHT SDR USAA2009062291541Intake · dirtyFLT 351 - PHX - ODOR - PILOT REPORTED APU BLEED PRODUCES VERY STRONG NOXIOUS ODOR. MAINTENANCE PERFORMED APU AIR INTAKE CLEAN AND OPERATIONAL CHECK WAS GOOD WITH NO SMELL NOTED.SDR HALA2009061800255Igniter · failedETOPS SIGNIFICANT SYSTEM, APU AUTO SHUTDOWN AFTER LANDING. ECU BITE CHECK FAULTS" NO LIGHT OFF". REMOVED AND REPLACED IGNITER PLUG AND LEAD PER AMM 49-41-02 AND AMM 49-41-04. APU OPS CK NML NO FAULTS ON ECU, OK FOR SERVICE.SDR HALA2009061800253Transformer · malfunctionedETOPS SIGNIFICANT SYSTEM, APU FAILED TO START FAULT LGT ILLUM AND EICAS MSG APU FAULT DISPLAYED. ADDITIONAL START ATTEMPTS UNSUCCESSFUL. PERFORMED FIM 49-11-00, REPLACED APU TRU PER BLOCK 23 OF FIG 106B AND AMM 24-32-04. GROUND RUN OPS CHECK GOOD. APU STASDR RAIA2009062200002Turbine · failedPRE FLIGHT CREW REPORTED THAT THE APU AUTO SHUTDOWN ON THE GROUND FOLLOWED BY AN ELECTRICAL BURNING SMELL IN THE COCKPIT AND CABIN. RAMP WORKERS REPORTED A LARGE FIREBALL AND SMOKE COMING FROM THE APU EXHAUST CONE WHEN APU SHUTDOWN. MAINTENANCE REMOVED AND RSDR RAIA2009062200001Unknown · malfunctionedCREW REPORTED A STRONG FUEL ODOR FROM THE APU BLEED AIR. MAINTENANCE DEFERRED THE APU IAW MEL PROCEDURES.SDR NOCA03809Apu · inoperativeAPU INFLT START UNSUCCESSFUL, OK ON GROUND.SDR USAA2009061691485Apu · leakingRON-PIT - SMOKE/FUMES - SMOKE REPORTED IN THE CABIN. MAINTENANCE REMOVED AND REPLACED THE APU PER AIRBUS MAINTENANCE MANUAL 49-11-11-04-000-004.SDR AALA2009061200006Apu · failedPSP - INFLIGHT LAX-ORD. AUXILIARY POWER UNIT FAILED IN FLIGHT AUTO SHUTDOWN. EMERGENCY DECLARED, RETURNED TO LAX WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUXILIARY POWER UNIT.SDR DL76G091024Turbine · failedAPU GENERATOR FAILED.FIELD OFF LIGHT ILLUMINATED. LONG HISTORY BIT BPCU FAULTS UNDERVOLTAGE TRIP REPLACE GCU-67. REPLACED GCU NO HELP.REPLACED BPCU AND ECU.ALL NO HELP.REINSTALLED ORIGINAL UNITS. SAME FAULT ALL THE TIME. R & R APU PER AMM. REQUIRES LEAK CHESDR IPXA09M56321Apu · malfunctionedINSPECTION TYPE:N/A APU PRODUCED LOUD BANG AND THEN SMOKE WITH FLAMES. REMOVED AND REPLACED APU PER TC 9112, LEAKS CHECKS GOOD, THIS CLEARS M402696. PLACARD REMOVED.SDR NOCA03609Apu · malfunctionedFLIGHT CREW REPORTED DURING SCHEDULED APU INFLT START APU DID NOT START INFLIGHT. FLIGHT WAS NOT AN ETOPS FLIGHT. OAT (-58 C), ALT FL 390, PEAK EGT 20, 3 ATTEMPTS - NO START. IF START NOT SUCCESSFUL DID APU SHUT DOWN AFTER 95 % ? NO
IF START NOT SUCCESSFUSDR UALA2009060801632Exciter · faultyAPU WOULD NOT START AFTER 3 ATTEMPTS RPM CAME TO 13 THEN ROLLED BACK WITH FAULT LIGHT. REPLACED APU EXCITER BOX.SDR USAA2009060891421Apu · odorFLT 985 - CLT - ODOR - APU IS PUTTING OIL ODOR IN CABIN WHICH HAS BEEN REPORTED AS TOXIC. MAINTENANCE REMOVED AND REPLACED THE APU IAW MM 49-11-11-04-000-004.SDR HALA2009060200225Charger · inoperativeETOPS SIGNIFICANT SYSTEM, ON GROUND APU FAILED TO START W/2 ATTEMPTS RECEIVED APU FAULT EICAS MSG, ACCOMP FIM 49-11-00 FIG 105 AND FIM 49-11-00 FIG 104. REMOVED AND REPLACED APU BATTERY CHARGER PER AMM 24-31-05. OPS CK OK. REMOVED AND REPLACED APU BATTERY