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 UALA2012122707404Apu · failedCABIN FILLED WITH SMOKE WHILE BROADING PASSENGERS. APU CONFIRMED FAILURE. APU PNEUMATIC DUCT FROM APU FWD BULKHEAD TO STA 1743 NEEDS CLEANING DUE TO OIL INSIDE OF DUCT CAUSED BY APU MALFUNCTION. FOUND KEVLAR, MATERIAL (FOD) IN INLET OF OLD APU INLET SCREEN,Dec 26, 2012 · N584UA · Boeing 757222SDR USAA2012122800017Apu · faultyCREW REPORTED A STRONG OILY SMELL THROUGHOUT AIRCRAFT WHEN APU BLEED IS TURNED ON. MAINTENANCE TROUBLESHOT CABIN AIR QUALITY PER J/C 26L00021001 AND FOUND SOURCE OF ODOR TO BE APU. PERFORMED J/C 26L00021002, APU SMELL IN CABIN, AND FOUND APU BAD. REMOVED ANDec 26, 2012 · N747UW · Airbus A319112SDR UALA2012122707415Apu · malfunctionedAPU MAKES BEARING WHINE NOISE. OIL SMELL IN CABIN. SHUT IT DOWN AT GATE. TOMC CONTACTED, APU CONSIDERED INOPERATIVE FOR FURTHER T-S. INF- :WORK WITH LM5169. INF- :REMOVED APU PER MM. APU HRS READS=18743 AND CYCLE COUNTER READS=15277. RPLC'D APU.Dec 24, 2012 · N797UA · Boeing 777222SDR ASAA2012122393536Apu · unknownFOLLOWING GROUND POWER INTERRUPTION APU INDICATES FAULT ON START. WILL NOT START. RESTARTED APU AFTER 5 MINUTES. APU STARTED NORMAL, NO FAULT LIGHT ILLUMINATED, NO HISTORY ON LAST 30 DAYS. OK FOR SERVICE.Dec 23, 2012 · N597AS · Boeing 737890SDR UALA2012122107315Apu · faultyTHIS IS A CREW REFUSAL FOR INOP APU. DENMM EFS TO WORK DF935 TO TRY AND CORRECT PROBLEM. FOUND CONNECTOR P28 PIN 1 CONTAMINATED WITH DEBRIS. CLEANED DEBRIS, STARTED APU FROM BATTERY AND RAN ENGINES TRANSFERRED POWER FROM ENGINES TO APU NO SHUTDOWN OCCURRENCDec 18, 2012 · N815UA · Airbus A319131SDR USAA2012121800002Seal · leakingA HAZE AND STRONG CHEMICAL ODOR WERE PRESENT IN THE CABIN WITH APU BLEED ON. CREW MEMBER REPORTED BURNING EYES AND THROAT IRRITATION. ODOR DISSIPATED WITH APU BLEED AIR OFF. MAINTENANCE REMOVED AND REPLACED THE APU. HONEYWELL CONFIRMED THE FAILURE OF THE LODec 15, 2012 · N167US · Airbus A321211SDR USAA2012120700016Apu · leakingDURING ALL PHASES OF FLIGHT (FLT 1665, CLT-STL), CREW REPORTED THE AIR HAD A MUSTY/OILY ODOR. SWITCHED PACKS OFF ALTERNATELY - AIR SEEMED TO IMPROVE WITH PACK 2 OFF. FLIGHT CONTINUED ONTO DESTINATION TO STL. MAINTENANCE PLACED THE APU ON MEL 49-10-01A. SUBSDec 5, 2012 · N705UW · Airbus A319112SDR UALA2012120306905Apu · faultyAPU FAULT. 