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.

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.Jul 14, 2009 · N686BR · Cndair CL6002B19SDR DL75E091189Apu · shutdownAPU AUTO SHUTDOWN ON ITS OWN WHEN PACKS WERE TURNED OFF. PERFORMED ECU BITE, NO FAULTS FOUND. CHECKED OIL LEVEL. CHECKS GOOD.Jul 13, 2009 · N752AT · Boeing 757212SDR 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.Jul 11, 2009 · N831MH · Boeing 767432ERSDR 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 & RETURJul 8, 2009 · N798UA · Boeing 777222SDR UALA2009063001880Seal · blownAPU AND APU CONTROL STATUS MESSAGES. FOUND SURGE DUCT SEAL BADLY BLOWN, DUMPING HOT AIR INTO APU COMPARTMENT. REPLACED SURGE DUCT SEAL.Jun 29, 2009 · N210UA · Boeing 777222SDR 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 Jun 23, 2009 · Cndair CL604SDR 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 14Jun 23, 2009 · Cndair CL604SDR UALA2009062401788Charger · failedAPU WILL NOT START. REPLACED BLOWN APU AIR SURGE DUCT & CLAMP. REPLACED APU BATTERY & BATTERY CHARGER.Jun 23, 2009 · N547UA · Boeing 757222SDR 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.Jun 22, 2009 · N920ME · Boeing 717200SDR 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 Jun 21, 2009 · Bombdr BD1001A10SDR 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.Jun 20, 2009 · N624AW · Airbus A320231SDR 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.Jun 18, 2009 · N596HA · Boeing 767332SDR 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 STAJun 18, 2009 · N586HA · Boeing 7673G5SDR 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 RJun 17, 2009 · N807HK · Emb EMB145EPSDR RAIA2009062200001Unknown · malfunctionedCREW REPORTED A STRONG FUEL ODOR FROM THE APU BLEED AIR. MAINTENANCE DEFERRED THE APU IAW MEL PROCEDURES.Jun 17, 2009 · N811HK · Emb EMB145LRSDR NOCA03809Apu · inoperativeAPU INFLT START UNSUCCESSFUL, OK ON GROUND.Jun 17, 2009 · N750NA · Boeing 75728ASDR 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.Jun 15, 2009 · N172US · Airbus A321211SDR 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.Jun 12, 2009 · N9304C · Doug DC983SDR 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 CHEJun 11, 2009 · N154DL · Boeing 7673P6SDR 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.Jun 11, 2009 · N279UP · Doug MD11FSDR 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 SUCCESSFUJun 9, 2009 · N750NA · Boeing 75728ASDR UALA2009060801632Exciter · faultyAPU WOULD NOT START AFTER 3 ATTEMPTS RPM CAME TO 13 THEN ROLLED BACK WITH FAULT LIGHT. REPLACED APU EXCITER BOX.Jun 7, 2009 · N667UA · Boeing 767322SDR 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.Jun 5, 2009 · N172US · Airbus A321211SDR 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 PJun 2, 2009 · N586HA · Boeing 7673G5SDR 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.May 29, 2009 · N597HA · Boeing 767332SDR 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.May 27, 2009 · N588HA · Boeing 7673CBSDR 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.May 19, 2009 · N261PS · Cndair CL6002B19SDR 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 May 16, 2009 · N860DA · Boeing 777232SDR 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.May 11, 2009 · N778UA · Boeing 777222SDR 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 NORMay 11, 2009 · N833AY · Cndair CL6002B19SDR 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.May 10, 2009 · N754NA · Boeing 75728ASDR UALA2009050501284Gear · failedAPU INOPERATIVE. REPLACED APU STARTER. REPLACED APU, RAN AND LEAKED CHKD APU. NO LEAKS FOUND, APU OPS NORMAL.May 3, 2009 · N672UA · Boeing 767322SDR 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 AApr 29, 2009 · N660UA · Boeing 767322SDR 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.Apr 28, 2009 · N211UA · Boeing 777222SDR 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 Apr 26, 2009 · Cndair CL6002B19SDR 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 REPApr 26, 2009 · Cndair CL6002B19SDR 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)Apr 26, 2009 · N450AW · Cndair CL6002B19SDR 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 BOTHApr 26, 2009 · N450AW · Cndair CL6002B19SDR UALA2009042701218Apu · malfunctionedAPU FAULT LIGHT CAME ON DURING START AND STAYED ON. REPLACED APU AS PRECAUTIONARY.Apr 25, 2009 · N778UA · Boeing 777222SDR DL76L090782Apu · inoperativeAPU WILL NOT START AT PUSH BACK. RESET AND RESTARTED APU. OPS NOW OK.Apr 23, 2009 · N199DN · Boeing 767332SDR 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.Apr 20, 2009 · N670QS · Cessna 560XLSDR 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.Apr 17, 2009 · N403QX · Bombdr DHC8402SDR 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.Apr 14, 2009 · N187DN · Boeing 767332SDR UALA2009040700997Apu · oil consumptionAPU HIGH OIL CONSUMPTION (OIL IN INLET). REPLACED APU WITH NEW APU, OP CHECKED APU 5 MINS WITH LOAD, CHECKED GOOD.Apr 7, 2009 · N792UA · Boeing 777222SDR 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.Apr 6, 2009 · N583HA · Boeing 76733ASDR 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 SEMar 24, 2009 · N407QX · Bombdr DHC8402SDR 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 ACTIONMar 23, 2009 · Cndair CL6002B19SDR 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 EVIDENMar 23, 2009 · N453AW · Cndair CL6002B19SDR 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.Mar 23, 2009 · N453AW · Cndair CL6002B19SDR 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.Mar 23, 2009 · N956CA · Cndair CL6002B19
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