JASC 4920
Service difficulty reports · 2,432
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 CA000621034Apu · fire(CAN) DURING TAXI , CREW WAS ADVISED OF FIRE AND SMOKE ON RT SIDE OF THE AIRCRAFT, NR 3 ENGINE SHUT DOWN , BUT REALIZED THAT THE FIRE WAS COMING FROM THE APU TAIL PIPE. APU SHUT DOWN. CREW REPORTED THAT THEY HAD NO PROBLEM WHEN THEY STARTED THE APU FEW MINUTESSDR QXEA0001337Apu · malfunctionedPDX - AFTER TAKEOFF, THE LEFT LAVATORY SMOKE ALARM SOUNDED. FLIGHT ATTENDANTS REPORTED THE SMELL OF OIL. REMOVED AND REPLACED APU. FUNCTIONAL AND OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR USAASB00135Apu · overspeedCHA - FLT 657 - EN ROUTE FROM CLT TO DFW, AT FL350, THE APU OVERSPEED LIGHT ILLUMINATED FOLLOWED BY AN AUTO SHUTDOWN. APU WAS POWERING THE NR 1 GENERATOR BUS DUE TO A MEL ON THE NR 1 ENGINE CSD FOR LEAKING. JUST PRIOR TO OVERSPPED, CREW OBSERVED APU GENERATOSDR USAASB00136Combustion Liner · failedJAX - FLT 2612 - FLIGHT WAS EN ROUTE FROM BWI TO TPA WITH THE NR 1 GENERATOR ON MEL, WHEN THE APU SHUT DOWN. CREW ACCOMPLISHED QUICK REFERENCE HANDBOOK PROCEDURES AND DIVERTED TO THE NEAREST SUITABLE AIRPORT AT JAX. FLIGHT LANDED WITHOUT FURTHER INCIDENT. SDR 2000UALA00201Apu · contaminatedRETURNED TO DEN UNDER AMBER ALERT DUE TO SMOKE IN THE CABIN AND COCKPIT. *S/D* APU HAD MASSIVE COOLING FAN FAILURE, METAL IN THE SYSTEM. OIL WAS SUCKED INTO THE APU INLET PLENUM THROUGH THE COOLING FAN DUCT CAUSING THE SMOKE IN THE CABIN. THE APU WILL BE DSDR 2000UALA00196Apu · contaminatedAFT LAV SMOKE DETECTOR WENT OFF CLIMBING OUT OF DEN. SMOKE HAZE IN CABIN, RETURNED TO DENVER. *S/D* APU HAD MASSIVE COOLING FAN FAILURE, METAL IN THE SYSTEM. OIL WAS SUCKED INTO THE APU INLET PLENUM THROUGH THE COOLING FAN DUCT CAUSING THE SMOKE IN THE CABSDR CA000410004Apu · failed(CAN) APPROX 15 MINS PRIOR TO DEPARTURE APU FAILED AND COMPONENTS WERE OBSERVED EXITING TAILPIPE. APU NOT UNDER LOAD AT TIME OF FAILURE. APU AND TAILPIPE REPLACED.SDR 20000505AP031Compressor Wheel · failedAPU SHUTDOWN. OIL SMELL IN THE CABIN FROM THE APU BLEED. LOW OIL PRESSURE LIGHT FLICKERED ON AND A LOUD CLATTERING NOISE WAS HEARD DURING SHUTDOWN. FOUND DAMAGE TO THE TAILCONE. THE DAMAGE WAS REPAIRED, THE APU WAS REPLACED. COMPRESSOR ROTOR IN THE APU FASDR COMA0060256Apu · malfunctionedTOILET SMOKE CAUTION MESSAGE. FOUND SMOKE SOURCE TO BE THE APU. DEFERRED APU PER MEL.SDR USAASB00063Apu · overspeedBHM - FLT 572 - FLIGHT DEPARTED IAH WITH THE NR 1 GENERATOR ON MEL AND HAVING THE REQUIREMENT FOR THE USE OF THE APU FOR EN ROUTE OPERATION. WHILE EN ROUTE TO CLT, THE APU SHUTDOWN DUE TO OVERSPEED AND FORCED THE FLIGHT TO LAND AT THE NEAREST SUITABLE AIRPORTSDR 0000813211Turbine Case · puncturedDURING MAIN ENGINE START, APU