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 AALA20160505004Pressure Switch · leakingAIRCRAFT WAS GNDED. DURING BOARDING THE CABIN BEGAN TO FILL WITH SMOKE. APU AIR WAS TURNED OFF. FOUND THE APU LOW OIL PRESS SWITCH LEAKING. R & R SWITCH & ACCOMPLISHED LEAK CHECK IAW AMM 49-90-03. SYS CHECKED NORMAL.Apr 26, 2016 · N439AA · Doug DC983SDR CALA2016042500247Oil System · lowAT FL 400 ATTEMPTED TO START APU 10 HRS INTO FLIGHT. APU WOULD NOT START. APU HANGS BETWEEN 30-50%, 3 ATTEMPTS ALL FAIL. APU MX MSG NR 49-10291 NOT ACTIVE. PERFORMED ASSOCIATED FIM TASK VISUALLY INSPECTION APU, NO LEAKS NOTED. SERVICED APU WITH 1QT OIL. Apr 23, 2016 · N26909 · Boeing 7878SDR HALA2016042400031Oil Cooler · blockedAIRCRAFT RETURNED TO DEPARTURE DUE TO APU FAULT LIGHT ILLUMINATED AT TOP OF CLIMB DURING AN APU VERTIFICATION FLIGHT. APU WAS SHUTDOWN. FOUND OIL COOLER BLOCKED ON INLET SIDE. REPLACED APU AIR OIL COOLER AND REGULATOR AIR OIL.Apr 23, 2016 · N380HA · Airbus A330243SDR HALA2016042300118Oil Cooler · blockedAIR TURN BACK, APU VERIFICATION FLIGHT. APU FAULT ILLUMINATED AT TOP OF CLIMB. SHUT DOWN APU IAW ECAM AND RETURNED TO DEPARTING STATION, REPLACED APU AIR OIL COOLER AND REGULATOR AIR OIL IAW AMM 49-91-44. OPS CK OK. ACFT OK FOR CONTINUED SERVICE. OIL COOApr 23, 2016 · N580HA · Airbus A330243SDR HALA2016042300115Oil Cooler · damagedAIR TURN BACK, APU VERIFICATION FLIGHT. APU FAULT ILLUMINATED AT TOP OF CLIMB. SHUT DOWN APU IAW ECAM AND RETURNED TO DEPARTING STATION. REPLACED APU AIR OIL COOLER AND REGULATOR AIR OIL IAW AMM 49-91-44. OPS CK OK. ACFT OK FOR CONTINUED SERVICE. OIL COOLApr 23, 2016 · N380HA · Airbus A330243SDR AALA201604099003O-Ring · leakingAIRCRAFT WAS GNDED. FLIGHT ATTENDANTS REPORTED BURNING SOCK ODOR STARTING ON DESCENT. FOUND APU TURBINE BEARING CAVITY LUBRICATION LINE O RINGS LEAKING & REPLACED THEM IAW 49-91-53. A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODOR BEINGApr 7, 2016 · N827AW · Airbus A319132SDR ASAA2016040516251Oil Filter · cloggedAPU OIL LUBE FILTER, RED INDICATOR HAS EXTENDED, POPPED. ACFT GROUNDED. R & R APU LUBE FILTER, RESET, RED INDICATOR BUTTON, IAW AMM 49-91-12. OPS CHECK AND LEAK CHECK GOOD. NO DEFECTS NOTED.Apr 5, 2016 · N477AS · Boeing 737990ERSDR AALA201603189007Oil Cooler · leakingAIRCRAFT WAS GNDED. ON GND WITH APU BLEED ON, SMELL OF DIRTY SOCKS. AFTER APU SHUTDOWN & ONCE WE REACHED CRUISE ALTITUDE, SMELL DISSIPATED & WENT AWAY. FOUND THE APU LEAKING OIL AT THE APU OIL COOLER, THE APU OIL COOLER FAN SATURATED WITH OIL & REPLACED THEMar 17, 2016 · N832AW · Airbus A319132SDR UIEA2016031500167Transmitter · leakingSWITCH 8TJ99GGE1 WITH OIL LEAK IN GEAR BOX OF APU. R & R OIL TRANSMITTER IAW 49-94-04 & SERVICED APU OIL. ACCOMPLISHED OPERATIONS CHECK & LEAK CHECK NORMAL, NO LEAKS. R & R CONNECTOR IAW AMM 49-94-03 & 49-94-04.Mar 15, 2016 · N641GT · Boeing 76738ESDR AALA201603169004O-Ring · damagedAIRCRAFT WAS NOT GNDED. CREW REPORTS MUSTY SMELL AT GATE. STRONGER ON TAKEOFF. FOUND APU CHIP DETECTOR LEAKING, REPLACED THE O RINGS & ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. ACCOMPLISHED TASK CARDS 26L00021001, 26L00021004. DECONTAMINATION ACCOMPLMar 15, 2016 · N174US · Airbus A321211SDR 2WAA20160314002Line · leakingAT FL 320, CABIN BEGAN TO FILL WITH SMOKE. DECLARED AN EMERGENCY FOLLOWED QRH, DIVERT. PERFORMED EXTENSIVE T/S IAW AMM 49-90-00, FOUND LINE LOOSE AT APU OIL PRESSURE SENSOR. RESECURED OIL LINE IAW AMM 20-12-01, OPS CHECKED NORMAL IAW AMM 21-20-00, NO ODOR NMar 13, 2016 · N802WA · Doug DC983SDR AALA201603099003Oil System · leakingAIRCRAFT WAS GNDED. WITH APU BLEED ON, EXTREME MUSTY DIRTY SMELL REPORTED. MX NOTED THE APU WAS WET WITH OIL & REPLACED IT IAW TASK CARD 26L31049005, ACCOMPLISHED DECONTAMINATION CARDS 26L0021001, 26L00021002 & 26L00021004 WITH NO ADDITIONAL ODORS NOTED. ACMar 8, 2016 · N653AW · Airbus A320232SDR AALA201602299003Packing · damagedAIRCRAFT WAS GNDED. DIRTY SOCK SMELL WITH APU BLEED AIR ON. FOUND OIL LEAKING FROM THE OIL PUMP CAVITY VENT OIL LINE UNION, CORRECTED BY REPLACING A DEFECTIVE PACKING IAW AMM 49-91-45 & OIL LEAKING FROM THE TURBINE BEARING CAVITY VENT TUBES, WHICH WAS CORRECFeb 28, 2016 · N659AW · Airbus A320232SDR AALA201602289002O-Ring · leakingAIRCRAFT WAS GNDED. AFTER ENG START ON TAXI, BAD CABIN ODOR, BURNING PAX & CREW EYES. REPLACED APU TURBINE CAVITY VENT O RINGS IAW MM 49-91-53. ACCOMPLISHED TASK CARDS 26L00021001, 26L00021002, 26L00021004 & AN APU WASH IAW AMM 45-00-00-100-001A, LEAK CHECKFeb 24, 2016 · N653AW · Airbus A320232SDR COZA20160226077Pressure Switch · failedDURING APU START, APU LOW OIL PRESSURE LIGHT ILLUMINATED AND APU AUTO SHUTDOWN. TROUBLESHOOTING USING THE FAULT ISOLATION MANUAL FOUND THE LOW OIL PRESSURE SWITCH FAILED. REPLACED THE SWITCH, OPS CHECK NORMAL.Feb 22, 2016 · N737KA · Boeing 7377BXSDR AALA20160222007Seal · leakingAIRCRAFT WAS GNDED. DURING CLIMB SLIGHT SMELL & HAZE NOTICED. RECIRCULATION FAN & ENG HEAT TURNED OFF. SMELL & HAZE DISSIPATED. AT TOP OF DESCENT RECIRCULATION FAN TURNED BACK ON & SMELL REOCCURRED. FOUND BAD SEAL ON APU OIL CAP. R & R SEAL & ACCOMPLISHEFeb 