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 AALA201610049012Control Valve · leakingAPU BLEED AIR ON, STRONG ODOR IN CABIN. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND OIL PRESENT UNDER SURGE CONTROL VALVE AND REPLACED THE APU PER TASK CARD 26L31049003. A SATISFACTORY LEAK AND OPERATIONAL CHECK WAS ACCOMPLISHED.SDR ASAA2016092618144Unknown · unknownREPORT OF APU HIGH JUMP OF CT5ATP. GROUNDED, YES. ON DEFERRAL.SDR YENA20160922850Apu · failedPRIOR TO OPERATING THE FLIGHT, THE APU AUTO-SHUTDOWN. THE PILOT REPORTED: APU FAILED AT GATE, HEAVY SMOKE IN CABIN AND OUTSIDE. EVACUATION CHECKLIST RUN. APU FIRE BOTTLE PRESSED. ACFT WAS CLEARED OF PASSENGERS WITHOUT INCIDENT. THE ACFT WAS THEN MOVED OFFSDR DALA2016092806947Apu · contaminatedCREW REPORTED AN ODOR IN THE CABIN WITH HAZE. MAINTENANCE FOUND APU CONTAMINATED. CLEANED APU INLET AND INSPECTED DOOR. INSPECTED AND FOUND OVERFLOW BOTTLE FULL AND DRIPPING HYDRAULIC FLUID. EMPTIED BOTTLE AND PERFORMED DUCT BURNOUT.SDR CALA2016092000666Controller · malfunctionedAFTER RT ENGINE GENERATOR DRIVE DISCONNECTED, APU NO START ON FIRST ATTEMPT, 2ND ATTEMPT STARTED AND RAN FOR ONE MINUTE THEN AUTO SHUTDOWN WITH EICAS MESASGE APU OIL QTY, T/865-15. DIVERTED MAINTENANCE CHECKD APU OIL IAW MM 12-13-04(301). FOUND APU OIL LEVELSDR AALA20160921008Apu · odorOIL ODOR REPORTED IN FLIGHT DECK WITH EITHER PACK RUNNING. AIRCRAFT WAS GROUNDED. MAINTENANCE REMOVED AND REPLACED APU IAW SIC49-94-11. APU AND ENGINES OPERATED. NO ODOR NOTED.SDR A6WA201644305Apu · smokeAPU AUTO SHUTDOWN. FOLLOWED BY SMOKE COMING FROM APU INTAKE.SDR GTIA2016090301583Apu · leakingMUSTY DIRTY SOCK ODOR, PACK 1 & APU ALREADY OFF. TURNED OFF NR 1 ENGINE BLEED, ODOR EVENTUALLY STOPPED. TROUBLESHOOTING CARRIED OUT IAW TSM 05-50-00-810-831-A. FOUND APU AND PACK 1 AT FAULT. APU R & R IAW AMM 49-11-11. PERFORMED OPS CHECK, LEAK CHECKS ALLSDR AALA201609069019Arm · malfunctionedAIRCRAFT WAS GROUNDED, OIL FUME ODOR FAINT DURING DESCENT AT LOW POWER SETTINGS. MAINTENANCE REPLACED APU IAW TASK CARD 33L3149001.SDR AALA201609069018Apu · contaminatedODOR IN COCKPIT CABIN WHEN RUNNING PACKS WITH APU. ALSO SMELLED THE ODOR DESCENDING BELOW 10,000. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND EVIDENCE OF OIL IN THE APU PLENEUM. MAINTENANCE REPLACED APU IAW JOB CARD 26L31049003 AND ACCOMPLISHED SATISFACTORY OSDR UIEA2016083000719Apu · leakingAPU OIL QTY MESSAGE ON STATUS PAGE. OIL FOUND IN TAIL PIPE. TRANSFERRED TO DMI; MDDR 69791 IAW MEL 49-11-01B, CAT B. REMOVED AND REPLACED APU IAW WORK CARD T1071 AMM 49-11-01.SDR FDEA201608283063Apu · smokeAPU OIL QTY STATUS MESSAGE FOLLOWED BY SMOKE IN THE COCKPIT. PERFORMED AIR CONDITIONING SYSTEM OIL CONTAMINATION REMOVAL IAW AMM 21-00-01-2, AND AMM 05-51-50-2. DID NOT NOTICE ANY SMOKE OR FUMES DURING ENGINE OPERATION AND TAXI. R & R THE APU, OPS AND LSDR IPXA2016083007665Shutoff Valve · faultyDIVERSION, EMERGENCY DECLARED. THE NR 1 IDG WAS DEFERRED ENROUTE, APU AUTO SHUTDOWN, DOWN TO 1 GENERATOR, DIVERTED. R & R GEARBOX PRESSURE SHUTOFF VALVE IAW AMM 49-26-13 AND LEAK CHECKED IAW 49-26-13-0401, NO LEAKS NOTED. APU RUNS NORMAL, NO OIL LEAKS NOTEDSDR AALA201608299001Apu · smokeAIRCRAFT WAS GROUNDED: THERE IS A LOT OF SMOKE FROM APU EXHAUST DURING SHUTDOWN. MAINTENANCE REPLACED THE APU IAW TASK CARD
26L31049003 AND ACCOMPLISHED A SATISFACTORY LEAK AND OPS CHECK.SDR AALA201608179002Seal · leakingFLIGHT CREW REPORTED DIRTY SOCK ODOR AT THE GATE WHILE COOLING DOWN THE AIRCRAFT WITHE THE APU. THE AIRCRAFT WAS GROUNDED. THE CREW EXITED THE AIRCRAFT AND MAINTENANCE DETERMINED THE APU WAS THE SOURCE OF THE ODOR DUE TO OIL LEAKING FROM THE TURBINE SEAL. SDR UIEA2016081800689Thermocouple · failedAPU ECU SHOWS EGT NR 2 CIRCUIT FAULT. REMOVED AND REPLACED EGT THERMOCOUPLE ON APU APPROX. 12 O'CLOCK POSITION IAW AMM 49-71-01 OPS AND LEAK CHECKED GOOD.SDR UIEA2016081800690Thermocouple · failedAPU ECU SHOWS EGT NR 2 CIRCUIT FAULT. REMOVED AND REPLACED EGT THERMOCOUPLE ON APU APROX. 3 O'CLOCK POSITION IAW AMM 49-71-01 OPS AND LEAK CHECKED GOOD.SDR QXEA2016081400537Apu · malfunctionedAPU FAILED TO START. FUEL DRIPPING AND STRONG FUEL ODOR. PERFORMED OPERATIONAL TEST OF APU IAW AMM 49-00-00-710-801 SEVERAL TIMES WITH NO DEFECTS. COULD NOT DUPLICATE. RETURNED TO SERVICE.SDR AALA201608169003O-Ring · leakingFLIGHT CREW REPORTED A DIRTY SOCK ODOR IN THE COCKPIT, FIRST CLASS & OVERWING AREAS OF THE AIRCRAFT WHILE WAITING FOR DEPARTURE AT THE GATE. MAINTENANCE FOUND EVIDENCE OF OIL LEAKING FROM THE APU TURBINE BEARING CAVITY AND REPLACED THE DEFECTTIVE O-RINGS PER ASDR SAJF2016082305038Apu · smokeBEFORE PUSH BACK, GROUND MAINTENANCE REPORTED FIRE AND SMOKE & INSTANT FLAME FOR A DURATION OF 1 SECOND TOGETHER WITH SURGE NOISE. NO FIRE WARNING MESSAGE, FLIGHT CREW CONFIRM WITH GROUND MAINTENANCE, USED THE APU FIRE EXTINGGUISER