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 USAA2014012700019O-Ring · leakingUPON ENTERING ACFT AS OUTBOUND CREW, CREW REPORTED A DIRTY SOCK SMELL, STRONG WHEN PACKS TURNED ON. MX COMPLIED WITH JOB CARDS 26L00021001, 26L00021002 & 26L00021004. FOUND APU NR 4 CAVITY VENT TUBES LEAKING. INSTALLED NEW O RINGS ON APU NR 4 BEARING CAVITY Jan 25, 2014 · N804AW · Airbus A319132SDR USAA2014012700005Oil System · overservicedDIRTY SOCK ODOR BEGAN DURING OR JUST AFTER NR 1 ENG START, NR 2 ENG NOT RUNNING. USING APU BLEED & CONTINUED THROUGH TAXI, TAKE OFF & CLIMB. ODOR DISSIPATED AFTER LEVEL OFF AT CRUISE, FL300, APPROXIMATELY 20 MIN AFTER TAKEOFF. APU WAS SHUT DOWN AFTER ENG 2 Jan 24, 2014 · N510UW · Airbus A321231SDR ASAA2014012012429Indicator · trippedDURING TC 78349013, FOUND APU OIL FILTER DELTA-P INDICATOR EXTENDED. ACFT GROUNDED. PERFORMED OIL FILTER INDICATOR SERVICING. MAG PLUG CLEAN, FILTER CLEAN R & R FILTER/ PACKINGS. OPS LEAK CHECK GOOD REF MM 49-91-13.Jan 20, 2014 · N413AS · Boeing 737990ERSDR ASAA2014011112374Oil System · lowAFTER APU START MAINT LIGHT CAME ON. ACFT GROUNDED. FOUND APU OIL TO BE LOW, SERVICED APU OIL, SEAM C JIM NOTIFIED, FAULT CLEARED.Jan 11, 2014 · N440AS · Boeing 737990ERSDR USAA2014010900004Packing · leakingFLIGHT ATTENDANT'S COMPLAINED OF ACRID DIRTY SOCK CABIN ODOR AFTER APU START & APU BLEED ON WHILE ACFT WAS PARKED AT GATE. ACCOMPLISHED JOB CARD 26L00021001 & DETERMINED APU TO BE THE SOURCE OF THE ODOR. FOUND THE APU NR 4 CAVITY VENT TUBES LEAKING. R & R AJan 8, 2014 · N803AW · Airbus A319132SDR ASAA2014010312315Filter · cloggedDURING A-CHECK, FOUND APU OIL LUBE FILTER DELTA P INDICATOR POPPED. ACFT GROUNDED. R & R APU OIL FILTER ELEMENTS, AND LEAK CK OK IAW AMM 49-91-12/401.Jan 3, 2014 · N563AS · Boeing 737890SDR ASAA2014010112299Filter · cloggedWHILE PERFORMING W/C 78349012, APU LUBE MODULE AND LINES GV INSPECTION FOUND THE MAIN OIL FILTER CLOGGING. INDICATOR POPPED. ACFT GROUNDED. UNABLE TO RESET OIL FILTER CLOGGING INDICATOR. R & R OIL FILTER HOUSING CLOGGING INDICATOR, REF MM 49-91-13-000-801,Jan 1, 2014 · N586AS · Boeing 737890SDR USAA2013123100007Oil System · overservicedFUME SMELL IN ACFT CABIN AFTER TAKEOFF. STARTED APU & SELECTED APU BLEED. FUMES WENT AWAY, FAINT DIRTY SOCK SMELL. REMOVED BOTH ENG SPINNERS & INSPECTED FOR OIL, NONE NOTED. REINSTALLED SPINNERS IAW AMM 72-21-00. FOUND APU INLET SEAL INSTALLED UPSIDE DOWNDec 30, 2013 · N741UW · Airbus A319112SDR ASAA2013122412226Filter · cloggedAPU OIL LUBE FILTER HAS CLOGGED INDICATION. ACFT GROUNDED. R & R APU OIL LUBE FILTER IAW AMM 49-91-13-600-801.Dec 24, 2013 · N529AS · Boeing 737890SDR ASAA2013122312231Fcu · leakingAPU OIL CONSUMPTION RATE CALCULATED AT .29 QPH THIS IS AN UNSATISFACTORY CONSUMPTION RANGE IAW AMM 49-11-00-710-802. ACFT GROUNDED. WITH APU RUNNING FOR 10 MINUTES, FOUND OIL LEAK, APPROX 20 DROPS IAW MINUTE AT THE WITNESS PORT, COMING FROM THE FUEL CONTROL/Dec 23, 2013 · N529AS · Boeing 737890SDR ASAA2013122012201Filter · failedFOUND APU OIL FILTER RED BUTTON, DELTA-P, EXTENDED. ACFT GROUNDED. R & R APU OIL FILTER IAW AMM 49-91-12. RESET APU OIL FILTER HOUSING RED BUTTON. NO OTHER DEFECTS, LEAK CHECK GOOD.Dec 20, 2013 · N423AS · Boeing 737990ERSDR USAA2013122300008Packing · leakingSTARTED APU ON LANDING IN PHX, TURNED ON APU BLEED & IMMEDIATELY STARTED SMELLING A DIRTY SOCK SMELL. R & R APU NR 4 TURBINE BEARING CAVITY VENT TUBES PRESS & RETURN LINE PACKING’S IAW AMM 49-91-53-000-001-A & 49-91-53-400-001-A. OPERATIONS & LEAK TESTED GOODec 20, 2013 · N828AW · Airbus A319132SDR ASAA2013121096711Oil System · lowAPU BLUE MAINT LIGHT ON. ACFT GROUNDED. APU HAS NO HISTORY FOR 30 DAYS AND SHOWS NO FAULTS. SERVICED APU OIL TO FULL BLUE MAINT LIGHT OFF.Dec 10, 2013 · N413AS · Boeing 737990ERSDR CALA2013120993537Solenoid · faultyAPU WILL NOT START HANGS AT 17% THEN AUTO SHUTS DOWN. AHM ASD RPT 14 INDICATES NO FLAME. HOWEVER DATA ALSO INDICATES POSSIBLE COLD SOAK, EGT NEVER GOT ABOVE -8C, OIL SUMP TEMP -18C & LCIT -16C. DRILL DOWN MCDU TO APU FAULTS CONDITION PG & NOTE LRU ID & TRODec 7, 2013 · N402UA · Airbus A320232SDR ASAA2013120796660Indicator · trippedAPU OIL FILTER DELTA P INDICATOR POPPED. ACFT GROUNDED. R & R APU OIL FILTER IAW AMM 49-91-13. REMOVED AND INSPECTED MAGNETIC CHIP DETECTOR, CHIP DETECTOR CLEAN. RUN AND LEAK CHECK APU, NO LEAK NOTED.Dec 7, 2013 · N508AS · Boeing 737890SDR USAA2013120600010Oil System · overservicedDURING DESCENT, CREW REPORTED AN ODOR THAT CONTINUED UNTIL ON GND. PERFORMED JOB CARD 26L00021001 & FOUND APU OVER SERVICED. DRAINED ONE HALF QUART OF OIL & ADJUSTED OIL LEVEL TO NORMAL. RAN NR 1 & NR 2 ENG. NO ODOR NOTED, PROGRAMMED ECS DECONTAMINATION JODec 5, 2013 · N829AW · Airbus A319132SDR ASAA2013120296589Warning Light · false activationAPU MAINTENANCE LIGHT ILLUMINATED, OIL LEVEL LOW. ACFT GROUNDED. PERFORMED APU OIL LEVEL INSPECTION FOUND, APU OIL NEAR FULL. REMOVED POWER FROM ECU, RESET BITE SHOWS NO FAULTS, OIL QTY FULL INTERMITTENT FAULT. OK FOR SERVICE.Dec 2, 2013 · N423AS · Boeing 737990ERSDR ASAA2013112996562Warning Light · false activationBLUE MAINTENANCE LIGHT ILLUMINATED UPON APU START. AIRCRAFT GROUNDED. WITH APU RUNNING CDU FAULT LOW OIL. SHUT APU DOWN, BLUE LIGHT AND FAULT WENT AWAY. APU OIL LEVEL IS FULL, RESTARTED APU, NO FAULTS NOTED. NO HISTORY PAST 60 DAY.Nov 29, 2013 · N435AS · Boeing 737990ERSDR ASAA2013112696545Oil System · lowMAINTENANCE BLUE LIGHT ILLUMINATED WHEN APU STARTED. ACFT GROUNDED. PERFORMED APU BITE TEST, FOUND FAULT CODE 49-91227 LOW OIL QTY FAULT. SERVICED APU OIL LEVEL TO FULL, LEAK CHECKED NORMAL. GROUND VERIFICATION OF APU, OPS CHECKED NORMAL.Nov 26, 2013 · N562AS · Boeing 737890SDR USAA2013112700011Oil System · overservicedDURING CRUISE, ON THREE OCCASIONS, AN UNKNOWN CHEMICAL TYPE SMELL WAS SMELLED BY ALL CREW FROM WHAT WE THOUGHT WAS THE DUCTING. SMELLED LIKE A TRACE OF OIL BURNING, THEN CEASED, ALL