16, 2016 · N7548A · Doug DC982SDR AALA201602159007Filter Housing · leakingUPON TURNING ON APU BLEED AIR, STRONG SMELLING AIR FILLED ACFT COCKPIT TO AFT GALLEY. NOT DE-ICING FLUID SMELL. PERFORMED TC 26L00021001. FOUND APU GEN SCAVENGE FILTER HOUSING LEAKING OIL AT MOUNTING FLANGE TO GEAR BOX. REPLACED APU IAW TASK CARD 26L31049Feb 12, 2016 · N825AW · Airbus A319132SDR AALA201602159005Packing · leakingAIRCRAFT WAS GNDED. FLIGHT ATTENDANT'S REPORTED HAVING A HEADACHE FROM A DIRTY MUSTY SOCK SMELL DURING CLIMB & DESCENT. FOUND THE APU STARTER PAD LEAKING OIL, REPLACED THE PACKING & ACCOMPLISHED A SATISFACTORY LEAK & OPERATIONAL CHECK IAW AMM 49-42-51.Feb 12, 2016 · N713UW · Airbus A319112SDR CA160210002Oil System · leaking(CAN) DURING GROUND OPERATION APU BEGAN TO VIBRATE WITH OIL SMOKE FROM EXHAUST. APU AUTO SHUT DOWN CARRIED OUT. APU CHIP DETECTOR REMOVED, FOUND CONTAMINATED WITH FERROUS CHIPS AND FUZZ, OIL NOTED LEAKING FROM PLENUM DRAIN. APU REMOVED FROM AIRCRAFT AND SENT Feb 8, 2016 · Lear 45LEARSDR AALA201602059021Oil System · overservicedAIRCRAFT WAS NOT GNDED. ON TAKEOFF OILY SMELL IN COCKPIT & MILDLY IN CABIN. CLIMBING, ODOR DISSIPATED AT 8000 FT. ON APPROACH ODOR REOCCURRED THROUGH LANDING, THEN DISSIPATED ON TAXI IN. PERFORMED JC 26LOOO21001, FOUND APU TO BE OVER SERVICED. CORRECTED AFeb 4, 2016 · N703UW · Airbus A319112SDR CA160209001Oil System · leaking(CAN) PRIOR TO PUSHBACK CREW REPORTED SLIGHT SMOKE AND HAZE IN THE CABIN. ISSUE RELATED TO APU BLEED AIR. APU WAS SHUTDOWN AND HAZE DISSIPATED. REAR EXIT DOOR OPENED TO VENTILATE AIRCRAFT. SYSTEM DEFERRED PER MEL 49-50-01 AND AIRCRAFT DEPARTED WITHOUT FURTHER Jan 30, 2016 · Bombdr DHC8400SDR HNAA2016012500021Oil System · overservicedBURNING ODOR COMING FROM APU BLEEDS. INSPECTED APU COMPARTMENT WITH NO DEFECTS OR SIGNS OF ANYTHING BURNED. FOUND APU OIL SLIGHTLY OVER SERVICED. DRAINED OIL TO PROPER LEVEL. RAN APU BLEEDS FOR 30 MINUTES WITH NO BURNING ODOR NOTICED. OK FOR SERVICE.Jan 25, 2016 · N808EX · Dhav DHC8101SDR UIEA2016011500019Switch · faultyAPU FAULT & APU BATTERY DISCHARGE EICAS MSG. AFTER LANDING APU START IAW MEL 49-11-1B. REPLACED LOW OIL TEMP SWITCH IAW AMM 49-27-14. OPERATIONS CHECKED NORMAL.Jan 14, 2016 · N645GT · Boeing 767324SDR AALA201601149008Packing · leakingDIRTY SOCK SMELL WHEN APU ON & PACKS SELECTED ON. MX FOUND THE NR 4 CAVITY VENT TUBES LEAKING ON APU & REPLACED O RING PACKING’S. ACCOMPLISHED A SATISFACTORY LEAK & OPERATIONAL CHECK IAW AMM 49-91-53.Jan 13, 2016 · N656AW · Airbus A320232SDR UIEA2016011400016Oil