BOTTLE. CHECKED APU COMPASDR AALA201608119009Apu · leakingTHE FLIGHT CREW REPORTED A DIRTY SOCK ODOR WHILE THE AIRCRAFT WAS AT THE GATE DURING THE BOARDING PROCESS. THE ODOR STARTED IN THE COCKPIT AND WORKED IT'S WAY TO THE BACK OF THE AIRCRAFT. MAINTENANCE FOUND AN OIL LEAK IN THE APU COMPARTMENT, REPAIRED THE LEAKSDR AALA201608099004Apu · leakingF/A REPORTED A CABIN ODOR THROUGH OUT ENTIRE CABIN ON ENTERING THE ACFT AT THE GATE. AIRCRAFT WAS GROUNDED. MAINTENANCE HAS DETERMINED THE APU IS THE SOURCE OF THE ODOR. MAINTENANCE REPLACED APU IAW JOB CARD 26L31049005 AND ACCOMPLISHED SATISFACTORY OPS CHECSDR AALA201608099003Apu · leakingFLIGHT CREW REPORTED THAT AT THE GATE, ON ENTERING THE ACFT A STRONG CRAYON ODOR WAS NOTED, ALONG WITH A MILD BURNING OF THE EYES . THE CABIN CREW SHOWED UP 10 MINUTES LATER AND EXPERIENCE SAME ODOR IN CABIN. AIRCRAFT WAS GROUNDED. MAINTENANCE SUSPECTED THSDR UIEA2016080800673Apu · malfunctionedAPU FAILED TO START AFTER LAND. APU STARTED ON THIRD ATTEMPT IAW AMM 49-41-00.SDR HALA2016080400317Apu · failedWHILE ON THE GROUND AND BOARDING FOR NEXT FLIGHT, SMELLED ELECTRICAL SMOKE & HEARD 2 LOUD BANGS, AIRPLANE WENT DARK WHEN THE APU SHUTDOWN. VISUAL FLAMES NOTED FROM LINE SERVICE. REMOVED & REPLACED APU ASSEMBLY.SDR AALA201608049006Apu · leakingAIRCRAFT WAS GROUNDED: ON APU SHUTDOWN, SMOKE COMING FROM TAIL PIPE. MAINTENANCE FOUND OIL LEAKING FROM THE REAR MAIN BEARINGS INTO THE APU TAIL PIPE AND REPLACED THE APU IAW TASK CARD 26L31049003.SDR P5CA2016080100178Apu · inoperativeREF MDDR 68830, APU INOPERATIVE PERFORMED BITE TEST ON BPCU IAW AMM 24-20-001. OPS CHECK GOOD. CLEARED MDDR 68830 PLACARD. REMOVED APU OPS CHECK OK IAW AMM 49-00-00.SDR A6WA201644107Apu · seizedAPU LOW OIL PRESSURE CAUTION INFLIGHT FOLLOWED BY APU FAULT CAUTION MESSAGE, FOLLOWED BY APU AUTO SHUTDOWN. CHECKED APU ECU FAULT CODE HOT SHUTDOWN, 92. VERIFIED APU IS SEIZED AND WOULD NOT TURN REF 288966/3 FOR MEL.SDR UIEA2016071400583Apu · malfunctionedAPU DID NOT START ON ARRIVAL. COULD NOT DUPLICATE, OPS CHECKED IAW AMM 49-11-01 TASK 49-11-00-802-002.SDR AALA201607119004Apu · smokeREPORT OF SMOKE ON APU SHUTDOWN. AIRCRAFT GROUNDED. MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003.SDR HNAA2016071100211Contactor · inoperativeAPU GENERATOR WARNING LIGHT REMAINS ILLUMINATED AFTER APU SHUTDOWN. APU GENERATOR LOAD SHOWS HIGH, SUSPECT WELDED CONTACTOR. R & R APU START CONTACTOR. APU