JASC 4920
Service difficulty reports · 2,430
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 UIEA2018091401971Unknown · malfunctionedUNABLE TO START APU EICAS "APU FAULT". SUSPECTED BAD STARTER MOTOR ON APU DUE TO RATTLING SOUND COMING FROM APU STARTER. R&R APU STARTER IAW AMM 49-41-01. NO HELP, APU STILL AUTO SHUTDOWNS DURING START.SDR DALA2018091705639Apu · leakingFUME EVENT IN CABIN. FOUND EVIDENCE OF CONTAMINATION DUE TO OIL LEAK INTO APU INLET EXTERNALLY. FOUND FUEL IN AFT APU DRAIN MAST. CLEANED APU INLET AREA. REMOVED AND REPLACED ACCESSORY COOLING FAN, FUEL CONTROL UNIT AND BOTH RECIRC FILTERS. FOUND FRESH OIL CONSDR UIEA2018090901926Unknown · malfunctionedAPU WONT START, MADE 3 ATTEMPTS. APU FAULT LIGHT AND EICAS MESSAGE DISPLAYED. PERFORMED APU BITE PROCEDURE IAW FIM 49-11 FT 950, NO FAULTS NOTED. OPS NORMAL.SDR UIEA2018090701911Apu · malfunctionedAPU FAIL AFTER RIGHT ENGINE START, UPON LANDING APU INDICATED NO OIL. SHOWED FULL ON DEPARTURE. REPLACED APU IAW AMM 49-11-01. OPS CHECK NORMAL.SDR DXTA2018090701390Apu · malfunctionedDURING PRE DEPARTURE CHECKS AND JUST PRIOR TO STARTING ENGINES, HARMONIC SOUND WAS COMING FROM APU. (WINDY COOL DAY AT KSFO). WHILE COMPLETING BEFORE 'ENGINE START CHECK' APU ABRUPTLY/INSTANTANEOUSLY SHUT DOWN. RPM WENT INSTANTLY TO 05 RPM NO EXCEEDANCE OR OTHSDR AALA201809079012Apu · odorTHE AIRCRAFT WAS GROUNDED. COCKPIT HAS VERY STRONG OIL-PACK ODOR. LASTED ENTIRE FLIGHT. CABIN REPORTS THE ODOR NOT AS STRONG, BUT WAS VERY NOTICEABLE ON TAKE OFF AND CLIMB. FOUND SOURCE OF ODOR TO BE APU. APU DUCTS NEED BURNOUT AFTER REPLACEMENT OF APU. REPLACSDR AALA201809079006Cooling Fan · odorCOCKPIT HAS A VERY STRONG OIL PACK ODOR, LASTED ENTIRE FLIGHT. CABIN REPORTS THE ODOR NOT AS STRONG, BUT WAS VERY NOTICABLE ON TAKE-OFF CLIMB. REPLACED APU COOLING FAN IAW 49-52-51 OPERATIONS AND LEAK CHECK GOOD.SDR ASAA2018090425992Apu · malfunctionedAPU CT5ATP TEMPERATURE CONTINUES TO BE ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU PER TASK CARD 7834910.SDR DALA2018090405419Apu · damagedCREW REPORT STRONG ODOR IN THE CABIN BEFORE PUSHBACK WHEN PACK SELECTED ON APU AIR. CUSTOMERS DEPLANED AND EQUIPMENT WAS SWAPPED. MTC FOUND OIL IN APU INLET AND FWD SIDE OF GEARBOX. APU HAS LOUD PITCH WHINE AND DAMAGED INLET SCREEN. SUSPECT INTERNAL DAMAGE TO SDR UIEA2018082701805Unknown · malfunctionedAPU WOULD NOT START AFTER 2 ATTEMPTS ON GROUND IN HNL. PERFORMED APU BITE CHECK IAW AMM 49-61-05 NO FAULTS FOUND, APU START SUCCESSFUL FIRST ATTEMPT. OPS CHECK GOOD.SDR AALA201808249007Apu · fireAFTER LANDING, THE APU AUTO-SHUTDOWN. ANOTHER START WAS ATTEMPTED. AN AIRCRAFT BEHIND REPORTED THERE WAS AN APU FIRE, AFTER WHICH THE CREW RECEIVED A FIRE WARNING IN THE COCKPIT. APU FIRE HANDLE WAS PULLED AND BOTTLE DISCHARGED. PERFORMED APU FIRE ON GROUSDR UIEA2018082101757Apu · shutdownAPU FAULT FIRST ATTEMPT AUTO