DURING CRUISE. ACCOMPLISHED JOB CARD 26L00021001. APU OVER SERVICED, SERVICNov 26, 2013 · N194UW · Airbus A321211SDR ASAA2013112496520Indicator · trippedINSPECTED APU OIL QUANTITY, FOUND LUBE FILTER RED INDICATOR EXTENDED. ACFT GROUNDED. R & R APU LUBE FILTER ELEMENT IAW AMM 49-91-12. LEAK CHECK GOOD, NO OTHER DEFECTS NOTED.Nov 24, 2013 · N593AS · Boeing 737890SDR USAA2013112500005Packing · leakingFLIGHT ATTENDANTS REPORTED A DIRTY SOCK SMELL IN REAR OF AIRCRAFT SHORTLY AFTER DESCENT OUT OF FL250, NO SMELL IN COCKPIT. MX COMPLIED WITH JOB CARDS 26L00021001, 26L00021002 & 26L00021004. FOUND OIL LEAK FROM APU STARTER CLUTCH COVER & ACCESSORY GEARBOX. RNov 23, 2013 · N649AW · Airbus A320232SDR USAA2013112500004Packing · damagedDIRTY SOCK SMELL AFTER CLIMB THRUST SET. FLIGHT RETURNED TO FIELD AT PHX & LANDED WITHOUT FURTHER INCIDENT. MX COMPLIED WITH JOB CARDS 26L00021001, 26L00021002 & 26L00021004 TO CORRECT & DECONTAMINATE. REPLACED APU OIL DRAIN PACKING OPERATIONS & LEAK CHECKNov 23, 2013 · N656AW · Airbus A320232SDR DXTA2013112205577Oil System · overservicedSIX MINUTES AFTER DEPARTURE, CLIMBING THRU 14,000 FT, WE NOTICED AN INTENSE BURNING ODOR. FLIGHT ATTENDANT SAW HAZE IN GALLEY & COCKPIT, SHE ALSO NOTICED SMOKE COMING OUT OF WEMACS. FOUND ECU WAS CONTAMINATED WITH OIL FROM OVER SERVICED APU. REMOVED ECU PACNov 21, 2013 · N213QS · Amd FALCON2000SDR VNAA2013111000006Oil System · lowCREW REPORTED APU SHUTDOWN UNCOMMANDED WHILE CLIMBING THROUGH ROUGHLY 24,000 FEET. RESTART OF APU ATTEMPTED AND RESTART FAILED. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MX INSPECTED APU AND FOUND OIL LEVEL TO BE LOW. MX SERVICED APU AND PERFORMED CHECKS INov 10, 2013 · N261PS · Cndair CL6002B19SDR HALA2013110500165Generator · crackedDUE TO "APU OIL QTY" ON STATUS PAGE "APU FAULT" MESSAGE ICAS PAGE. FOUND APU GEN HOUSING CRACKED. R & R APU GEN IAW AMM 24-21-01. SERVICED APU OIL IAW 12-13-04. OPS & LEAK CHECK OK DPI CKECK OK BPCU BIT CK OK.Nov 5, 2013 · N589HA · Boeing 76733ASDR CALA2013102992485Tube · leakingAPU OIL TUBE LEAKING 5 DROPS PER MINUTE. ITEM 60 IS THE TUBE THAT IS LEAKING. REPLACED TUBE IAW IPC 49-21- 04-51A. LEAK CHECKED GOOD, CLEANED EFFECTED AREAS IN APU COMPARTMENT.Oct 28, 2013 · N813UA · Airbus A319131SDR CALA2013102892411Line · leakingOIL ODOR IN CABIN. ON ARRIVAL, NOTICED STREAM OF SMOKE COMING FROM REAR TURBINE SECTION OF APU, FOUND OIL LINE AT 11 O'CLOCK POSITION AFT LEAKING. FWD LOOSE AT FITTING, OIL DRIPPING TO TURBINE CASE. SECURED FITTING, CLEANED EXCESS OIL, RAN APU FOR 30 MINUTOct 25, 2013 · N813UA · Airbus A319131SDR VNAA2013102500010Pressure Switch · failedCREW REPORTED APU OIL PRESSURE MESSAGE IN FLIGHT. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MX INSPECTED, REMOVED AND REPLACED APU LOW OIL PRESSURE SWITCH AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.Oct 25, 2013 · N230PS · Cndair CL6002B19SDR REXA2013102501780Oil System · leakingOIL DISCHARGE FROM PACK EXHAUST. ODOR IN COCKPIT DURING CLIMB. OIL COMING FROM APU OIL COOLER AIR INLET.Oct 25, 2013 · N801AY · Cndair CL6002B19SDR USAA2013102400012O-Ring · leakingTURNING ON APU BLEED AND SHUTTING MAIN CABIN AIR, CREW REPORTED A DIRTY SOCK ODOR FROM OVERWING TO COCKPIT. MAINTENANCE TROUBLESHOT AND FOUND APU TO BE THE SOURCE OF THE ODOR DUE TO AN OIL LEAK. PERFORMED HIGH POWER ASSURANCE TEST IAW JC 26L00071014. NO FOct 22, 2013 · N829AW · Airbus A319132SDR USAA2013FA0000601Oil System · leakingCABIN ODOR DURING TAXI OUT. FOUND APU LEAKING OIL, R & R APU.Oct 22, 2013 · N182UW · Airbus A321211SDR USAA2013101800007Oil Cooler · leakingCREW REPORTED A DIRTY MUSTY ODOR IN AFT CABIN. SHORTY AFTER, SMOKE DETECTOR FAULTED, ABOUT 10 MINUTES BEFORE LANDING. MAINTENANCE INSPECTED APU COMPARTMENT AND FOUND APU OIL COOLER LEAKING OIL. R & R APU OIL COOLER FAN ASSY IAW AMM 49-52-51. OPS AND LEAK COct 17, 2013 · N676AW · Airbus A320232SDR USAA2013093000024O-Ring · leakingCREW REPORTED THE CABIN FILLED WITH LIGHT WHITE SMOKE WHILE DEPLANING. PASSENGERS COMPLAINED ABOUT THE ODOR AND SMOKE. ENGINES HAD BEEN SHUTDOWN APPROXIMATELY 10 MINUTES. APU WAS RUNNING WITH THE APU BLEED SELECTED ON. GATE POWER INOP. MX COMPLIED WITH JC Sep 28, 2013 · N813AW · Airbus A319132SDR UIEA2013092700508Switch · unknownREPLACE APU OIL LEVEL SWITCH IAW ACTION PLAN 767-AP-7695. R & R APU OIL LEVEL SWITCH, IAW AMM; TASK 49-94-03-002-001, AND TASK 49-94-03-402-007.Sep 27, 2013 · N767MW · Boeing 767277SDR CALA2013092691488Oil Filter · faultyAPU CONTROL STATUS MESSAGE. FOUND MAINTENANCE MESSAGE 49-12990 IN MAT DF APU CONTROLLER FAULT IAW MEL. REF: FIM 49-20 & PERFORM TASK 813. FILTER ELEMENT(S) PCN: 265-0415 WITH PACKING 750-2671. REPLACED THE OIL FILTER IAW AMM 49-27-03P40A, STARTED THE APU & Sep 26, 2013 · N776UA · Boeing 777222SDR HALA2013091800118Fan · unknownAPU AUTO SHUTDOWN. R & R APU OIL COOLING FAN ASSEMBLY IAW AMM 49-50-01, LEAK AND OPS CHECKED GOOD.Sep 17, 2013 · N486HA · Boeing 717200SDR ASAA2013091395973Warning Light · false activationBLUE MAINTENANCE LIGHT ON APU. ACFT GROUNDED. ACCOMPLISHED BITE CHECK WITH MAINTENANCE LIGHT ON, MESSAGE LOW OIL QTY. SHUTDOWN APU. CHECK OIL QTY AT TANK, OIL TANK FULL. RESTARTED APU, MAINTENANCE LIGHT IS OUT AND BITE CHECK SHOWS OIL QTY FULL.Sep 13, 2013 · N413AS · Boeing 737990ERSDR ASAA2013091295965Oil System · lowAFTER APU START, MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED APU BITE RECEIVED MAINTENANCE MESSAGE 49-91227 LOW OIL QTY. SERVICED APU OIL REF MM 12-13-31. VERIFIED APU BITE SHOWS OIL QTY FULL.Sep 12, 2013 · N562AS · Boeing 737890SDR USAA2013091300020Oil System · overservicedCREW REPORTED AN ODOR IN CABIN. MX ACCOMPLISHED JC 26L00021001. SOURCE WAS FOUND TO BE APU OVERSERVICED. SERVICED APU OIL TO CORRECT LEVEL. ALSO, ACCOMPLISHED JC 26L00021002 AND FOUND VALVE, FIN 2577GM, LEAKING FROM FITTING. REPLACED PACKING IAW AMM 32-43-Sep 12, 2013 · N755US · Airbus A319112SDR