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.
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
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 2008UALA00932Shutoff Valve · faultyAPU DOES NOT START. REPLACED APU SHUTOFF VALVE. OPS CHECK GOOD.SDR DL76G080250Apu · odorSTRONG OIL ODOR ENTIRE A/C W/PACKS RUNNING. INSP APU AND APU BLEED DUCT NO OIL FND. INSP PACKS BAYS NOTHING ABNORMAL. RAN PACKS INDEPENDENTLY TRYING TO DETERMINE WHICH HAD MORE SMELL. PERFORMED DUCT BURNOUT UP TO STEP 10 PER M/M 250083. REPLACED APU PER ASDR FDKA200802052Apu · contaminatedFDM 6017 ORD-CVG (1226 PHX LCL). RETURNED TO GATE DUE TO SMOKE IN CABIN AND FLIGHT DECK. PILOT REPORTS THAT DE-ICE WAS STARTED WITHOUT HIS KNOWLEDGE AND WAS NOT ABLE TO SHUT APU OR PACKS OFF IN TIME TO PREVENT INGESTION. MX PERFORMED OP CHECKS OF PACK SYSTESDR SIMA200803502Apu · icedON FLIGHT 4224, CREW REPORT APU FIRE INDICATION DID NOT USE FIRE BOTTLE. PERFORMED APU SHUT DOWN AND INDICATION WENT AWAY, ABNORMAL ODOR NOTED INSIDE CABIN AND FLIGHT DECK. AFTER INSPECTION FOUND APU INLET ALMOST COMPLETELY COVERED WITH ICE. NO PASSENGERS OSDR QXEA200800050Apu · smokePDX - FLIGHT 2496 - AT THE GATE BEFORE PUSHBACK, THE APU WAS STARTED, AND UPON SELECTING APU BLEED AIR THE CABIN FILLED WITH BLUE SMOKE. MAINTENANCE PLACED THE APU ON MEL 49-50-1. AIRCRAFT RETURNED TO SERVICE.SDR AMTA200800036Apu · oil consumptionDUE TO HISTORY OF APU USING EXCESSIVE OIL, APU IS CONSIDERED INOPERATIVE. APU OIL CONSUMPTION RATE 0.274 QTS PER HOUR, WITHIN THE ETOPS LIMIT IAW GMM CHAPTER 15, PAGE 18, OK FOR SERVICE. (K)SDR 08FDEA00259Apu · fireAT TOUCHDOWN, APU FIRE, AGENT AUTO FIRED. APU FIRE HANDLE PULLED. APU MASTER SWITCH OFF, APU NOT ON. UPON FURTHER INVESTIGATION, DISCOVERED EVIDENCE OF FIRE IN APU BAY. CONNECTOR P18 AT MONOPOLE ASSY IS MELTED/BURNED. NUMEROUS WIRE BUNDLES ON APU HARNESS SDR DL738080106Engine · contaminatedTAXI OUT FROM DEICE WITH APU BLEED OPEN AND LT ENG SHUTDOWN VISIBLE GREY SMOKE INTO COCKPIT. CLOSED APU BLEED AND SMOKE DISSIPATED. FOUND GLYCOL WAS SPRAYED INTO APU INTAKE. PACKS RAN, SMELL DISSIPATED. PACK CONTROLLERS HAD NO FAULTS.SDR ASAA0852489Apu · stoppedAPU STOPPED DURING DE-ICE ON GROUND. COULD NOT DUPLICATE. APU STARTED OK. CHECKED FOR GLYCOL IN INLET, NONE FOUND.SDR ASAA0852486Apu · shutdownAPU QUIT WHILE BEING DE ICED. SUSPECT GLYCOL INJESTION. RESTARTED AFTER APPROXIMATELY 5 MINUTES. RAN BOTH PACS CYCLED BETWEEN HOT AND COLD VERIFIED NO ODORS EXIST IN CABIN AND FLIGHT DECK. COMPLETED FIM 49 55 TASK 802. FOUND NO GLYCOL IN APU DUCTS, NO ODOSDR C2XA08TY009Apu · contaminatedTYS LAV SMOKE OCCURRED DURING CLIMBOUT IN THE LAV. CREW CHECKED LAV AREA, MESSAGE CLEARED AND RETURNED TO BLOCK. MAINTENANCE FOUND VERY HEAVY DEICING FLUID RUNNING DOWN THE APU INLET. MAINTENANCE RAN THE BLEEDS AND ENGINE BLEEDS. PERFORMED LAV SMOKE CHECKSSDR 2008UALA00220Apu · odorSMOKE CREW REST F-D DETECTED SMOKE IN THE FLIGHT DECK CREW REST COMPARTMENT. FOUND APU OIL SYSTEM DEFECTIVE & CAUSED CABIN OILY ODOR. REPLACED APU ASSY PER AMM49-11-01 PG401.
