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.

SDR DL76L060553Engine · oil consumptionAPU HIGH OIL CONSUMPTION, REPLACED APU.Jul 3, 2006 · N171DN · Boeing 767332SDR AMTA200600414Apu · failedDURING ENGINE START APU STOPPED RUNNING. REPLACED APU IAW W/C. OPS CHECK GOOD NO LEAKS NOTED.Jun 27, 2006 · N519AT · Boeing 75723NSDR DXTA200601446Apu · smokeAFTER TAKEOFF AIRCRAFT STARTED TO FILL WITH SMOKE. SMOKE WAS COMING FROM THE FLOOR IN COCKPIT & CABIN. SHUTDOWN APU, PULL POWER BACK ON ENGINES FOR DESCENT AND SMOKE STARTED TO CLEAR OUT. SMOKE HAD AN OILY SMELL. OPERATED THE APU AND FOUND A SMOKY SMELL FRJun 19, 2006 · N607QS · Cessna 560XLSDR QXEA200601459Apu · malfunctionedOKC - FLIGHT 4184, RETURNED TO THE GATE AFTER A APU AUTO SHUTDOWN DURING ENGINE START. MAINTENANCE PERFORMED OPERATIONAL CHECK OF APU AND FOUND NO FAULTS. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.Jun 18, 2006 · N616QX · Cndair CL6002C10SDR DLM88070734Apu · contaminatedAFTER T/O, ALL LAV SMOKE DETECTORS SOUNDED WITH SMOKE AND HAZE REPORTED IN CABIN BY FLIGHT ATTENDANTS. EMERGENCY RETURN TO ATL. FOUND APU INLET CONTAMINATED WITH OIL. OIL LEVEL IN SIGHT GAUGE WAS AT RE-FILL LINE. OIL TANK CAP IS INSTALLED AND SECURE. MX SJun 17, 2006 · N910DL · Doug MD88SDR TRAX200600374Warning System · activatedAPU AUTO SHUT DOWN IN FLT WITH TRIPLE CHIME AND FIRE WARNING, APU DOOR REMAINED CLOSED, FIRE WARNING MSG CLEARED AFTER APU SHUTDOWN. FLT 4083 DEL 40 MINS.Jun 15, 2006 · N833AS · Cndair CL6002B19SDR CALA0600210Apu · failedA FLIGHT ATTENDANT AT ROW 34 REPORTED AN ELECTRICAL AND SMOKY ODOR SHORTLY AFTER LEVEL OFF AT FL 360 EN ROUTE TO EWR. NO SMOKE WAS VISIBLE. THE ODOR WAS ONLY MOMENTARY. THE FLIGHT WAS CONTINUED TO EWR WHERE IT LANDED WITHOUT FURTHER PROBLEM. MAINTENANCE FOJun 14, 2006 · N74007 · Boeing 777224SDR REXA200600065Apu · malfunctionedAPU CAUSED SMOKE IN THE CABIN WHEN THE ECS WAS TURNED ON. CREW SHUT DOWN THE APU. MAINTENANCE TROUBLESHOT THE ECS SYSTEM AND APU. THIS APU HAS A HISTORY OF STARTING PROBLEMS. THE APU WAS DEFERRED PER MEL 49-10-11 AND RELEASED FOR SERVICE.Jun 13, 2006 · N8488D · Cndair CL6002B19SDR RAIA00606002Apu · unknownFLT NR 5500-IND-UPON CLEARING RUNWAY PILOT SWITCHED ON APU BLEED AND NOTICED SMOKE IN THE COCKPIT FOLLOWED BY A CALL FROM THE FLIGHT ATTENDANT STATING THE CABIN WAS FILLING WITH SMOKE. MAINTENANCE REMOVED AND REPLACED THE APU.Jun 2, 2006 · N813HK · Emb EMB145LRSDR UIEA200600122Apu · malfunctionedAPU FIRE BOTTLE WAS DISCHARGED DUE TO HEAVY BLACK SMOKE COMING FROM INLET, TAILPIPE, AND COWLING OF APU. APU INOP DUE TO FIRE BOTTLE PREVIOUSLY DISCHARGED. FIRE BOTTLE TRANSFERRED TO DI PG 88002 CAT C, PER MEL 26-8 M06-056. INSPECTED