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 CALA2013120693514Apu · shutdownFUEL APU LP VLV FAULT ECAM ON LANDING WHILE STARTING APU. APU AUTO SHUTDOWN.Dec 5, 2013 · N414UA · Airbus A320232SDR DXTA2013120505590Apu · malfunctionedAFTER APU WAS STARTED & GEN SWITCH WAS ON, WE TURNED THE BLEED AIR ON. ALMOST IMMEDIATELY SMOKE STARTED FILLING THE COCKPIT. THE SMOKE DID NOT APPEAR TO BE COMING FROM WEMACS. IT SMELLED LIKE DIRTY SOCKS, APU WAS SHUTDOWN & SMOKE EVENTUALLY DISSIPATED. NO Dec 4, 2013 · N668QS · Cessna 560XLSDR CALA2013120393408Apu · leakingSTRONG PUNGENT ODOR THROUGHOUT CABIN, MAKING CABIN CREW NAUSEOUS. REPLACED APU FOR OIL INTERNAL LEAKAGE.Dec 1, 2013 · N419UA · Airbus A320232SDR USAA2013112900010Apu · malfunctionedDURING PAX BOARDING, CREW REPORTED UPON APPLICATION OF THE RT PACK, SMOKE IMMEDIATELY ENTERED CABIN & COCKPIT. MAINTENANCE REPLACED APU PER JOB CARD 03L70349004.Nov 27, 2013 · N435US · Boeing 7374B7SDR ASAA2013112696550Apu · overspeedAPU OVERSPEED. ACFT GROUNDED. ACCOMPLISHED FAULT ISOLATION APU OVERSPEED IAW AMM 49-30-00. APU OPS CHECKED NORMAL.Nov 26, 2013 · N408AS · Boeing 737990ERSDR CALA2013112693261Apu · malfunctionedON APU START, EGT OVER TEMPED TO OVER 900 DEGREES, APU OBVIOUSLY DID NOT HAVE A SUCCESSFUL START. FIRST START ATTEMPT WAS NOT TOGGLED CORRECTLY, SECOND START ATTEMPT WAS ABORTED DUE TO REPORTED FLAME OUT EXHAUST. TROUBLE SHOT IAW FIM 49-7 0 TASK 81. CREW SHNov 25, 2013 · N212UA · Boeing 777222SDR USAA2013112600013Actuator · leakingDIRTY SOCK SMELL IN DESCENT TO PHX BEGINNING BELOW FL180. COMPLIED WITH JOB CARDS 26L00021001, 26L00021002 & 26L00026004. APU IGV ACTUATOR DRAIN LEAKING 30 - 40 DROPS OF FUEL PER MINUTE. R & R APU IGV ACTUATOR IAW MM 49-23-51, OPERATIONS GOOD. APU OVER SERNov 25, 2013 · N659AW · Airbus A320232SDR CA131126011Apu · making metal(CAN) AIRCRAFT WAS ON THE RAMP WITH APU RUNNING, CREW NOTICE AN UNUSUAL ODOR IN CABIN, CREW VERIFIED APU EGT AN NOTICED EGT RISSING AT A FAST RATE, PILOT SHUTDOWN THE APU. MECHANIC WHEN ON SITE AND FOUND OIL FILTER FULL OF METAL.Nov 24, 2013 · Amd FALCON2000EXSDR CALA2013111893010Apu · shutdownAPU AUTO SHUT DOWN. ECU FAULTS GEN FILTERS, REPLACED BOTH FILTERS & REPLACED ECU, NO HELP. DELTAP NOT POPPED & CHIP DETECTOR CLEAN, APU SHUT DOWN AFTER 6 MINUTES WITH NO LOAD APPLIED, REINSTALLED ORIGINAL ECU.Nov 15, 2013 · N543UA · Boeing 757222SDR USAA2013111800015Plenum · contaminatedCREW REPORTED WHEN APU BLEED AIR IS RUNNING, THERE IS