JASC 4990

Service difficulty reports · 2,656

Reports filed under 4990 · APU Oil System, 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 = '4990'
  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 SWIA200211662Cap · looseSMOKE IN THE CABIN WITH THE APU AND PACKS ON. SECURED APU OIL FILLER CAP AFTER SERVICING OIL TO PROPER LEVEL. NO FURTHER EVIDENCE OF SMOKE OBSERVED.Dec 20, 2002 · N235SW · Emb EMB120ERSDR DL757021388Solenoid · failedAPU WILL NOT START IN FLIGHT AFTER NUMBER TWO ENGINE IDG WAS DISCONNECTED FOR DRIVE LIGHT. REPLACED APU DEOILER SOLENOID NOW CKS NORMAL.Nov 29, 2002 · N672DL · Boeing 757232SDR QXEA0202026Apu · failedPDX- SMOKE DETECTOR IN LAVATORY SOUNDING, WITH SLIGHT OIL SMELL IN AFT CABIN. APU STARTED APPROXIMITLY 15-20 MINUTES WITH CABIN HEATING SELECTED ON. ALARM STOPPED ABOUT ONE MINUTE AFTER SELECTING THE APU AIR OFF.REMOVED AND REPLACED APU. OPERATIONAL CHECKS GONov 27, 2002 · N492US · Fokker F28MK4000SDR ZW0A021196Oil System · leakingOIL LEAKING IN APU CAUSING SMOKE TO ENTER CABIN. REMOVED AND REPLACED LEFT AUTO TEMP CONTROL ANTICIPATOR. LAST CHECK C PERFORMED IN STL 10/29/02 --CLOSED--Nov 26, 2002 · N950U · Doug DC982SDR C2XA02BT078Apu · overservicedLAV SMOKE WARNING INDICATION ON EICAS, JUST SHUTDOWN APU, AIRCRAFT RETURNED TO YUL. MAINTENANCE FOUND APU GIVING OFF STRONG OIL ODOR, APU WAS PLACED ON MEL. MAINTENANCE FOUND APU TO BE OVERSERVICED WITH OIL BY 400 CC. REMOVED EXCESS OIL, REVERIFIED PROPER OINov 22, 2002 · N27523 · Emb EMB135LRSDR COMA0260641Oil SystemFLIGHT 5663 APU LOW OIL PRESSURE WARNING.SERVICED APU WITH 2 QTS OF OIL.Nov 10, 2002 · N806CA · Cndair CL6002B19SDR COMA0260636Oil SystemFLIGHT 5664 APU LOW OIL PRESSURE WARNING.APU OVER SERVICED - REMOVED 1 QUART OF OIL.Nov 10, 2002 · N806CA · Cndair CL6002B19SDR AALA20021604Oil System · leakingDFW - FLT 530 - DFW-RIC, ON CLIMB-OUT ABOVE 1000 FEET HAD BURNING SMELL IN THE COCKPIT WITH MODERATE SMOKE THROUGHOUT THE CABIN. AIRCRAFT RETURNED AND LANDED DFW WITHOUT INCIDENT. INSPECTED ACM/PACK HEAT EXCHANGER DUCTING. NO DEFECTS NOTED. INSPECTED APU, Nov 7, 2002 · N560AA · Doug DC982SDR COMA0260604Oil SystemFLIGHT 5796 APU LOW OIL PRESSURE CAUTION MESSAGE.SERVICED APU OIL - G OPERATONAL CHECKS NORMAL.Oct 24, 2002 · N918CA · Cndair CL6002B19SDR COMA0260597ApuFLIGHT 5502 APU OIL PRESSURE CAUTION MESSAGE.COULD NOT DUPLICATE. OPERATIONAL CHECK OF APU WAS NORMAL.Oct 20, 2002 · N918CA · Cndair CL6002B19SDR DLM88021209Seal · wornAFTER TAKEOFF EXPERIENCED A ODOR CONSISTANT WITH A WARM DUCT THE AFT LAV SMOKE DETECTORS SOUNDED AND F/A'S REPORT A SLIGHT HAZE IN CABIN. AT FL 9000 FT. ODOR CEASED AND SMOKE DETECTORS STOPPED. FOUND APU OIL CAP SEAL