3 START ATTEMPTS FAILED. PERFORMED TROUBLESHOOTING IAW FIM TASK 49-11-00, FIG 105. FOUND APU BATTERY LOW VOLTAGE START, CHARGER OK. REMOVED AND REPLACED APU BATTERY IAW AMM 24-31-04, ALSO CHANGED APU IGNITER PLUG AND IGNITION CABLE PER AMM 49-41Dec 2, 2012 · N661UA · Boeing 767322SDR CA130110010Engine · failed(CAN) DURING A QUICK TURN AT THE OPERATORS HOMEBASE, CREW SMELLED SMOKE IN THE CABIN FOLLOWED BY A RED, APU FIRE, CAS MESSAGE ON EICAS. APU AUTO SHUTDOWN AND CREW SET OFF THE APU FIRE BOTTLE. TRIP WAS CANCELLED. TALK WITH MFG, BELIEVE THE APU COMPRESSOR LET Nov 29, 2012 · Cndair CL604SDR CA121126013Apu · failed(CAN) CREW REPORTED THAT ON APPROACH, THE APU FIRE INDICATION ILLUMINATED. THE CREW SHUTDOWN THE APU, FIRED THE EXTINGUISHER AND DECLARED AN EMERGENCY. ACFT LANDED WITHOUT FURTHER INCIDENT. ON THE GROUND, AFTER THE LANDING, THE APU FULL OF THE LENGTH OF THNov 26, 2012 · Bombdr BD1001A10SDR HNAA2012111901062Combustion Head · odorAFTER STARTING APU, NOTICED STRONG FUEL ODOR FOLLOWED BY APU SHUTDOWN. INSPECTED, NO LEAKS FOUND, CONFIRMED PROBLEM WITH BLEEDS ON. R & R APU COMBUSTER IAW AMM 49-20-00. OPS AND LEAKED CHECKED GOOD. RAN APU WITH BLEEDS ON. NO FUEL ODOR NOTED. CLEARED MELNov 19, 2012 · N975HA · Dhav DHC8102SDR USAA2012111900015Apu · overservicedAIRCRAFT DIVERTED TO BNA AND LANDED WITHOUT INCIDENT DUE TO PERSISTENT ROTTEN EGG SMELL IN THE MID TO AFT CABIN. FUMES LINGERED AFTER BOTH PACKS WERE OFF AND RAM AIR OPEN. CREW REPORTED PHYSICAL SYMPTOMS DUE TO ODOR. MAINTENANCE TROUBLESHOT TO OVER-SERVICEDNov 14, 2012 · N559UW · Airbus A321231SDR HNAA2012100500998Apu · fumesFUEL FUMES ENTERING CABIN WITH APU BLEEDS ENGAGED, FOLLOWED BY APU SHUTDOWN.Nov 9, 2012 · N975HA · Dhav DHC8102SDR CA121109005Apu · shutdown(CAN) AFTER DEPARTING THE APU OVERSPEED LIGHT ILLUMINATED AND APU DID AN AUTO SHUTDOWN JUST PRIOR TO ETOPS SEGMENT. ACFT WAS DIVERTED FOR TROUBLESHOOTING AND REPAIR. PERFORMED TASK 49-30 TASK 802 APU OVERSPEED SHUTDOWN AND APU BITE PROCEDURE 49-60, TASK 801Nov 8, 2012 · Boeing 737*SDR UALA2012110906455Unknown · malfunctionedAPU FAILED AFTER EXTERNAL POWER REMOVED, RESTARTED OKAY. REPEAT WRITEUP. RESTARTED APU, NO PROBLEMS AT THIS TIME. NO HISTORY.Nov 8, 2012 · N666UA · Boeing 767322SDR SWIA201232101Apu · faultyFUEL SMELL IN THE FLIGHT DECK WHEN THE APU IS ON. (FLT 5458) REPLACED APU ASSEMBLY IN REFERENCE TO AMM.Oct 29, 2012 · N233SW · Emb EMB120ERSDR AALA20121028007Apu · malfunctionedSAT - INFLIGHT DFW-MEX. CREW REPORTED LEFT ENGINE GENERATOR FAILED AND AUXILIARY POWER UNIT FAULTED. EMERGENCY DECLARED