A STRONG OIL SMELL THROUGH THE PACKS. MAINTENANCE ACCOMPLISHED TROUBLSHOOTING CABIN AIR QUALITY JC 26L00021001. APU DETERMINED TO BE SOURCE. FOUND AND CLEANED OIL IN APU INTAKE AND INTAKE PLENUM. POSSINov 15, 2013 · N829AW · Airbus A319132SDR CALA2013111492934Apu · faultedAPU SHUTDOWN, FAULT LIGHT ILLUMINATED & EICAS MESSAGE, APU FAULT DISPLAYED. RESTARTED APU APPLIED ELECTRICAL & PNEUMATICS, WORKED OK, RAN FOR 30 MINUTES WITH NO PROBLEMS.Nov 13, 2013 · N543UA · Boeing 757222SDR CALA2013111492932Apu · shutdownAPU AUTO SHUT 2 TIMES WITH A FAULT MESSAGE. APU FAULT CLEARED OIL QTY FULL 1 START ATTEMPT SUCCESSFUL. NO FURTHER APU SHUT DOWN AT THIS TIME AC OK CONTINUE.Nov 13, 2013 · N665UA · Boeing 767322SDR CA131112007Apu · failed(CAN) THE CREW REPORTED THAT JUST AFTER TAKEOFF, THE CABIN AIR SMELLED LIKE SMOKE FOR ABOUT 30 SECONDS CAUSING SOME EYE AND NOSE IRRITATION. THE APU WAS SUPPLYING BLEED AIR AT THE TIME. THE APU WAS SUBSEQUENTLY REMOVED FOR REPAIR AND REPLACED WITH A RENTAL UNov 10, 2013 · Bombdr BD1001A10SDR CA131106005Duct · damaged(CAN) DURING INSPECTION, A HOLE WAS FOUND ON THE ELBOW PORTION OF THE COMPRESSOR CROSSOVER DUCT. THIS DUCT WAS LOCATED ON THE FORWARD SIDE OF THE AIR CONDITIONING PACK. FOR RECTIFICATION, THE DUCT HAD BEEN REPLACED. IPC REFERENCE 21-51-66, FIGURE 25, ITEM 10Nov 6, 2013 · Bombdr DHC8400SDR ASAA2013110196275Apu · malfunctionedAPU WONT START, FAULT LIGHT ON. ACFT GROUNDED, PERFORMED FIM 49-40, TASK 803. NO APU ROTATION SHUTDOWN. PERFORMED BITE TEST ON APU, NO CURRENT FAULTS FOUND, GROUND VERIFICATION TESTS NORMAL. RAN APU 6 TIMES, LOADED DOWN APU, NO FAILURES NOTED. NO HISTORYNov 1, 2013 · N533AS · Boeing 737890SDR CALA2013110192563Apu · shutdownAPU SHUTDOWN WITH FAULT LIGHT ILLUMINATEDNov 1, 2013 · N535UA · Boeing 757222SDR CALA2013110192562Apu · faultyAFTER PUSHBACK, APU AUTO SHUTDOWN TWICE. REPLACED APU IAW MM, OPERATIONS CHECKED GOOD.Oct 28, 2013 · N667UA · Boeing 767322SDR ASAA2013102596231Exciter · failedAPU FAULT LIGHT ILLUMINATED ON FIRST START & SECOND ATTEMPTS AFTER FAULT LIGHT EXTINGUISHED. ACFT GROUNDED. FOUND 2 FAULT CODES ON THE APU BITE CHECK. FOUND IGN CIRCUIT OPEN 49-41181 AND FIRE HANDLE PULLED 49-11021. CYCLED FIRE HANDLE AND REPLACED THE APU IGNOct 25, 2013 · N433AS · Boeing 737990ERSDR UIEA2013102000531Exciter · failedAPU DID NOT START AFTER 3 ATTEMPTS ON GROUND. (PERFORMED APU BITE ON ECU; FAULTED "IGN UNIT", IAW FIM 49-11, R & R IGN EXCITER UNIT IAW AMM 49-41-03; R & R IGNITOR