DETERIORATED. REPLACED OIL CAP CLEANED Oct 18, 2002 · N957DL · Doug MD88SDR SIMA200229401Drain Line · looseAFTER TAKE OFF CREW REPORTED THE LAVATORY SMOKE WARNING CAME ON FOR 5 MINUTES. FLIGHT ATTENDANT ALSO REPORTED AN MIST IN THE AIR WITH A BURNING SMELL. AN EMERGENCY WAS DECLARED AND AIRCRAFT RETURNED TO FIELD WITH NO FURTHER INCIDENTS REPORTED. CONTRACT MAINOct 17, 2002 · N652RS · Emb EMB145LRSDR 0202909987Service difficultyDURING CLIMB, FLIGHT ATTENDANT REPORTED THE LEFT AFT LAV SMOKE ALARM SOUNDING AND BURNING SMELL IN CABIN. SMELL CLEARED BUT LAV ALARM CONTINUED UNTIL RESET. FLIGHT CONTINUED TO DESTINATION. MAINTENANCE REPLACED THE APU. OPERATIONAL CHECK OK.Sep 12, 2002 · N987US · Doug DC932SDR ZW0A0209502ApuTHERE WAS A SMELL OF BURNED OIL AND LIGHT HAZE IN COCKPIT AND CABIN. THE APU WAS PLACARDED INOPERATIVE PER MEL. THE APU WAS LATER REPLACED. CHECK-C 10-01-01 MCI. --CLOSED--Sep 12, 2002 · N9405T · Doug DC983SDR DLM88021048Apu · leakingDURING TAKEOFF AFT F/A REPORTED ODOR IN CABIN. PERFORMED OP 5088 FOUND OIL LEAK AT APU OIL FILLER NECK. REPLACED APU PER M/M PERFORMED OP 5089 DUCY BURNOUT A/C OK FOR SERVICE.Sep 8, 2002 · N913DL · Doug MD88SDR DL76S021038Apu · leakingAT TOP OF CLIMB AND CRUISE AT 410 HOT PACK ODOR IN COCKPIT NO LIGHTS OR WARNINGS. NO REPORTED ODOR FROM THE CABIN. F/A'S LATER REPORTED HAZE AND LAV SMOKE DETECTOR ALARMS. TURNED RT PACK OFF, SMOKE SEEMED TO ABATE. REMOVED RT PACK BYPASS VALVE AND DUCT HAS Sep 5, 2002 · N121DE · Boeing 767332SDR 02FDEA00610B-Nut · looseNR 1 GEN FAULT ILLUMINATED IN FLIGHT. FOLLOWED ECAM PROCEDURES. UNABLE TO RESET NR 1 GEN STARTED APU. ACN RELEASED PER MEL/CDL: 24-11-01GEN NR 1 - INOP. APU GEN MUST BE USED TO PWR 1 AFFECTED BUS THROUGHOUT FLIGHT. VERIFY AND RECORD IN EAML THAT OIL QTY OAug 31, 2002 · N682FE · Airbus A300F4605RSDR SWIA200211155Oil Cooler · faultyAPU OIL TEMP INDICATION ILLUMINATED IN FLIGHT (20,000). RETURNED TO PHX. REPLACED APU OIL COOLER. OPS & LEAK CHECK GOOD.Aug 25, 2002 · N720SW · Cndair CL6002B19SDR S2YA02034Ecu · inoperativeDURING ENGINE START UP, SMOKE WAS OBSERVED IN THE CABIN AND A CAS MESSAGE FOR LT ENVIRO APPEARED. MECHANIC REPLACED THE ECS FLOW CONTROL AND SHUTOFF VALVE AND RELEASED THE AIRCRAFT. THE NEXT DAY IT NOTED THERE WAS OIL SMELL IN THE AIRCRAFT. MECHANIC INSPECTAug 22, 2002 · N353SK · Dorner DO328300SDR CA020904008Apu · failed(CAN) ENGINE GEN NR 2 INOP - DISPATCHED IAW MEL 24-11-1-2 ON THE FLT. (APU GEN REQUIRED TO OPERATE CONTINUOUSLY DURING FLT) DURING FLT APU OIL TEMP CAUTION MSG APPEARED. DIVERTED. APU HAS BEEN REPAIRED AND AIRCRAFT RETURNED IN SERVICE.Aug 21, 2002 · Cndair CL6002B19SDR 0202489933Service difficultyDURING CLIMB, FLIGHT