SHUT DOWN.. MAINTENANCE FOUND A HOLE IN APU COMPRESSOR CASE, NO AC DAMAGE NOTED. REPLACED THE APU. CHECKED OK.SDR AU000192Apu · failed(AUS) APU FAILED TO START IN FLIGHT. TWO STARTS WERE ATTEMPTED DURING THE FLIGHT.SDR VJ1R2000002Turbine Wheel · failedTURBINE WHEEL FAILURE. TURBINE WHEEL, P/N M167222-1, S/N V16-H329N. TSN: 661.9 HOURS. CSN: 2,311. SUBMITTER STATED THIS TURBINE WHEEL INSTALLED IN THIS APU 5-9-97. (X)SDR RAIA0001025Apu · failed6255-BOS- CREW REPORTED SMOKE IN THE CABIN DURING TAXI. MAINTENANCE INSPECTED, DETERMINED APU AS CAUSE AND DEFERRED APU PER MEL. MAINTENANCE REPLACED AUXILIARY POWER UNIT.SDR COMA0060087Apu · malfunctionedAPU LOST OIL PRESSURE AND AUTO SHUTDOWN. SECURED AND DEFERRED MAINTENANCE PER MEL.SDR CALA9901739Apu · failedTHE APU FIRE WARNING LIGHT ILLUMINATED AFTER STARTING APU ON APPROACH TO IAH. THE APU WAS SHUT DOWN AND THE FIRE BOTTLE WAS DISCHARGED. THE FIRE WARNING LIGHT WENT OUT AND THE A/C LANDED AT IAH W/O INCIDENT. MX FOUND THE TAILPIPE FIRELOOP WIRING BURNED. MXSDR TSAA9949510Apu · leakingFLT 29 - HNL-KOA - APU SHUTDOWN IN FLIGHT. INSPECTED APU AND FOUND LOW OIL QTY. APU LEAKING OIL. REMOVED AND REPLACED APU PER FORM M-133. LEAK AND OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)SDR F3LA99167Compressor · damagedABQ - UPON DEPARTURE, FLIGHT CREW REPORTED APU AUTO SHUTDOWN AT 11,000 FEET. MAINTENANCE FOUND DAMAGE TO APU COMPRESSOR, TURBINE, MUFFLER, AND FIRE LOOP. MAINTENANCE REPLACED APU, MUFFLER AND FIRE LOOP AND CHECKED OKAY. REF: OPER CONTROL NR 2000ZZZX91 THROSDR 2000ZZZX93Muffler · damagedABQ - UPON DEPARTURE, FLIGHT CREW REPORTED APU AUTO SHUTDOWN AT 11,000 FEET. MAINTENANCE FOUND DAMAGE TO APU COMPRESSOR, TURBINE, MUFFLER, AND FIRE LOOP. MAINTENANCE REPLACED APU, MUFFLER AND FIRE LOOP AND CHECKED OKAY. REF: OPER CONTROL NR F3LA99167, 2000SDR 2000ZZZX92Fire Loop · damagedABQ - UPON DEPARTURE, FLIGHT CREW REPORTED APU AUTO SHUTDOWN AT 11,000 FEET. MAINTENANCE FOUND DAMAGE TO APU COMPRESSOR, TURBINE, MUFFLER, AND FIRE LOOP. MAINTENANCE REPLACED APU, MUFFLER AND FIRE LOOP AND CHECKED OKAY. REF: OPER CONTROL NR F3LA99167, 2000SDR 2000ZZZX91Turbine · damagedABQ - UPON DEPARTURE, FLIGHT CREW REPORTED APU AUTO SHUTDOWN AT 11,000 FEET. MAINTENANCE FOUND DAMAGE TO APU COMPRESSOR, TURBINE, MUFFLER, AND FIRE LOOP. MAINTENANCE REPLACED APU, MUFFLER AND FIRE LOOP AND CHECKED OKAY. REF: OPER CONTROL NR F3LA99167, 2000SDR COMA9960768Switch · malfunctionedAPU OIL PRESSURE CAUTION MESSAGE. REPLACED OIL PRESSURE SWITCH.SDR COMA9960767Apu · lack of lubeAPU OIL PRESSURE CAUTION MESSAGE. ADDED 1 QT OF OIL TO APU.SDR CA991231026Apu · odor(CAN) PUNGENT SMELL EVIDENT WITH AIR CONDITIONING PACKS ON AND SOURCE SELECTED TOAPU AIR.OIL CONTAMINATION FOUND IN APU