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.
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
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 HALA2013072400093Tru · faultedVERIFICATION FLIGHT FOR APU COMPLETED UNSATISFACTORY, FAILED. EICAS APU FAULT. TROUBLESHOT IAW FIM 49-11-00-101, R & R TRU IAW 24-32-04-404-003 APU STARTED NORMAL OK FOR SERVICE.SDR UALA2013071905085Apu · odorSTRONG OIL ODOR IN AFT CABIN AND AND FWD 5 ROWS OF GALLEY. VERIFIED OIL OIL PRESENT WHILE RUNNING APU, WENT AWAY AFTER APU OFF. VERIFIED NO OIL ODOR PRESENT WHILE RUNNING PACKS OF GROUND AIR UNIT. THE APU BLEED VALVE INOPERATIVE "CLOSED". APU PNEUMATICS INSDR UIEA2013071700380Warning Message · false activationAPU ISOLATION VALVE STATUS MESSAGE. TESTED SYS IAW FIM 28-25 FAULT TREE 804 & TEST PASSED.SDR UALA2013071204878Warning Message · illuminated"APU CONTROL" STATUS MESSAGE DISPLAYED ON EICAS.SDR ASAA2013062795350Warning Light · false activationBLUE MAINTENANCE LIGHT ILLUMINATED AFTER APU START. ACFT GROUNDED. CDU SHOWS NO FAULTS OR FAULT HISTORY. OIL QTY = FULL. APU HAS NO HISTORY FOR THIRTY DAYS. UPON 2ND START APU OPS NORMAL WITH NO MAINT LIGHT ON.SDR UALA2013062504404Apu · odorVERY STRONG OIL ODOR IN ENTIRE CABIN WITH APU BLEED ON AND PACKS ON. REPLACED APU IAW AMM 49-11-01-401. OPS AND LEAK CHECKED NORMAL.SDR UIEA2013061800333Apu · malfunctionedAPU AUTO SHUTDOWN TWICE DURING PUSH BACK. PERFORMED BITE TEST CHECK ON APU CONTROLLER, INDICATES LOW OIL PRESSURE, CHECKED OIL QTY, CHECKS FULL.SDR UALA2013060503895Fluid · leakingCONSTANT DRIP ON FLUID COMING OUT OF APU DRAIN MAST. FLIGHT CREW REPORTING THAT FUEL WAS DRIPPING FROM DRAIN MAST WITH APU RUNNING. PLACARDED APU INOP. NO DAMAGE NOTED, NO LEAKS NOTED WITH APU OFF. ALSO HOC BEGAN AFTER FCU WAS REPLACED. REF: PTT SEQ 8742001.SDR ASAA2013052894922Warning Message · false indicationAPU MAINT LIGHT ILLUMINATED ON APU START. ACFT GROUNDED. PERFORMED APU BITE PROCEDURE. REF FIM 49-60 TASK 801. FOUND MX MESSAGE 49-91227. PERFORMED FIM 49-90, TASK 804, FAULT ISOLATION, STEP E. NO MX MESSAGE ON CURRENT STATUS PAGE. DETERMINED TO BE AN ISDR ASAA2013052094857Warning Light · false activationON APU START, MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE TEST REF 49-60 TASK 801, FOUND FAULT CODE 49-91227 LOGGED. VERIFIED OIL LEVEL IAW MM 12-13-31, NO FAULTS FOUND. ACCOMPLISHED FIM TASK 49-90 TASK 804 NO FAULTS NOTED, GROUND VERISDR HALA2013052000064Apu · unknownAPU AUTO SHUTDOWN ON START UP. PERFORMED OPS TEST OF THE APU IAW AMM 49-00-00-710-801. TESTED OK.SDR ASOA2013050903484Apu · odorFUEL ODOR IN FLT. OPS CHECK PACK IAW AMM 21-00-00. OPS CHECKED GOOD CLEAN OLD FUEL OF APU CLOSER 49-10-00.SDR ASAA2013050594714Warning Light · illuminatedINTERMITTENT APU MAINT LT ILLUMINATED- APU RUNNING PROVIDING POWER AND AIR. ACFT GROUNDED. PERFORMED BIT TEST IAW 49-60, TASK 801, REVIEWED HISTORY