JASC 4990

Service difficulty reports · 2,656

Reports filed under 4990 · APU Oil System, newest first.

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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"

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SDR HALA2010041500158Oil Filter · unknownETOPS SIGNIFICANT SYSTEM - TOOK 2 ATTEMPTS TO START APU ON GROUND. REPLACED OIL FILTER PER 49-27-03, NO LEAKS NOTED.Apr 12, 2010 · N586HA · Boeing 7673G5SDR ASAA1057677Bypass Switch · faultyAPU DURING START UP AUTO SHUTS DOWN. FAULT CODE: 49 94299. REPLACED STARTED GENERATOR BYPASS SWITCH REF MM 49 91 13 400 803. COMPLETED FIM TASKS 49 90 00 810 809 PG 1 THRU 6 STEPS F(3). NO FURTHER MESSAGE.Apr 11, 2010 · N587AS · Boeing 737890SDR A6WA201040280Oil System · overservicedAPU OIL TEMP MESSAGE AND SMELL IN CABIN AFTER LANDING EGT 713.730. FOUND APU OIL OVERSERVICED, SEVEL TO CONCT LEVEL, STARTED APU BUT AUTOSHUTDOWN ECU CODE 92 FOR HOT OIL TEMP FD FUEL SOLENOID LINE "B" NUT AND LEATKING FUEL SECD "B" NUT LEAK CHECK GOOD.Apr 8, 2010 · N450AW · Cndair CL6002B19SDR ASAA1057654Filter Element · defectiveWHILE PERFORMING TC 78349013 FOUND APU OIL FILTER DELTA P EXTENDED. PERFORMED OIL FILTER INDICATOR SERVICING REF AMM 49 91 13, REPLACED LUBE FILTER, NO CONTAMINATION NOTED IN FILTER OR MAG DRAIN PLUG. RESET DELTA P INDICATOR, INSTALLED NEW FILTER RAN APU 5 MApr 5, 2010 · N585AS · Boeing 737890SDR HALA2010040500153Packing · leakingETOPS SIGNIFICANT SYS - APU HAD AUTO SHUTDOWN, FAULT LGT ILLUM AND EICAS MSG APU FAULT DISPLAYED. TROUBLESHOT IAW FIM 49-11-00/101, FIG 103. FOUND LOW OIL PRESSURE ON ECU BITE. SERVICED APU OIL LEVEL TO FULL AFTER FINDING 5 PINTS LOW. REPLACED APU OIL CAP Apr 5, 2010 · N596HA · Boeing 767332SDR ASAA1057651Oil System · lowSTARTING APU THE "MAINT" LIGHT ILLUMINATED. PERFORM BITE CHECK OF APU. CODE 49 11019 PERFORMED FIM 49 10 00 MAINT MESSAGE DID NOT REOCCUR. APU MAINT LIGHT REMAINED OFF. PERFORMED G/I OF APU AND APU OIL QUANTITY ADDED 1.0 QT. NO LEAKS DETECTED. STARTED ANApr 3, 2010 · N584AS · Boeing 737890SDR AALA20100324PHX01O-Ring · defectivePHX - INFLIGHT SFO-MIA. CREW REPORTED AUXILIARY POWER UNIT OIL QUANTITY ON EICAS STATUS THEN APU FAULT. LEFT ENGINE GENERATOR ALREADY ON PLACARD. FLIGHT DIVERTED PHX LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED O-RING ON BLANKING PLATE ONMar 23, 2010 · N392AN · Boeing 767323SDR ASAA1057571Oil Cooler · leakingDURING APU SERVICING APU APPEARS TO HAVE A OIL LEAK AFT AREA. FOUND APU OIL COOLER SATURATED WITH OIL. REMOVED AND REPLACED