APU PER MM 49-11-00 PG6Jun 1, 2006 · N809MC · Boeing 747228FSDR DL76L060455Apu · malfunctionedTRIED TO RESET APU AFTER PUSHBACK AND GOT APU DOOR EICAS MSG AND APU FAULT. SUBSEQUENT APU DOOR STATUS MSG WOULD NOT CLEAR AND APU WOULD NOT START. CYCLED APU INLET ACTUATOR C/B. STARTED AND SHUTDOWN APU SUCCESSFUL. APU ECU TESTS OK.May 30, 2006 · N183DN · Boeing 767332SDR CA060604002Apu · inoperative(CAN) WHILE TAXING IN PREPARATION FOR TAKEOFF, CREW NOTED SMOKE AROUND AC, TOWER REPORTED SMOKE, FLAMES COMING FROM AFT AREA OF AC UNDER NR 2 ENG. APU WAS SHUTDOWN, CREW THEN ELECTED TO TAXI OFF ACTIVE TAXIWAY TO A NON ACTIVE TAXIWAY. SHORTLY AFTER STOPPING AMay 25, 2006 · Cndair CL6002B19SDR DL777060420Apu · odorWORKING MSU TO REPLACE APU DUE TO OIL SMELL IN CABIN. APU REPLACED.May 20, 2006 · N861DA · Boeing 777232SDR MASA200600908Apu · smokeASH 7303 ORD - APU AUTO SHUTDOWN AND SMOKE COMING FROM APU. MAINTENANCE SERVICED APU OIL.Mar 25, 2006 · N75984 · Cndair CL6002B19SDR CA060313009Apu · failedAFTER A FLIGHT FROM A HOLIDAY RESORT, THE AIRCRAFT HAD LANDED AT HOME BASE AND WAS TAXIING TO THE GATE. AN APU START WAS ATTEMPTED BUT THE UNIT WOULD NOT START. ON INSPECTION, THE APU APPEARS TO HAVE HAD AN INTERNAL FAILURE.Mar 12, 2006 · Boeing 737522SDR QXEA200600590Apu · malfunctionedPDX - ON FLIGHT 2515, AFTER TAKEOFF, AFT LAV SMOKE WARNING. HOT ODOR IN CABIN, WENT AWAY AFTER 1.5 MINUTES. EMERGENCY DECLARED. RETURNED TO PDX, LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED APU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SFeb 28, 2006 · N614QX · Cndair CL6002C10SDR 3002003602260Apu · odorON DESCENT CREW EXPERIENCED STRONG BURNING OIL SMELL IN COCKPIT. LANDING UNEVENTFUL. MAINTENANCE RAN APU BLEED, PACK ONLY, NORMAL POSITION SMELLED OIL IN CABIN. FOUND OIL RESIDUE AT HEAT EXCHANGER HOT AIR REGULATING SHUT OFF VALVE TRIM AIR MOVING FORWARD TOFeb 26, 2006 · N516FX · Bombdr BD7001A10SDR DL76G060142Apu · making metalAPU AUTO SHUTDOWN. BITE CHECK OF ECU SHOW APU STARTER REPLACED SAME, NO HELP. FOUND CHIP DETECTOR FULL OF METAL SHAVINGS. REMOVED AND REPLACED APU ASSY PER AMM. GROUND RUNUP LEAK CHECK GOOD.Feb 20, 2006 · N152DL · Boeing 7673P6SDR COMA0660150Apu · shutdownFLIGHT 5786 - DURING TAKEOFF ROLL AT HPN RECEIVED AN APU OVER TEMPERATURE WARNING FOLLOWED AUTO-SHUTDOWN OF APU, FLIGHT WAS ABORTED AND RETURNED TO THE GATE. DEFERRED APU PER MEL 49-10-01-01.Feb 14, 2006 · N467CA · Cndair CL6002B19SDR DLM88060115Gearbox · leakingF/A REPORTED SMOKE IN CAPT'S SIDE AFT LAV CLIMBING THRU 9000 FT. F/A DISCHARGED HALON FIRE EXT IN LAV. A/C RETURNED TO GATE, ON ARRIVAL FOUND APU GEARBOX OIL LEAK AT FITTING FOR CHIP DETECTOR. OIL CONTAMINATED APU