WITH MX CONTROL. FOUND CODE 49-72207, START 0. RAN APU FOR 30 MIN NO BLUE LIGHT. PG NOTE THIS IS CONSIDERED SDR DXTA2013050305368Apu · failedAFTER TAKEOFF, NOTICED A STRONG ODOR OF BURNING OIL IN THE CABIN. PASSENGER CONFIRM ODOR. SHUTDOWN THE APU (BLEED ON) AND ODOR CLEARED AND DID NOT RETURN DURNING LANDING AND TAXI. REMOVED APU IAW MM 49-10-00. SERVICED WITH OIL. COMPLIED WITH ENVIRONMENTAL CSDR ASAA2013041994550Apu · failedDURING PUSHBACK, APU FAILED. TROUBLESHOOTING, APU BITE TEST SHOWED NO CURRENT FAULTS, FAULT CODE 49-91007 WAS LOGGED IN FAULT HISTORY. APU STARTED AND OPERATED NORMALLY. INSPECTED MAG. DRAIN PLUG FOR PARTICLES IAW MM 49-11-01, NO DEFECTS NOTED. MANUALLYSDR UALA2013040902361Apu · malfunctionedBCL 1 FAULT, FLT DIVERTED. REPLACED APU.SDR ASAA2013040394336Unknown · unknownFIRST ATTEMPT FAILED AT FL 360 WITH FAULT LIGHT. SECOND ATTEMPT FAILED AT FL 340 WITH FAULT LIGHT. THIRD ATTEMPT PASSED AT FL 300 WITH NORMAL IND. FAULT LIGHT EXTINGUISHED FIRST TWO ATTEMPTS. BOTH HAD HIGH EGT. APU START GOOD ON GROUND WITH NO PROBLEMS.SDR ASAA2013040194317Indication Sys · malfunctionedBLUE MAINTENANCE LIGHT ILLUMINATED ON APU. MESSAGE 49-91227 LOW OIL QTY. VISUALLY CHECKED OIL QTY AT APU, FOUND FULL. PERFORMED FIM TASK 49-90-804. CLEARED FAULT. CURRENT STATUS SHOWS NO FAULTS FOUND. GROUND VERIFICATION SUCCESSFUL.SDR UIEA2013032500154Meter · inaccurateAPU CYCLE METER INACCURATE.SDR ASAA2013031494177Warning Light · false activationDURING APU START AT GATE, FAULT LIGHT ILLUMINATED. TURNED APU SWITCH OFF AND LIGHT WENT OUT. SECOND START WAS NORMAL. COMPLISHED APU BITE IAW FIM 49-60, TASK 801. CURRENT STATUS SHOWS NO FAULTS. FAULT HISTORY FOR PREVIOUS START SHOWS MX MESSAGE 49-41012, SDR UALA2013021200849Apu · malfunctionedAT DEPARTURE, CREW REPORTS SMOKE IN CABIN. FIRE DEPARTMENT FOUND NO HOT SPOTS. TROUBLESHOOTING SMOKE IN CABIN CAUSED BY APU, NEED TO REPLACE RECIRCULATION FILTERS.SDR UALA2013021100801Unknown · malfunctionedAPU NO START.SDR HNAA2013012800023Apu · smokeWITH APU BLEEDS TURNED ON, FLIGHT DECK FILLED WITH SMOKE. ALL OTHER APU INDICATIONS AND OPERATIONS NORMAL AT THIS TIME. VERIFY FUEL VALVE CLOSED. PULLED AND COLLARED CIRCUIT BREAKER N8 ON RT MAIN BUSS.SDR QXEA2013012500115Apu · odorBURNING ELECTRICAL OIL ODOR COMING FROM VENTS WITH APU RUNNING. BLEED AIR WAS SURGING DURING PROBLEM. AFTER SHUTDOWN OF APU, ODOR DISSIPATED AFTER APP 20-25 SECS.SDR UALA2013011700288Controller · faultyAPU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. STATUS -FAULTED LUBE CLUSTER. REPLACEED APU LUBE CLUSTER PER MM. REPLACED LUBE CLUSTER. REPLACED APU CONTROLLER. MESSAGE WENT AWAY. MESSAGE RETURNED AT NEXT APSDR UALA2013011600278Apu · faultyAPU APUC DETECTED FAULT THAT WOULD CAUSE AUTOMATIC SHUTDOWN OF APU IN UNATTENDED MODE OPERATION, OR COMPLETE LOSS OF APUC BUS ACTIVITY (BOTH L AND R 629) FOR 3 SECONDS AFTER THE APU MASTER