APU OIL COOLER OPS / LEAK CHECK GOOD REF AMM 49 91 41. PART EFFECTIVITY VERIFIED BY SEAMC. SEAMC NOTIFIED.Mar 22, 2010 · N558AS · Boeing 737890SDR HALA2010031600114Oil System · overservicedETOPS SIGNIFICANT SYSTEM - "APU FAULT" EICAS MESSAGE AFTER APU START ATTEMPT ON GND, SECOND ATTEMPT SUCCESSFUL. PERFORMED APU BITE CHECK PER FIM 49-11-00 FIG 103, NO FAULTS FOUND. INSPECTED APU, NO LEAKS NOTED FOUND APU OVER SERVICED, DRAINED APU OIL TO PROPMar 16, 2010 · N588HA · Boeing 7673CBSDR USAA2010030990550O-Ring · leakingFLT 117 - PHX - CABIN ODOR - STRONG ACRID DIRTY SOCK SMELL PERMEATING ENTIRE AIRCRAFT. SMELL ON GROUND IS LESS STRONG WITH PACK 2 TURNED OFF. MAINTENANCE FOUND LEAK AT APU TURBINE BEARING CAVITY VENT AND LUBE. REPLACED O-RINGS & GASKET IAW AIRBUS MAINTENANMar 8, 2010 · N672AW · Airbus A320232SDR USAA2010030990541Gasket · leakingFLT 117 - PHX - CABIN ODOR - STRONG ACRID DIRTY SOCK SMELL PERMEATING ENTIRE AIRCRAFT. SMELL ON GROUND IS LESS STRONG WITH PACK 2 TURNED OFF. MAINTENANCE FOUND LEAK AT APU TURBINE BEARING CAVITY VENT AND LUBE. REPLACED O-RINGS AND GASKET IAW AIRBUS MAINTENAMar 7, 2010 · N672AW · Airbus A320232SDR UALA2010030500777Oil System · leakingSMOKE IN CABIN, FLIGHT DIVERTED. APU AUTO SHUT DOWN: CHECKING OIL QTY AND INLET, AND APU COMPT. FOR LEAKS. APPROX 4 QUARTS OF OIL ADDED. STARTED APU, VAST QUANTITY OF SMOKE FROM TAIL PIPE. ODOR CAUSED BY APU OIL LOSS. APU DEFERRED INOP. PACK BURNOUT ACCOMPLISMar 5, 2010 · N819UA · Airbus A319131SDR AALA20100225MCI01Apu · contaminatedMCI - FLIGHT ATTENDANT REPORTED ON CLIMBOUT WHOOSHING AT AIR/CYCLING VALVE APPROXIMATELY EVERY 15 SECONDS AT SAME TIME STRONG FUMES AND SMOKE IN CABIN AND COCKPIT. APU WAS SHUTDOWN AND SMOKE INITIALLY CLEARED BUT STARTED BACK UP AGAIN AFTER 1 MINUTE. EMERGENFeb 25, 2010 · N70524 · Doug DC982SDR HALA2010022300070Switch · malfunctionedETOPS SIGNIFICANT SYSTEM - APU WILL NOT START GOT FAULT LT OIL QTY SHOWED, 25 AFTER SHUTDOWN. VISUALLY CHECKED APU OIL LEVEL, OIL LEVEL AT FULL, BITE CHK APU ECU LAST FLT LEG FAULTED LOW OIL PRESSURE. REMOVED AND REPLACED LOW OIL PRESSURE SWITCH IAW AMM RESFeb 23, 2010 · N588HA · Boeing 7673CBSDR MYWA100042Solenoid Valve · inoperativeETOPS SIGNIFICANT SYSTEM - APU GENERATOR KICKED OFF LINE DURING ENGINE START.Feb 22, 2010 · N753MA · Boeing 73748ESDR HALA2010021700065Filter · trippedETOPS SIGNIFICANT SYSTEM - FRM 49110300 APU WILL NOT START APU FAULT ILLUMINATED. BITE CK ECU FOUND (LOW OIL PRESS FAULT) CK MAG PLUGS NO METAL NOTED. REPLACED LOW OIL PRESS SWITCH COND SAME FOUND OIL