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 A6WA200340004Apu · malfunctionedSTRONG FUEL ODOR WHEN APU WAS START AND BLEED SWITCH OVER IN FLIGHT, CONTINUED UNTIL APU WAS SHUTDOWN. PLACED APU ON MEL. (M)SDR ASOA02644Control Valve · inoperativeFLT 4770 - DURING CRUISE FLIGHT FROM ILM-ATL, WHILE DESCENDING THROUGH 20,000 FEET AND AFTER RETARDING THE POWER TO 50 PERCENT N1, AN ODOR OF SMOKE OCCURRED IN THE COCKPIT. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE LOAD CONTROL SDR 2002UALA01866Apu · malfunctionedRETURNED TO FIELD UNDER AMBER ALERT DUE TO APU AUTO SHUTDOWN.SDR SWIA200211570Apu · malfunctionedAPU START WAS ABORTED DUE TO A HUNG START. UPON INSPECTION, FOUND SMOKE AND FIRED EXTINGUISHER BOTTLE. INSPECTED APU AREA, NO OBVIOUS DEFECTS NOTED. REMOVED AND REPLACED APU FIRE BOTTLE AS PER EMB MM 26-21-00. REMOVED AND REPLACED MAIN BATTERY IAW MM 24-32SDR ASOA02620Apu · malfunctionedFLT 4403 - DURING DESCENT INTO GRR, THE CAPTAIN REPORTED A STRONG FUEL SMELL DURING AND AFTER STARTING THE AUXILIARY POWER UNIT. THE AIRCRAFT LANDED SAFELY IN GRR. MAINTENANCE REMOVED AND REPLACED THE AUXILIARY POWER UNIT. OPERATIONAL AND LEAK CHECKS GOOD. SDR 000228Apu · failedAPU SHUTDOWN, SMOKE AND BURNING ODOR FILLED AFT CABIN. DEFERRED.SDR CA021108022Apu · failed(CAN) ON APPROACH, APU WAS STARTED AS NORMAL. SHORTLY AFTER START UP A VIBRATION WAS FELT THROUGHOUT THE AIRFRAME. AUTO SHUTDOWN OF THE APU OCCURRED,AS WELL AS A FIRE WARNING IN THE COCKPIT. APU FIRE QRC WAS ACCOMPLISHED WITH ASSOCIATED FIRE HANDLE PULLED AND SDR SWIA200211419Apu · smokeRT PACK BLOWS HOT AIR AND SETS OFF LAV SMOKE DETECTOR WITH PROMINENT PACK BURNING ODOR. RAN BOTH ENGINES WITH RT PACK ON. FOUND LAV SMOKE DETECTOR NOT GOING OFF. RAN APU WITH THE RT PACK ON. FOUND THAT THE APU BLEEDS SMOKE INTO THE CABIN. SUPPLEMENTAL REPSDR SWIA200211369Apu · malfunctionedAT THE GATE, THE APU AUTO SHUTDOWN, TWICE, WITH AN EGT SPIKE OF 990 DEGREES THE SECOND TIME. REMOVED AND REPLACED APU ASSEMBLY IAW RII 49-401 AND MM 49-10-00. OPS CHECK GOOD.SDR TSAA0249213Apu · failedJUST AFTER TAKEOFF THE APU OVERSPEED LIGHT CAME ON AND THE APU SHUTDOWN. THE AIRCRAFT RETURNED AND LANDED, WITH NO FURTHER INCIDENT. REPLACED THE APU ACCESSORY UNIT AND THE THREE SPEED SWITCH. GROUND OPS CHECK GOOD AND AN OVERWEIGHT LANDING CHECK WAS COMPLESDR MALA020575Engine#3 ENGINE WOULD NOT START AFTER APU SHUTDOWN. STARTED OPERATING AND IGNITION LIGHTS ILLUMINATED BUT NO ENGINE ROTATION NOTED. MAINTENANCE FOUND OIL BYPASS PIN EXTENDED, AND MAIN CHIP DETECTOR CONTAMINATED, CONDITION 3. INSTALLED #3 