ATTENDANT NOTICED SMOKE IN CABIN AND FORWARD LAV ALARM SOUNDED. FLIGHT CREW RETURNED AIRCRAFT TO DEPARTURE AIRPORT AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE FOUND AN APU OIL LEAK. OIL LEAK WAS CORRECTED, CLEANED APU AREA, AND COMPJul 25, 2002 · N1334U · Doug DC931SDR ZW0A0207201ApuTHERE WAS A SMELL OF BURNING OIL AND HAZY SMOKE IN THE CABIN. FLIGHT RETURNED TO STL. FOUND OIL LEAKING INTO APU INLET. CLEANED UP OIL AND DEFERRED CORRECTIONS TO APU PER MEL. THE APU WAS LATER CHANGED. CHECK-C 4-27-01 MCI. --CLOSED--Jul 11, 2002 · N909TW · Doug DC982SDR 2002UALA01115Scavenge Pump · failedAPU TAILPIPE FIRE. FOUND TURBINE SCAVENGE PUMP FAILED WITH NO ROTATION DURING OPERATION. IN ADDITION, THE TIE SHAFT DRIVE INSERT WAS FOUND LOOSE. THE POWER SECTION WAS ROUTED FOR DISASSEMBLY.Jul 2, 2002 · N645UA · Boeing 767322SDR 0301069952Oil Cooler · leakingDURING CLIMB FLIGHT ATTENDANT REPORTED LIGHT SMOKE IN CABIN. FLIGHT ATTENDANT DISCHARGED A HALON FIRE EXTINGUISHER IN THE AFT RIGHT LAV. FLIGHT CREW RETURNED AC TO DEPARTURE AIRPORT AND PERFORMED AN UNEVENTFUL LANDING. NO EVIDENCE OF A FIRE WAS FOUND. MAINJul 1, 2002 · N916RW · Doug DC931SDR 0202019963Service difficultyDURING CLIMB, THE LEFT AFT SMOKE DETECTOR SOUNDED AND FLIGHT ATTENDANTS REPORTED ODOR IN THE CABIN. FLIGHT CREW RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REPLACED COALESCER SOCKS AND PERFORMED A PACK BURNOUT. APU ON MEL.Jun 12, 2002 · N913RW · Doug DC931SDR AALA20020894O-Ring · failedBOS - FLT 1835 - EN ROUTE BOS-DFW, AFTER TAKEOFF A HOT MISTY ODOR WAS PRESENT IN COCKPIT FOLLOWED BY FLIGHT ATTENDANTS REPORTING SMOKE FILLING THE CABIN, SOME IN COCKPIT, FLIGHT ATTENDANTS REPORTED SMOKE WAS ORIGINATING AROUND ROWS 17 AND 18. DECLARED EMERGENJun 9, 2002 · N577AA · Doug DC982SDR AUS20020581Oil System · overtemp(AUS) APU SHUTDOWN DUE TO HIGH OIL TEMPERATURE.Jun 8, 2002 · Boeing 737376SDR AUS20020493Oil Tank · low(AUS) APU OIL QUANTITY LOW. NO EVIDENCE OF ANY LEAKS. TWO LITRES ADDED TO TOP UP THE OIL.May 27, 2002 · Boeing 767*SDR AUS20020490Oil Tank · low(AUS) APU OIL QUANTITY LOW. APU SHUTDOWN.May 27, 2002 · Boeing 767338SDR ASAA0280185Switch · leakingLAX - SMOKE AND FUMES WERE NOTED IN CABIN SHORTLY AFTER TAKEOFF. FIRE ALARMS ANNUNCIATED. REPLACED LEAKING LOP SWITCH ON APU. SUBSEQUENT OPERATION CAUSED NO FUMES OR SMOKE. (M)May 21, 2002 · N976AS · Doug DC983SDR 0201649911Apu · leakingDURING GROUND COOLING IN CLT, THE FLIGHT ATTENDANT NOTED A TRACE OF SMOKE IN THE CABIN. PACK WAS ADJUSTED TO WARMER TEMP AND PROBLEM ENDED. ON TAKEOFF, THE SMOKE RETURNED AND CAUSED THE FORWARD LAV SMOKE DETECTOR TO ALARM FOR ABOUT 3 MINUTES THEN CEASED. THMay 20, 2002 · N961N · Doug DC931SDR DLM88020495Oil Cap · leakingAT T/O HAZE FORMED IN CABIN AND AFT SMOKE DETECTORS WENT OFF. ADJUSTED PACKS MANUALLY AND HAZE AND ODOR DISSIPATED. FOUND APU OIL CAP LEAKING CAUSING INLET CONTAMINATION. REPLACED OIL CAP, CLEANED APU INLET AND PERFORMED DUCT BURNOUT PROCEDURE PER M/M.May 1, 2002 · N958DL · Doug MD88SDR CA020502007Apu · failed(CAN) AIR TURN BACK, AIRCRAFT CABIN FILLED WITH SMOKE, RETURN TO ST-LOUIS. AIRCRAFT DEPARTED WITH THE APU UNDER MEL DUE TO LOW OIL QUANTITY & APU SHUTDOWN (APU FAILURE) OIL FROM THE APU WENT IN THE LT PACK CAUSING THE SMOKE. REPLACED THE APU AND THE PACK.Apr 11, 2002 · Cndair CL6002B19SDR CA020412005Apu · leaking(CAN) ON CLIMB OUT, SMOKE NOTED IN CABIN. APU FAULT AND APU OIL PRESS CAUTION MESSAGES POSTED. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO WHERE AN UNEVENTFUL LANDING WAS PERFORMED. MAINTENANCE FOUND AN APU EXTERNAL OIL LEAK - EXACT LOCATION NOT KApr 9, 2002 · Cndair CL6002B19SDR SWIA200210766Pressure Switch · dirtyAPU OIL PRESSURE MESSAGE IN FLIGHT. DIVERTED TO FAT. CHANGED OIL AND FILTER AND CLEANED PRESSURE SWITCH. OPS CHECKED GOOD.Apr 1, 2002 · N903SW · Cndair CL6002B19SDR ASAA0280100O-Ring · leakingPDX - FOUND OIL ODOR IN CABIN DURING FLIGHT. REPLACED LEAKING O-RING FOR APU OIL CLUSTER. OP CHECKED OK. (M)Mar 22, 2002 · N964AS · Doug DC983SDR DLM88020354Line · looseON TAKEOFF SMOKE AND FUMES IN CABIN. ALL LAV SMOKE DETECTORS WENT OFF. RAN ENGS PER MCC, NO SMOKE. C/W OPNS 5088 AND 5089 ALL CHECK GOOD. FOUND LOOSE OIL SUPPLY LINE NEAR APU OIL COOLER. SECURED SAME.Mar 21, 2002 · N937DL · Doug MD88SDR CA020322013Apu · failed(CAN) FLIGHT CAREW REPORTED SMOKE AND OIL SMELL IN COCKPIT AND CABIN. EMERGENCY DECLARED AND AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE STARTED APU ON GROUND AND UPON TRANSFER OF BLEEDS TO APU, SMOKE FILLED THE CABIN AND COCKPIT. ALSO, APU OIL PREMar 18, 2002 · Cndair CL6002B19SDR AALA20020317Line · leakingDFW - FLT 1954 - AFTER TAKEOFF DFW, RETURNED TO DFW DUE TO SMOKE AND BURNING RUBBER SMELL IN CABIN. LANDED DFW OVERWEIGHT WITHOUT INCIDENT. TIGHTENED APU OIL COOLER LINE. ACCOMPLISHED PACK BURN. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Mar 16, 2002 · N44503 · Doug DC982SDR QXEA0200454Apu · leakingSEA- SMELLED SMOKE IN THE CABIN WHEN BOARDING THE AIRCRAFT. LAVATORY SMOKE DETECTOR WENT OFF. UPON INSPECTION, FOUND APU ALLOWING OIL INTO BLEED SYSTEM. COMPLIED WITH BLEED AIR SYSTEM CHECK. AIRCRAFT RETURNED TO SERVICE.Mar 7, 2002 · N498US · Fokker F28MK4000SDR DHL2002750001Apu · smokeHOSE / SMOKE IN COCKPIT AND IN UPPER CARGO AREA FROM LT PACK. DEFERRED PER MEL 21-14 DMI 8649 PLACARD INSTALLED ID 34518. REF DMI 8649 