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 ASAA201906249802Oil Filter · cloggedWHILE PERFORMING TASK CARD N8349002 W/O #457128 FOUND APU LUBE FILTER ELEMENT RED PIN EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE ELEMENT FILTER REF B737-800 AMM 49-91-12 PER TC N8349002 W/O #457128 STEP 1.D.(1)(B).Jun 22, 2019 · N594AS · Boeing 737890SDR AALA201906219009Oil System · overservicedAIRCRAFT WAS GROUNDED: CABIN ODOR, OIL ODOR AFTER APU COMPARTMENT OIL SPILL. MAINTENANCE FOUND APU GENERATOR INOPERATIVE. ACCOMPLISHED JOBCARD 26L00021004, DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM. MAINTENANCE ALSO REPLACED APU GENERATOR IAW AMM 24-23Jun 20, 2019 · N708UW · Airbus A319112SDR CA190625018Regulator · faulty(CAN) AIRCRAFT DIVERTED DUE TO APU OIL TEMP CAUTION MESSAGE IN FLIGHT APU OIL COOLER FOUND PARTIALLY BLOCKED. CORRECTIVE ACTION: APU OIL COOLER REPLACED (TC# 20190625018)Jun 19, 2019 · Cndair CL6002B19SDR CALA2019062201018Warning Light · false activationAT FL360, APU LOW OIL PRESSURE LIGHT ILLUMINATED AND APU SHUT DOWN. SVC APU TO FULL WITH 3 QTS, NO LEAKAGE OR SMOKING NOTED. OPS CKS GOOD.Jun 19, 2019 · N53442 · Boeing 737924ERSDR P5CA2019061800125Oil System · lowRECEIVED STATUS MESSAGE TO ADD APU OIL (MAGENTA ADD) (<P>CHECK NO OIL LEAK PER AMM 12-13-04. SERVICED APU OIL COND. CHECK NORMAL </P><P>(NOTE ADDED 02 QTS)</P>)Jun 17, 2019 · N644GT · Boeing 7673JHFSDR AALA2019061879030Seal · leakingAIRCRAFT WAS GROUNDED: CA REPORTED AN ACRID SMELL. WHEN QUESTIONED, FAS REPORTED STRONG ODOR BURNING WIRE IN THE CABIN. ALL FAS SOUGHT MEDICAL ATTENTION IN CLT DUE TO HEADACHES. PILOT REPORTED SMELL OF BURNT OIL ON TAKEOFF THROUGH CLIMB OUT, CLEARED AT CRUISE.Jun 16, 2019 · N559UW · Airbus A321231SDR ASAA2019061769712Sensor · inoperativeAPU OIL QTY READS UNKNOWN WITH APU SHUT DOWN. GROUNDED - YES. CHECKED OIL QTY ON APU SIGHT GAUGE AND FOUND OIL 2 QTS LOW. REPLACED OIL LEVEL SENSOR PER B737-900 AMM 49-94-11. LK AND OPS CK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.Jun 16, 2019 · N492AS · Boeing 737990ERSDR ASAA2019061769711Indicator · trippedAPU LUBE FILTER DELTA-P POPPED. GROUNDED - YES. INSPECTED LUBE FILTER, NO CONTAMINATION NOTED. REPLACED FILTER AND RESET DELTA-P, WHICH POPPED AGAIN DURING LK CK. REPLACED FAULTY LUBE FILTER HOUSING. WORK ACCOMPLISHED PER B737-900 AMM 49-91-12. LK AND OPS CKS Jun 16, 2019 · N492AS · Boeing 737990ERSDR HALA2019061800302Oil System · lowETOPS SIGNIFICANT SYSTEM - APU OIL SERVICE REQUIRED. APU OIL SERVICE CARRIED OUT. 3 US QTS ADDED. APU AREA INSPECTED. NIL LEAKS FOUND. OIL CAP CONFIRMATION CHECK CARRIED OUT, OK FOR SERVICE.Jun 14, 2019 · N379HA · Airbus A330243SDR DALA2019061803629Cooling Fan · leakingDIRTY SOCK ODOR @ LOW POWER SETTING, FOUND APU COMPARTMENT OILY, FOUND APU COOLING FAN LEAKING OIL, REPLACED FANJun 12, 2019 · N301DV · Airbus A321211SDR AALA2019061749014Cooling Fan · odorAIRCRAFT WAS GROUNDED: PILOT REPORTS SOF EVENT FROM