IAW AMM 49-41-02, OPS CKD NORMAL).Oct 19, 2013 · N640GT · Boeing 7673S1SDR UIEA2013101700527Apu · inoperativeAPU WOULD NOT START.Oct 17, 2013 · N641GT · Boeing 76738ESDR SIMA20131016004Apu · odorLAVATORY SMOKE WARNING ON EICAS DURING CLIMBOUT THROUGH 1000 FT, PASSENGER REPORTED SLIGHT ODOR OF ELECTRICAL BURNING. ACCOMPLISHED ETN EM-72-034 R4 TWICE. FOUND ODOR TO BE RESIDUAL OIL FROM APU REMOVAL & REPLACEMENT. NO ODORS NOTED AT THIS TIME.Oct 16, 2013 · N642AE · Emb EMB145LRSDR CALA2013100991880Apu · shutdownAPU AUTO SHUTDOWN AT GATE WHEN LOAD WAS APPLIED. CMC MESSAGE WAS 49-11-891 APU RENDERED INOPERATIVE.Oct 9, 2013 · N178UA · Boeing 747422SDR CALA2013100991893Apu · malfunctionedAPU WILL NOT START, HANGS AT 28%. START ABORT MESSAGE. REPLACED APU.Oct 8, 2013 · N551UA · Boeing 757222SDR CALA2013100891841Pressure Switch · faultyAPU AUTO SHUTDOWN ECU SHOWS "GEN FILTER" IN 2 OF THE LAST 4 SHUTDOWNS. IAW FIM49-11-00 CONF 2 PG 146 ITM2 SWITCH NEEDS TO BE CHECKED FOR RESISTANCE. PCN 481-1503 ORDERED. IAW AMM 49-27-15, AMM 49-27-03, AMM 49-27-04, CHECKED CHIP DETECTOR FOUND OK. REPLACOct 7, 2013 · N644UA · Boeing 767322SDR DALA13047839013Inlet · contaminatedDURING CLIMBOUT, FLIGHT CREW DETECTED A BURNING ODOR. NO SMOKE NOTED. ODOR DISSAPATED AFTER FIVE MINUTES. FOUND RESIDUAL HYD FLUID NEAR THE APU INLET WITH NO LEAKS FOUND. THE APU INLET WAS CLEANED AND THE DUCT BURNOUT WAS COMPLETED IAW WC 4950-2215. THESep 30, 2013 · N913DE · Doug MD88SDR USAA2013092400006Apu · odorDURING TAKE OFF AND CLIMB IN MODERATE RAIN, APU AND BLEED ON, AFTER THRUST REDUCTION AND BLEED RECONFIGURATION, A STRONG DIRTY SOCKS ODOR WAS REPORTED BY F/A IN CABIN AND COCKPIT. MX COMPLIED WITH TROUBLESHOOTING AND DETERMINED APU TO BE SOURCE OF ODOR. REPLSep 22, 2013 · N835AW · Airbus A319132SDR WRLA20130922602Apu · shutdownDURING DEPARTURE, APU SHUTDOWN AT NR2 ENGINE START. ENGINE AROUND 22 PERCENT N2 WHEN APU STARTED TO ROLL BACK AND COULD NOT SUSTAIN THE ENGINE START. SHUT IT DOWN AND REQUESTED AN AIR START. GROUND PERSONNEL REPORTED SMOKE COMING FROM THE NR 2 ENGINE. MX Sep 22, 2013 · N272WA · Doug MD11SDR UIEA2013092100506Apu · inoperativeAPU WILL NOT START, THREE ATTEMPTS. APU FAULT LIGHT.Sep 21, 2013 · N641GT · Boeing 76738ESDR CALA2013092091291Apu · faulty"APU CONTROL" MESSAGE ON EICAS. REPLACED THE APU. OPERATIONS CHECKED GOOD.Sep 19, 2013 · N797UA · Boeing 777222SDR CALA2013092091290Apu · faultyAPU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. REPLACED