AIR INLET. REPAIRED SAME.Feb 11, 2006 · N957DL · Doug MD88SDR TSAA0649012Speed Switch · failedFLIGHT 922 HNL OGG- APU OVER-SPEED INDICATION ILLUMINATED AND THE APU AUTO SHUT-DOWN. CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE 3- SPEED SWITCH; OPS CHECKED NORMAL AND RETURNED THE AIRCRAFT TO SERVICE.Feb 11, 2006 · N816AL · Boeing 7372X6CSDR DL764060099Actuator · leakingFUEL LEAK FROM APU DRAIN MAST. FORWARD TO FLIGHT CREW PLACARD PER MEL 49-11-01B. AIRCRAFT FLOWN TO HNL TO MTC REPAIR APU. REPLACE IGV ACTUATOR PER M/M.Feb 3, 2006 · N840MH · Boeing 767432ERSDR SWIA200616081Apu · smokeSMOKE ALARM IN LAV WENT OFF WITH NO VISIBLE SMOKE. REPLACED APU IAW 49-00-02 EMB MM. OPERATIONAL CHECK GOOD.Jan 2, 2006 · N298SW · Emb EMB120ERSDR SWIA200516065Apu · odorAFTER STARTING THE APU ON TAXI IN CABIN FILLED WITH STRONG SMELL OF FUEL. REPLACED APU ASSY IAW 49-20-01. OPERATIONAL CHECK GOOD.Dec 31, 2005 · N963SW · Cndair CL6002B19SDR MWEA050142Apu · odorAUXILIARY POWER UNIT FAILED TO START, OIL SMELL IN CABIN. OIL SMELL FOUND TO BE AUXILIARY POWER UNIT EXHAUST BLOWING PAST OPEN GALLEY DOOR, VERIFIED AUXILIARY POWER UNIT OIL AND NO LEAKS. OK FOR SERVICE.Dec 27, 2005 · N916ME · Boeing 717200SDR VNAA0512013Apu · failedDURING DESCENT THE CREW RECEIVED THE APU OVERTEMP AND LAV SMOKE WARNINGS. SMOKE WAS REPORTED IN THE CABIN AND COCKPIT. THE CREW FOLLOWED THE QRH, DECLARED AN EMERGENCY, AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU AND FOUND NO LEAKS OR EXTERNADec 18, 2005 · N241PS · Cndair CL6002B19SDR DXTA200501147Seal · leakingWITH APU ON FOR 15 MIN, CAB IN FILLED WITH SMOKE. OIL SMELL TO IT. BLEED AIR ON, TEMPS NORMAL ON APU. CABIN SEEMED TO NOT BE COOLING EFFECTIVELY. - FOUND APU STARTER/GENERATOR GARLOCK SEAL LEAKING OIL INTO ENCLOSURE - REPLACED SEAL IAW HONEYWELL RE100 (XL) MM Dec 16, 2005 · N687QS · Cessna 560XLSDR AU510001627Seal · leaking(AUS) APU LEAKING OIL INTO AIR DUCTING. STRONG OIL SMELL IN COCKPIT. INVESTIGATION FOUND THE APU LOAD COMPRESSOR SEAL FAILED AND LEAKING. SEE ATTACHMENT FOR INVESTIGATION DETAILS. (OTHER CAUSE: LOAD COMP SEAL LEAKAGE ) (CASA NR 510001627)Dec 12, 2005 · Boeing 737800*SDR ZN3R543100Plenum · rupturedTURBINE PLENUM OF APU RUPTURED AT A PREVIOUSLY REPAIRED WELD SEAM.Dec 12, 2005 · N59302 · Boeing 7373TOSDR AU510001988Apu · failedAPU AUTO SHUTDOWN. INVESTIGATION COULD FIND NO FAULTS. DURING TEST FLIGHT THE APU AGAIN SHUT DOWN. INVESTIGATION CONTINUING.Dec 10, 2005 · Fokker F28MK0100SDR SWIA200516009Apu · odorUPON LANDING SMELLED SOMETHING LIKE BURNING ODOR. AFTER PULLING INTO GATE, APU AUTO SHUTDOWN. SMOKE IN THE CABIN AS WELL. REPLACED APU IAW 49-00-00.Dec 8, 2005 · N983SW · Cndair CL6002B19SDR