DESCENT TO ARRIVAL AT THE GATE. THE FORWARD CABIN HAD A STRONG DIRTY SOCK LIKE ODOR. MAINTENANCE ACCOMPLISHED CARD 26L00001002 AND DETERMINED THE APU TO BE THE CAUSE OF THIS EVENT. MAINTENANCE REMOVED AND REPJun 12, 2019 · N716UW · Airbus A319112SDR CA190611011Regulator · faulted(CAN) APU OIL TEMP CAUTION MESSAGE IN FLIGHT. QRH DIRECTED TO LAND AT NEAREST SUITABLE AIRPORT IF UNABLE TO SHUTOFF APU. DIVERTED. APU NEVER SHUT DOWN AS EXPECTED WITH OIL TEMP CAUTION, REQUIRED MANUAL SHUTDOWN AT GATE. CORRECTIVE ACTION: REMOVED AND REPLACEJun 10, 2019 · Cndair CL6002B19SDR CA190612009Regulator · faulted(CAN) APU OIL TEMP IN CRUISE. APU WAS RUNNING DUE TO IDG MEL. CORRECTIVE ACTION: FOUND APU OIL COOLER TO BE CLOGGED AND APU COOLING FAN TO BE SEIZING. (TC# 20190612009)Jun 10, 2019 · Cndair CL6002B19SDR HALA2019060540274Oil System · lowETOPS SIGNIFICANT SYSTEM - ON TAXI IN APU ADVISORY LOW OIL LEVEL. // SERVICED APU OIL. NO LOW OIL LIGHT. OK TO CONTINUE.Jun 4, 2019 · N217HA · Airbus A321271NSDR UIEA2019052704302Pressure Switch · faultyWHEN DOING THE APU SHUFFLE AND APU BLEED VALVE SELECTED TO OFF, THE APU SHUTDOWN WITH A FAULT LIGHT. (<P>TRANSFERRED TO MDDR 112283 IAW DDG 49-11-01A CAT 'C'. </P><P>LP 1073282 - M3: T/S APU PER FIN 49-11-FT987. ECU CODE SHOWED FILTER SW (GEN), MCC NOTIFIED. PMay 27, 2019 · N1327A · Boeing 76737DSDR AALA201905299004Seal · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORT DIRTY SOCK SMELL UPON LANDING TILL ARRIVAL AT THE GATE. MAINTENANCE ACCOMPLISHED CARD 26L00021001 A320F SMOKE ODOR FUMES INITIAL TROUBLESHOOTING AND FOUND APU LUBE MODULE SEAL LEAKING. REPLACED SEAL IAW AMM 49-91May 27, 2019 · N716UW · Airbus A319112SDR ASAA2019052529488Filter Element · cloggedWHILE PERFORMING INSPECTION ON THE APU FOUND OIL FILTER INDICATOR FOR THE LUBE FILTER HOUSING EXTENDED OUT. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT PER AMM 49-91-12 AND REMOVED AND REPLACED OIL FILTER INDICATOR PER AMM 49-91-13 OPS CHECK GOOD.May 25, 2019 · N513AS · Boeing 737890SDR HALA2019052800255Oil System · leakingON DECENT STRONG SMELL OF DIRTY SOCKS COMING FROM VENTILATION SYSTEM. UPON INSPECTION FOUND EXCESSIVE OIL NEAR APU INLET DOOR. FOUND OIL LINE BACKED OFF. REPLACED PACKINGS AND REINSTALLED LINES. NO FURTHER LEAK NOTED FROM THAT LINE. AFTER RUNNING APU FOR SOME May 25, 2019 · N385HA · Airbus A330243SDR ASAA2019052029432Bypass Switch · faultyAPU FAULT LIGHT ILLUM. GROUNDED - YES. AIRCRAFT CHECKED AND RELEASED REF MEL 49-1B APU INOP DUE TO FAULT MSG STARTER GENERATOR OIL FILTER SHOWS CLOGGED. PERFORMED FIM 49-90 TASK 809 (STARTER GENERATOR OIL FILTER SHOWS CLOGGED). MAGNETIC PLUG INSPECTION GOOD, NMay 20, 2019 · N474AS · Boeing 737990ERSDR UIEA2019052104264Oil System · lowAPU FAULT DURING START. (<P>VISUALLY INSPECTED APU, FOUND APU OIL TO BE LOW. SERVICED APU OIL IAW AMM 12-13-04-613-001. NO FAULT LIGHTS, APU STARTS NORMAL. <BR /></P>)May 19, 2019 · N1499A · Boeing 767328SDR ASAA2019051729363Sensor · defectiveFOLLOW-UP TO REPORTS OF APU OIL BEING "FULL" WITH CDU REFLECTING "ADD" .PRI 2-. GROUNDED - YES. REMOVED AND REPLACED APU OIL LEVEL SENSOR IN REFERENCE TO AMM 49-94-11. OPS CHECKS GOOD.May 17, 2019 · N588AS · Boeing 737890SDR AALA201905179024Packing · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS STRONG ODOR DETECTED ON THE FLIGHT DECK DURING VARIOUS STAGES OF FLIGHT TAKE OFF AND CLIMB, NOTHING DURING CRUISE BUT AGAIN ON DESCENT ESPECIALLY ON APPROACH AND AFTER LANDING. DURING TAXI TO THE GATE SMELLED VERY STRONG LIMay 16, 2019 · N656AW · Airbus A320232SDR UIEA2019051504206Packing · damagedAPU FAULT AFTER LANDING.(<P>APU CAP IS DAMAGED, PLACED APU ON MDDR 111689 IAW B767 AMM 49-11-01A CAT 'C' DUE 5-25-2019. MCC NOTIFIED AND STICKERS INSTALLED. </P><P>LP 1079143 - 3: APU OIL STS MSG. NO OIL REQUIRED DUE TO DMI# 111689. MCC NOTIFIED. DMI REMAINS May 15, 2019 · N1499A · Boeing 767328SDR UIEA2019051504208Oil System · lowAPU FAULT.(<P>FOUND APU OIL LEVEL LOW. SERVICED APU OIL LEVEL TO FULL. REF LOG PG 1079140 ITEM M4. PERFORMED APU START PER AMM 49-40-00. OPS TEST NORMAL.</P>)May 15, 2019 · N1499A · Boeing 767328SDR YENA201905120271Oil Cooler · contaminatedFLT 1051, JFK-CUN. RETURNED TO FIELD. FUMES REPORTED AT 14:26 NY FA FROM 12 TILL AFT; FOUND ODOR PRESENT WHEN APU BLEED SELECTED ON. FOUND RESIDUAL OIL ON APU OIL COOLER. NO ACTIVE LEAKS NOTED. REF LOG PAGE 2514210 ITEM 2 FOR APU MEL. NO EVIDENCE OF EXTERNAL LMay 12, 2019 · N659JB · Airbus A320232SDR CA190522006Lubrication Unit · leaking(CAN) STRONG FUMES AFTER LANDING 5 SEC AFTER LANDING AFTER THE APU BLEED WAS SELECTED THEN DISSIPATED . RESOLUTION FOUND OIL LEAK FROM APU LUBE MODULE.APU OIL LUBE MODULE REPLACED AS PER AMM 49-91-45/401. DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM (EMay 10, 2019 · Airbus A321211SDR DALA2019051603085Oil Cooler · leakingOIL SMELL THRU ENTIRE CABIN + FLIGHT DECK, APU OIL COOLER FOUND TO BE LEAKING INTERNALLY THRU COOLING FINS, REPLACED APU OIL COOLER.May 10, 2019 · N324US · Airbus A320211SDR XCGA2019051400001Garlock Seal · leakingFLIGHT CREW REPORTED THAT SHORTLY AFTER TAKE OFF THEY GOT SMOKE IN THE COCKPIT. THEY SHUT THE APU DOWN AND THE SMOKE DISSIPATED. MAINTENANCE FOUND THE APU STARTER GARLOCK SEAL TO BE LEAKING, ALLOWING OIL TO MIGRATE INTO THE APU AIR INLET.May 8, 2019 · N560DR · Cessna 560XLSDR CA190513004Pressure Switch · failed(CAN) WHILE EN-ROUTE, FLIGHT HAD APU AUTO SHUT-DOWN AND DIVERTED FOR LANDING BECAUSE #2 ENGINE GENERATOR ALREADY UNDER MEL. FLIGHT ALSO DECLARED PAN PAN WITH ATC. RESOLUTION REMOVED AND REPLACED APU LOW OIL PRESS SWITCH IAW AMM 49-94-114-400-200A CHECKS GOODMay 7, 2019 · Airbus A319114SDR SWAA2019050732413Pressure Switch · failedDIVERSION, APU FAILED IN FLIGHT ABOVE 35,000 (WORKS ON GROUND). R&R LOW OIL PRESSURE SWITCH PER AMM.May 6, 2019 · N928WN · Boeing 7377H4SDR UIEA2019050104097Oil System · lowAPU FAULT EICAS MSG, APU DIDN'T START AFTER 3 ATTEMPTS.