CONTROL SWITCH HAS BEEN IN THE ON POSITION FOR TEN SECONDS.SDR DXTA2013011005241Apu · failedWITH APU ON AND BLEED AIR FOR APROX 10 MINUTES, COCKPIT FILLED WITH SMOKE, SMOKE STARTED IN THE COCKPIT AND MOVED BACK INTO THE CABIN. ALL THIS HAPPENED ON THE GROUND WITH MAIN CABIN DOOR OPEN. R & R THE APU IAW MM 49-10-00. OPS AND LEAK CHECKS GOOD.SDR HNAA2012122801135Apu · fireDISCHARGED, HAND OPERATED DRY FILM FIRE EXTINGUISHER, DUE TO SMALL FIRE IN APU BAY. INSPECTED APU BAY. FOUND NO DAMAGE FROM FIRE OR FIRE EXTINGUISHING AGENT. CLEANED APU COMPARTMENT IAW STANDARD PRACTICES.SDR ASAA2012122593542Apu · unknownAPU DID NOT START, FAULT LIGHT ILLUMUNATED ON GROUND. PERFORMED FIM TASK 49-31-808 STEP F, FAULT CORRECTED. STARTED APU 4 TIMES, OPERATED NORMAL.SDR ASAA2012121993504Apu · unknownAPU INOPERATIVE. PERFORMED BITE CHECK, FOUND MAINT MESSAGE 49-31014 APU OVERSPEED, ACCOMPLISHED FIM TASK 49-30 TASK 802. RESTARTED THE APU, NO DEFECT NOTED. RAN APU WITH FULL LOAD FOR 5 MINS. PERFORMED APU USUAL SHUTDOWN. PERFORMED BITE CHECK NO FAULT FOUNSDR DXTA2012121705206Apu · failedAFTER RUNNING APU TWO MINUTES, SMOKE STARTED TO FILL THE COCKPIT. REMOVED APU IAW AMM 49-10-00. INSTALLED SERVICEABLE APU IAW AMM 49-10-00. OPS CHECKED GOOD AND NO LEAKS DETECTED .SDR ASAA2012112493360Apu · odorAIR CONDITIONING HAS A UNPLEASENT ODOR. ACCOMPLISHED MM 49-16-11-200-801, REMOVED MIDDLE DRAIN LINE AND DRAIN LINE FROM APU LOAD COMPRESSOR CASE. FOUND OIL IN MIDDLE DRAIN BEFORE RUNNING APU, CLEANED DRAINS. RAN APU FOR MINIMUM OF 5 MINUTES FOUND OIL ACCUMULSDR ASAA2012111893316Apu · malfunctionedCSS INCOMPLETE WITH FAULT LIGHT, FIRST ATTEMPT, FL 370 -60C. FAULT LIGHT EXTINGUISHED AFTER 5 MINUTES. ATTEMPTED SECOND START FL 320 -55, AGAIN FAILED WITH FAULT LIGHT. NO THIRD START ATTEMPT MADE. APU BITE IAW FIM 49-60, TASK 801 SHOWED NO CURRENT FAULTSDR CALA2012111300796Apu · faultedWHILE SWITCHING FROM ENGINE BLEED TO APU BLEED IN PREPARATION FOR A BLEED OFF TAKEOFF, A THICK DARK SMOKE CAME OUT OF VENT SYS, PERFORMED APPROVED SMOKE IN COCKPIT/CABIN CHECK LIST. PERFORMED INSPECTION IAW AMM 05-51-26,FAULT WITH APU 49-94299, FAIL ATTEMPED SSDR UALA2012110806426Apu · malfunctionedNO APU DUCT PRESSURE. REPLACED APU ASSY, OPS TEST GOOD. NO LEAKS.SDR DXTA2012110705172Apu · odorWITH THE APU RUNNING AND THE AVIONICS ON, COCKPIT AND THEN CABIN FILLED WITH SMOKE. SMOKE APPEARED TO BE COMING FROM THE GLARE SHIELD AREA AND FILLED THE COCKPIT FIRST. IT WAS A WHITE SMOKE WITH A PLASTIC LIKE ODOR. R & R THE APU IAW MM 49-10-00. OPS & LEAKSDR DXTA2012110705171Apu · odorABOUT 30 MINUTES AFTER COMPLETE SHUTDOWN, APU WAS RE-STARTED AND BLEEDS WERE PLACED TO LOW. AIRCRAFT CABIN AND FLIGHTDECK STARTED TO FILL WITH SMOKE. OPERATED APU FOR ABOUT 30 MINUTES, NO DISCREPANCIES NOTED. ACCESSED AND REMOVED AND CLEANED WATER SEPARATOR SDR DXTA2012110505168Apu · odorAFTER DESCENT FROM