HAZE / SMOKE IN COCKPIT AND IN UPPER CARGO AREA FROM LT PACK. CHECKED RT AMD LT COALESER BAGS, NO OIL EVIDENT, OPERATEDFeb 27, 2002 · N750DH · Boeing 7272M7SDR QXEA0200318Apu · leakingYEG - AIRCRAFT RETURNED TO FIELD WHEN THE LAVATORY SMOKE DETECTOR SOUNDED. DURING INSPECTION OF APU AN EXTERNAL OIL LEAK WAS NOTED. MAINTENANCE INSPECTED THE ACM PACK CONDENSER SOCKS FOR OIL CONTAMINATION. NONE WAS NOTED. PRESSURIZED AND RAN AIRCRAFT WITHFeb 26, 2002 · N499US · Fokker F28MK4000SDR DLM88020197Seal · brokenSMOKE DETECTOR ACTIVATED IN LAV F/O SIDE ON T/O TO 8000 FT, THEN WHEN OUT, NO ENG / WING ICE ON CROSS FEEDS CLOSED. FOUND APU OIL CAP SEAL BROKEN. REPLACED APU OIL CAP. REMOVED APU INLET PANEL AND CLEANED. PERFORMED STEPS 1-7 OF DUCT BURN OUT. COMPLIED WIFeb 17, 2002 · N922DL · Doug MD88SDR MEX2002035Apu · leakingFLT 419 - MEX-VSA - CREW REPORTED THE PRESENCE OF SMOKE IN THE PASSENGER CABIN AND SMOKE DETECTORS ACTIVATED IN THE LAVATORIES. LEFT A/C PACKAGE AND COOLING TURBINE CHIP DETECTOR WAS CHECKED, OK, IT WAS FOUND OIL WASTES FROM THE PNEUMATIC APU. (M)Feb 11, 2002 · N753RA · Doug DC987SDR C2XA02CL009Oil System · overservicedEWR FLIGHT 3505 THE CREW REPORTED THE APU EMITS STRONG FUMES IN THE CABIN. MAINTENANCE INSPECTED AND PLACED ON MEL. THEN FOUND APU OIL LEVEL TO BE TOO HIGH. THE OIL LEVEL WAS REDUCED TO PROPER LEVEL AND OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RELEASJan 13, 2002 · N13975 · Emb EMB145LRSDR DLM88020021Apu · leakingFUMES IN COCKPIT AND CABIN DURING CLIMBOUT FROM PVD. AFT LAV SMOKE ALARMS SOUNDED AND THEN STOPPED. FUMES DISSIPATED BUT NEVER WENT AWAY. PERFORMED OP 5088. INSP RECIR FAN, LT AND RT AIR CYCLE MACHINES. REPLACED WATER SEPARATOR BAGS. PERFORMED DUCT BURNOJan 6, 2002 · N901DL · Doug MD88SDR SWIA200210543Oil Cooler · dirtyAPU OIL TEMP CAUTION MSG. DIVERTED FROM SLC TO GJT. CLEANED THE OIL COOLER COOLING FINS. RAN THE APU FOR 30 MINS. OPS CHECK GOOD.Jan 5, 2002 · N499SW · Cndair CL6002B19SDR SWIA200210522Oil System · overservicedAPU OIL TEMPERATURE CAUTION MESSAGE. DIVERTED TO KGJT. FOUND ENGINE OIL OVERSERVICED. SERVICED TO PROPER LEVEL. RAN, GROUND TEST GOOD.Jan 5, 2002 · N499SW · Cndair CL6002B19SDR DLM88011972Apu · leakingON TAKEOFF OUT OF JAC WHEN TAKEOFF PWR WAS SET F/A IN AFT JUMP SEAT NOTICED BURNING ODOR LIKE BURNING OIL LASTED SEVERAL MINUTES THEN DISSIPATED. NO FURTHER ODOR REMAINDER OF FLT. FOUND APU LEAKING OIL. REPLACED APU ASSY PER M/M. OPS AND LEAK CHECK GOOD.Dec 22, 2001 · N921DL · Doug MD88SDR DLM11011918Pump · leakingA/C DIVERTED IAD DUE SMOKE IN CABIN. REPLACED APU OIL PUMP AND SEALS.Dec 10, 2001 · N809DE · Doug MD11
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