System · lowAPU FAIL TO START IN FLIGHT AT FL 350, TRIED AGAIN TO START APU AT FL 200, FAILED, TRIED A THIRD START AT 7000 FT, START FAILED. ENG CONTROL UNIT STORED FAULT, ABORTED START NO LIGHT OFF. SERVICED APU WITH 0.5 QTS OF OIL IAW AMM 12-14-03. OPERATIONS CHECK &Jan 13, 2016 · N645GT · Boeing 767324SDR AALA201601139008O-Ring · leakingAIRCRAFT WAS GNDED. STRONG OILY SMELL, ODOR THROUGHOUT CABIN & COCKPIT. FOUND THE OIL COOLER TO GEARBOX LINE O RINGS LEAKING WHICH WERE REPLACED. A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED. SEE AALA201601119010 & AALJan 10, 2016 · N182UW · Airbus A321211SDR AALA201601139007Seal · leakingAIRCRAFT WAS GNDED. STRONG OILY SMELL ODOR THROUGHOUT CABIN & COCKPIT. FOUND THE APU INLET ELBOW SEAL LEAKING OIL, WHICH WAS REPLACED & A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED. SEE AALA201601119010 & AALA2016011390Jan 10, 2016 · N182UW · Airbus A321211SDR AALA201601119010O-Ring · leakingAIRCRAFT WAS GNDED. STRONG OILY SMELL ODOR THROUGHOUT CABIN & COCKPIT. FOUND THE APU, OIL PRESS SENDING UNIT O RING LEAKING OIL WHICH WAS REPLACED & A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED. SEE AALA201601139007 & AJan 10, 2016 · N182UW · Airbus A321211SDR VNAA2015122900018Apu · oil consumptionCREW REPORTED APU OIL TEMPERATURE AND PRESSURE AMBER MESSAGES SHORTLY AFTER DEPARTURE. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, SERVICED APU OIL AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.Dec 29, 2015 · N259PS · Cndair CL6002B19SDR N6WA2015122801Oil System · lowAPU OVERTEMP MASTER WARNING IN FLIGHT, NR 2 IDG ALREADY DEFERRED. INSPECTED APU IAW AMM 49-10-00, SERVICED APU OIL IAW AMM 12-13-49 & INSPECTED APU THERMOCOUPLE WIRING IAW AMM 49-61-03, NO FAULTS NOTED. OPERATIONS CHECKED GOOD.Dec 28, 2015 · N369CA · Cndair CL6002C10SDR AALA201512289008Seal · leakingAIRCRAFT WAS NOT GNDED. MUSTY ODOR EMANATES FROM AC SYS, DURING ALL FLIGHT PHASES. USED APU BLEED FOR TAKEOFF. FOUND OIL LEAK IN APU AREA. REPLACED LUBE & SCAVENGE SEALS IAW AMM 49-91-41.Dec 26, 2015 · N122US · Airbus A320214SDR UIEA2015121700743Oil System · lowAPU FAULT EICAS DURING APU START, APU DID NOT START. INSPECTED APU OIL QTY, FOUND APU OIL LOW, SERVICED APU OIL TO PROPER LEVEL IAW AMM 49-27-00, NO LEAKS NOTED. APU OPERATIONS CHECKED NORMAL.Dec 15, 2015 · N645GT · Boeing 767324SDR AALA20151129001Carbon Seal · leakingAT GATE WITH CREW ON BOARD & BEFORE PAX BOARDING, THE CABIN FILLED WITH SMOKE, WHICH MOVED INTO THE JET BRIDGE IN CONJUNCTION WITH A REDUCTION IN APU OIL QTY & FOLLOWED BY APU AUTO SHUTDOWN. R & R APU IAW MCM WC 49-94-11. OPERATIONAL & LEAK CHECKED GOOD. ANov 29, 2015 · N760AN · Boeing 777223SDR DALA2015112107247Gearbox · leakingPILOT REPORTED VERY STRONG ODOR, CHEMICAL LIKE, PRESENT IN CABIN AND COCKPIT UPON BOARDING AND ALL OF FLIGHT. IRRITATING TO EYES, CAPTAIN, AND VERY BOTHERSOME. APU GENERATOR OIL DRAIN PLUG DRIPPING ON TO PLENUM. REPLACED SEAL WASHER, FOUND OIL LEAKING FROM Nov 20, 2015 · N352NW · Airbus A320212SDR UIEA2015111600654Oil System · lowAPU START FAULT, 3 ATTEMPTS. ADDED .3 QTS OF OIL & OPERATIONS CHECKED OK IAW AMM 49-00-00.Nov 15, 2015 · N645GT · Boeing 767324SDR AALA201511169003Oil System · overservicedSTRONG CABIN ODOR DETECTED ON THE ACFT BY THE FLIGHT CREW. OIL SMELL APU RUNNING WITH APU BLEED ON. SMELL IN COCKPIT & ALL CABIN. FOUND APU OVER SERVICED. ACCOMPLISHED JC 26L00021001, 26L00021002 & 26L00021004.Nov 10, 2015 · N816AW · Airbus A319132SDR 2WAA20151106001Oil System · overservicedFLIGHT ATTENDANTS & PAXS REPORTED SMELLING SMOKE, PRECAUTIONARY DIVERSION. PERFORMED E & E VISUAL INSPECTION, NO DEFECT NOTED IAW 05-21-01 601. PERFORMED TAIL CONE AREA VISUAL INSPECTION, NO DEFECT NOTED IAW 05-21-01 501. PERFORMED BOTH ACM VISUAL INSPECTIONov 6, 2015 · N803WA · Doug DC982SDR AALA201510299006Packing · leakingSMELL OF OIL FOR A SHORT PERIOD OF TIME DURING CLIMB & DECENT, SMELL TOWARD FRONT OF ACFT. FOUND APU OIL COOLER FAN LEAKING OIL, REPLACED PACKINGS. ACCOMPLISHED A SATISFACTORY LEAK CHECK IAW AMM 49-52-51.Oct 25, 2015 · N804AW · Airbus A319132SDR ASAA2015102013487Warning Light · false activationAPU MAINT LIGHT CAME ON AFTER START. ACFT GROUNDED. PERFORMED APU BITE PROCEDURE FOUND "MAINT LIGHT FOR LOQ ON" ACCOMPLISHED LOW OIL QTY BITE DEACTIVATION PROCEDURE. "MAINT LIGHT FOR LOQ OFF" SHOWS ON CDU. REF AMM 49-61-00, APU OPERATIONAL.Oct 20, 2015 · N479AS · Boeing 737990ERSDR CALA2015102094599Pressure Switch · faultyAPU AUTO SHUTDOWN EN-ROUTE, RESTART NO GOOD. REPLACED OIL PRESS SWITCH & CONFIRMED OIL QTY SERVICED TO FULL.Oct 17, 2015 · N496UA · Airbus A320232SDR DALA2015092805853Oil System · leakingTHE FLIGHT RETURNED TO DEPARTURE FOLLOWING THE AFT LAVATORY SMOKE DETECTOR SOUNDING AND THE F/A SMELLING SMOKE. MAINTENANCE FOUND THE APU LEAKING OIL. THE APU WAS REPLACED, APU AND A PNEUMATIC SYSTEM DUCT BURNOUT WAS ACCOMPLISHED.Sep 25, 2015 · N937DL · Doug MD88SDR P5CA2015091500140Filter · cloggedAPU FAULT EICAS; LIGHT AT 95 PERCENT RPM DURING APU START, FOLLOWED FIM 49-11, FT995, FOUND LUBE FILTER DPI POPPED OUT IAW AMM 49-27-03, R & R