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 UALA2011080304048Apu · making metalDURING GROUND OPS, APU AUTO SHUTDOWN. DRAIN CHIP DETECTOR INSPECTED AND FOUND FULL OF METAL PARTICLES. REPLACED APU.Aug 2, 2011 · N779UA · Boeing 777222SDR UALA2011080103984Cap · faultyRELEASE LEVER ON APU OIL CAP LOCKING MECHANISM IS MISSING. CAP CAN BE REMOVED WITH TOOLS FOR OIL SERVICE AND IS SECURE WHEN REINSTALLED. REPLACED APU OIL CAP WITH SERVICEABLE UNIT.Jul 31, 2011 · N551UA · Boeing 757222SDR USAA2011072800010Oil System · overservicedCREW REPORTED A BURNT OIL SMELL COMING FROM THE AIR CONDITIONING SYSTEM, MORE INTENSE IN FRONT PART OF CABIN AND WORSE ON THE GROUND. MAINTENANCE FOUND APU OIL OVER-SERVICED. DRAINED EXCESS OIL, CLEANED LOAD COMPRESSOR AND PERFORMED DECONTAMINATION OF ENVIROJul 25, 2011 · N111US · Airbus A320214SDR UALA2011070503331Chip Detector · separatedAPU LEAKING OIL ON GROUND. FOUND CHIP DETECTOR ASSY ON LOWER GEARBOX SEPARATED FROM ADAPTER ASSY. REPLACED CHIP DETECTOR ASSY. RAN APU AND NO LEAKS NOTED.Jul 5, 2011 · N796UA · Boeing 777222SDR ASAA1159989Filter Element · dirtyAPU OIL FILTER INDICATOR RED BUTTON EXTENDED. REPLACED APU OIL FILTER. RESET THE OIL FILTER INDICATOR BUTTON PER AMM 49 91 12.Jul 4, 2011 · N534AS · Boeing 737890SDR UALA2011080103960Filter · defectiveAPU AUTO SHUTDOWN THREE TIMES. APU INOP GENERATOR FILTER FAULT. REPLACED LUBE AND GENERATOR SCAVENGE OIL FILTER PER MM. ALSO SERVICED OIL, ADDED 1 QT. RAN APU AND LEAK CHECKED FILTER, NO LEAKS NOTED. RAN APU FOR 45 MIN. APU DID NOT AUTO SHUTDOWN.Jul 1, 2011 · N657UA · Boeing 767322SDR AALA20110629TUL01Sensor · faultyLAS - INFLIGHT ORD-LAX. CREW REPORTED AUXILIARY POWER UNIT LOW OIL QUANTITY MESSAGE WITH RIGHT ENGINE DRIVEN GENERATOR ON MEL. EMERGENCY DECLARED FLIGHT DIVERTED LAS LANDED WIHTOUT INCIDENT. NO OIL LEAKS WERE NOTED. REPLACED APU OIL LEVEL SENSOR. SYSYEM GJun 29, 2011 · N353AA · Boeing 767323SDR HALA2011062900297Oil Filter · dirtyETOPS SIGNIFICANT SYS - ON OVERNIGHT FOUND APU OIL FILTER DPI OUT. R & R APU SCAVENGE OIL FILTER IAW MM 49-27-03 LEAK CK OK.Jun 29, 2011 · N585HA · Boeing 7673G5SDR UALA2011062403121Oil System · leakingFLIGHT ATTENDANTS AND PAX REPORTING MUSTY ODOR IN ACFT. ACCOMPLISHED MT72-016 FOR APU OIL LEAK REPAIR. ACCOMPLISHED MM71-00-00-810 -801 ON NR 2 ENG NO OIL CONTAMINATION FOUND IN HP NR 3 BEARING AREA. ACCOMPLISHED PACK BURN OUT WITH ENGINES AND APU.Jun 23, 2011 · N498UA · Airbus A320232SDR DXTA2011062004624O-Ring · cutTAXIED OUT FROM FBO, WITH APU RUNNING, WITH BLEED AIR ON. GOT TO THE END OF RUNWAY, NEXT FOR TAKEOFF WHEN A LIGHT BLUE COLORED SMOKE STARTED TO FILL THE COCKPIT AND CABIN. TURNED BOTH BLEEDS OFF RETURNED TO GATE, SMOKE DISSAPATED. REPLACED WATER SEPARATOR Jun 19, 2011 · N380QS · Cessna 680CESDR ASAA1159730Filter Element · dirtyON SERVICE CHECK FOUND APU RED FILTER BUTTON EXTENDED. REMOVED AND REPLACED APU LUBE FILTER ELEMENT ASSY