GENERATOR WARNING LIGHT NO LONGER ILLUMINATED. UNABLE TO OPS CHECK DUE TO APU FAILING TO START.SDR UIEA2016070500563Apu · shutdownAPU AUTO SHUTDOWN, APU FAULT EICAS TRANSFERRED TO MEL 49-11-01B, CAT B. REMOVED & REPLACED APU ASSY IAW AMM 49-11-01, OPS CKS NML.SDR QXEA2016070400443Engine · failedAPU AUTOSHUTDOWN, SMOKE BILLOWING FROM THE EXHAUST AFTER SHUTDOWN. APU PLACED ON MEL 49-00-1. AIRCRAFT RETURNED TO SERVICE.SDR AALA201606289006Apu · malfunctionedAIRCRAFT WAS GROUNDED: THE APU EXPERIENCED AN AUTO SHUTDOWN, RESULTING IN SMOKE IN THE CABIN. THE AFT 2 SLIDES WERE DEPLOYED ALONG WITH AN OVERWING EXIT SLIDE AND THE ACFT WAS EVACUATED. MAINTENANCE REPLACED THE APU PER TASK CARD 33L31549001 AND ACCOMPLISHESDR AALA201606209006Apu · leakingAIRCRAFT WAS GROUNDED, OILY ODOR IN CABIN WITH APU BLEED AIR ON. REPLACED APU IAW TASK CARD 26L31049003. A SATISFACTORY OPS CHECK WAS ACCOMPLISHED WITH NO ODORS BEING DETECTED.SDR AALA201606159001Apu · odorAIRCRAFT WAS GROUNDED: DURING THE PASSENGER BOARDING PROCESS IT WAS REPORTED THAT THE CABIN HAS A STRONG ODOR THAT SMELLS LIKE DIRTY SOCKS. ALL PASSENGERS AND FLIGHT CREW LEFT THE ACFT SAFELY AND THE ACFT WAS REMOVED FROM SERVICE. SEVERAL FLIGHT CREW MEMBERS SDR ASAA2016060716992Gearbox · failedAPU FAULT AT GATE. ACFT GROUNDED. REMOVED APU SN:P-11264, PN:3800702-1, REF AMM 49-11-00-000-803. INSTALLED APU SN:P-7045, PN:3800702-1, REF AMM 49-11-00-400-803.SDR GTIA2016060301466Apu · odorFUMES IN CABIN AND COCKPIT DIRTY SOCK ODOR. NO EXTERNAL LEAKS FOUND. R & R APU IAW AMM 49-11-11. OPS & LEAK CHECKS GOOD.SDR AALA20160613005Apu · leakingAIRCRAFT WAS GROUNDED. CREW REPORTED FUEL ODOR IN CABIN AFTER APU START. MAINTENANCE R & R THE APU IAW MCM 4996-82 AND 0056. OPS AND LEAK CHECKS NORMAL.SDR ASAA2016060116922Gearbox · failedWHILE SERVICING APU. FOUND AFT BEARING RETURN TUBE FRACTURED. ACFT GROUNDED. SIGMA SEAL REMOVED AND REPLACED IAW AMM 49-15-11-000-801 AND AMM 49-15-11-400-801. REMOVED APU IAW AMM 49-11-00-000-803. INSTALLED APU IAW AMM 49-11-00-400-803. LEAK AND OPS CHECK GOOSDR AALA20160601005Bearing · failedAIRCRAFT WAS GNDED. DURING INSPECTION OF APU FOR HIGH OIL CONSUMPTION IAW FIM 49-95-00 IT WAS NOTED THAT THE APU PRODUCES FLAMES OUT OF TAIL PIPE AT START UP. SUSPECT REAR TURBINE BEARING FAILURE. R & R APU IAW AMM 49-11-00.SDR DXTA2016052006243Apu · defectiveON GND, APU ONLY, ACFT FILLED WITH SMOKE. REMOVED DEFECTIVE APU & INSTALLED