FILTER DETA "P" POPPED. REMOVED FILTER REF FOR S/W MM49-Feb 17, 2010 · N588HA · Boeing 7673CBSDR UALA2010021500567Gearbox · leakingBAD ODOR ALL OVER CABIN AND COCKPIT. ACCOMPLISHED PACK BURN AND CHANGED RECIRC FILTERS. ODOR DISSIPATED ON PACK BURN. FOUND OIL LEAKING ON APU BETWEEN ACCY UNIT AND LOAD COMPRESSOR. CANNOT IDENTIFY LEAK LOCATION SPECIFICALLY DUE TO ACCESS. OIL LEAKING FROM GEAFeb 12, 2010 · N468UA · Airbus A320232SDR ASAA1057365Oil System · lowAPU MAINT LIGHT ILLUMINATED. ACCOMPLISHED APU BITE CHECK MAINT HISTORY SHOWED MAINT MESSAGE "49 91227 LOW OIL QUANTITY" CHECKED AND SERVICED THE APU OIL RESERVOIR. ADDED .6 QTS OIL STARTED APU, APU OPS CHECK GOOD. MAINT LIGHT NOT ILLUMINATED.Feb 9, 2010 · N577AS · Boeing 737890SDR NOCA01610Pressure Switch · inoperativeAPU FAILED TO START IN FLT ON 1ST ATTEMPT, 2ND ATTEMPT STARTED APU OK. BUT HAD AN AUTO SHUTDOWN AT FL 090 & FAULT LIGHT CAME ON. REPLACED APU ECU, PER AMM 49-61-05, LOADED APU TO 76 PERCENT OPS NORMAL STARTED AND RESTARTED 5 TIMES, OPS CHECK OK, AUTO SHUTDOWFeb 6, 2010 · N760NA · Boeing 76739HSDR 2010F00028Warning Light · illuminatedAFTER A NORMAL TAKE-OFF THE F1A AND F1B "IMPENDING FUEL FILTER BY-PASS" ANNUNCIATED ON THE NR2 EIED. AFTER LANDING THE APU OIL TEST WAS INITIATED AND THE LT ENGINE "CHIP DETECTOR" INDICATOR ILLUMINATED "YELLOW" DURING THE TEST. INDICATOR RETURNED TO GREEN UPOFeb 4, 2010 · N258QS · Amd FALCON2000SDR HALA2010020300049Filter · unknownETOPS SIGNIFICANT SYS - DURING ETOPS-1 CHECK FOUND APU PRESSURE AND SCAVENGE FILTER DPI POPPED. R & R APU OIL PRESSURE AND SCAVENGE FILTER, RESET DPI AND CHECKED CHIP DETECTOR, NO DISCREPANCIES FOUND, RAN APU DPI CHECKS OK APU SERVICED TO FULL, NO LEAKS NOTEDFeb 3, 2010 · N598HA · Boeing 767332SDR ASAA1057276Filter · defectiveAPU DELTA P INDICATOR MISSING FROM FILTER BOWL. REMOVED AND REPLACED OIL FILTER & BOWL ASSY ON APU. NO CONTAMINATION FOUND. OPS CHECK GOOD REF MM 49 91 12.Jan 21, 2010 · N579AS · Boeing 737890SDR ASAA1057275Sensor · faultyDURING CHECK FOUND APU FAULT MAINT MSG 49 94304 OIL LEVEL SENSOR SHOW CIRCUIT FAILURE. ACCOMPLISHED FIM TASK 49 90 00 810 811. WIRE HARNESS CHECK GOOD. REMOVED AND REPLACED OIL LEVEL SENSOR AS PRECAUTION REF MM 49 94 11. VERIFIED PART. SEAMC CONTACTED. OJan 21, 2010 · N579AS · Boeing 737890SDR MYWA100014Warning Light · illuminatedETOPS SIGNIFICANT SYSTEM - APU WOULD NOT START ON GROUND. LOW OIL PRESSURE LIGHT REMAINS ON.Jan 20, 2010 · N752MA · Boeing 73748ESDR USAA2010012090145Heater · defectiveFLT 373 - CLT - CABIN ODOR - STRONG "DIRTY SOCK" ODOR