ENGINE FERRY KIT IAW TASK SDR MASA200200027Apu · fireUPON DESCENT INTO BTR, CAPTAIN ATTEMPTED TO START APU. EXPERIENCED 3 HUNG STARTS OF APU. AFTER THIRD START ATTEMPT, CAPTAIN EXPERIENCED AN APU FIRE WARNING MSG ON THE EICAS. A/C LANDED AT BTR WITHOUT INCIDENT. UPON INSPECTION AFTER LANDING, THERE WAS EVIDENCE SDR VNAA0209015Apu · deterioratedTHE CREW REPORTED A BURNING SMELL IN THE COCKPIT THAT SEEMS TO BE COMING FROM THE RIGHT HAND PACK. MAINTENANCE INSPECTED AND FOUND THAT THE APU WAS FAILING THE COMPRESSION CHECK. THE APU WAS THEN DEFERRED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.SDR AUS20020947Gearbox · contaminated(AUS) APU AUTO SHUTDOWN. INSPECTION FOUND CONTAMINATION ON THE GEARBOX MAGNETIC PLUG.SDR CA020821001Fitting · broken(CAN) FOUND COMBUSTOR DRAIN FITTING BROKEN ON TWO EXHAUST NOZZLE FAIRINGS DURING "C" CHECK. THIS HAS OCCURED TWICE ON TWO DIFFERENT AIRCRAFT. THE ENGINE SIDE WAS NOT SPECIFIED. INSPECTION OF THE INSIDE OF THE FAIRINGS SUGGESTS THAT UNDRAINED FUEL HAS PRODUCSDR AUS20020929Engine · failed(AUS) APU SUFFERED A CATASTROPHIC FAILURE DURING ENGINE START. SUSPECTCAUSED BY FATIGUE FAILURE OF IMPELLER OR FAILURE OF TURBINE BEARING.SDR AUS20020815Oil Cooler · failed(AUS) APU AUTO SHUTDOWN. APU OIL COOLER AND BYPASS VALVE CHANGED TO RECTIFY DEFECT.SDR C2XA02IA157Apu · leakingEWR - WHEN STARTING THE APU THE CREW NOTED THAT A FUEL SMELL WAS PRESENT IN THE COCKPIT. MAINTENANCE REMOVED AND REPLACED THE APU PERFORMED A OPERATIONAL CHECK AND A LEAK CHECK, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR AUS20020753Engine · failed(AUS) APU COULD NOT BE STARTED.SDR MEX2002238Engine · failedCREW REPORTED THE PRESENCE OF SMOKE IN CABIN DUE TO AN OIL LEAK IN THE LT A/C PACK. THE MAGNETIC CAP OF THE COOLING TURBINE HAD METAL CHIPS, A/C PACK WAS INOPERATIVE PER MEL. APU WAS REPLACED IAW MM, FOR LACK OF OIL AND LEAKAGE THROUG THE LOAD CONTROL VALVESDR AUS20020731Engine · failed(AUS) APU SHUTDOWN OCCURRED WITH LOW OIL PRESS' AND HIGH OIL TEMP' LIGHTS ILLUMINATED.SDR C2XA02CL152Apu · burnedMEM FLIGHT 4067 THE CREW REPORTED A APU FIRE INDICATION ON SHORT FINAL FOR 10 SECONDS. MAINTENANCE REPLACED THE APU. OPERATIONAL CHECKS WERE GOOD.SDR AUS20020666Engine · leaking(AUS) APU LEAKING OIL. OIL FUMES IN CABIN.SDR AUS20020603Engine · inoperative(AUS) APU INOPERATIVE. LIMITED INFORMATION PROVIDED.SDR AALA20020889Packing · leakingMEX - FLT 1156 - EN ROUTE MEX-DFW, NOTICED HEAVY SMOKE IN CABIN RIGHT AFTER TAKEOFF AT MEX. RAN CABIN FIRE AND SMOKE CHECKLIST, SMOKE DISSIPATED WHEN PACKS AND RECIRCULATION FAN TURNED