JASC 4900

Service difficulty reports · 1,840

Reports filed under 4900 · Airborne Auxiliary Power Unit (APU) System, 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 = '4900'
  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 UALA2012080604191Apu · odorSMOKE ODOR IN COCKPIT, RETURNED TO FIELD. FLIGHT ATTENDANT REPORTED BOTH AFT LAV DETECTORS ALARMED. ODOR DISSIPATED AFTER LEVEL OFF AND THROTTLES RETARDED TO IDLE. LAV SMOKE DETECTORS STOPPED ALARMING AT THAT TIME. ODOR APPEARS TO BE COMING FROM VENTS. OPEAug 6, 2012 · N803UA · Airbus A319131SDR N6WA201208024Warning Light · inoperativeAPU AVAILABLE LIGHT NOT ILLUMINATING.Aug 2, 2012 · N173GJ · Cndair CL6002C10SDR ASAA2012081692733Apu · malfunctionedAPU FAULT LIGHT ILLUMINATED ON FIRST CSS START IAW MEL 49-99A AT FL 370, SECOND START SUCCESSFUL, AT FL 370. APU LOGGED RECENT FAULTS 49-61259, 49-61262, 4931016 AND 49-41010. FOR FAULTS 49-61259 AND 49-61262 ACCOMPLISHED FIM49-60-00-810-817. APU BITE CURRENAug 1, 2012 · N594AS · Boeing 737890SDR ASAA2012081592727Warning Light · false activationFAULT LIGHT DURING INFLT APU START. ( NOTE ) FL 380 TEMP -44C TEMP FLUCTUATED 800-820 DEGREES. PRIOR FAULT LIGHT ILLUMINATION. VERBAL FROM FLIGHT CREW WAS APU STARTED ON 2ND ATTEMPT ABOVE FL 290. RAN APU BITE FOUND MAINT MESSAGE 49-41010 NO ACCELARATION SAug 1, 2012 · N594AS · Boeing 737890SDR ASAA2012080192650Detector · inoperativeAPU DETECTOR INOPERATIVE LIGHT ON. REMOVED DEFECTIVE DETECTOR IAW AMM 26-15-01-400-802. GROUND VERIFICATION SUCCESSFUL. PERFORMED OPS CHECK IAW AMM 26-15-00. TESTED OK.Aug 1, 2012 · N568AS · Boeing 737890SDR UALA2012072403999Battery · weakAPU BATTERY FAILURE. STATUS ACTIVE DESCENT MODE DEPENDENT, APU BATTERY IS WEAK. DB- ELMS P310 ELECTRONICS UNIT MSG-2413047 ACTIVE DC MODE. REPLACED APU BATTERY PER MM, OPS CHECKED GOOD.Jul 20, 2012 · N214UA · Boeing 777222SDR ASAA2012070892509Apu · malfunctionedAPU WILL NOT CARRY PNEUMATIC LOAD. PERFORMED APU BITE IAW FIM 4960-TASK 801 APU FAULTED 49-31171, FCU DISAGREES WITH COMMAND. C/W FIM 49-31-00-810-808 THROUGH F(1)(E) 1, NO FAULTS FOUND.Jul 8, 2012 · N565AS · Boeing 737890SDR UALA2012071103718Apu · failedAPU FAIL STATUS MESSAGE. REPLACED APU, THE IGV ACTUATOR AND THE APUC. VERIFIED CORRECT SOFTWARE INSTALLED. BOTH MESSAGES CLEARED.Jul 7, 2012 · N780UA · Boeing 777222SDR DXTA2012061104994Apu · smokeWHILE ON THE GROUND, APU SMOKE FILLED CABIN ACCOMPANIED BY BURNING ODOR. R & R APU IAW MM 49-10-01. OPS & LEAK CHECKED GOOD.Jun 8, 2012 · N660QS · Cessna 560XLSDR ASAA2012063092447Apu · failedAPU, ATTEMPTED CSS AT FL380 AND FAULT LIGHT CAME ON AND WENT OUT 6 MIN AFTER SHUTDOWN START OK AT GATE ON ARRIVAL. APU BITE PROCEDURE PASSES ALL TESTS REF MM 49-61-00. C APU FAULT REVIEW LOGGED FAULT 49-41011 - NO FLAME SHUTDOWN FAULT. APU GROUND START IS Jun 3, 2012 · N519AS · Boeing 737890SDR ASAA2012062192404Generator · unknownDURING