SHUTDOWN, SECOND ATTEMPT SUCCESSFUL. PERFORMED APU BITE CHECK IAW FIM 49-11 FT 988, PERFORMED OPERATIONALTEST IAW AMM 49-11-00, OPS NORMAL.SDR UIEA2018082201768Plenum · contaminatedAT CRUISE, APPROX 5 MIN AFTER APU START A STRONG ODOR WAS DETECTED. AFTER APU SHUTDOWN THE ODOR DISSIPATED. IT CAME BACK DURING DESCENT AT APPROX 60,000, WITH L PACK OFF THE ODOR WAS LESS NOTICEABLE. PERFORMED FIM 21-00-21 LEFT PACK. FOUND NO TRACES OF OIL IN SDR REXA2018081650702Apu · seizedAPU AUTO SHUTDOWN WITH NO INDICATIONS OTHER THAN A BAD ODOR. R & R THE APU IAW 200-49-10-00. PERFORMED A LEAK CHECK AND OPS CHECK, BOTH CHECKS WERE GOOD. ACFT OK FOR SERVICE.SDR AALA2018080629022Apu · odorPRONOUNCED OIL ODOR DURING IDLE DESCENT AND LANDING. ENGINE BLEED AIR. RESIDUAL ODOR ON GROUND, BOTH APU AND ENGINE BLEED AIR. THE AIRCRAFT WAS GROUNDED. MAINTENANCE ISOLATED SOURCE TO APU IAW 26L00021001. MAINTENANCE ACCOMPLISHED 26L00021002 AND 26L00SDR ASAA2018080625667Apu · damagedCHECKED APU FOR OIL CONSUMPTION. ACFT GROUNDED. ACCOMPLISHED A BOROSCOPE INSPECTION OF INNER SURFACE OF APU TURBO EXHAUST DUCT. FOUND BURN OIL EVIDENCE IAW FIM 49-95, TASK 801-STEP A-D (1) (A). REPLACED THE APU IAW AMM 49-11-00.SDR VNAA2018073111101Apu · odorJUST AFTER PUSH BACK, THE CREW REPORTED AN ODOR IN THE CABIN THAT THEY BELIEVE WAS A BURNING SMELL. THE AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE DEFERRED THE AUXILIARY POWER UNIT. MX INSPECTED APU WIRING AND LOAD CONTROL VALVE, FOUNND NO DEFECTS. RAN APUSDR UIEA2018072901572Apu · malfunctionedAPU INOP. PERFORMED APU OPS TEST IAW AMM 49-11-00, NO DEFECTS NOTED NOTED NO FAULTS ON ECU BITE TEST IAW AMM 49-61-05.SDR AALA201807279029Apu · leakingAIRCRAFT WAS GROUNDED. PHL FLT 1889 EN-ROUTE PHL - MCI. AN UNUSUAL ODOR WAS NOTED IN THE AIRCRAFT CABIN SHORTLY AFTER TAKE-OFF. THE FLIGHT DECLARED AN EMERGENCY AND RETURNED TO PHL WITHOUT FURTHER INCIDENT. REPLACED APU ASSEMBLY PER J/C 43L35249001. OPERATISDR DALA2018072704728Apu · faultyWHEN APU BLEED VALVE WAS TURNED ON WE SMELLED SIGNIFICANT DIRTY GYM SOCK SMELL. THIS HAPPENED 3 TIMES DURING AIR SOURCE SWITCH OVER. SUSPECT APU SOURCE OF CONTAMINATION VERIFIED. R&R APU PER JOB CARD 4900-9901E AMM 49-11-01 PNEUMATIC DUCT STILL NEEDS CLEANING(SDR AALA2018072549032Generator · crackedSMOKE AND FUMES IN CABIN. HAD TO DEPLACE DUE TO FUMES. THE AIRCRAFT WAS GROUNDED. FOUND ISOLATED SOURCE OF ODOR TO BE THE APU. APU GENERATOR CRACKED AND LEAKING. REPLACED APU GENERATOR IAW AMM 49-24-00. NO LEAKS NOTED. OPS CHECKED NORMAL.SDR HALA2018072300335Solenoid · failedVERIFICATION FLIGHT FOR APU COMPLETED UNSATISFACTORILY. THREE ATTEMPTS AT FL 400 FAILED 30% RPM MAX FOLLOWED BY APU FAULT EICAS. REMOVED AND REPLACED THE DE-OIL SOLENOID VALVE IAW AMM 49-27-08-404-010. APU OPS & LEAK CHECKED GOOD. NO FAULTS.SDR HALA2018072300329Apu · defectiveETOPS SIGNIFICANT SYSTEM, THE APU INSTALLED IN