REF MM 49 91 12, OPS GOOD. PERFORMED APU MAGNETIC DRAIN PLUG INSPECTION NORMAL REF MM 49 91 81, OPS CHECKS NORMAL.May 30, 2011 · N531AS · Boeing 737890SDR DALA1137310928Switch · leakingDURING CLIMB THERE WAS A PACK ODOR, PACKS FULL COLD. FLIGHT ATTENDANTS REPORTED SMOKE DETECTORS IN LAVATORY SOUNDING. FLIGHT CREW WENT TO MANUAL ON PACKS AND SELECTED A WARMER SETTING. SMELL AND ALARMS CEASED IN ABOUT 2-3 MINUTES. OK REST OF FLIGHT. MAINTMay 29, 2011 · N928DL · Doug MD88SDR UALA2011052402531Unknown · leakingCREW REPORT: APU OIL QTY STATUS MESSAGE. SUPPLEMENTAL DATA UPDATEMay 24, 2011 · N654UA · Boeing 767322SDR ASAA1159655Oil Filter · defectiveAPU START THAN SHUT DOWN W/A FAULT LIGHT. PERFORMED FIM 49 90 00 810 809. REPLACED OIL FILTERS OPS & LEAK CHECK GOOD FAULT CLEARED.May 16, 2011 · N568AS · Boeing 737890SDR CA110606011Sensor · malfunctionedTHESE FAILURES HAVE BEEN REPORTED ON THE OIL LEVEL SENSORS FOR THE APU. UNITS P/N 722446 S/N (1) 725A (2) 990 (3) 651 (4) 1039 SO FAR FOR TROUBLESHOOTING WE HAVE CHECKED THE APU STARTER/GENERATOR TO ENSURE IT IS NOT CAUSING ANY VIBRATION. WOULD LIKE TO VERIFYMay 12, 2011 · Amd FALCON2000SDR UALA2011050902260O-Ring · leakingOIL LEAKING FROM APU GENERATOR RT OIL PASSAGE TEST PORT JUST FORWARD OF ELECTRICAL HARNESS STUDS. REPLACED PLUG. APU GENERATOR LEAKING OIL FROM THE DRAIN PLUG. REPLACED O-RING, LEAK CHECKS GOOD.May 6, 2011 · N646UA · Boeing 767322SDR UALA2011050902258Switch · faultyAPU OIL QTY STATUS MSG. NO LEAKS NOTED. REPLACED LOW OIL LEVEL SWITCH PER MM, OPS CHECKS GOOD AND NO MESSAGES.May 6, 2011 · N677UA · Boeing 767322SDR UALA2011050502207Packing · faultyAT THE GATE WITH APU RUNNING THE PACKS CABIN BEGAN TO FILL WITH SMOKE. PACKS WERE TURNED OFF. REPLACED TURBINE BEARING CHIP DETECTOR PACKING. SERVICED OIL TO FULL. RAN APU SEVERAL HOURS, NO LOSS OF OIL. RAN ENGS, CLEARED PACKS OF OIL RESIDUE.May 5, 2011 · N516UA · Boeing 757222SDR USAA2011050491752Oil System · overservicedFLT 844 CUN-CLT - BURNING SMELL - ON DESCENT PASSING 4200 FT MSL, A "HOT PAINT SMELL OVERWHELMED COCKPIT - DISSIPATED AT 2000" MSL. SEE PREVIOUS WRITE UP. ACCOMPLISHED J/C 26L00021001, EXAMINED NR 1 & NR 2 ENGINE HPC BLADES WITH BOROSCOPE WITH NO SIGNIFICANTMay 3, 2011 · N107US · Airbus A320214SDR UALA2011042201963Apu · leakingAPU OIL CONSUMPTION. FOUND OIL LEAK IN TAIL PIPE. DISCONNECTS COMPLETE, NOW READY FOR TRANSFER. CONSUMPTION ABOVE LIMIT. APU REPLACED PER MM. OP'S CHECK NORMAL.Apr 22, 2011 · N219UA · Boeing 777222SDR VNAA2011040400023Pressure Switch · defectiveCREW REPORTED, RECEIVED AN APU OIL PRESSURE MESSAGE IN FLIGHT. BECAUSE THE RIGHT IDG WAS DEFERRED THE CREW DIVERTED TO BHM LANDING WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE APU OIL SYSTEM USING THE AIRCRAFT MAINTENANCE MANUALS. THE LOW OIL PRESSURE SWITMar 30, 2011 · N254PS · Cndair CL6002B19SDR IPXA1665437Pressure Switch · leakingINSPECTION TYPE: ETOP DIVERSION - DUE TO OIL LEAK FROM APU LOW OIL PRESS SWITCH. ONE ADP ON DEFERRAL. ALSO RECEIVED APU FAULT LIGHT AND EICAS MSG. APU WOULD NOT RESTART. R & R APU LOW OIL PRESS SWITCH.Mar 15, 2011 · N330UP · Boeing 76734AFSDR DXTA2011031404504Oil System · overservicedAFTER TAKEOFF CABIN FILLED UP WITH SMOKE .SMOKE SMELLED LIKE BURNED SOCKS .TURNING ECS TO RAM SEEMED TO STOP ANY FURTHER ACCUMULATION OF SMOKE. CHECKED OIL LEVEL ON BOTH ENG'S AND APU. FOUND APU AND NR 2 ENGINE OIL LEVELS ON HIGH SIDE OF SERVICEABLE RANGE. SMar 12, 2011 · N723QS · Gulstm 200SDR VNAA2011030800002Filter Element · poppedCREW REPORTED AN APU OIL TEMP CAUTION IN FLIGHT EN ROUTE FROM CLT TO STL. CREW DIVERTED TO TYS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE DELTA-P POPPED ON THE APU OIL FILTER. MAINTENANCE REMOVED AND REPLACED THE APU OIL FILTER ELEMENTMar 5, 2011 · N228PS · Cndair CL6002B19SDR DALA1110760983Gasket · tornFLIGHT CREW REPORTED SMOKE AND FUMES IN THE CABIN, COCKPIT AND ALL LAVATORY ALARMS SOUNDING DURING TAKEOFF. FLIGHT CREW RETURNED ACFT TO DEPARTURE AIRPORT. MX FOUND APU COMPARTMENT CONTAMINATED WITH OIL AND APU OIL CAP SEAL "TORN". MX REPLACED THE OIL CAPFeb 16, 2011 · N983DL · Doug MD88SDR ASAA1159052Filter Element · defectiveAPU WILL NOT START. REMOVED AND REPLACED APU LUBE FILTER ELEMENT AND LUBE FILTER HOUSING PER AMM 49 91 12 000 802. SERVICED APU OIL TO FULL IAW AMM 49 91 13 PB 301. ACCOMPLISHED GROUND OPS CK PER AMM 49 11 00 710 801.Feb 15, 2011 · N564AS · Boeing 737890SDR DALA1110580955O-Ring · leakingSTRONG ODOR IN ACFT AFTER TAKEOFF. AFT LAVATORY SMOKE DETECTOR SOUNDED AND F/A REPORTED SMOKE AND HAZE IN THE CABIN. FLIGHT CREW RETURNED ACFT TO DEPARTURE. MX FOUND OIL LEAK FROM APU OIL CAP. REPLACED OIL CAP AND CLEANED RESIDUAL OIL. RAN APU AND NO OIL Feb 14, 2011 · N955DL · Doug MD88SDR ASAA1158968Filter Element · cloggedAPU DROP OFF LINE MAINTENANCE SHUTDOWN MESSAGE 49 94299 OIL FILTER SHOWS CLOGGED. TROUBLESHOT PER FIM 49 90 00 810 819. MAG PLUG CK GD. REMOVED AND REPLACED LUBE FILTER AND STARTER GEN. FILTERS AND FILTER BYPASS SWITCH REF FIM 49 90 00 810 819. OPS AND LEFeb 5, 2011 · N592AS · Boeing 737890SDR UALA2011012600428Chip Detector · contaminatedAPU HAD 2 AUTOSHUTDOWNS DURING CREW PREFLIGHT WITH LOW OIL PRESSURE MESSAGE 49-10270. OIL QTY NORMAL. FOUND LARGE SILVER COLOR METAL PARTICLES ON OIL SUMP MAGNETIC CHIP COLLECTOR. ALL OTHERS CHIP COLLECTORS CLEAN. ALSO MAIN OIL FILTER CONTAMINATED. REINSJan 25, 2011 · N223UA · Boeing 777222SDR DXTA2011012104425Apu · leakingDURING TAKEOFF WITH ENGINE ICE ON AND WING ICE ON AFTER TAKEOFF, IN TAKE OFF POWER DETENT, AN ODOR OF BURNING OIL OR EXHAUST WAS PRESENT IN COCKPIT. THIS ODOR DECREASED ONCE POWER WAS BROUGHT OUT OF TAKE OFF DETENT AND WITH GASPERS OPENED. TROUBLESHOT AND FJan 21, 2011 · N251QS · Amd FALCON2000SDR HALA2011011400032O-Ring · missingETOPS SIGNIFICANT SYS - APU GENERATOR OIL SCAVENGE CHIP DETECTOR