THROUGHOUT CABIN. ODOR ALSO NOTED ON JETWAY AFTER OPENING CABIN DOOR. MAINTENANCE REPLACED APU OIL HEATER PER AIRBUS MAINTENANCE MANUAL 49-96-51.Jan 18, 2010 · N659AW · Airbus A320232SDR VNAA2010011500007Oil System · lowCREW REPORTED AN APU OIL TEMP AMBER MESSAGE DURING CRUISE EN ROUTE FROM CLT TO XNA. AIRCRAFT DIVERTED TO BNA BECAUSE THE RT ENGINE INTEGRATED DRIVE GENERATOR (IDG) WAS ALREADY DEFERRED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE SERVICED THE APU OIL LEVEJan 8, 2010 · N260JS · Cndair CL6002B19SDR CHQA200900273Oil System · overservicedWITH THE NR 2 IDG ON MEL REQUIRING OPERATION OF THE APU DURING FLIGHT, THE CREW RECEIVED AN APU OIL TEMP MESSAGE ON EICAS. THE AIRCRAFT DIVERTED TO LIT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE APU OIL OVER SERVICED AND REMOVED EXCESS OIL TO THE CORDec 31, 2009 · N645BR · Cndair CL6002B19SDR C2XA09RI216Oil System · overservicedFLIGHT 2760 - YUL - FLIGHT CREW REPORTED BURNING ODOR WHEN PACK NR 1 SELECTED. EWR MX FOUND APU OIL OVER SERVICED. MX DRAINED EXCESSIVE OIL AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.Dec 12, 2009 · N13965 · Emb EMB145LRSDR USAA2009113093240O-Ring · brokenFLT 36 LAX - PHL - CABIN ODOR - DIRTY / MUSTY ODOR THROUGHOUT ENTRE AIRCRAFT ON GROUND WITH PACKS ON WHICH WORSENED AFTER TAKEOFF AND CLIMB. ODOR SLOWLY DISSIPATED DURING CRUISE BUT RETURNED ON DESCENT. ODOR CAUSED EYE AND THROAT IRRITATION TO ALL CREW MEMBENov 25, 2009 · N520UW · Airbus A321231SDR HNAA2009112400336Oil System · leakingWITH APU BLEEDS RUNNING, MISTY SMOKE VAPORS APPEARS IN CABIN. MX INSPECTED AND FOUND APU LOW AND LEAKING OIL.Nov 19, 2009 · N806EX · Dhav DHC8102SDR CA091102012Filter · crushed(CAN) FOUND APU LUBE OIL FILTER CRUSHED WHILE CARRING OUT TASK RJ9-49-360-706 (REPLACMENT OF OIL FILTER). FILTER REPLACED.Oct 27, 2009 · Cndair CL600*SDR ASAA0956869Indicator · activatedFOUND APU OIL FILTER DELTA P INDICATOR EXTENDED. REMOVED AND REPLACED APU OIL FILTER AND PERFORMED OIL FILTER INDICATOR SERVICING PER AMM 49 91 13. PERFORMED APU RUN-UP PER AMM 49 11 00, NO LEAKS NOTED AND DPI STAYED DEPRESSED.Oct 27, 2009 · N566AS · Boeing 737890SDR REXA200900119Oil System · leakingFLIGHT CREW RECEIVED AN LAV SMOKE WARNING AFTER THE BLEED AIR SYSTEM WAS TRANSFERRED TO THE APU. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE DETERMINED THAT THE APU WAS LEAKING OIL. THE APU WAS REPLACED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.Oct 15, 2009 · N8938A · Cndair CL6002B19SDR REXA200900117Oil System · leakingFLIGHT 4377 BNA/MEM - AT THE GATE WHEN BLEEDS WHERE TURNED ON CREW RECEIVED "LAV SMOKE" WARNING WITH VISIBLE SMOKE IN THE LAV AREA. MAINTENANCE INSPECTED AND FOUND THE APU TO BE LEAKING OIL CAUSING THE SMOKE. APU WAS DEFERRED PER MEL 49-10-11.Oct 11, 2009 · N8938A · Cndair CL6002B19SDR USAA2009100192687O-Ring · leakingFLT 64 - YVR-LAS - ODOR - FOUL MUSTY ODOR IN CABIN AND COCKPIT DURING CLIMB IN RAINY/HIGH HUMIDITY CONDITIONS. FOUND FOUL LEAK FROM LUBRICATION LINE. REMOVED AND REPLACED O-RING APU TURBINE CAVITY VENT PER AMM49-91-53. CLEANED APU BLEED DUCT FROM LOAD VALVESep 30, 2009 · N832AW · Airbus A319132SDR DL76L091560Bulb · faultyAPU FAULT AND SHUT DOWN 3 TIMES PRIOR TO PUSHBACK. BITE CHECK OF ECU SHOWS HIGH OIL TEMP. REMOVED AND REPLACED OIL TEMP BULB, RAN APU FOR ONE HOUR UNDER LOAD, APU CHECKS OK. TEMP BULB LEAK CHECKS OK. APU IN-FLT START REQUESTED.Sep 27, 2009 · N190DN · Boeing 767332SDR ASAA0956698Filter Element · defectiveAPU LUBE FILTER BUTTON INDICATOR EXTENDED DURING CHECK. REMOVED LUBE FILTER ELEMENT FOUND NO EVIDENCE OF CONTAMINATION FOUND. INSTALLED NEW FILTER ELEMENT AND REPLACED LUBE FILTER HOUSING ASSY DUE TO DAMAGE ON THE LUBE FILTER HOUSING. SECURED AND LEAK CHECKSep 25, 2009 · N585AS · Boeing 737890SDR ASAA0956519Indicator · poppedAPU LUBE FILTER HOUSING DELTA P INDICATOR EXTENDED. REMOVED FILTER ELEMENT NO CONTAMINATION FOUND. INSTALLED NEW ELEMENT AND REST DELTA P INDICATOR. RE-INSTALLED AND SECURED LUBE FILTER HOUSING. OPS CHECK GOOD, NO LEAKS NOTED REF MM 49 91 12. APU OIL ADDEDSep 2, 2009 · N559AS · Boeing 737890SDR A6WA200940515Line · failedAFTER LANDING, APU AUTOSHUTDOWN, "APU FAULT" AND "APU OIL PSI" CAS MESSAGES, THEN CABIN FILLED WITH SMOKE. REMOVED AND REPLACED APU (FOUND APU OIL LINE BLOWN OUT OF HOUSING). (K)Aug 29, 2009 · N401AW · Cndair CL6002B19SDR COMA2009082450187Sensor · faultyEN ROUTE FROM JFK TO CLE RECEIVED APU CAUTION MSG, APU OIL TEMP. EMERGENCY DECLARED, A/C DIVERTED TO PIT LANDED SAFELY. REMOVED AND REPLACED APU HIGH OIL TEMP SENSOR.Aug 21, 2009 · N934CA · Cndair CL6002B19SDR UALA2009082002558O-Ring · damagedHEAVY OIL SMELL IN CABIN WITH APU RUNNING. FOUND OIL FILTER HOUSING LEAKING, REPLACED O-RING, NO LEAKS NOTED. SERVICED APU TO FULL, REPLACED COALESCER BAGS AND RAN APU. OIL QUANTITY DROPPED TO 50 PERCENT.Aug 20, 2009 · N174UA · Boeing 747422SDR REXA200900105Apu · lack of lubeON APU START UP AT KDTW, THE GROUND CREW INFORMED THE CAPTAIN OF SMOKE COMING FROM THE REAR OF THE AIRCRAFT. THE FLIGHT CREW SHUT DOWN THE APU AND DEPLANED THE PASSENGERS. CFR WAS CALLED AND VERIFIED