THIS AIRCRAFT IS VERY WEAK, WITH UNUSUALLY SLOW STARTS, LOW MAX MOTORING AND HIGH EGT AT 34 DEG C OAT DUCT PRESSURE IS ONLY 15 PSI, WELL BELOW MIN REC FOR START. REMOVED & REPLACED APU PER M266-767. OPS & LEAK CHESDR SIMA2018072320004Apu · malfunctionedSMOKE IN COCKPIT/CABIN, PACKS ON APU BLEED, APU FAIL MSG. R&R APU IAW WC 49-800-05.SDR ASAA2018072325497Apu · shutdownAPU AUTO SHUT DOWN GROUNDED - YES. RE-STARTED APU AMM 49-40-00 STARTED UP NORMAL. A/C OK FOR SVC.SDR ASAA2018071625423Apu · malfunctionedON DESCENT STRONG CHEMICAL SMELL FLIGHT DECK AND BACK OF CABIN, TROUBLESHOT TURNED PACK 1 OFF - 5MIN SMELL DISSIPATED GROUNDED - YES. APU R&R ACCOMPLISHED IN WO 376194. ECS DECONTAMINATION ACCOMPLISHED IN RMA 2271. NO SMELL NOTED.SDR SIMA20180713002Apu · oil consumptionSMOKE IN COCKPIT/CABIN PACKS ON APU BLEED. APU FAIL MSG PRETESTED. C/W ETN-EM-72-034 AND FOUND APU OIL CONSUMPTION OUT OF LIMITS. REMOVED AND REPLACED APU IAW W/C 49-800-05.SDR AALA201807259009Apu · leakingTHE AIRCRAFT WAS GROUNDED. BAD ODOR THOUGH OUT AIRCRAFT. APU FOUND TO BE THE CAUSE. FOUND APU LEAKING FROM WITNESS DRAIN. REPLACED APU ASSEMBLY PER J/C 26L31049005.SDR P5CA2018072300131Apu · malfunctionedAPU FAULT DURING PUSHBACK/ENGINE START. INSTALLED AND TESTED SERVICEABLE APU IAW AMM REV 124 49-11-01 AND WORK CARD A-49-999-00-01. OPS CHECK GOOD.SDR AALA2018071619013O-Ring · leakingACFT HAD A DIRTY SOCK ODOR WITH THE APU AND PACKS RUNNING. THE AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED ODOR TROUBLESHOOTING CARDS 26L00021002, 26L00021001, AND DECON CARD 26L00021004. REPLACED APU MAIN INLET AND OUTLET PRESSURE FITTING O-RINGS IAW MSDR UIEA2018071101429Apu · inoperativeAPU INOP. THIS ITEM DEFERRED UNDER 49-11-01A, CAT "C". DUE DATE: 20JUL18.SDR GTIA2018071202740Apu · malfunctionedODD SMELL FROM ENTIRE CABIN (APU SYSTEM). R&R APU AS REQ IAW AMM 49-11-11, OPS & LEAAK CHECK GOOD. PACK BURN OUT STILL REQ.SDR WX0A2018071773351Apu · malfunctionedDIRTY SOCK SMELL REPORTER BY FA DURING FINAL APPROACH. FOUND LOAD COMPRESSOR PLUG BROKEN. R&R APU.SDR AALA201807099051Packing · damagedAIRCRAFT WAS GROUNDED. SHORTLY AFTER APU START EXPERIENCED A STRONG WET SOCK SMELL. PERFORMED J/C'S 26L00021001, 2600021002, 26L00021004. APU CREW FOUND THE APU TURBINE CAVITY VENT TUBES LEAKING OIL. REPLACED APU TURBINE CAVITY VENT TUBE PACKING PER MM 49-21-0SDR WX0A2018071073348Apu · malfunctionedMUSTY ODOR IN FLIGHT DECK DURING DESCENT. R&R APU AND PERFORMED ECS & PACK DECONTAMINATION.SDR DALA2018062804249Apu · failedDURING BOARDING, THE APU HAD AN AUTO SHUTDOWN, AN ODOR BEGAN TO FILL CABIN. PASSENGERS DEPLANED. MAINTENANCE DETERMINED APU HAD AN INTERNAL FAILURE WITH SMOKE COMING OUT OF THE INLET. MAINTENANCE PERFORMED FULL DUCT BURNOUT, REPLACED THE COALESER BAGS AND THSDR UIEA2018062701274Not Reported · malfunctionedAPU INOP. PERFORMED BITE PROCEDURES IAW AMM 49-11 FT 