SDR AMTA200800014Apu · unserviceableAPU ON START OIL QTY FLLUXUATION, CHIP DETECTOR HAS DEBRIS AND OIL DRAINS FROM CHECK VALVE TO ZERO QTY. REPLACED APU IAW M57-49-02. APU OPS AND LEAK CHECKED GOOD. (K)SDR 2008UALA00218Eec · malfunctionedAPU WILL NOT START. SPEED SENSORS FAULTY DUE TO NORMAL OPERATIONS. REPLACED ENGINE CONTROL UNIT. FLIGHT CREW ACCOMPLISHED VERIFICATION FLIGHT AND SENT APPROPRIATE MESSAGE FOR NORMAL OPERATION OF THE APU. ACFT OK FOR SERVICE.SDR DL76L080034Apu · shutdownREPLACED APU DUE TO AUTO SHUT DOWN DUE TO LOW OIL PRESS AND WOULD NOT START AFTER SERVICING, SN OFF P2578, S/N ON P1078.SDR SIMA200801406Apu · smokeON FLIGHT 4610, CREW REPORTED BURNING ODOR/FUMES IN COCKPIT AND CABIN. AFTER LANDING, AIRCRAFT REMOVED FROM SERVICE. FOUND APU BLEED TO BE THE SOURCE OF BURNING ODOR, APU PLACED ON MEL 4901. REMOVED AND REPLACED APU IAW WC 49-800-05. OPS CHECK GOOD. NO DSDR 2008UALA00055Apu · shutdownCREW REPORT: APU SHUT DOWN DUE TO FAULT.
SDR 2007UALA05324Apu · flamed outAPU FLAMED OUT AND WOULD NOT RESTART.SDR CA080116018Starter · failed(CAN) WHILE DEPLANING PASSENGERS, AN OIL SMELL WAS NOTED IN THE CABIN ACCOMPANIED BY A FIRE WARNING. THE FIRE BOTTLES WERE DISCHARGED. THE ENGINE WAS REMOVED AND SENT FOR INVESTIGATION. INITIAL INSP INDICATES A MALFUNCTION OF THE STARTER MOTOR LEADING TO ACCESSDR 2007UALA05204Apu · malfunctionedAPU FAILED TO START AFTER SEVERAL ATTEMPTS. BIT BOX, FAULT NOTED LOP.SDR HALA0700526Ecu · failedETOPS SIGNIFICANT SYSTEM, APU FAILED AFTER PARKING. APU T/S PER FIM 49-11-00. REMOVED AND REPLACED ECU IAW AMM APU, OPS CHKD NML.SDR C2XA07TY072Apu · malfunctionedSMOKE SMELL IN COCKPIT. REMOVED AND REPLACED APU IAW EMB 145 MM 49-14-01. OPS AND LEAK CHECK GOOD. AIRCRAFT RELEASED AND RETURNED TO SERVICE.SDR DL757071568Bellmouth · crackedAPU AIR INTAKE PLENUM BELLMOUTH CRACKED. MODIFED BELLMOUTH PER SERVICE BULLETIN 757-49-0011.SDR HALA0700502Apu · malfunctionedETOPS SIGNIFICANT SYSTEM, APU FAILED TO START. FAULT LIGHT ILLUM AND EICAS MSG APU FAULT DISP ADDITIONAL START ATTEMPTS UNSUCCESSFUL. PERFORM BIT CHECK ON ECU. NO FAULTS NOTED. RUN APU OP CHECK NORMAL. NO DEFECTS NOTED. PER FIM 49-11-00.