OFF. RETURNED AND LANDED MEX WITHOUT INCIDENT. REPLACED PACKING AT APU MSDR AUS20020598Engine · failed(AUS) APU AUTO SHUTDOWN. LIMITED INFORMATION PROVIDED.SDR AUS20020594Engine · failed(AUS) APU FAILED TO START. REPLACING THE STARTER FAILED TO FIX THEPROBLEM.SDR AALA20020893Plug · damagedAUS - FLIGHT 1592 - EN ROUTE AUS-ORD, ON TAKEOFF AT AUS A RUBBER / INSULATION / ELECTRICAL ODOR WAS NOTED. IT INCREASED TO A VISIBLE HAZE IN THE CABIN. RETURNED AUS, HAZE DISSIPATED, LANDED AUS WITHOUT INCIDENT. REPLACED APU OIL DRAIN PLUG, LEFT AND RIGHT ASDR AUS20020549Engine · contaminated(AUS) APU LOAD COMPRESSOR PLENUM AND APU BLEED CONTROL VALVE PLUMBING CONTAMINATED WITH OIL.SDR SWIA200210938Case · crackedAPU AUTO SHUTDOWN ON GROUND. OIL OBSERVED UNDER THE TAIL. REPLACED APU WITH SERVICEABLE UNIT DUE TO CRACKED CASE. NEW APU ASSEMBLY OPS AND LEAK CHECKS NORMAL. INSTALLED IAW CRJ MM 49-10-00.SDR AALA20020761Apu · leaking(APU) EN ROUTE, AFTER TAKE OFF CABIN FILLED WITH A HAZE. FLIGHT ATTENDANT IN REAR REPORTED IT WAS DIFFICULT TO SEE FROM REAR TO FRONT OF CABIN. LANDED WITHOUT INCIDENT. REPLACED APU ASSEMBLY DUE TO LEAKING AT INTAKE. ACCOMPLISHED PACK BURN. SYSTEM GROUND SDR HALA0200111Apu · failedETOPS SIGNIFICANT SYSTEM: APU FAILED TO START IN AIR. OAT-52, FL 360. APU EGT REACHED 594 DEGREES AND ONLY 8 RPM. THEN ADD OIL LIGHT AND APU FAULT. VISUALLY CHECKED APU OIL QUANITY. OIL LEVEL WAS FULL, NO OIL ADDED. PERFORMED BITE CHECK OF APU ECU PER 7SDR C2XA02IA112Apu · leakingAMA- THE CREW NOTED THAT AN ELECTRICAL SMELL WAS PRESENT IN THE CABIN/COCKPIT WHILE THE APU IS RUNNING, WITH THE APU BLEED SELECTED OFF. MAINTENANCE REMOVED AND REPLACED THE APU, PERFORMED A OPERATIONAL CHECK AND A LEAK CHECK, NO DEFECTS NOTED AND THE AIRCRASDR DL76S020544Apu · malfunctionedAFTER APU WENT TO RUN, APU ANNUNCIATED FAULT AND SHUT DOWN (ACCOMPANIED BY ACRID SMELL MOMENTS LATER). RESET APU ECU, RAN APU UNDER LOAD NO FAULTS.SDR ZW0A02049101ApuBURNING SMELL IN CABIN DURING CRUISE CAUSED BY INGESTION OF SKYDROL INTO APU. REMOVED AND REPLACED APU. LAST CHECK C PERFORMED IN STL 09/08/01 -- CLOSED--SDR AWXA200200391Apu · leakingPHX - TAILPIPE FIRE - WHEN AUXILIARY POWER UNIT (APU) WAS SHUTDOWN AN APU TAILPIPE FIRE WAS NOTICED FROM THE GROUND. MAINTENANCE REMOVED AND REPLACED THE APU IAW T/C R6D49301, LEAK AND OPERATIONAL CHECK WAS GOOD.SDR QXEA02002539Apu · malfunctionedBIL- WHEN ENTERING AIRCRAFT IT WAS FULL OF SMOKE AND THE LAVATORY SMOKE ALARM WAS GOING OFF. APU WAS RUNNING, BOTH DUCT TEMPS IN GREEN ARC. REPLACED APU. GROUND RAN APU, NO LEAKS NOTED. ALL