APU ASSEMBLY IAW AMM.Sep 19, 2013 · N218UA · Boeing 777222SDR WX0A201309260001Apu · faultedBOTH AFT LAV SMOKE DETECTORS WENT OFF DURING TAXI OUT. VISIBLE SMOKE IN AFT CABIN. EMERGENCY EVACUATION OCCURRED. R & R APU IAW TC R0594902. LEAK AND OPS CHECKED GOOD.Sep 16, 2013 · N415NV · Doug DC983SDR CALA2013091891284Apu · shutdownAPU SHUTDOWN ON PUSH BACK.Sep 15, 2013 · N649UA · Boeing 767322SDR DXTA2013091605503Apu · failedAPU WAS RUNNING FOR LESS THAN 3 MINUTES, THERE WAS A LOUD BANG AND APU SHUTDOWN. SAW DARK SMOKE BILLOWING FROM APU INTAKE AND SHUT THE REST OF THE AIRCRAFT DOWN. SMOKE DISSIPATED BUT STILL CONTINUED TO COME FROM THE INLET FOR FIFTEEN MINUTES. FOUND OIL IN APSep 13, 2013 · N580QS · Cessna 560XLSDR CALA2013090991108Apu · faultyAPU NO START 3 TRIES HANGS AT 40%. REPLACED APU.Sep 8, 2013 · N641UA · Boeing 767322SDR CALA2013090900637Apu · fireAPU FIRE AT GATE 138 JUST AFTER SHUTTING DOWN ENGINES FIRE TWO BOTTLES. R&R APU FIRE BOTTLE IAW MM 26-22-01-00-801. OPERATIONS CHECKED NORMAL.Sep 6, 2013 · N78002 · Boeing 777224SDR DXTA2013090605495Impeller · leakingDURING TAKEOFF, A STRONG ACRID ODOR FILLED COCKPIT AND CABIN. APU WENT INOPERATIVE JUST PRIOR TO THE ODOR. TROUBLESHOT, FOUND APU IMPELLER OIL LEAK AT INLET. REMOVED APU. INSTALLED REPAIRED APUSep 5, 2013 · N612QS · Cessna 560XLSDR CA130829004Apu · smoke(CAN) WITH DOORS CLOSED ON STAND, ENGINES STILL SHUTDOWN, APU RUNNING WITH BLEED SELECTED. APU HAD BEEN RUNNING FOR APPROXIMATELY 5 MINUTES WITH THE BLEED ON FOR 2 MINUTES. SMALL AMOUNT OF SMOKE/HAZE NOTICED IN THE FLIGHT DECK, SHORTLY AFTERWARDS THE TOILET Aug 28, 2013 · Bombdr DHC8400SDR ASAA2013082395874Engine · malfunctionedAPU DID NOT START ON FIRST ATTEMPT. FAULT CODE 49-41012. ACFT GROUNDED. ACCOMPLISHED FIM TASK 49-40, TASK 803, STEP E. BITE CHECK DID NOT SHOW MX MESSAGE 49-41012. IN LAST CYCLE. ONLY SHOWS 1 OCCURRENCE IN FAULT HISTORY IAW FIM TASK THE FAULT IS CORRECTED.Aug 23, 2013 · N535AS · Boeing 737890SDR AALA20130820007Apu · failedDFW CREW REPORTED AUXILIARY POWER UNIT FAILED WITH AC CROSS TIE ON PLACARD. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUXILIARY POWER UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSEDAug 20, 2013 · N9630A · Doug MD83SDR CALA2013081990525Engine · making metalAPU AUTO SHUTDOWN WITH SMOKE REPORTED AND VIBRATION FELT IN COCKPIT. REMOVED APU MAG CHIP DECTECTORS AND FOUND A LARGE DEPOSIT OF METAL FLAKES. SUGGEST APU CHANGE. METAL FLAKES BEYOND LIMITS IAW 