FLIGHT DIVERTED SAT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUXILIARY POWER UNIT, LEFT ENGINE GENERATOR AND CONOct 28, 2012 · N3515 · Doug DC982SDR ASAA2012102193165Turbine Blades · damagedPOWERPLANT ENGINEERING REPORTED A SHIFT UP OF THE APU EGT CT5ATP. ACCOMPLISHED BOROSCOPE OF APU 1ST STAGE TURBINE BLADE, SHIFT AND FIRST STAGE STATOR AND FIRST STAGE TURBINE INSPECTION REF AMM 49-11-00-210-801 AND AMM 49-21-00-200-802. FOUND 1/2 BLADE T/E Oct 21, 2012 · N516AS · Boeing 737890SDR UALA2012102206034Apu · malfunctionedAPU AUTO SHUTDOWN EGT SPIKED RED VIBRATION AND EXTERNAL SMOKE :WILL DEFER APU INOP PER MEL 4910B OPB HAS BEEN ADVISED. TOMC-EMC INSPECTED INLET AND EXHAUST NO DEFECTS NOTED. CFDS APU SHUTDOWNS HAS 'FUEL CTL UNIT' FAULT. ACP OPERATIONAL TEST PER AMM49-00-00Oct 21, 2012 · N495UA · Airbus A320232SDR UALA2012101805971Unknown · malfunctionedAPU FAULT FIRST START. HUNG AT 40PCT. SECOND START OKAY. BIT THE BOX, NO FAULTS OR MESSAGES. STARTED APU TWICE AND START NORMAL. RAN APU FOR AN HOUR WITH A FULL ELECTRICAL LOAD. SHUTDOWN NORMAL. CHECKED CHIP DETECTORS AND DPI'S. NO PROBLEMS FOUND. OILOct 17, 2012 · N544UA · Boeing 757222SDR CA121015008Engine · failed(CAN) THE APU FAILED AS THE ACFT WAS PARKED ON THE GATE. SMOKE WAS SEEN COMING FROM THE APU. THE SMOKE QUICKLY DISSIPATED. EMS WAS CALLED AS A PRECAUTION. THERE WAS NOT ADVERSE REACTION AS PASSENGERS DEPLANED. APU INSPECTION FOUND GUIDE VANES MISSING AND MEOct 13, 2012 · Airbus A319114SDR DALA12009709001Inlet · contaminatedON TAXI IN, WHEN APU IS PROVIDING AIR TO AIR CONDITIONING, AN ABNORMAL ODOR IS OMITTED FROM ACFT VENTS. ACFT IS NORMAL ON ENGINE AIR. TROUBLESHOT FOUND APU INLET CONTAMINATED WITH HYDRAULIC FLUID. CLEANED INLET, PERFORMED APU DUCT BURNOUT AND REPLACED COALESOct 9, 2012 · N901DE · Doug MD88SDR USAA2012092700001Apu · leakingPHL - THE CREW NOTICED A CABIN ODOR AFTER BOARDING THE AIRCRAFT. THE APU AND A/C SYSTEM HAS AN OIL SMELL WITH APU AIR OR EXTERNAL AIRSOURCE. MAINTENANCE ACCOMPLISHED JC FOR CABIN AIR QUALITY AND DECONTAMINATION OF THE ECS. AFTER AN UNSUCCESSFUL TEST FLIGHT Sep 23, 2012 · N283AY · Airbus A330243SDR REXA2012091901355Unknown · odorON FLIGHT 4317 FROM IND TO RDU APU PRODUCED SMOKE SMELL AND SMOKE TOLIET MESSAGE ON DECENT WHEN PACKS RUN OFF OF APU. SMELL WENT AWAY WHEN SWITCHED BACK TO 10TH STAGE BLEEDS. MAINTENANCE DEFERRED THE APU. COMPLETED APU OPS CHECKS AND BLEED AIR TRANSFER SQUESep 19, 2012 · N8800G · Cndair CL6002B19SDR UALA2012091905296Apu · making metalAPU CONTROL STATUS MSG. LATCHED FAULT MSG 49-12990. FIM TASK 49-20-813 - CHECKED CHIP DETECTORS PER AMM 49-27-04 AND FOUND LARGE QUANTITY OF PARTICLES ON OIL SUMP DETECTOR AND SMALL (FUZZ) ON TURBINE BEARING SCAVENGE DETECTOR. COMPLETED APU INSTALLATION PERSep 19, 2012 · N797UA · Boeing 777222SDR UALA2012090404927Apu · faultyAPU AUTO SHUTDOWN, FLT DIVERTED. REPLACED APU FMU. PREVIOUS HISTORY. ACP ECU BITE FOUND AUTO SHUTDOWN LOP MESSAGES. DURING LEAK CHECKS FOUND FMU ATTACHMENT FLANGE CASTING LEAKING UNDER PRESSURE FROM HAIRLINE CRACK. REPLACED APU. OPS CHECK, LEAK CHECK NORSep 3, 2012 · N642UA · Boeing 767322SDR UALA2012090404925Blade · damagedDUE TO REPORTS OF DAMAGED BLADES ON APU. REPLACE APU WITHIN 3 CYCLES. APU PCN 225-9100 AVAIL DEN & LAX. REMOVED AND REPLACED APU.Sep 2, 2012 · N461UA · Airbus A320232SDR TCJA201209100001Apu · failedAPPROXIMATELY FIVE MINUTES INTO GROUND RUN IN PREPARATION FOR A FLIGHT, APU EXHIBITED A LOUD SCREECHING OR GRINDING NOISE FOLLOWED BY TWO LOUD "POPS". HEAVY OIL SMOKE IMMEDIATELY BEGAN EXITING CABIN AND COCKPIT AIR CONDITIONING DUCTING. APU SHUTDOWN WAS INITAug 28, 2012 · N529DM · Cndair CL6002B16SDR UALA2012082704808Apu · faultyAPU FAULT FAILED TO START FIRST ATTEMPT. ACCMP'D BITE ON ECU, HAD ABORTED START. STARTER CIRCUIT FAULT. CREW STARTED APU ON SECOND TRY. START CONTACTOR, E-STARTER, START RELAY, ECU AND APU BAT CHRGR HAS BEEN REPLACED. HISTORY INDICATES THAT APU ESN 60227 Aug 24, 2012 · N596UA · Boeing 757222SDR UALA2012082304716Apu · faultyECAM MESSAGE APU AUTO SHUTDOWN DISPLAYED ON UPPER ECAM SCREEN - APU. REMOVED APU. APU HOURS ON RMV'D APU 6 START ATTEMPTS 15 START CYCLES 10. ECAM MESSAGE APU AUTO SHUTDOWN DISPLAYED ON UPPER ECAM SCREEN. REPLACED APU.Aug 21, 2012 · N462UA · Airbus A320232SDR UALA2012082304722Apu · inoperativeAPU WILL NOT START.Aug 21, 2012 · N596UA · Boeing 757222SDR HALA2012081800192Apu · auto shutdownAPU AUTO SHUTDOWN IN FLIGHT. EICAS MESSAGE, APU FAULT. R & R APU IAW M266-767. LEAK AND OPS CHECKED OK.Aug 18, 2012 · N585HA · Boeing 7673G5SDR UALA2012081504527Engine · making metalAPU CONTROL STATUS MESSAGE. AFTER TROUBLESHOOTING REMOVED ALL THREE CHIP DETECTORS AT APU AND FOUND ALL TO BE BADLY CONTAMINATED WITH METAL. APU NOT USEABLE. REPLACED APU PER MM. OPS AND LEAK CHECKED GOOD.Aug 14, 2012 · N773UA · Boeing 777222SDR UALA2012081304471Engine · fireAPU IS BLOWING SMOKE OUT EXHAUST. ACFT