A REPAIRED CUSTOMER SUPPLIED APU. COMPLIED WITH APU OPERATIONAL CHECKS & LEAK CHECKS WITH GOOD RESULTS. ALL WORK DONE IAW MM 49-10-00 & MM 49-20-00. NO OTHER DEFECTS NOTED & PROGRASDR DXTA2016052006242Apu · smokeWHILE STARTING APU, CABIN IMMEDIATELY FILLED UP WITH THICK, ACRID SMOKE. REMOVED APU IAW MM 49-10-00. DRAINED REMOVED APU OF OIL. CLEANED APU CONTAINMENT BOX & FLUSHED DRAIN LINES. INSTALLED APU IAW MM 49-10-00. R&R CONDENSER SOCK, PN 83237-12, IAW MM 21-SDR ASMF2016072600007Engine · making metalDURING TRANSIT CHECK, THE APU SHUTDOWN SUDDENLY, THE APU FAIL LIGHT TURNED ON AND FAILURE CODE 49-94299. MAINTENANCE PERSONNEL PERFORMED FIM 49-90 TASK 809 PROCEDURE, REVISION TO CHIP DETECTOR IAW AMM 49-91-81-200-801, DETECTING SILVER COLOR PARTICLES, THIS COSDR F3LA2016052000047Apu · contaminatedREFERENCE LOG PAGE 1043522, DURING CLIMB OUT, THE CREW NOTICED AN OIL FUME SMELL IN COCKPIT & CABIN. THE ACFT RETURNED. MX DISCOVERED OIL SPILL AROUND APU AIR INLET & DUCT ASSEMBLY. CLEANED AREA OF OIL & PERFORMED LEAK CHECK. RAN NR ONE & TWO PACK WITH BLESDR SIMA20160517005Apu · leakingWHILE SITTING AT THE GATE WITH THE APU & PACKS RUNNING, WE GOT SMOKE IN THE CABIN. AFTER SHUTTING DOWN THE APU, THE SMOKE CLEARED. UPON INSPECTION OF APU, FOUND OIL LEAKING FROM EXHAUST. REF ITEM NR 3 BELOW THIS LOG PAGE FOR CORRECTIVE ACTION.SDR ASAA2016051316745Module · contaminatedENGINEERING REQUESTS APU REPLACEMENT DUE TO FINDINGS FROM LAST LUBE MODULE REPLACEMENT. DEBRIS PREVIOUSLY FOUND IN LUBE MODULE, DETERMINED TO BE M50 MATERIAL. NOT ASSOCIATED WITH LUBE MODULE. ACFT GROUNDED. REPLACED APU IAW TASK CARD 78349010, APU REMOVAL/INSDR AALA20160505009Seal · leakingAIRCRAFT WAS GNDED. BURNING OIL SMELL IN CABIN & COCKPIT WHEN PACKS ARE ON APU AIR ACCOMPANIED BY HAZE IN CABIN. FOUND APU INGESTING OIL. MAINTENANCE FOUND MAIN GENERATOR SEAL LEAKING AND REPLACED AUXILIARY POWER UNIT PER MCM CARD 49-96-01.SDR AALA201605029014Apu · leakingAIRCRAFT WAS GNDED. DIRTY SOCK SMELL IN DESCENT OUT OF FL 200. FOUND THE APU LEAKING OIL & REPLACED IT IAW TASK CARD 26L31049005.SDR DXTA2016042206229Apu · leakingSTRONG OIL SMELL FROM OVERHEAD WEMACS, SEEMED STRONGER IN COCKPIT. NOTICED PRIOR TO DESCENT FROM ALTITUDE. EVIDENCE OF OIL IN CABIN APU COMPRESSOR. REPLACED APU ASSEMBLY IAW MM CH 45-10-00. OPERATIONAL & LEAK CHECKED GOOD. INSTALLED 11, 647 HAS, 11, 595 C
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