CSS APU WOULD NOT START. FAULT LIGHT ILLUMINATED. ACCOMPLISHED BITE TESET PER FIM TASK 49-60-00-810-801, SHOWED MAINTENANCE MESSAGE 49-41011. GROUND STARTED APU TWO TIMES, NO FAULT LIGHTS ILLUMINATED. OPS NORMAL. REPLACED APU FUEL FLOW DIVIDER SOLENJun 2, 2012 · N519AS · Boeing 737890SDR ASAA2012062592423Warning Light · false activationAPU FAULT LIGHT ILLUMINATED ON FIRST INFLIGHT START ATTEMPT. OPERATED APU ON GROUND MULTIPLE CYCLES NO LIGHT ILLUMINATION.Jun 2, 2012 · N519AS · Boeing 737890SDR ASAA12511599Apu · failedCSS FAILED WITH APU FAULT LIGHT. CSS INCOMPLETE DID NOT ATTEMPT THIRD START. ACFT GROUNDED. FAULT HISTORY: MSG 49-31016 MSG 49-41010 ( NO ACCELL SHUTDOWN). MSG 49-91005 (HIGH OIL PRESS) MSG49 91007 (LOW OIL PRESS). MESSAGES 49 31016 (OVERTEMP). 49-41010, 49-May 24, 2012 · N512AS · Boeing 737890SDR FDEA201205231935Unknown · smokeFIVE MINUTES AFTER NORMAL APU START & RUN, APU FAIL ALERT & AUTO SHUTDOWN TOOK PLACE. ONE MINUTE LATER, SMOKE & FUMES NOTICED FROM APU AREA. APU FIRE HANDLE PULLED & AGENT DISCHARGED. INSPECTED APU BAY FOR LEAKS AND OBVIOUS DAMAGE, NO DEFECTS NOTED REF MM May 23, 2012 · N303FE · Doug MD1030FSDR CA120509004Apu · fire(CAN) APU FIRE ON THE GROUND. FIRE REPORTED FROM TAIL, NO FIRE WARNING. CABIN FILLED WITH SMOKE. FLIGHT OPS AND INFLIGHT CREW MEMBERS WERE ON BOARD ACFT, AND WERE EVACUATED. APU BOTTLE HAD BEEN DISCHARGED, AND MAYDAY DECLARED TO GET IMMEDIATE FIRE RESPONSMay 6, 2012 · Boeing 7673Y0SDR ASAA12511517Apu · noisyPILOT REPORTED ON ENGINE START LOUD BANGING. NORMAL INDICATIONS IN FLIGHT DECK. ACFT GROUNDED. PERFORMED APU BITE TASK 49-61-00-700-801. FOUND FAULT CODE 49-94299. REPLACED STARTER GENERATOR FILTER ELEMENT IAW AMM 49-91-12. LEAK CHECKED GOOD FAULT CLEAREMay 4, 2012 · N592AS · Boeing 737890SDR ASAA12511469Sensor · malfunctionedAPU EGT HAS HISTORY OF INDICATING LOW AND ERRONEOUS. INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. R & R INLET TEMP SENOR REF AMM 49-61-31. OPS/BITE CHECKED GOOD REF AMM 49-61-00-700-801.Apr 29, 2012 · N560AS · Boeing 737890SDR UALA2012042702520Apu · malfunctionedAPU FAILED TWICE WHEN PNEU WAS IN USE. CHECKED CHIP DETECTORS ON APU, ALL GOOD. SERVICE WITH OIL. REPLACED APU BATTERY CHARGER IAW AMM, OPS CHECKED GOOD. RAN APU UNDER LOAD FOR 1 HALF HOUR RAN GOOD. APU AUTO SHUTDOWN AFTER OPERATING FOR 3 MINUTES. 5TH AUTO SHUApr 25, 2012 · N641UA · Boeing 767322SDR UALA2012032901980Unknown · malfunctionedAPU AUTO SHUTDOWN AT GATE BEFORE PUSHBACK. BITE OF BOX FAULTS LOW OIL PRESS SWITCH. REPLACED APU CONTROLLER, NO HELP.Mar 29, 2012 · N665UA · Boeing 767322SDR ASOA201200803Unknown · multiple failSTARTED APU AT 10K AFTER A COUPLE OF MINUTES, TRANSFERED THE BLEEDS TO APU. RECEIVED AN APU OVERTEMP FOLLOWED BY APU FIRE, FOLLOWED BY APU FIRE FAIL, RAN 1A1 CORD AND BLEW BOTTLE THEN RECEIVED APU FIRE EXTINGUISHING SYS FAULT. EMERGENCY DECLARED. R & R APU Mar 7, 