MISSING O-RING. REPLACED O-RING, LEAK CHECKED IAW HAL CARD 767 3311008 NO LEAKS FOUND.Jan 14, 2011 · N582HA · Boeing 76733ASDR HALA2011010500008O-Ring · leakingETOPS SIGNIFICANT SYS - FOUND APU OIL LEVEL LOW AT ".50" ON ETOPS CK. FOUND APU LOW OIL LEVEL SW BASE O-RING LEAKING ENG OIL. REPLACED O-RING OPS & LEAK CK GOOD. SERVICED APU OIL, CAP SECURE. SECURED APU ACCESS DOORS. OK FOR SVC.Jan 5, 2011 · N581HA · Boeing 76733ASDR REXA201000338Line · leakingWHILE SITTING AT GATE C15 IN DTW THE APU PERFORMED AN AUTO SHUTDOWN. THE FLIGHT CREW SMELLED SMOKE AND SAW IT COMING FROM THE GASPERS. THE PASSENGERS WERE EVACUATED AND CFR RESPONDED. NO FIRE OR HOT SPOTS WERE FOUND. MAINTENANCE FOUND THAT THE APU ENCLOSURDec 29, 2010 · N8665A · Cndair CL6002B19SDR ASAA1058701Indicator · defectiveOIL FILTER INDICATOR FOUND EXTENDED DURING OIL SERVICING. NO DEFECTS NOTED WITH MAGNETIC DRAIN PLUG OR LUBE FILTER ELEMENT. DISCOVERED OIL FILTER INDICATOR COULD BE RESET WITHOUT INVERTING HOUSING. REPLACED OIL FILTER INDICATOR PER AMM 49 91 13. OPS AND LEDec 25, 2010 · N562AS · Boeing 737890SDR ASAA1058694Filter Element · dirtyFOUND APU LUBE OIL FILTER INDICATOR POPPED. REMOVED & REPLACED APU LUBE OIL FILTER ELEMENT. REF MM 49 91 12. LEAK CHECK GOOD.Dec 25, 2010 · N557AS · Boeing 737890SDR ASOA201001997Sensor · unknownAFTER LANDING APU SHUTDOWN WHILE TAXIING TO GATE VERY STRONG FUEL SMELL INSIDE COCKPIT AND CABIN CAUSING EYES TO BURN. R & R APU OIL TEMP BULB IAW AMM 49-91-25. OPS CK GOOD. DEFER CLEARED PLACARD REMOVED. (CLOSED)Dec 21, 2010 · N827AS · Cndair CL6002B19SDR USAA2010122093202Oil Cooler · leakingODOR - CABIN AND FLIGHT DECK SMELL MUSTY AND VOMIT. FOUND FAN OIL COOLER LEAKING. R & R OIL COOLER FAN ASSY IAW AMM 49-52-51-400-001. OPS CHECK WAS GOOD.Dec 19, 2010 · N654AW · Airbus A320232SDR DXTA2010120704352Oil System · overservicedAFTER LANDING AND WITHIN 3-5 MINS OF STARTING APU AND SELECTING THE BLEED AIR "ON", THE CABIN FILLED WITH SMOKE AND AN ODOR OF OIL. FOUND APU OIL OVER SERVICED. OIL COMING FROM GEAR CASE VENT TUBE. REMOVED 56 CC OF OIL. SERVICED OIL IAW RE-100CS, & MM 49-20Dec 6, 2010 · N381QS · Cessna 680CESDR UALA2010120104423Sensor · faulty"APU OIL QTY" STATUS MESSAGE SHOWS ON POWER UP. MAT SHOW MESSAGE 49-12860 ACTIVE. EICAS APU OIL QUANTITY INDICATION BLANK, TRIED TO CLEAN OIL QTY SENSOR, NO HELP. APU OIL QUANTITY CHECKED BY SIGHT GAUGE. SHOWS FULL IAW MEL. PN: 295-0002. ALSO O-RING 362-2029.Dec 1, 2010 · N228UA · Boeing 777222SDR USAA2010112992673Oil Cooler · leakingFLT 89 PDX-PHX - ODOR - WET, DIRTY SOCK SMELL REPORTED DURING TAXI AND CLIMB - DISSIPATED DURING CRUISE. STRONG ODOR RETURNED DURING DESCENT AND TAXI. MAINTENANCE FOUND EVIDENCE OF OIL LEAK AT APU OIL COOLER - REMOVED AND REPLACED OIL COOLER I/A/W AIRBUS MAINov 30, 2010 · N632AW · Airbus A320231SDR HALA2010112800570Oil System · lowETOPS SIGNIFICANT SYSTEM, APU FAULT EICAS MSG AFTER LANDING. FOUND