49-91-42. APU PN MR49206.Aug 17, 2013 · N430UA · Airbus A320232SDR CALA2013081690484Warning Message · illuminatedAPU CONTROL STATUS MESSAGE AFTER COLD SOAK START.Aug 15, 2013 · N783UA · Boeing 777222SDR UIEA2013081200444Apu · inoperativeAPU WONT START.Aug 12, 2013 · N644GT · Boeing 7673JHFSDR Y9PA201308090001Apu · inoperativeWHILE PARKED AT THE FBO, THE CREW NOTICED A SURGE IN THE APU, THE ACFT LOST ELECTRICAL POWER FOR A MOMENT, THE APU RECOVERED, ELECTRICAL POWER RETURNED, THEN THE CREW NOTICED THE OIL ODOR AND SMOKE IN COCKPIT. THE CREW THEN SHUTDOWN THE APU FOR FURTHER TROUBLEAug 4, 2013 · N9106 · Gulstm GIVSDR CALA2013080590146Apu · shutdownAPU SHUTDOWN ON WAY TO GATE.Aug 3, 2013 · N793UA · Boeing 777222SDR CA130729014Apu · failed(CAN) EVIDENCE OF FIRE DAMAGE WAS DISCOVERED AFTER LANDING, OUTSIDE OF APU INLET LOCATION AND TAILCONE. CREW REPORTED THAT DURING DESCENT, THEY HAD TRIED TO START THE APU 3 TIMES WITHOUT SUCCESS. ON EACH ATTEMPT, THE APU SPOOLED ONLY TO 5 PERCENT AND 33 DEGREJul 26, 2013 · Bombdr BD1001A10SDR UALA2013072605249Valve · malfunctionedAPU AUTOSHUTDOWN TWICE PRIOR TO STARTING NR 2 ENGINE. AUDIBLE VIBRATION AND COMPRESSOR STALL. MOTORED NR 1 ENGINE ALL PARAMETERS GOOD. AS SOON AS DEMAND WAS REMOVED APU AUTO SHUTDOWN WITH VIBRATION AND SURGE. REPLACED SURGE VALVE IAW MM, OPS CHECKED GOOD THRJul 25, 2013 · N667UA · Boeing 767322SDR UALA2013071204901Engine · hung startAPU WILL NOT START. HANGS BETWEEN 25 AND 35 PERCENT RPM AND SHUTSDOWN WITH FAULT LIGHT ON. R & R IGNITER , LEAD AND STARTER MOTOR, OPS CKS GOOD.Jul 11, 2013 · N660UA · Boeing 767322SDR ASAA2013070495470Apu · failedON WALKAROUND FOUND SILVER METALIC TAPE HANGING OUT OF APU STARTER/GENERATOR FILTER GROUNDED. REPLACED APU STARTER/GENERATOR IAW AMM TASK 49-41-21-000-801 AND 49-41-21-400-801. GROUND VERIFICATION CHECKED GOOD.Jul 4, 2013 · N529AS · Boeing 737890SDR CA130715003Engine · malfunctioned(CAN) DURING ROUTING ACFT C-CHECK, THE THERMAL BLANKET ON THE REAR GAS GENERATOR CASE, GGC WAS FOUND RIPPED OPEN AND THE GGC WAS FOUND BURNED AND BREACHED. LOCALIZED HEAT DAMAGE SURROUNDED THE AREA HOWEVER NO OTHER APPARENT DAMAGES APPEAR TO BE PRESENT ON ENGIJul 1, 2013 · Airbus A380842SDR USAA2013070100014Apu · faultyF/A REPORTED A CABIN ODOR/SMELL COMPLAINT. MX DETERMINED APU IS SOURCE. COMPLIED WITH ENVIRONMENTAL CONTROL SYS DECONTAMINATION JOB CARD 26L00021004.Jun 29, 2013 · N830AW · Airbus A319132
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