(<P>SERVICED THE APU WITH 1 QT. OPS CHECK GOOD IAW AMM 49-00-00.</P>)May 1, 2019 · N645GT · Boeing 767324SDR ASAA2019042929193Oil Cooler · leakingWHILE ACCOMPLISHING TSR FOR APU FREQUENT SERVICING FOUND A OIL LEAK NEAR THE AFT FITTING ON THE TURBINE SCAVENGE LINE. REF W/O 450930. GROUNDED - YES. REF FIM TASK 49-95 TASK 801 AND FOUND OIL COOLER LEAKING OIL COOLER REMOVED AND REPLACED OIL COOLER REF AMM 4Apr 29, 2019 · N583AS · Boeing 737890SDR ASAA2019042659144Sensor · failedAPU CLASS 2 MESSAGE GROUNDED - YES. R/R LOW OIL PSI SWITCH REF AMM 49-94-14-400-003-A THIS CLEARS MDDR 65992, LOG UPDATED MCC CORRY NOTIFIEDApr 25, 2019 · N281VA · Airbus A320214SDR AALA2019042299002O-Ring · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS FUMES SMELL IN AIRCRAFT. MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001. FOUND APU TO BE THE SOURCE OF ODOR. MAINTENANCE REPORTS THAT WHILE PERFORMING J/C 26L00021002 FOUND TURBINE CAVITY OIL LINES LEAKING, INSTALL NEW O-RIApr 18, 2019 · N647AW · Airbus A320232SDR ASAA2019041729031Oil Filter · cloggedWHILE ACCOMPLISHING TASK CARD N8349002 FOUND APU OIL FILTER RED INDICATOR EXTENDED. REQUIRES OIL FILTER INDICATOR SERVICING. GROUNDED - YES. ACCOMPLISHED OIL FILTER INDICATOR SERVICING REF B737-900 AMM 49-91-13. OPS AND LEAK CHECK GOOD.Apr 17, 2019 · N440AS · Boeing 737990ERSDR YENA2019042216204Apu · leakingFT # 629, RETURNED TO FIELD. DIRTY SOCK SMELL DURING TAKE OFF THRU 11000FT THEN STARTED TO DISSIPATE. SMELL STARTED AGAIN DURING APPROACH TO LANDING. EVIDENCE OF OIL LEAK AT APU LOAD COMPRESSOR DRAIN. R & R APU OPS & LEAK CHECK OK REF AMM 49-11-11 AIRCRAFT Apr 16, 2019 · N907JB · Airbus A321231SDR CA190415017Scavenge Pump · failed(CAN) APU HAD AN EICAS FAULT AND WOULD NOT START. AFTER EXTENSIVE TROUBLESHOOTING DETERMINED THE OIL SCAVENGE PUMP HAD SHEARED INTERNALLY. PUMP WAS REPLACED AND APU RETURNED TO SERVICE. (TC# 20190415017)Apr 13, 2019 · Boeing 7572B7SDR AALA201904169003Oil Cooler · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS DIRTY SOCK ODOR FROM COCKPIT TO AFT CABIN STARTED AFTER T.O. AND FOR 40 MIN INTO FLIGHT. MAINTENANCE FOUND THE OIL COOLER LEAKING AND DETERMINED THAT WAS THE CAUSE OF THIS EVENT. REMOVED AND REPLACED THE APU OIL COOLER IAW Apr 13, 2019 · N667AW · Airbus A320232SDR AALA2019041659014Oil Cooler · leakingAIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR FROM COCKPIT TO AFT CABIN STARTED AFTER TAKEOFF AND FOR 40 MINUTES INTO FLIGHT. MAINTENANCE FOUND APU OIL COOLER LEAKING PER JOB CARD 26L00021001 AND REPLACED APU OIL COOLER AND PERFORMED SATISFACTORY OPERAITONAL CHECK PEApr 13, 2019 · N667AW · Airbus A320232SDR AALA201904109929Oil System · leakingAIRCRAFT WAS GROUNDED: SHORTLY AFTER TAKE OFF, BURNING TYPE ODOR WAS NOTICED IN COCKPIT AND THROUGHOUT CABIN. COULD NOT IDENTIFY SOURCE. AIR-RETURN FOR PRECAUTINARY LANDING. AGENT MEETING FLIGHT NOTICED ODOR UPON OPENING 1L DOOR. MAINTENANCE ACCOMPLISHED CARD Apr 8, 