APU OIL LEVEL LOW, SERVICED APU TO FULL. APU START SUCCESSFUL. NO LEAKS NOTED. PERFOMRMED FIM 49 -11-00 FIG 109. APU STARTED NORMALLY.Nov 28, 2010 · N593HA · Boeing 76733AERSDR ASAA1058536Oil System · lowSTARTED THE APU (NORMAL START) AND THE BLUE "MAINT" LIGHT ILLUMINATED. PERFORMED APU BITE TEST FOUND MSG 49 91227 LOW OIL QTY. OPENED APU ACCESS DOOR PERFORMED GVI OF APU FOR OIL LEAKS NONE FOUND. INSPECTED TAILPIPE FOR STREAKING NONE FOUND. APU OIL ADD 2.Nov 23, 2010 · N579AS · Boeing 737890SDR DALA1033310935Oil Cap · leakingTHE FLIGHT RETURNED TO LGA DUE TO SMOKE IN THE CABIN WITH LAVATORY SMOKE DETECTORS SOUNDING AFTER TAKEOFF. MAINTENANCE FOUND AN APU OIL LEAK AT THE CAP AND REPLACED IT. THE APU INLET AND EXTERNAL AREAS WERE CLEANED AND OPERATION 5089 DUCT BURN OUT PROCEDURESNov 21, 2010 · N935DL · Doug MD88SDR VNAA2010112300015Oil System · lowCREW REPORTED APU OIL PRESSURE CAUTION MESSAGE IN FLIGHT EN ROUTE FROM DCA TO BNA. CREW DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU, SERVICED THE APU OIL LEVEL AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRANov 19, 2010 · N223JS · Cndair CL6002B19SDR HALA2010110200509Oil System · leakingETOPS SIGNIFICANT SYS - LWR EICAS MSG -"APU OIL QTY". CHECKED APU OIL QTY. FOUND LOW. PERFORMED APU LEAK CHECK, FOUND APU GENERATOR CASE CRACKED. R & R GENERATOR IAW AMM 24-21-01-424-002. SERVICED APU OIL AS REQUIRED. PERFORMED APU LEAK CHECK IAW AMM 49-21-0Nov 2, 2010 · N591HA · Boeing 76733ASDR ASAA1058465Warning System · false activationBLUE MAINT LIGHT ILLUMINATED AFTER APU STARTED. ACCOMPLISHED FIM TASK 49 90 00 810 804 49 91227 LOW OIL QTY MESSAGE CLEARED AFTER BITE TEST. APU FUNCTION TEST NORMAL.Oct 30, 2010 · N570AS · Boeing 737890SDR DXTA2010102704275Oil System · overservicedWITH APU RUNNING & APU BLEED AIR ON, A STRONG BURNING RUBBER LIKE ODOR ENTERED CABIN ON TAXI OUT. APU BLEED AIR SELECTED OFF & ODOR WENT AWAY. INSPECTED WATER SEPARATOR IAW MM 21-51-00. LEAK CHECKED APU & BLEED AIR PLUMBING. CHECKED GOOD. FOUND APU OIL OVOct 26, 2010 · N615QS · Cessna 560XLSDR UALA2010101803860Oil System · emptyAPU AUTO SHUT DOWN AFTER ENG START. OIL QTY READING LOW. PERFORMED VISUAL CHECK AT APU. FOUND NO OIL QTY IN SIGHT GAUGE AND MCD AND SCAVENGE CD HAVE METAL ON THEM. REPLACED APU, OPS CHECK GOOD.Oct 16, 2010 · N787UA · Boeing 777222SDR ASAA1058378Clamp · brokenAPU OIL COOLER RETURN LINE CLAMP BROKEN. SECURED LINE REF EA800 49EA 04131. RESOLVED BY APU REPLACEMENT ON 10/18/10 (REFERENCE ASAA1058404).Oct 15, 2010 · N570AS · Boeing 737890SDR ASAA1058366Oil Cooler · leakingAPU HAS A HISTORY OF OIL SERVICING CURRENT OIL CONSUMPTION IS STILL WITHIN LIMITS AT .14 QPH. PERFORMED "APU OIL CONSUMPTION HIGH FAULT ISOLATION" REF FIM 49 95 00 810 801. INSPECTED TURBINE SUPPORT AREA FOUND NO OIL LEAKAGE EVIDENT AT TURBINE SUPORT AREA OROct 15, 2010 · N570AS · Boeing 737890
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