2012 · N832AS · Cndair CL6002B19SDR DXTA2012030804908Apu · leakingSMOKE IN CABIN AFTER APU BLEED AIR TURNED ON. OPERATED APU AND BLEED AIR AND VERIFIED DISCREPANCY. NOTED AN OIL ODOR WHEN CABIN WAS FILLED WITH SMOKE. TURNED OFF APU. ACCESSED APU AND DISCONNECTED MAIN BLEED AIR LINE AND FOUND EVIDENCE OF OIL LEAKING INTERMar 7, 2012 · N688QS · Cessna 560XLSDR ASAA12511130Warning Light · illuminatedAPU "FAULT" LIGHT CAME ON DURING APU START ATTEMPT AT GATE. PERFORMED FIM 49-40-00-810-803 THRU STEP F (2)(D) APU TURNS FREELY. MESSAGE REPORTED WAS 49-41012, NO APU ROTATION. PERFORMED FIM TASK 49-40-00-810-803. FOUND NO DISCREPANCIES. PER STEP E.1.(A.15.Feb 20, 2012 · N557AS · Boeing 737890SDR HALA2012021800063Apu · faultedAPU DISPLAYED "APU FAULT" AND APU AUTO SHUTDOWN DURING A VERIFICATION FLIGHT. BITE CHECKED ECU, FOUND "AUTO SHUTDOWN GENERATOR FILTER" ACCOMPLISHED FIM 49-11-00 CHECKED GOOD, AS A PRECAUTION, REPLACED OIL PRESSSURE AND SCABENGE FILTER ALSO GENERATOR FILTER DFeb 18, 2012 · N585HA · Boeing 7673G5SDR USAA2012013100014Unknown · fireAS THE AIRCRAFT WAS IN LINE FOR TAKEOFF, THERE WAS REPORT OF AN APU FIRE FROM THE AIRCRAFT BEHIND US. THE APU HAD BEEN SHUT OFF FOR ABOUT 3 MINUTES. THE APU FIRE BOTTLE WAS DISCHARGED ALTHOUGH THERE WAS NEVER ANY FIRE INDICATION IN FLIGHT DECK. FIRE DEPARTMJan 30, 2012 · N625AW · Airbus A320231SDR UALA2012010900190Starter · failedAPU CONTROL STATUS MESSAGE ILLUMINATED. TROUBLESHOT APU CONTROL FAULT. SYSTEM SHOWED LATCHED FAULT AND ACTIVE WITH "ELECTRIC STARTER MOTOR BRUSH WEAR". REPLACED ELECTRIC STARTER PER MM, OPS GOOD. STARTED APU 3 TIMES WITH NO FAULTS AND MESSAGE NOT ACTIVE.Jan 8, 2012 · N228UA · Boeing 777222SDR A6WA201240011Apu · contaminatedSMOKE IN COCKPIT AND CABIN AFTER TAKEOFF, PRIOR TO FLAP RETRACTION, SECURED PACKS, SMOKE CLEARED. PACKS OPERATING OFF OF APU. FOUND APU COMPARTMENT FLOODED WITH TYPE 4 GLYCOHOL, CLEANED FLUID. INSPECTED ACFT, NO DAMAGE NOTED. PERFORMED PACK & DUCT CLEARINGJan 8, 2012 · N434AW · Cndair CL6002B19SDR UALA2012010300044Sensor · failedAPU STATUS MESSAGE CONTINUOUSLY DISPLAYED AFTER GROUND POWER LOSS. REPLACED APU NR 2 SPEED SENSOR PER MM. RAN APU, TRANSFERRED POWER BACK AND FORTH BETWEEN APU AND GROUND POWER. NO MESSAGE PRESENT.Dec 31, 2011 · N780UA · Boeing 777222SDR UALA2011122207057Actuator · malfunctionedAPU DOOR STATUS UPON APU SHUTDOWN. APUC REPLACED . REACTIVATED APU INLET DOOR ACTUATOR REF MEL 4915D. ACCOMPLISHED BITE CHECK ON APUC, NO FAULTS PRESENT. ACCOMPLISHED OPS CHECK OF ACTUATOR. STARTED APU, NO APU OR DOOR FAULTS ON EICAS.Dec 22, 2011 · N647UA · Boeing 767322SDR UALA2011122107048Charger · failed'BAT CHARGER APU' EICAS STATUS MESSAGE DISPLAYED. APU BATTERY CHARGER FAILED. REPLACED APU BATTERY AND BATTERY CHARGER.Dec 20, 2011 · N127UA · Boeing 747422SDR HALA2011122000603Warning Light · illuminatedETOPS SIGNIFICANT SYS - APU FAULT LIGHT ON