LUG; GEN SCAVENGE FILTER ELEMENTS IAW AMM 49-11-00, OPS CHECKED NORMAL, OIL LEVEL NORMAL AMM 12-13-04.Sep 15, 2015 · N643GT · Boeing 7673JHFSDR P5CA2015091400138Warning Light · false activationAPU FAULT LIGHT AT APROXIMATELY 95 PERCENT AFTER LANDING, START ATTEMPT, 2 START ATTEMPTS UNSUCCESSFUL. APU SHOWED LOW OIL PRESSURE PERFORMED APU BITE THEN TEST RESULT NO FAULTS. ERASED FAULT MEMORY. RESTARTED APU THEN OPS CHECK OK. OIL LEVEL OK BY SIGHT GSep 14, 2015 · N643GT · Boeing 7673JHFSDR AALA201509149007Oil Cooler · leakingDIRTY & MUSTY CABIN SMELL DURING TAXI-IN, AFTER TURNING ON APU BLEED WITH SINGLE ENG TAXI. FOUND THE TURBINE CAVITY VENT SEALS LEAKING & REPLACED IAW AMM 49-91-53. ALSO THE APU OIL COOLER WAS FOUND TO BE LEAKING & WAS REPLACED IAW AMM 49-91-44. PLEASE SEE ASep 13, 2015 · N809AW · Airbus A319132SDR AALA201509149004Seal · leakingDIRTY MUSTY CABIN SMELL DURING TAXI-IN, AFTER TURNING ON APU BLEED WITH SINGLE ENG TAXI. FOUND THE TURBINE CAVITY VENT SEALS LEAKING. REPLACED IAW AMM 49-91-53. ALSO THE APU OIL COOLER WAS FOUND TO BE LEAKING & WAS REPLACED IAW AMM 49-91-44. PLEASE SEE AASep 13, 2015 · N809AW · Airbus A319132SDR AALA201509139006Pump · defectiveDIRTY SOCK ODOR IN CABIN ON DECENT. REPLACED THE OIL PUMP IAW AMM 49-91-45-0401.Sep 12, 2015 · N658AW · Airbus A320232SDR ASAA2015091113005Oil System · lowMAINT LIGHT ON APU ILLUMINATED AFTER APU STARTED. ACFT GROUNDED. FOUND APU OIL 1 QT LOW. SERVICED APU OIL REF AMM 12-13-31. GROUND VERIFICATION CHECK OF APU GOOD. NO BLUE MAINTENANCE LIGHT ON START UP.Sep 11, 2015 · N513AS · Boeing 737890SDR AALA201509129002Fan · leakingCABIN ODOR AFTER APU BLEED ON. FOUND OIL IN THE APU INLET & REPLACED THE APU OIL COOLER FAN. ACCOMPLISHED A SATISFACTORY LEAK & OPERATIONAL CHECK IAW AMM 49-52-51.Sep 8, 2015 · N651AW · Airbus A320232SDR VNAA2015083100039Warning Message · false activationCREW REPORTED APU OIL PRESSURE CAS MESSAGE DURING CRUISE FLIGHT. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE VERIFIED APU OIL LEVEL AS FULL AND OIL PRESSURE SENSOR CONNECTOR. NO DEFECT FOUND. CHECKS PERFORMED BY MAINTENANCE IAW AMM. COULD NOT DAug 31, 2015 · N244PS · Cndair CL6002B19SDR AALA201508289013Cooling Fan · leakingFLIGHT 683 EN-ROUTE. DIRTY SOCK SMELL, FLIGHT ATTENDANTS REPORT MOSTLY ON DESCENT & GND. FOUND APU OIL COOLER FAN LEAKING REF LOG PAGE 3123656. R & R APU OIL COOLER FAN IAW AMM 49-52-51. R & R BEARING CAVITY PACKING IAW AMM 49-91-53. COMPLIED WITH JC 26L0Aug 26, 2015 · N652AW · Airbus A320232
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