CALA2013091191216Solenoid Valve · faultyLOST ELECTRICAL POWER & APU FAULT EICAS MESSAGE. R&R DEOIL SOLENOID VALVE, OPERATIONS CHECKED GOOD.Sep 9, 2013 · N652UA · Boeing 767322SDR CALA2013090991110Solenoid · leakingAPU INOPERATIVE DUE TO OIL LEAK. INSTALLED NEW DE-OILER SOLENOID IAW AMM. NO PACKING AT GEARBOX. NEED PCN 750-1183, NOT AT SANMM. PART IS MARKED FOR NEXT STATION. COMPLIED IAW MEL 4911E. REPLACED WITH NEW SEAL. OPERATIONS & LEAK CHECKED GOOD.Sep 6, 2013 · N551UA · Boeing 757222SDR USAA2013082800007O-Ring · leakingCREW REPORTED A DIRTY SOCKS ODOR COMING FROM PACKS ON DESCENT. MX R & R THE APU OIL SERVICE CAP O-RING. ALSO, FOUND APU OIL QUANTITY OVER FULL. DE-SERVICED APU TO CORRECT OIL LEVEL IAW AMM 49-90-00-600-001-A. DRAINED APPROXIMATELY .5 QUART FROM APU. COMPLIEAug 27, 2013 · N803AW · Airbus A319132SDR ASAA2013080695740Indicator · trippedDURING ETOPS PDC CHECK, FOUND OIL FILTER APU DPI POPPED. ACFT GROUNDED. PERFORMED OIL FILTER INDICATOR INSPECTION IAW MM 49-91-13, R & R FILTER IAW 49-91-12, NO DEBRIS FOUND IN FILTER. OIL FILTER INDICATOR RESET. APU STARTED, OPS CHECKED GOOD.Aug 6, 2013 · N583AS · Boeing 737890SDR ASAA2013080295731Indicator · activatedWHILE ACCOMPLISHING TASK CARD N8005001, FOUND APU OIL FILTER INDICATOR POPPED. ACFT GROUNDED. R & R APU OIL FILTER ELEMENT, AND SERVICED FILTER INDICATOR IAW AMM 49-91-13. OPS AND LEAK CK GOOD, NO DEFECTS NOTED.Aug 2, 2013 · N519AS · Boeing 737890SDR DXTA2013072905460Oil System · overservicedWITH APU ON, HAZY SMOKE FILLED CABIN WITH A CHEMICAL ODOR TO IT. INSPECTED APU, FOUND IT OVERSERVICED WITH OIL. REMOVED OIL AS REQUIRED IAW MM 12-11-03.Jul 28, 2013 · N580QS · Cessna 560XLSDR CHIR20130729001Nut · crackedAPU WAS REMOVED FROM ACFT FOR REPORTED "LOUD SCREECHING" AND OIL LEAKING FROM INLET. ONCE INLET HOUSING WAS SEPARATED FROM REDUCTION DRIVE HOUSING IT WAS NOTED THAT THE OIL SLINGER NUT WAS BROKEN & CRACKED.Jul 26, 2013 · N245CH · Boeing 234SDR USAA2013072300016O-Ring · leakingDURING SINGLE ENGINE TAXI, CREW REPORTED A STRONG AND IDENTIFED ODOR IN FLIGHT DECK AND IN CABIN - DIRTY SOCK ODOR. TRIED TURNING OFF APU BLEED WITH NO CHANGE. RETURNED TO GATE FOR MX. MX ACCOMPLISHED 26L00021001 AND FOUND APU TO BE SOURCE. R & R TURBINE VEJul 21, 2013 · N810AW · Airbus A319132SDR VNAA2013071500013B-Nut · looseCREW REPORTED A STRONG ODOR OF JET FUEL WHILE OPERATING ON APU BLEED SYS. MX INSPECTED, TIGHTENED B-NUT ON FUEL CONTROL SUPPLY LINE AND PERFORMED CHECKS ON APU USING AMM. NO LEAKS NOTED. ACFT RELEASED FOR SERVICE.Jul 15, 2013 · N258PS · Cndair CL6002B19SDR USAA2013071500003Oil Cap · looseACID SMELL ("DIRTY SOCKS SMELL") REPORTED BY CABIN CREW AND NOTICED BY CREW DURING TAXI OUT. FLIGHT RETURNED TO THE GATE. MX ACCOMPLISHED JC 26L00021001-TROUBLESHOOTING CABIN AIR QUALITY AND ACCOMPLISHED JC 26L00021002 - APU SMELL IN CABIN AND ACCOMPLISHED JCJul 12, 2013 · N621AW · Airbus A320231
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