2019 · N9630A · Doug MD83SDR AALA201904099028Cooling Fan · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS ON DECENT AT 6K ENG IDLE PSI 2.6 CABIN 500 FT PACKS ON BLEEDS NORMAL (DIRTY SOCKS SMELL FOR REMAINDER OF FLT). MAINTENANCE ACCOMPLISHED ODOR CARDS AND FOUND THE APU OIL COOLER FAN LEAKING. THE PLENUMS WERE FULL OF OIL AND AApr 7, 2019 · N109UW · Airbus A320214SDR UIEA2019040803823Oil System · lowAPU FAULT EICAS DURING APU START AFTER LANDING, ATTEMPTED 2 STARTS.(<P>FOUND APU OIL LOW. APPLIED 1 QT OF OIL INTO THE APU PER AMM 12-10-00. OPS CHECK OK.</P>)Apr 7, 2019 · N1439A · Boeing 76733ASDR UIEA2019040543770Seal · leakingWHILE SERVICING OIL, FOUND OIL LEAKING FROM THE APU BEARING SEAL AREA DRAIN. REMOVED AND REPLACED APU IAW W/O 49976. OPS CHECKED GOOD. INSTALLED APU GENERATOR IAW 24-21-01. OPS CHECKED GOOD. APU COLD SOAK START VERIFICATION ACCOMPLISHED SATISFACTORY.Apr 3, 2019 · N1709A · Boeing 767375SDR HALA201904043169Oil System · lowETOPS SIGNIFICANT SYSTEM - APU LOW OIL INDICATED ON APU ECAM PAGE. SERVICED APU TO FULL PER AMM 12-13 NO EXTERNAL LEAKS NOTED.Apr 3, 2019 · N389HA · Airbus A330243SDR HALA2019040300161Filter · not reportedETOPS SIGNIFICANT SYSTEM - ON LANDING /TAXI-IN APU FAULT AUTO SHUTDOWN. // REMOVED + REPLACED APU GENERATOR SCAVENGE OIL FILTER AND LUBRICATION OIL FILTER PER AMM 49-91-41-960-801-A. NO LEAKS OR FAULTS NOTED. OKAY FOR SVC. PERFORMED OPS TEST OF THE APU PER AMApr 2, 2019 · N361HA · Airbus A330243SDR UIEA2019040503804Packing · wornAPU HAS OIL LEAK IN THE VICINITY OF THE FILL CAP. FOUND OIL CAP PACKINGS WORN. REMOVED AND REPLACED APU OIL TANK CAP PACHINGS PER AMM 12-13-01-613-001. OPERATED APU & NO LEAKS NOTED.<BR /></P>)Apr 1, 2019 · N641GT · Boeing 76738ESDR ASAA2019040128870Oil System · lowAFTER FLIGHT APU START FAILED DUE TO LOW OIL PRESSURE LIGHT. GROUNDED - YES. ETOPS OIL SYSTEM SERVICED. PERFORMED APU BITE. NO FAULTS IN CURRENT STATUS, FAULT AND MAINTENANCE HISTORIES IAW FIM 49-60 TASK 801. CHECKED APU OIL LEVEL AT APU, CHECKED FULL REF B737Apr 1, 2019 · N464AS · Boeing 737990ERSDR UIEA2019040103738Oil System · lowAPU FAULT ON TAXI IN(<P>PERFORMED TEST OF APU ECU ONLY FAULT NOTED WAS LOW OIL IAS AMM 49-61-01 SERVICED OIL IAS AMM 12-13-04 NO FURTHER FAULT NOTED OK AT THIS TIME</P>)Mar 31, 2019 · N1409A · Boeing 767306SDR HALA201904043170Oil System · lowETOPS SIGNIFICANT SYSTEM - AFTER STARTING APU OBSERVED LOW OIL LEVEL ECAM. SERVICED APU AS REQUIRED 4 QTS ADDED,APU LOW OIL LEVEL LIGHT EXTINGUISHED. AIRCRAFT OKAY TO CONTINUE.Mar 30, 2019 · N389HA · Airbus A330243SDR AALA201904021901Cooling Fan · leakingAIRCRAFT WAS GROUNDED: FAS REPORTED MUSKY ODOR ON TAKEOFF, THEN AGAIN FOR AROUND 5 MINUTES DURING LANDING. MAINTENANCE FOUND APU OIL COOLER FAN ASSEMBLY LEAKING OIL. REMOVED AND REPLACED OIL COOLER FAN ASSEMBLY IAW AMM 49-52-51. OPS & LEAK CHECKS OK. ACCOMPLISMar 30, 2019 · N544UW · Airbus A321231
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