958, OPS CHECK GOOD AND NO FAULTS NOTED. DUCT PRESSURE NORMAL AND APU PNEUMATIC LOAD DEMAND GOOD. ENGINE RUNS SUCCESSFUL.SDR REXA2018062760538Apu · unknownAPU HAD AN UNCOMMANDED SHUTDOWN ON THE GROUND & DURING FLIGHT. NO ASSOCIATED CAUTIONS OR WARNING MESSAGES. VIBRATION FELT AT AROUND 90% RPM DURING START OF APU, JET FUEL ODOR IN THE COCKPIT AFTER SHUTDOWN DURING FLIGHT. OPS CHECKED THE APU WAS SATISFACTORY SDR UIEA2018062401228Apu · inoperativeAPU INOP. REMOVED AND REPLACED APU IAW AMM 49-11-01.SDR GTIA2018062532711Inlet · contaminatedDIRTY SOCKS ODOR. CLEANED HYD FLUID FROM THE APU INLET, PERFORMED AN OPS TEST OF CSAS IAW AMM 21-58-00. NO ODOR NOTED.SDR UIEA2018061901202Relay · faultyAPU INOP. PFM FIM TASK 49-11, NO DEFECTS NOTED. REMOVED AND REPLACED RELAY K442. FAULTY RELAY PER SWPM 20-22. OPS CHECK OK IN ALL MODES.SDR AALA201806229009Apu · leakingAIRCRAFT WAS GROUNDED. FLIGHT ATTENDANTS REPORTED ACRID AND STRONG PREVALENT ODOR IN CABIN WITH NR 1 ENGINE RUNNING/PACKS ON FOLLOWING HOOK UP TO START CART. AIRCRAFT NOT OK FOR FLIGHT. TROUBLESHOOTING PER TSM 49-00-00-810-846A AND ACCOMPLISHED J/C 26L00021001SDR DALA2018062004119Apu · failedUPON ARRIVAL AT GATE, AS PASSENGERS WERE DEPLANING , F/A NOTIFIED COCKPIT OF SMOKE AND FUMES IN THE CABIN. THE PASSENGERS CONTINUED TO EXIT NORMALLY. MIST SEEMED TO ORIGINATE FROM AFT CABIN AND WORK FORWARD. MAINTENANCE INSPECTED AND FOUND THE APU CAVITY OIL SSDR UIEA2018061901193Apu · shutdownAPU SHUTDOWN IN THE BLOCKS UPON PARKING AND DECENT. UPON FURTHER INVESTIGATION AND OPERATION PER AMM 49-21-00/01 OPS CHECK GOOD.SDR UIEA2018061901201Apu · malfunctionedAFTER LANDING/TAXI IN APU WOULD NOT START, APU FAULT EICAS, 2 ATTEMPTS. PERFORMED OPERATION TEST OF THE APU, OPS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME PER AMM 49-11-00-802.SDR UIEA2018061701170Filter · not reportedAPU AUTOSHUTDOWN MESSAGE GEN FILTER. REMOVED AND REPLACED APU GEN FILTER IAW AMM REF 49-27-03 & OPS CHECK NORMAL.SDR WX0A2018061273331Plenum · contaminatedFLT ATT REPORTED A DIRTY SOCK ODOR DURING APPROACH. FOUND OIL IN APU INLET PLENUM. ACCOMPLISHED DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM.SDR AALA2018061219055Plug · leakingFLIGHT ATTENDANT REPORTED AN ODOR IN THE CABIN. ACCOMPLISHED SMOKE ODOR FUMES TROUBLESHOOTING IAW J/C 26L00021001, AND SMOKE ODOR FUMES TROUBLESHOOTING IAW J/C 26L00021002. FOUND FACTORY LOCKED PLUG LEAKING. THE AIRCRAFT WAS GROUNDED. REPLACED THE APU IAWSDR WX0A2018061273333Apu · leakingDIRTY SOCK ODOR PRESENT DURING DESCENT. FOUND OIL INSIDE APU PLENUM, COMING FROM LOAD COMPRESSOR CAVITY. CLEANED THE PLENUM. REMOVED AND REPLACED THE APU.SDR UIEA2018060501037Bracket · not reportedAPU SHUTDOWN, WOULD NOT RESTART, WENT TO 48% AND SHUTDOWN. REMOVED AND REPLACED IGV ACTUATOR BRACKET IAW AMM 49-52-02. OPS CHECKED NORMAL,
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