COMPARTMENT, APU REPLACED.SDR CA991231025Apu · failed(CAN) OILY SMELL IN AIRCRAFT DURING FLIGHT. INVESTIGATION REVEALED APU INTERNAL FAILSDR CA000110081Apu · contaminated(CAN) OILY SMELL IN AIRCRAFT DURING FLIGHT. INVESTIGATION REVEALED APU INTERNAL FAILURESDR CA991231043Apu · failed(CAN) APU OIL PRESSURE EICAS MESSAGE DURING DESCENT. UPON LANDING ROLL APU AUTO SHUTDOWN.SDR DL757992580Apu · failedAPU SHUT DOWN ON APPROACH. RT ENGINE GENERATOR INOP AND ON MCO. ALSO, HAD APU OIL QTY STATUS MSG DURING FLIGHT. SERVICED APU OIL QUANTITY AND LEAK CHECKED APU.SDR C2XA99BT110Engine · failedEWR - FLT 4023 - CREW REPORTED SPARKS AND HOT METAL DEPARTING THE TAILPIPE OF APU SMOKE FILLED CABIN AND COCKPIT. EVACUATION PERFORMED. AIRCRAFT APU PLACED ON MEL 49-00-00 AND RETURNED TO SERVICE. AWAITING APU CHANGE. (M)SDR CA991210055Seal · leaking(CAN) SMOKE IN CABIN WITH APU ON AND ACU PACKS ON. INVESTIGATION REVEALED APU LOAD COMPRESSOR OIL SEAL LEAK. APU REPLACED.SDR AWXA9900419Apu · saturatedCABIN HAD STRONG ODOR LIKE DIRTY SOCKS SMELL, ALL AREAS ESPECIALLY DURING DESCENT. APU WASH CARD Z6D49301 COMPLIED WITH, NO SMELLS NOTED.SDR 99UAL900604Bearing · failedWHILE USING APU TO POWER AIRCRAFT, AIRCRAFT STARTED TO FILL WITH SMOKE. APU MADE SEVERAL LOUD BANGS, APU WAS SHUT DOWN. SMOKE CONTINUED FROM EXHAUST. *S/D* FRONT COMPRESSOR BEARING FAILED. COMPRESSOR IMPELLER RUBBED HOUSING, FRONT SEAL DESTROYED CAUSING CSDR DL72S992379Apu · inopDURING HMV CK WORKING MCO 127703001, APU QUIT AT GATE BEFORE PUSHBACK. DURING T/S AND JIC OP 6009 FOUND APU FIRE TEST INOP. ALSO, FOUND FIRE LOOP BROKEN WITH APPARENT HIGH HEAT INDICATION AND SOOT INSIDE APU SHROUD AT INNER EXHAUST DUCT CLAMP. REPLACED APU SDR AALA991555Apu · leakingBOS - FLT 1527 - AFTER TAKEOFF BOS CREW NOTICED SMOKE IN CABIN. RETURNED TO BOS AND LANDED WITHOUT INCIDENT. CHANGED APU AND REPLACED BOTH WATER SEPARATOR BAGS. CLEANED INSIDE OF WATER SEPARATOR AND ACCOMPLISHED PACK BURNOUT OF HIGH PRESSURE DUCTING. ALL WSDR AU991019Turbine · disintegrated(AUS) APU TURBINE DISINTEGRATED. TURBINE PIECES STOPPED BY CONTAINMENT SHROUD.SDR DL757992064Apu · inopUSING APU BLEED AIR TO RUN AIRCONDITIONING PACKS, GOT SOME SMOKE FROM AREA OF APU. COCKPIT SMELLED AS IF AIR COND PACKS OVERHEATED. NO PROBLEMS IN FLT WITH PACKS. TROUBLESHOT, PLACED APU ON MCO PER MEL 49-11-01A.SDR AWXA9900316Apu · dirtySTRONG ODOR IN CABIN WHILE RUNNING PACK ON APU. WASHED APU PER CARD Z6D49301 MEL CLEARED.SDR COMA9960482Housing · crackedAFTER APU REMOVAL FOR MAINTENANCE FOUND TURBINE HOUSING CRACKED NEAR FUEL NOZZLE BOSSES. RETURNED TO ALLIED SIGNAL FOR REPAIR AND -3 MOD.SDR COMA9960483Housing · crackedAFTER REMOVAL OF APU FOR MAINTENANCE FOUND TURBINE HOUSING CRACKED NEAR FUEL NOZZLE BOSSES. RETURNED