PSDR HALA2009052900212Apu · shutdownETOPS SIGNIFICANT SYSTEM - APU AUTO SHUT DOWN WHEN AIR COND PACKS TURNED ON. APU ECU BITE HAD REV FLOW FOR SHUT DOWN REASON, BUT NOT FAULTY LRU. PERFORMED FIM 49-11-00. NO FAULT FOUND APU PNEUMATIC FUNCTION OK.SDR HALA2009052700200Apu · shutdownAPU AUTO SHUTDOWN AT ETP MID POINT APU START VERIFICATION UNSUCCESSFUL ON DESCENT. ATTEMPTED APU START APU REACHED 99PCT. THEN AUTOSHUTDOWN AGAIN. APU REMOVED AND REPLACED PER AMM TASK 49-11-01-004-116 AND TASK 49-11-01-404-153 AND C/W HAL M266-767.SDR VNAA2009052600005Apu · failedCREW REPORTED SMOKE IN CABIN WHEN APU BLEED SELECTED IN BHM. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED THE APU ASSEMBLY PER THE AIRCRAFT MAINTENANCE MANUAL. CHECKS WERE MADE PER THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.SDR DL777090897Igniter · failedATTEMPTED 5X APU STARTS IN CRUISE AS REQUESTED BY MX. APU WOULD NOT START. PEAK RPM 29 PERCENT. CA-NO LATCHED FAULTS APU OPERATES NORM. REMOVED AND REPLACED APU IGNITORS IAW MM FIM 49-40-00-810-814. OPS CK GOOD ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS SDR UALA2009051101339Apu · making metalAPU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. STATUS. FOUND MAG PLUGS FULL OF METAL AND FILTERS CONTAMINATED. DRAINED OIL OUT OF APU. REPLACED APU. OPS CK GOOD.SDR MALA090064Engine · odorHOT ELECTRICAL ODOR IN THE COCKPIT AND GALLEY. LANDED UNDER WT 47000 LBS. INSPECTED COCKPIT, CABIN AND GALLEY FOUND APU TO BE GIVING OFF ODOR INTO ACM. MEL'D APU PER 49-10-1(C) ENTERED INTO MMO2 MX NOTIFIED 18175 RAN ENGINE NR 1 AND NR 2 PACKS TO VERIFY NORSDR NOCA02809Apu · malfunctionedMCC REQUESTED AN APU IN FLIGHT START. APU FAULT LIGHT AND APU AUTO SHUT DOWN, IN FRU OPENED CI 49-08 FOR APU IN FLT START IS REQUIRED DUE TO UNSUCCESSFUL START.SDR UALA2009050501284Gear · failedAPU INOPERATIVE. REPLACED APU STARTER. REPLACED APU, RAN AND LEAKED CHKD APU. NO LEAKS FOUND, APU OPS NORMAL.SDR UALA2009043001265Apu · faultyAPU FAULT AND AUTO SHUTDOWN. 4 TIMES EACH TIME APU LASTED FOR LESS TIME. DPI'S ON THE OIL FILTERS ARE GOOD. FOUND BIG CHIPS AND BALL BEARING ON GEAR BOX CHIP DETECTOR. ALL OIL DRAINED OUT BECAUSE VALVE DID NOT CLOSE. CHIP DETECTOR REINSTALLED. REPLACED ASDR UALA2009042901235Compressor · cracked3 BOLTS SHEARED OFF THE FWD SIDE OF THE COMPRESSOR HOUSING SECTION, 3,9,11 O`CLOCK POSITIONS ON THE APU. REPLACED APU. APU IS READY FOR LEAK AND OPS CHECK. OPS CHECKED GOOD.SDR CA090502004Engine · seized(CAN) ON CLIMB OUT, FLT CREW REPORTED TOILET SMOKE (W) MSG POSTED. COPLIED WITH QRH AND RETURNED TO DEPARTURE. TOILET SMOKE MSG EXTINGUISHED AFTER COMPLETION OF QRH CHECK. APU ASSY REPLACED AND OPS CHECKED. NO FUTHER DEFECTS NOTED. APU ASSY 3800488-3 P-1012 SDR CA090502003Apu · smoke(CAN) DURING TAXI OUT, COCKPIT BEGAN TO FILL WITH SMOKE SHORTLY AFTER, FLT CREW REPORTED APU OIL (C) MSG AND APU AUTO SHUTDOWN. COMPLIED WITH QRH AND RETURNED TO GATE. MX INSPECTED AND FOUND APU FAILED ALONG WITH CONTAMINATED COALESCER SOCKS. REMOVED AND REPSDR A6WA200940220Apu · seizedON CLIMBOUT SMOKE TOILET MESSAGE ILLUMINATED, COMPLIED WITH QRH