THERE WAS NO FIRE. MAINTENANCE INSPECTED THE AFT EQUIPMENAug 18, 2009 · N8884E · Cndair CL6002B19SDR ASAA0956385Filter Element · trippedREF T/C 78349013 APU OIL FILTER DELTA P INDICATOR OPENED/POPPED. REMOVED & REPLACED APU LUBE FILTER ELEMENT & RESET OIL FILTER INDICATOR REF MM 49 91 12, NO LEAKS NOTED.Aug 8, 2009 · N579AS · Boeing 737890SDR ASAA0956380Oil Cooler · leakingAPU OIL COOLER IS LEAKING OIL. REMOVED AND REPLACED APU OIL COOLER REF MM 49 91 41, LEAK CHECK GOOD ROTABLE PART VERIFIED BY SEAMC.Aug 6, 2009 · N564AS · Boeing 737890SDR VNAA2009081000004Oil Cooler · obstructedCREW REPORTED AT FL310 GOT AMBER "APU OIL PRESS" CAS FOLLOWED AMBER "APU OIL TEMP" CAS MSG. AIRCRAFT DIVERTED TO DAY AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND APU OIL COOLER OBSTRUCTED AND REMOVED AND REPLACED THE APU OIL COOLER PER THE AIRCRAFT MAINTENAug 5, 2009 · N241PS · Cndair CL6002B19SDR AALA20090804JFK01Oil Cooler · leakingGROUND INTERRUPT RESULTING IN RIGHT INTEGRATED DRIVE GENERATOR ON MEL. IN ROUTE TO MIA APU AUTO SHUT DOWN. AIRCRAFT DIVERTED INTO IAD AND LANDED WITHOUT INCIDENT. FOUND APU OIL COOLER LEAKING. REPLACED RIGHT INTEGRATED DRIVE GENERATOR, MPN 735874D HAMILTONAug 4, 2009 · Airbus A300B4605RSDR VNAA2009080700002Pressure Switch · failedCREW REPORTED AN APU OIL PRESSURE CAS MESSAGE AT FL 310 AFTER DEPARTURE FROM TYS. THE AIRCRAFT DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE APU LOW OIL PRESSURE (LOP) SWITCH AND PERFORMED CHECKS PER THE AIRCRAFT MAINTENANAug 3, 2009 · N241PS · Cndair CL6002B19SDR HALA2009080100343Oil Cap · leakingETOPS SIGNIFICANT SYS - APU HAD AUTO SHUTDOWN FAULT LIGHT ILLUMINATED EICAS MSG APU FAULT DISPLAYED. PERFORMED FIM 49-11-0 CHECKED FOR EXTERNAL OIL LEAKS. NO LEAKS NOTED. ECU FAULT LOW OIL PRESSURE. SERVICED 9 PINTS OIL. RAN APU 1HR 40 MIN NO CHANGE IN OILAug 2, 2009 · N597HA · Boeing 767332SDR HALA2009073100345Transmitter · failedETOPS SIGNIFICANT SYS - AFTER LANDING ATTEMPTED 1 APU START. APU FAILED TO START. CHECKED APU STATUS AND APU OIL QTY INDICATED "ADD". REPLACED APU OIL QUANTITY TRANSMITTER IAW AMM 49-94-04. OPS AND UP CK, LEAK CK, OK.Jul 31, 2009 · N591HA · Boeing 76733ASDR USAA20090727BB119Plenum · damagedFLT 1018. F/A REPORTED ODOR IN CABIN ACCOMPANIED BY HAZE, POSSIBLE AIR CONTAMINATION, IN CRUISE & DESCENT. NO CONTAMINATION OR ODOR NOTICED IN COCKPIT. LANDED WITHOUT FURTHER INCIDENT. ACFT INSPECTED & RELEASED FOR A MX FLT. APPROX 2 HOURS INTO FLT, 2L LAJul 27, 2009 · N921UW · Boeing 757225
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