AFTER APU START AND RUN LIGHT ON. APU SHUTDOWN WITH APU FAULT LIGHT ON AND EICAS MESSAGE. PERFORMED BITE TEST, STARTED NORMALLY, NO FAULTS, STARTED BOTH A/C ENGINES, NO FAULTS. APU OPS NORMAL IAW AMM 49-11-00-802.Dec 20, 2011 · N583HA · Boeing 76733ASDR CA120103018Apu · overheated(CAN) ON PUSH-BACK GROUND HANDLING REPORTED INDICATION OF FLAME/FIRE FROM APU. NO INDICATION IN FLIGHT DECK, BUT CREW SHUTDOWN APU AND ACTIVATED EXTINGUISHER. APU ASSY, PN: 3800488-3, SN: P-944.Dec 14, 2011 · Cndair CL6002B19SDR USAA2011121600005Apu · odorFLIGHT 9195, ODOR IN CABIN BELOW FL250, WHEN ENGINES AT IDLE DURING DESCENT, WOULD DISSIPATE WHEN ENGINES CAME BACK UP. APU WAS OFF, ENGINE BLEEDS ON. ON PREVIOUS FLIGHT 796 DURING DESCENT CABIN AND COCKPIT AIR QUALITY DIMINISHED WITH AN ODOR SIMILAR TO DIRTDec 14, 2011 · N279AY · Airbus A330243SDR CA111208002Apu · failed(CAN) ABOUT 10-15 MINUTES AFTER ARRIVAL THE RAMP CREW OBSERVED SMOKE OR STEAM COMING FROM THE APU AREA. FIRE DEPARTMENT WAS CALLED AND THEY OPENED THE APU COMPARTMENT TO INVESTIGATE. APU REPLACED, PNDec 7, 2011 · Airbus A320211SDR UALA2011120506640Apu · odorOIL ODOR FROM APU. REMOVED AND REPLACED APU IAW 49-11-01.Dec 2, 2011 · N174UA · Boeing 747422SDR HALA2011112000515Warning Message · false activationETOPS SIGNIFICANT SYS - APU ISOLATION VALVE STATUS MESSAGE. PERFORMED FIM 28-25-00/101, FIG 104, NO FAULTS NOTED, MESSAGE CLEARED OK FOR SERVICE.Nov 12, 2011 · N597HA · Boeing 767332SDR DXTA2011102804768Apu · odorON DESCENT AT ABOUT 25,000 FEET A STRONG ACRID SMELL WAS NOTICED PRIMARILY IN THE COCKPIT AND NOT THE CABIN. NO SMOKE WAS VISUALLY DETECTED. RAN APU AND ODOR WAS DETECTED. FOUND APU WAS JUST CHANGED 10-24-11 FOR OIL IN ECS SYS, SUSPECT DECONTAMINATION CHECKOct 27, 2011 · N236QS · Amd FALCON2000SDR HALA2011102500489Pump · damagedETOPS SIGNIFICANT SYS - CABIN FILLED WITH SMOKE NO EICAS MESSAGES. FOUND DAMAGED SHAFT DRIVEN AIR PUMP ON APU. R & R APU AND HAL M266-767 CHECKS NORMAL. NO LEAKS NOTED, REQUIRED INSP ITEMS COMPLETED.Oct 25, 2011 · N590HA · Boeing 7673CBSDR UALA2011101705609Hour Meter · inoperativeAPU OIL CONSUMPTION ABOVE LIMIT. RAN APU FOR 10 MINUTES NO LEAKS NOTED, APU FOUND CLEAN AFTER RAN. PERFORMED T-S PER AMM49-11-00 & RAN APU IAW JRH2-6-15- AFTER RAN NOTED APU HOURMETER INOPERATIVE. APU HOUR METER DEFECTIVE, CLICKS INTERNALLY AT 10TH HOUR BUTOct 16, 2011 · N647UA · Boeing 767322SDR HALA2011082100377Apu · malfunctionedETOPS SIGNIFICANT SYS - AFTER TURNING OFF THE LT PACK AT THE GATE APU AUTO SHUTDOWN NOTE: JUST BEFORE SHUTDOWN APU BLEED DUCT PRESSURE DROPPED TO APPROX 10 PSI. PERFORMED APU ECU BITE IAW FIM 49-11-00. FAULT MSG SHOWED REVERSE FLOW, RESTARTED APU AND NO DEFEAug 21, 2011 · N584HA · Boeing 7673G5SDR MYWA110090Unknown · malfunctionedETOPS SIGNIFICANT SYSTEM: APU DOES NOT START, NO APU INDICATION LIGHTS ON. PERFORMED APU BITE. TEST OK NO FAULTS FOUND IAW FIM 