A6WA200540353Apu · smokeREQUEST INSPECTION OF APU COMPARTMENT DUE TO EXTREME AMOUNT OF SMOKE AFTER AUTO SHUTDOWN. INSPECTED APU AW CRJ AMM. NO DEFECTS NOTED. (K)Dec 6, 2005 · N429AW · Cndair CL6002B19SDR CA051124009Turbine Blades · damagedITEM/ISSUE IS NON SDR REPORTABLE REQUIREMENT. PMI REQUESTED ITEM TO BE FILED TO BRING VISIBILITY TO ISSUE. APU INOP DUE TO AUTOSHUT DOWN, TURBINE SCAVENGE RETURN LINE BROKEN RESOLUTION NOTES: DUE BROKEN OIL SCAVENGE RETURN LINE. TURBINE AREA INSPECTED AS PNov 22, 2005 · Boeing 737*SDR COMA0560620Apu · smokeFLIGHT 5709 - ON ARRIVAL AT THE GATE IN BOS AND UPON SHUTTING-DOWN THE APU, SMOKE WAS OBSERVED FROM THE APU DUCT. SMOKE HAD FILLED THE AFT EQUIPMENT BAY. DEFERRED THE APU PER MEL 49-10-01-2.Nov 18, 2005 · N472CA · Cndair CL6002B19SDR AALA20050756Apu · failedINFLIGHT - DURING CLIMB AND HIGH POWER SETTING SMOKE/HAZE IN BOTH CABIN AND COCKPIT. SMOKE/HAZE WOULD ONLY DISSAPATE DURING LOWER POWER SETTINGS. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED APU. SYSTEM GROUND CHECKED NORMAL OPERATIONS.Nov 17, 2005 · N586AA · Doug DC982SDR F05011Apu · contaminatedTHE CREW NOTED SMOKE IN THE CABIN AFTER APU START UP ON THE GROUND DURING PREFLIGHT INSPECTION. MAINTENANCE INSPECTED THE PLANE AND DETERMINED THAT THE APU WAS NOT RUNNING DURING DE-ICING AND INGESTED THE STRAY FLUID CAUSING THE SMOKE AND ODOR.Nov 12, 2005 · N829MJ · Emb EMB145LRSDR COMA0560604Apu · smokeFLIGHT 5343 - SMOKE IN COCKPIT. REPLACED THE APU.Nov 11, 2005 · N779CA · Cndair CL6002B19SDR CA051118001Turbine Blades · failed(CAN) APU AUTO SHUTDOWN WITH LOSS OF OIL OUT DRAIN MAST REFERENCE ADDITIONAL WORKSHEET ITEM NR2 AND NR3. C/B CLOSED AT P91. APU REPLACED IAW AMM 49-11-00 THIS CLEARS MEL 49-1 AND MDDR 3227. PLACARD REMOVED. OFF APU PN 3800702-1SN P-6654 UNIT WAS ORIGINAL INSTNov 8, 2005 · Boeing 737*SDR CA051129003Apu · failed(CAN) WHILE AT THE GATE AND PRIOR TO DEPARTURE, THE FLIGHT CREW HAD AN APU FIRE WARNING INDICATION. THE CREW FOLLOWED THE QRH PROCEDURE AND DICHARGED THE APU FIRE BOTTLE. LINE MAINTENANCE INSPECTED THE APU AND FOUND NO EVIDENCE OF FIRE. THEY ALSO FOUND THE FUENov 6, 2005 · Cndair CL6002B19SDR C2XA05BT079Apu · faultyCREW REPORTED, WHILE TAXIING WITH BOTH ENGINES RUNNING, COCKPIT CREW NOTICED AN ODOR FOLLOWED BY WHITE SMOKE IN COCKPIT. SHORTLY AFTER, FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN. THERE WERE NO INDICATIONS ON THE EICAS. AIRCRAFT RETURNED TO THE GATE. THENov 5, 2005 · N13124 · Emb EMB145XRSDR ASMF200511004Apu · failedDURING ENGINES STARTING, THE PNEUMATIC AUXILIARY POWER UNIT FAILED. THE ENGINES WERE STARTED WITH EXTERNAL PNEUMATIC PLANT IAW MM 49-11-00, TESTED CORRECT. THE FIM PROCEDURE WAS