WAS INSPECTED FOR FIRE DAMAGE. SHUT DOWN APU, HAD FIRE IN TAIL PIPE, TRIED RESTART TO BLOW OUT NO LUCK. FIRE DEPT SHOT WATER IN TAIL PIPE TO EXTINGUISH FLAMES, NO FIRE ALARM, DECIDED TO BLOW FIRE BOTTLE DUE SOME SMOKEAug 12, 2012 · N596UA · Boeing 757222SDR UALA2012081304380Apu · smokeAPU AUTO SHUTDOWN AT GATE, SMOKE FROM TAILPIPE IMMEDIATELY AFTER SHUTDOWN. INSPECTED APU, FOUND DAMAGE TO FIBERGLASS SHROUD BELOW COMPRESSOR SCREEN. INSPECTED APU COMPARTMENT FOR DAMAGE, FOUND NONE, TAILPIPE WAS CLEAN, APU ACCESS DOORS CLOSE AND LATCH NORMALAug 10, 2012 · N210UA · Boeing 777222SDR SWIA201231522Apu · faultySTRONG CHEMICAL SMELL IN COCKPIT AND CABIN WHEN USING APU BLEED AIR. (FLT 6347) REPLACED APU ASSEMBLY IN REFERENCE TO EMB 120 AMM. P/N: 3800376-2 S/N OFF: P-443Aug 10, 2012 · N586SW · Emb EMB120ERSDR UALA2012080904332Apu · shutdownAPU FAULT, SHUTDOWN SMELLED HOT. APU AUTO SHUT DOWN SMELL HOT, NO ODOR NOTED BY MX IN CABIN. REPLACED APU.Aug 9, 2012 · N667UA · Boeing 767322SDR UALA2012080804307Apu · shutdownAPU AUTO SHUT DOWN AT DEPARTURE. ACCOMPLISHED BITE CHECK ON APUC. NO FAULT DATA ON ALL RUNS. "NO DATA" DISPLAYED ON ALL RUNS. TROUBLESHOT IAW MM 49-61-00-101 SECTION G4 OR FCU REF SSM. REPLACED APU PER MM. OPS AND LEAK CHECKED GOOD.Aug 8, 2012 · N665UA · Boeing 767322SDR REXA2012080401222Apu · malfunctionedFLIGHT 3727. CREW REPORTED POSSIBLE SMOKE IN CABIN. OBSERVED FLUID LEAKING OUT OF AFT EQUIPMENT BAY. PERFORMED SMOKE AND FUMES CHECK PER WORK SCOPE IN THE CABIN AND FLIGHT DECK. VERIFIED FUMES ORIGINATED FROM MALFUNCTIONING APU. CLEANED ECS DUCTING AND Aug 4, 2012 · N825AY · Cndair CL6002B19SDR UALA2012080204141Apu · inoperativeECAM MESSAGE, APU AUTO SHUTDOWN DISPLAYED ON UPPER ECAM SCREEN. WOULD NOT START. FLAP DID NOT OPEN. TRIED THREE TIMES, CREW ATTEMPTED SECOND START. AFTER EXT POWER WAS APPLIED, FLAP OPENED. OK TO CONTINUE.Aug 1, 2012 · N413UA · Airbus A320232SDR DXTA2012073005067Engine · contaminatedDISTINCTIVE EXHAUST ODOR NOTICED ABOUT 45MIN INTO CRUISE FLIGHT AT FL400. SMELL BECAME MORE NOTICEABLE AND STRONGER JUST AFTER ADJUSTING COCKPIT PAC TO WARMER TEMPERATURE. ALL ATTEMPTS TO ISOLATE PACS AND BLEEDS UNSUCCESSFUL. EACH PACK AND BLEED WERE TURNEDJul 28, 2012 · N904QS · Cessna 750SDR REXA2012072601190Apu · failedFLT 3771, CREW REPORTED A THICK HAZE IN THE CABIN AND AN ODOR. MAINTENANCE RAN ENGINES AND PACKS AND FOUND NO HAZE OR ODOR. APU WAS SLOW TO START AND EMITTED A HAZE AND ODOR. REMOVED