49-15 TASK 805 AND OPERATIONAL SYSTEM TEST OK IAW AMM 49-11-00.Aug 17, 2011 · N738MA · Boeing 7378Q8SDR HALA2011080900355Apu · malfunctionedETOPS SIGNIFICANT SYS - APU FAULT -APU WOULD NOT START. PERFORMED APU BITE PROCEDURE IAW FIM 49-11-00/101. BITE TEST COMPLETED WITH "NO DATA", WITH THE SWITCH TO FAULT LRU, ERASED MEMORY & RUN APU FOR 45 MINS. NO ACTIVE MSG FAULTED ON EICAS ACFT. OK FOR SVAug 9, 2011 · N587HA · Boeing 76733ASDR REXA201100532Exhaust Pipe · fireGROUND CREW OBSERVED BURNING FUEL IN APU EXHAUST AFTER POST FLIGHT SHUTDOWN. REPORTED TO ATC, LOCAL CFR DISPATCHED. CAPTAIN RE-STARTED APU THEN PERFORMED APU SHUTDOWN WITHOUT FURTHER INCIDENT. APU DIFFERED ON 08/11/11, REF TL -213273-2011, DEF-049091-2011 TAug 8, 2011 · N839AY · Cndair CL6002B19SDR 2011F00169Generator · leakingENTIRE ACFT REEKS OF OIL. MX FOUND APU GENERATOR LEAKING. R & R APU GENERATOR. F/A'S REPORTED A STRONG ODOR IN AFT GALLEY DURING CRUISE AT FL360. THE ODOR PERMEATED THE CABIN ON DESCENT & COULD ALSO BE SMELLED IN FLIGHT DECK BELOW 11,000'. ODOR WAS AN AMMAug 7, 2011 · N107US · Airbus A320214SDR USAA2011080500003Apu · odorFLIGHT 796, DESCENDING THROUGH 18,000 FT A VERY FOUL ODOR WAS DETECTED IN COCKPIT & CABIN (APPEARS TO BE COMING FROM THE AIR CONDITIONING SYSTEM). MAINTENANCE REPLACED THE APU ASSEMBLY.Aug 2, 2011 · N279AY · Airbus A330243SDR UALA2011072503806Battery · inoperativeSTATUS MESSAGE "BATTERY CHARGER APU" DISPLAYED. ACCOMPLISHED MEL 2431D, NOTIFIED TO DD. REPLACED APU BATTERY CHARGER, NO HELP. REPLACED APU BATTERY, OPS NORMAL.Jul 23, 2011 · N216UA · Boeing 777222SDR DXTA2011072204665Apu · odorSTRONG BURNED OIL ODOR IN COCKPIT AND SOMETIMES THE CABIN WHEN ON THE GROUND APU RUNNING. INSTALLED REPAIRED APU IAW MM 49-000. TESTED AND CHECKED GOOD.Jul 22, 2011 · N218QS · Amd FALCON2000SDR UALA2011070503328Apu · faultyAPU STARTED AND RAN NORMALLY FOR 3 MINUTES THEN QUIT AGAIN. CHIP DET AND OIL FILTER CHECKS GOOD. REPLACED APU PER AMM.Jul 4, 2011 · N550UA · Boeing 757222SDR HALA2011050200173Apu · malfunctionedETOPS SIGNIFICANT SYS - 2 UNSUCCESSFUL APU START ATTEMPS ON GRD AFTER LANDING. APU FAULT EICAS AND ANNUNCIATOR. PERFORMED APU ECU BITE CHECK FOUND OK. NO FAULT NOTED IAW AMM 49-11-00. PERFORMED APU START AND START WAS SUCCESSFUL ON 3RD ATTEMPT WITH NO FAULTMay 2, 2011 · N582HA · Boeing 76733ASDR USAA2011042591616Apu · odorFLT 18 - RANCID, FUEL ODOR REPORTED FROM PACKS WITH APU ON. NOTICEABLE ON GROUND AND IN CRUISE.Apr 23, 2011 · N654AW · Airbus A320232SDR DXTA2011041104541Control Panel · failedAPU FAULT PANEL APPEARS TO HAVE BURNT. FELT HOT TO THE TOUCH. REMOVED APU AND VISUALLY INSPECTED WIRING AND COMPONENTS, NO DEFECTS NOTED. DIDN'T DETECT ANY ELECTRICAL BURNED ODORS. REINSTALLED THE APU PANEL AND OPERATED APU FOR 30 MIN WITH ALL APU PANEL LIGHApr 7, 2011 · N897QS · Raythn HAWKER900XP
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