RETURNED TO DEPARTURE, SMOKE MESSAGE EXTINGUISHED AFTER COMPLETION OF QRH CHECK. REMOVED AND REPLACED APU ASSY ON WO 137202, RAN ENGINES AND PACKS TWICE ON GROUND, NO SMOKE NOTED. (K)SDR A6WA200940219Apu · failedDURING TAXI OUR, COCKPIT BEGAN FILLING WITH SMOKE SHORTLY AFTER RECEIVING APU LOW OIL MESSAGE AND APU AUTOSHUTDOWN. COMPLIED WITH QRH. INSPECTED AND FOUND APU FAILED AND CONTAMINATED COALESCER SOCKS. REMOVED AND REPLACED LT AND RT COALESCER SOCKS. RAN BOTHSDR UALA2009042701218Apu · malfunctionedAPU FAULT LIGHT CAME ON DURING START AND STAYED ON. REPLACED APU AS PRECAUTIONARY.SDR DL76L090782Apu · inoperativeAPU WILL NOT START AT PUSH BACK. RESET AND RESTARTED APU. OPS NOW OK.SDR DXTA2009042103611Apu · leakingAFTER APU START UP, COCKPIT AND CABIN FILLED WITH SMOKE. NOT SURE IF IT WAS ELECTRICAL OR ENVIRONMENTAL. APU BLEED AIR WAS ON. REMOVED & REPLACED APU IAW MM 49-10-00 & MM 49-10-00. OPERATION & LEAK CHECKS GOOD.SDR QXEA2009042100284Apu · smokeYVR - UPON APU START THE FIRE DETECT IN LAV SET OFF. PLACED THE APU ON MEL 49-00-1. RETURNED THE AIRCRAFT TO SERVICE.SDR DL76L090665Apu · failedAPU FAILED TO START AFTER 2 ATTEMPTS, APU INOP APU TAKES 2 MIN 15 SEC TO START EGT SHOWS 534 WHEN LOADED DO 218700. REMOVED AND REPLACED APU ASSY IAW AMM OPS CK AND LEAK GOOD.SDR UALA2009040700997Apu · oil consumptionAPU HIGH OIL CONSUMPTION (OIL IN INLET). REPLACED APU WITH NEW APU, OP CHECKED APU 5 MINS WITH LOAD, CHECKED GOOD.SDR HALA2009040600127Apu · shutdownETPOS SIGNIFICANT SYSTEM, AIR TURN BACK, DUE TO APU AUTO-SHUTDOWN, ADDITIONAL START ATTEMPT FAILED. PERFORMED TROUBLESHOOTING AS PER FIM 49-11-00 FIG 103. NO FAULT MESSAGE. PERFORMED APU START IAW FIM 49-11-00 FIG 103, SATISFACTORY.SDR QXEA2009033000199Apu · failedGEG - AFTER STARTING APU NOTICED SMOKE IN CABIN. NO DEICING HAD OCCURRED. NO PASSENGERS ON BOARD AT THE TIME. PLACED THE APU ON MEL 49-00-1. RETURNED TO SERVICE. MEL CLEARED 3/25. REMOVED APU AND INSTALLED SERVICEABLE APU IAW MTC 6492001. RETURNED TO SESDR CA100105009Apu · fire(CAN) DURING ACCEPTANCE CHECK WITH APU RUNNING, LOUD BANG HEARD FROM REAR OF ACFT. ON WALKAROUND, F/O NOTICED FIRE COMING FROM APU COMPARTMENT. APU FIRE PUSH LIGHTS SELECTED AND FIRE EXTINGUISHED. NO APU FIRE LIGHTS ILLUMINATED. COMPLIED WITH IMMEDIATE ACTIONSDR A6WA200940158Engine · seized190219/1 - (AT GATE) DETECTED STRONG ACRID ELECTRICAL BURNING ODOR FOLLOWED BY APU AUTO SHUTDOWN, GRND SUPERVISOR EXCESS SMOKE FROM APU EXHAUST AFTER APU SHUTDOWN. FA REPORTED POP PRIOR TO APU. FOUND APU SEIZED, APU DOOR IS CLOSED NO SMELL OF ANY KIND EVIDENSDR A6WA200940177Apu · seizedDETECTED STRONG ACRID ELECTRICAL BURNING SMELL FOLLOWED APU AUTO SHUTDOWN, GROUND SUPERVISOR EXCESS SMOKE FROM APU EXHAUST AFTER APU SHUTDOWN. F/A REPORTED POP PRIOR TO APU SHUTDOWN. FOUND APU SEIZED APU DOOR IS CLOSED, NO SMELL OF ANY KIND EVIDENT WITH APU.SDR COMA2009032450103Apu · malfunctionedDURING TAXI APU MADE A LOUD SQUEAK, A BOOM THEN AUTO SHUTDOWN. SMOKE CAME OUT APU DOOR, NO FLAMES. EMERGENCY DECLARED. DEFERRED APU PER MEL 49-10-01-1.
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