ALTITUDE AND LEVELING BELOW 1500 FT, A FOUL ODOR IS EMITTED FROM THE VENT SYS. R & R APU DUE TO OIL FOUND IN INLET IAW ACFT MM 49-10-01-900-802. COMPLIED WITH OPS AND LEAK CHECK OF APU. NO DEFECTS NOTED REF MM 49-10-01-900-802.SDR ASAA2012110393249Apu · failedDURING MX TROUBLESHOOTING, CSS FAILED WITH FAULT LIGHT. R & R APU . ACCOMPLISHED APU START AND OPERATION IAW 49-11-00-860-801. NO LEAKS NOTED. APU OPS TESTED GOOD IAW AMM 49-11-00-701-801.SDR HNAA2012110201026Unknown · odorWHEN APU BLEED AIR IS ENGAGED A FUEL ODOR ENTERED THE CABIN.SDR DXTA2012101605149Apu · odorWITH APU RUNNING AND BLEED AIR ON, CABIN AND COCKPIT BEGAN FILLING WITH SMOKE. COMPLIED WITH BOROSCOPE INSPECTION OF THE APU INLET AND FOUND THE INSIDE FAN SEAL LEAKING. REMOVED AND INSTALLED APU IAW MM 49-10-00. AFTER REPLACEMENT OF APU REMOVED WATER SEPERASDR ASAA2012100593022Unknown · unknownAPU WILL NOT HOLD ELECTRICS ONLINE. PEFORMED BITE CK IAW FIM 49-31-00-810-808. NO FAILURES FOUND.SDR ASAA2012100192986Apu · malfunctionedAPU FAULT LIGHT ILLUMINATED, APU DID NOT START. APU BITE CHECK SHOWS MSG-49-41012 NO ROTATION SHUTDOWN. ACCOMPLISHED FIM TASK 49-40-00-810-803 . FROM APU BITE CHECK. STARTED APU NUMEROUS TIMES. FAULT DID NOT RETURN. NO HISTORY 60 DAYS.SDR CA120917017Apu · failed(CAN) DURING TAXI, THE ACFT HAD AN APU SHUTDOWN, WHICH WAS FOLLOWED BY A STRONG ELECTRICAL ODOR IN THE CABIN. THE ACFT RETURNED TO THE GATE. REPLACED APU IAW TASK CARD 2-249GT-01 AND 2-249GT-02 SERVICEABLE.SDR CA120914005Apu · failed(CAN) WHEN PILOTS ENTERED THE FLIGHT DECK TO BEGIN THEIR PRE-FLIGHT DEPARTURE CHECKS THEY WERE OVERWHELMED BY FUMES. THE BASE MANAGER, LINE OPERATIONS ELECTED TO TRANSPORT BOTH PILOTS TO THE HOSPITAL TO BE ASSESSED. FOLLOW UP WITH MAINTENANCE. WHEN THE CREW ASDR ASOA20120907075Unknown · smokeTHE CREW REPORTED AFTER APU START RECEIVED ARUAL WARNING UNIT 1 CHANNEL AND SMOKE BEGAN POURING OUT OF OPENING PLUS ABOVE FMS NR 2. THE ACFT WAS SHUTDOWN AND SMOKE STOPPED. MX INSPECTED AND PERFORMED OPS CHECKS OF BLEED SYS. OPS CHECKS WERE GOOD AND NO SMOKSDR ASAA2012092492952Apu · malfunctionedAPU HAS TEMP START ISSUES. ACFT GROUNDED. REPLACED APU IAW T/C 78349010, OPS CHECKED GOOD.SDR ASAA2012092192928Apu · malfunctionedAPU COLD SOAKED START FAILED FIRST ATTEMPT AT FL370 BECAUSE FAULT LIGHT CAME ON. SECOND ATTEMPT SUCCESSFUL. PERFORMED FIM TASK 49-60-00-810-801AND AMM 49-11-00-710-801. ALL TESTS PASSED. NO FAULTS INDICATED.SDR UALA2012083104895Mount · wornFORWARD LEFT APU MOUNT, O/B ATTACH EAR WORN ON THE INNER SIDE FROM CONTACT WITH THE WORN FWD SUPPORT ROD LOWER ROD END. REMOVED FASTENERS IN APU FIREWALL SKIN TO ACCESS FORWARD LEFT APU MOUNT. REMOVED MOUNT. INSTALLED MOUNT. OK TO INSTALL LEFT FORWARD MOUNSDR REXA0829201201303Duct · crackedAPU LOWER DUCT CRACKED. REMOVED AND REPLACED LOWER DUCT IAW AMM 49-14-10.
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