SDR SIMA200733004Apu · failedEXPERIENCED SMOKE IN THE CABIN AND COCKPIT. IT OCCURRED AFTER A COUPLE OF MINUTES OF STARTING THE APU CREW TURNED ON NR 2 PACK AND CROSS BLEED OPEN. WITHIN 30 SECONDS SMOKE APPEARED IN THE CABIN AND COCKPIT. THE FO TURNED OFF THE PACK AND CROSS BLEED. SMOKSDR SIMA200732408Apu · failedEXPERIENCED SMOKE IN THE CABIN AND COCKPIT. IT OCCURRED AFTER A COUPLE OF MINUTES OF STARTING THE APU, TURNED ON NR 2 PACK AND CROSS BLEED OPEN. WITHIN 30 SECONDS SMOKE APPEARED IN THE CABIN AND COCKPIT. THE FO TURNED OFF THE PACK AND CROSS BLEED. SMOKE IMSDR FX7A200700006Apu · shutdownAPU SHUT DOWN AT TOP OF DESCENT.SDR GAIA07018OPApu · flamed outDURING CLIMBOUT, THE APU FLAMMED OUT AT FL 320. AND EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DEPARTURE. AN UNEVENTFUL LANDING WAS MADE. NOTE: NR 1 GENERATOR ON DMI. PERFORMED APU INSPECTION, NO DEFECTS NOTED. OPS CHECKED GOOD. AIRCRAFT RETURNESDR 2007UALA04347Ecu · shutdownAPU AUTO SHUTDOWN AT DEPARTURE TWICE. REPLACED HIGH OIL TEMP SENSOR AND DRAINED OIL TANK. REPLACED ECU SYSTEM OP CHECKED OK. REPLACED STARTER OP CHECK OK. FLT CREW ACCOMPLISHED VERIFICATION FLT AND SENT APPROPRIATE MESSAGE FOR NORMAL OPERATION OF THE APU. ASDR DL76G071373Engine · making metalFOUND APU MAIN CHIP DETECTOR FULL OF METEL. REMOVED/REPLACED REF AMM. OPS LEAK CHECK GOOD.SDR CA071128005Turbine Blades · separated(CAN) DURING AC B-CHECK, AIRFRAME APU COMPARTMENT IMPACT DAMAGE WAS OBSERVED CAUSED BY APPARENT TURBINE BLADE LIBERATION AND CASE FLANGE SEPARATION. THE APU HAD BEEN DECLARED INOPERATIVE BY THE OPERATOR SINCE OCTOBER 20 2007. MFG WILL CONTINUE INVESTIGATING SDR DL76G071372Engine · inoperativeAPU FAILED TO START SEVERAL TIMES. ECU FAULTS SHOW P2 TROUBLE SHOT BY TROUBLESHOOTING TEAM NEEDS UPPER HARNESS. REPLACED APU PER AMM.SDR 2007UALA04178Apu · making metalCREW REPORTS LOUD NOISE FROM AFT CABIN DURING FLT CONTROL CHECK. LOUD NOISE IN AFT CABIN COMES FROM DEMAND ON APU BLEED AIR SYSTEM WHEN STARTING ENGINES. REPLACED APU MASTER CHIP DETECTOR HAD SILVER CHUNKS. ROUTED SCREEN FOR CLEANING. NO BYPASS EXPERIENCEDSDR DL764071337Engine · inoperativeAIRCRAFT RESTRICED FROM ETOPS DUE TO HISTORY OF APU NOT STARTING. REPLACED APU AND STARTER PER MM. OPS CK. APU AND STARTER OPS NORMAL. SERVICED FLUID LEVELS TO FULL.SDR QXEA200701538Shutoff Valve · malfunctionedPDX - ON FLIGHT 2557, ON TAKEOFF RECEIVED A MASTER WARNING FOR SMOKE COMING FROM THE AFT LAVATORY. FLIGHT ATTENDANT NOTICED "HAZE" UPON OPENING LAV DOOR. AFTER A FEW MINUTES HAZE DISAPPEARED. RETURNED TO GATE. MAINTENANCE PERFORMED GVI OF ENGS NR 1, NR 2, SDR COMA0760588Apu · malfunctionedFLIGHT 5618 - FLAME REPORTED IN APU EXHAUST. REPLACED APU ASSEMBLY.SDR HALA0700411Ecu · failedETOPS SIGNIFICANT SYSTEM, FAULT LIGHT ILLUM AND EICAS MSG APU FAULT