INDICATION NORMAL DURING RUN. AIRCRAFT RETURNED TO SERVICE.SDR 2002UALA00631Turbine Wheel · failedAPU HAD A COMPLETE FAILURE AFTER NORMAL START. COMPRESSOR CASE SPLIT. FOUND TURBINE WHEEL FAILED. REPLACED APU AND MUFFLER.SDR ZW0A0203701ApuSMOKE IN CABIN FROM AIR CONDITIONING. REMOVED AND REPLACED APU. LAST CHECK C PERFORMED 23AUG2001 MCI --CLOSED--SDR C2XA02IA062Apu · leakingCLE- AFTER STARTING THE APU AT THE GATE THE CREW NOTED A FUEL SMELL IN THE CABIN. CLE- MAINTENANCE INSPECTED THE APU, AND, THE AIRCRAFT WAS RELEASED IAW MEL. BNA- MAINTENANCE REMOVED AND REPLACED THE APU,PERFORMED A OPERATIONAL CHECK, NO DEFECTS NOTED,ANDSDR COOSDR020042Flange · crackedAPU TURBINE ASSEMBLY EXHAUST FLANGE CRACKED.SDR C2XA02CL054Check Valve · stickingCLE FLIGHT# 3020 THE CREW REPORTED A STRONG FUEL SMELL WHEN THE APU WAS STARTED ON THE GROUND.MAINTENANCE INSPECTED AND REPLACED THE APU COMBUSTION DRAIN CHECK VALVE.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SERVICE.SDR C2XA02CL053Check Valve · stickingCLE FLIGHT# 3157 THE CREW REPORTED A STRONG FUEL SMELL IN THE COCKPIT AND CABIN AFTER APU START.MAINTENANCE INSPECTED AND STRAIGHTENED A KINKED DRAIN HOSE AND REPLACED THE COMBUSTOR DRAIN CHECK VALVE.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SSDR AT0200006Apu · faultyBOTH AFT LAVATORY SMOKE DETECTORS GOING OFF, OILY SMOKEY SMELL IN CABIN. REMOVED AND REPLACED AUXILIARY POWER UNIT.SDR DL72S020133Apu · malfunctionedON APU SHUTDOWN FOUND APU EXHAUST FIRE OVER RIGHT WING COULD NOT PUT OUT HAD TO CALL FIRE DEPT TO PUT OUT FIRE. ALSO, FIRE BLISTERED WING TO FUSELAGE PANEL ABOVE APU EXHAUST ON FUSELAGE. FOUND APU BAD, REPLACED SAME.SDR DL72S020128Apu · leakingAFTER TAKEOFF, SMOKE WAS NOTICED IN THE CABIN. REPLACED APU FOR LEAKING OIL.SDR AUS20020066Apu · leaking(AUS) APU LEAKING FUEL FROM DRAIN MAST.SDR ZW0A0201202Apu · malfunctionedHEAVY OILY SMELL REPORTED FROM THE LEFT AIR CONDITIONING SYSTEM ON TAKEOFF AND DESCENT BELOW 5000 FEET. ACCOMPLISHED CHECKS AND RESULTS NEGATIVE. RECIRCULATION SYSTEM FILTERS WERE CLEAN. ACCOMPLISHED PACK BURN OUT. AIRCRAFT FERRIED TO STL FOR FURTHER WORK.SDR USAAF01089Apu · malfunctionedABE-PIT - FLT 1660 - AFTER TAKEOFF, THE APU FAULTED WITH THE RIGHT ENGINE GENERATOR ON MEL. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE IDG AND PLACED THE APU ON MEL. (M)SDR DL73K011956Apu · failedDURING TAXI OUT, APU DROPPED OFF LINE. TOWER CONFIRMED SMOKE AND FLAME COMING FROM APU AREA. CREW ACCOMPLISHED APU FIRE CHECKLIST. REPLACED APU AND APU FIRE BOTTLE.
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