AND REPLACED APU ASSY IAW AMM 49-10-00. OPS CHECKS GOOD.Jul 26, 2012 · N8718E · Cndair CL6002B19SDR MYWA07232012740Apu · shutdownAPU FAULT LIGHT, LIGHT ON APU HAD PROTECTIVE SHUTDOWN FAULT CODE 492-010-00. PERFORMED SUCCESSFUL APU START WITH GPU, NO CURRENT FAULTS. PERFORMED TROUBLESHOT IAW FIM 49-31-803. NO DISCREPANCIES NOTED, FAULT FOUND TO BE INTERMITTENT. APU OK FOR CONTINUED Jul 23, 2012 · N740EH · Boeing 7378DCSDR SWIA201231311Apu · malfunctionedSMOKE AND FLAMES WERE SEEN COMING FROM THE EXHAUST DUCT OF THE APU. (SERVICE) REPLACED THE APU. P/N ON 3800488-3, S/N OFF P-609Jul 21, 2012 · N941SW · Cndair CL6002B19SDR DXTA2012072305056Compressor · contaminatedDURING TAXI OUT, BOTH CREW MEMBERS NOTED LIGHT SMOKE FOLLOWED BY AN OIL ODOR. APU WAS SUPPLYING BLEED AIR FOR ECS AT THE TIME. APU WAS IMMEDIATELY SHUTDOWN, ECS SELECTED TO BOTH (ENGINES) POSITION ON PANEL CONDITIONS DID NOT IMPROVE. RETURNED TO RAMP, AND SJul 20, 2012 · N755QS · Gulstm 200SDR UALA2012071603832Apu · faultyAPU HAS A VERY LOUD HIGH PITCH SCREAM-WHISTLE WHEN ON. BLEED VALVE POSITION DOES NOT MATTER. APU EXTREMELY LOUD. INLET AND EXHAUST NO OBVIOUS DISCREPANCIES. BLEED ON OR OFF NO CHANGE. FOUND SMALL AMOUNT OF METAL ON MAIN DRAIN CHIP DETECTOR. REPLACED APU.Jul 15, 2012 · N435UA · Airbus A320232SDR UALA2012071603842Module · faultedAPU AUTO SHUT DOWN TWICE WITH FAULT LIGHT ON. APU ECU HAD 3 START ABORTED FAULTS, 1 REVERSE FLOW FAULT. CLEAR ECU FAULTS. AIRCRAFT WAS STARTING ENGINES IN A 40 MPH TAIL WIND. PULLED BACK TO GATE. AFTER CLEARING FAULTS APU STARTED NORMALLY. APU INLET DOOR ACTJul 13, 2012 · N544UA · Boeing 757222SDR HNAA2012071000846Apu · inoperativeAPU WILL NOT START. APU CAUTION LIGHT ILLUMINATED AND CHECK FIRE DETECT WARNING LIGHTS ILLUMINATED. BOTH LIGHTS EXTINGUISHED WHEN APU PANEL WAS SELECTED OFF. CREW NOTED BOTH DISC ARE STILL ON OUTSIDE OF AIRCRAFT TAIL. INSPECTED APU, NO DAMAGE NOTED, FUEL Jul 10, 2012 · N327EN · Dhav DHC8103SDR REXA2012063001041Apu · smokeON THE GROUND DURING A QUICK TURN GROUND CREW REPORTED SMOKE. LARGE AMOUNTS GREY AND WHITE IN COLOR. COCKPIT INDICATIONS APU DID NOT AUTO SHUTDOWN. EXTREME AMOUNT OF SMOKE EXITING APU EXHAUST. SMOKE NOTED IN CABIN AND COCKPIT POSSIBLY FROM WIND BLOWING SMOJun 30, 2012 · N8964E · Cndair CL6002B19SDR SWIA201231105Apu · faultySMOKE IN THE CABIN. (FLT 5447) REPLACED APU ASSEMBLY.Jun 23, 2012 · N584SW · Emb EMB120ER
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