PERFORMED IAW FIM 49-55 TASK 804, ALL CORRECT.Nov 5, 2005 · N851AM · Boeing 737*SDR DXTA200501056Apu · smokeSTARTED THE APU ON THE GROUND UPON OPENING THE BLEED AIR VALVE THE AIRCRAFT FILLED W/SMOKE. DEFERRED IAW NJA HAWKER 800XP MEL 49-00-1 RAN BOTH ENGINES WITH AIR VALVES OPEN NO SMOKE OR ODOR NOTICED. ITEM IS UNDER INVESTIGATION.Nov 3, 2005 · N824QS · Raythn HAWKER800XPSDR DL777050666Apu · fireAPU TAILPIPE FIRE ON PUSHBACK. NO DAMGE TO AIRCRAFT. REPLACED APU.Oct 27, 2005 · N864DA · Boeing 777232SDR TSAA0549046Fcu · defectiveDURING PREFLIGHT CHECK, APU AUTO SHUTDOWN ON RAMP, SENSING LOW OIL PRESSURE. T/S IAW FIM 49-90/802-803 TROUBLESHOT IAW FIM. REPLACED APU LUBE MODULE TASK 49-91-11-4/PG. 1- REPLACED FCU IAW 49-31-11-4/SEC 4 199286 ITEM 2/3. LEAK AND OPS CHECK GOOD. NO DEFECOct 9, 2005 · N739AL · Boeing 73773ASDR AE0R2005CKXT8Turbine · fracturedTURBINE ROTOR FRACTURED INTO TWO LARGE PIECES. OPERATOR REPORTED THAT ONE PORTION OF THE TURBINE ROTOR EXITED THE TAILPIPE. VISUAL AND SEM ANALYSIS INDICATES A CASTING FLAW CONTAINING HAFNIUM AND MAGNESIUM (REF SAL ENGINE REPORT ER-400-01-05).Oct 7, 2005 · N947SW · Cndair CL6002B19SDR TSAA0549042Apu · shutdownFLT 484 OGG-SNA - APU AUTO SHUT DOWN WITH OVER SPEED INDICATION. CREW DIVERTED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED APU INSPECTION AND AUTO SHUTDOWN INSPECTION PER AIRCRAFT FIM 49-30-00-810-802 AND OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVSep 23, 2005 · N742AL · Boeing 73776NSDR ASMF200509013Valve · malfunctionedAIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF DURING ENGINES START, APU SHUT DOWN, FAULT LIGHT TURNED ON AND EICAS MESSAGE APU FAULT WAS DISPLAYED. THE FIM 49-11-00 PROCEDURES WAS PERFORMED. THE ENGINES START WAS PERFORMED WITH GROUND EQUIPMENT, ALL CORRSep 22, 2005 · N804AM · Boeing 7572Q8SDR QXEA200501243Apu · smokeGEG FLIGHT NR 2395: APU WAS RUNNING ABOUT 2 MINUTES. STARTED TO HEAT CABIN RAPIDLY, THEN SMOKEY HAZE FILLED THE CABIN. TURNED OFF APU. MAINTENANCE DEFERRED PER MEL 49-00-1, RSI 352431. MAINTENANCE REMOVED AND REPLACED THE APU IAW MTC 6492001. OPS CHECK GOOSep 19, 2005 · N400QX · Bombdr DHC8402SDR CA050920001Apu · defective(CAN) FORWARD LAV SMOKE WARNING MESSAGE CAME ON DURING TAKEOFF ROLL. ABORTED TAKEOFF. MAINTENANCE SUSPECTED BLEED AIR SYSTEM CARRIED CONTAMINATED AIR COMING FROM THE APU BLEED. APU OIL CONSUMPTION SUSPECTED, EVIDENCE AT DUPLEX BEARING GEARBOX DRAIN, EVIDENCSep 16, 2005 · Cndair CL6002C10SDR QXEA200501228Apu · odorGEG - ON FLIGHT 2351 NOTICED FUEL SMELL IN CABIN. MAINTENANCE PLACED THE APU ON MEL 49-10-1B, RSI 351878. AIRCRAFT RETURNED TO SERVICE.Sep 13, 2005 · N600QX · Cndair CL6002C10
Back to JASC 4920