TO ALLIED SIGNAL FOR REPAIR AND -3 MODIFICATION.SDR AT9900633Apu · failedAT 5,000 FEET DURING CLIMB, SMOKE FILLED THE COCKPIT AND CABIN. AIRCRAFT RETURNED TO AIRPORT. FOUND CRACK IN TAURUS. REMOVED AND REPLACED APU. OPS CHECK AND LEAK CHECK GOOD IAW 49-10-0.SDR AALA991286Apu · defectiveDFW - FLT 1639 - INBOUND TO DFW FROM PBI, FLIGHT ATTENDANTS REPORTED STRONG FUEL FUMES IN CABIN. AIRCRAFT LANDED DFW WITHOUT INCIDENT. APU WAS FOUND TO BE THE SOURCE OF ODOR. REPLACED APU. ACCOMPLISHED BURN OUT OF AIR CONDITIONING PACKS. SYSTEM GROUND CHESDR AWXA9900263Apu · failedOIL SMELL IN CABIN VENTS. REPLACED AUX POWER UNIT.SDR 99UAL900411O-Ring · cutTWENTY MINUTES AFTER DEPARTURE, AIRCRAFT EXPERIENCED SMOKE IN COCKPIT AND CABIN. RT AIR CONDITIONING PACK WAS SHUT DOWN AND SMOKE SUBSIDED. AIRCRAFT RETURNED TO EWR. *S/D* APU (P/N 3800550-1), (S/N P1054), THE LOAD COMPRESSOR DISASSEMBLY YIELDED THE FOLLOWSDR 99ZZZX3378Housing · crackedDURING A SCHEDULED 450-HOUR INSPECTION, FOUND A 3.50 INCH CRACK AFT OF TURBINE WHEEL IN EXHAUST HOUSING. APU SENT TO ALLIED-SIGNAL FOR REPAIR.SDR SWAA991283Apu · smokingCONTROL TOWER REPORTED SMOKE COMING OUT OF AFT TAIL SECTION. AIRCRAFT RETURNED TO THE GATE. STARTED APU AND NO DEFECTS NOTED, DEFERRED APU. AT BWI, ADJUSTED APU LOAD STAT. REMOVED AND REPLACED BURNER CAN. RAN APU FOR A WHILE AND HEAVY OIL SMELL AND SMOKESDR DL757991615Apu · malfunctionedOIL SMELL IN CABIN DURING FINAL AND DURING TAXI IN. NR 1 ENG REQUIRED 16 PTS OIL. INSPECTED HPC FOR EVIDENCE OF NR 3 BEARING FAILURE, NO OIL FOUND. ALSO, INSPECTED INLET/ EXHAUST FOR SIGNS OF OIL AND NONE FOUND. INSPECTED APU PNEU, DUCT NONE FOUND. PER FISDR C2XA99BT073Apu · smokingSMOKE IN CABIN WITH PACK NR 2 OVERHEAT INDICATION. MAINTENANCE REMOVED AND REPLACED THE APU FOUND APU SOURCE OF SMOKE. OPS CHECKED OF APU AND PACK NR 2 GOOD. (M)SDR C2XA99BT074Apu · smokingEWR - FLT 4315 - CREW REPORTED APU CAUSED SMOKE ON GROUND WITH PACKS RUNNING, MAINTENANCE FOUND APU INOPERATIVE. PLACED APU ON MEL 49-00-00. AFTER MAINTENANCE TROUBLESHOOTING FOUND APU TO BE CAUSING THE SMOKE PROBLEM. REMOVED AND REPLACED APU WITH SERVICEABSDR C2XA99BT060Apu · seizedEWR - CREW REPORTED SMOKE IN COCKPIT AND CABIN ON GROUND WITH APU RUNNING, THE APU SHUTDOWN AUTOMATICALLY. MAINTENANCE FOUND APU SEIZED AND WON'T TURN. APU FAILURE. AIRCRAFT RELEASED IAW MEL 49-00-00 PLACARD NR 175634. APU CHANGED RAN AND OPERATIONALLY CHESDR 99UAL9003290ring · cutFIFTEEN MINUTES INTO FLIGHT PASSING FL260 FLIGHT ATTENDANT REPORTED SMOKE COMING FROM DOOR 2 RIGHT AREA. ACCOMPLISHED SMOKE EVACUATION CHECKLIST. FLIGHT RETURNED TO GRU. NO SMOKE INDICATIONS IN E & E OR CARGO BAYS. *S/D* APU 3800550-1, SERIAL NUMBER P1054,
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