DISPLAYED SECOND ATTEMPT INDICATES HUNG START. ACCOMPLISHED APU ECU BITE. NO FAULTS NOTED. REMOVED AND REPLACED APU ECU PER AMM 49-61-05. STARTED APU SEVERAL TIMES ON GROUND. APU ECU NO FSDR DL76L071242Apu · making metalMETAL FOUND IN ON APU CHIP DETECTOR. REPLACED APU.SDR 2007UALA03599Seal · leakingAPU SMOKING UPON ARRIVAL INTO SFO AT GATE WITH OIL COMING OUT OF TAILPIPE. REPLACED APU. MANUFACTURER CHANGED EPOXY IN '06. UAL'S 1ST INCIDENT OCCURRED 12/23/06 AND HAS HAD 6 ADDITIONAL INCIDENTS SINCE. 4026 WAS THE 1ST SDR AND THE LAST OCCURRANCE. MANUFACTUSDR HALA0700360Exciter · failedATBH: APU FAILED TO START, FAULT LGT ILLUM. AND EICAS MSG APU FAULT DISPLAYED 4904554 012353 000819 001 02. DID BITE OF ECU PER FIM 49-11-00 SHOWS NO LIGHT. REPLACED IGNITER PLUG AND LEAD NO HELP. REPLACED EXCITER BOX WITH LOANER BOX FROM UAL. APU STARTS NSDR 2007UALA03470Engine · faultyCREW REPORTS APU AUTO SHUTDOWN WHILE AT THE GATE. AFTER TROUBLESHOOTING & DURING RESTART OF APU HAD A TAIL PIPE FIRE, SHUTDOWN APU.SDR DL76L071100Engine · unknownDURING TRANSIT TIME, APU FAULT. REPLACED APU PER M/M. LEAK CKS OK. APU-AIR GENERATOR, OPS OK. APU OK FOR SERVICE.SDR HALA0700345Engine · oil consumptionETOPS SIGNIFICANT SYSTEM, APU FAULT DID NOT START AFTER LANDING DUE TO OIL QTY 0. ADDED 3 PINTS OF OIL. NO LEAKS NOTED. FOUND "NO LIGHT OFF" FAULT ON ECU. REPLACED IGNITER PLUG PER FIM 49-11-00 AND M/M 74-21-2. OPS CK LEAK CK GOOD.SDR COMA0760525Apu · malfunctionedFLIGHT 5002 - APU OIL TEMP CAUTION RECEIVED EN ROUTE. DIVERTED TO SDF, LANDED WITHOUT INCIDENT. REMOVED AND REPLACED APU. NO FURTHER DEFECTS.SDR 2007UALA03151Apu · shutdownAPU AUTO SHUT DOWN AT DEPARTURE. 10-23-07 REPLACED APU PER MM 49-11-01. ACCOMPLISHED APU VERIFICATION FLIGHT. ACCEPTED BY FLT CREW AND RETURNED TO FULL ETOPS SERVICE.SDR UPS07650416Apu · malfunctionedINSPECTION TYPE:ETOP APU INOP, WILL NOT START DEFERRED PER MEL 49-11-1-0-2. INSTALLED NEW ECU, NO HELP. PLACARD INSTALLED. D356179 *SUPPLEMENTAL SDR* APU OPS CHECK IAW AMM 49-11-00 SATISFACTORY. DMI 356179 NOW CLOSED.SDR DL76L071050Engine · malfunctionedAPU AIR LOW DUCT PRESSURE--13 PSI. REMOVED AND REPLACED APU PER MM. RETURNED APU BLEED VALVE TO NORMAL.SDR 2007UALA03018Apu · oil consumptionAPU OIL CONSUMPTION ABOVE LIMIT. REPLACED GEARBOX SHUTOFF VALVE.SDR DXTA200702373Apu · smokeWHILE RUNNING APU ON THE GROUND WITH COCKPIT PAC ON HIGH GOT SMOKE IN COCKPIT. COCKPIT PAC SUPPLY TEMP ROSE RAPIDLY. COCKPIT PAC OIL RESEVOIR WAS CLEAR ON PREFLIGHT NOW BLACK. REPLACED COCKPIT PAC ACM & COALESCER SOCK OPS CK GOOD REF CE750 M/M 21-51-00.SDR DL777070985Engine · making metalAPU GEN WOULD NOT COME ONLINE TS PER FIM ALL APU CHIP DETECTORS HAVE LARGE AMOUNT OF METAL REPLACED APU PER MM GEN, OPS CKS OK.
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