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 HALA0800534Valve · malfunctionedETOPS SIGNIFICANT SYSTEM, APU AUTOSHUT DOWN AT GATE. PERFORMED APU BITE PROCEDURE PER 49-11-00. FOUND HIGH OIL TEMP FAULT. PERFORMED FIM "HIGH OIL TEMP" 49-11-00. REMOVED AND REPLACED OIL COOLER BYPASS VALVE PER 49-27-10. RESERVICED APU. GROUND RUN APU AApr 19, 2008 · N584HA · Boeing 7673G5SDR HNAA0800128Oil System · lowOIL SMELL IN CABIN. APU BLEED AIR ON. APU WAS FOUND TO BE LOW ON OIL.Apr 10, 2008 · N809EX · Dhav DHC8102SDR HALA0800503Oil System · lowETOPS SIGNIFICANT SYSTEM, ATTEMPTED APU START AFTER LANDING/FAULT LIGHT ILLUMINATED LOWER EICAS SHOWING "ADD" OIL. BITE CHECK ECU, NO FAULTS NOTED. SERVICED APU WITH OIL. GND RUN CHECK OKAY.Apr 7, 2008 · N591HA · Boeing 76733ASDR SWIA200819442Apu · leakingFLT 2666 - FUEL ODOR CAN BE NOTICED WHEN PACKS ARE OPERATING ON APU. CLEANED RESIDUAL FUEL IN THE APU COMPARTMENT AND AFT EQUIPMENT BAY. RAN AND INSPECTED APU FOR LEAKING. NO LEAKS NOTED. NO FUEL ODOR NOTED.Apr 4, 2008 · N407SW · Cndair CL6002B19SDR AALA200800765Apu · leakingDFW INFLIGHT T2034/30MAR - CREW REPORTED SMOKE IN CABIN DURING CLIMB. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED AUXILLIARY POWER UNIT ON 04 APR AT DWH DUE TO OIL LEAK. SYSTEM GROUND CHECKED NORMAL OPERATION.Mar 30, 2008 · N293AA · Doug DC982SDR CHQA200800068Oil Cooler · cloggedFLIGHT 5756, IAH TO SDF - DURING CRUISE, THE CREW RECEIVED AN APU HIGH OIL TEMPERATURE MESSAGE ON EICAS. THE FLIGHT DIVERTED TO LIT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU AND VERIFIED THE OIL WAS SERVICED TO THE CORRECT LEVEL. THE CONNECMar 30, 2008 · N466CA · Cndair CL6002B19SDR CA080404007Apu · leakingAPU AUTO SHUT DOWN WITH LOW OIL PRESSURE FAULT. OIL QTY RE-ADJUSTED AND APU STILL SHUT DOWN FOR LOW OIL PRESSURE. REPLACED OIL PRESSURE SWITCH AND APU STILL SHUT DOWN INTERMITTENTLY. AFTER TROUBLE SHOOTING WITH DIRECT OIL PRESSURE GAUGE FOUND OIL PRESSURE DMar 29, 2008 · Gulstm GIVSDR 2008UALA01812Engine · oil consumptionAPU HIGH OIL CONSUMPTION GENERATED RED ALERT. UNABLE TO DUPLICATE PROBLEM. APU HOC TROUBLE-SHOOTING DUE TO INCREASE APU OIL CONSUMPTION, ACCOMPLISH HIGH OIL CONSUMPTION TROUBLESHOOTING PER 777 FIM 49-20-00-810-818 TASK 818 PG252 REPAIR ALL LEAKS. 26MAR SFMar 29, 2008 · N787UA · Boeing 777222SDR CHQA200800062Oil Cooler · leakingFLIGHT 5601, IAH TO JAX - DURING CRUISE THE CREW RECEIVED AN APU OIL TEMP MESSAGE ON EICAS. THE PROPER QRH CHECKLISTS WERE FOLLOWED, AND THE FLIGHT DIVERTED TO PNS, WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU AND FOUND THAT IT WAS LOW ON Mar 28, 2008 · N466CA · Cndair CL6002B19SDR CHQA200800060Oil System · lowIAH TO ATL - AFTER LEVELING OFF IN CRUISE FLIGHT, THE CREW RECEIVED AN APU HIGH TEMP MESSAGE ON EICAS. AFTER FOLLOWING THE APPROPRIATE QRH CHECKLISTS THE FLIGHT DIVERTED TO MGM WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU AND FOUND IT WAS Mar 27, 2008 · N466CA · Cndair CL6002B19SDR HALA0800422O-Ring · pinchedETOPS SIGNIFICANT SYSTEM, EVIDENCE OF OIL LEAK BELOW APU. FOUND APU CAP O-RING PINCHED. REMOVED AND REPLACED O-RING. LEAK CK OK. SERVICED 1 PINT OF OIL.Mar 22, 2008 · N584HA · Boeing 7673G5SDR A6WA200840227Cap · faultyON TAXI OUT, STRONG BURNING ODOR FOLLOWED BY APU FAULT CAUTION AND APU AUTO-SHUTDOWN. COMPLIED QRH, PACKS SWITCHED TO 10TH STAGE BLEEDS AND ODOR DISSIPATED. TROUBLESHOT BURNING ODOR TO APU. APU OIL SERVICING CAP FOUND TO BE FAULTY. (M)Mar 19, 2008 · N436AW · Cndair CL6002B19SDR COMA0860181Warning System · malfunctionedFLIGHT 5539- RECEIVED APU OIL TEMP CAUTION MESSAGE. DECLARED EMERGENCY, DIVERTED TO CRW, LANDED WITHOUT INCIDENT. CHECKED APU OIL LEVEL AND PERFORMED OPS CHECK OF APU. NO FURTHER DEFECTS.Mar 19, 2008 · N597SW · Cndair CL6002B19SDR DHLA200800035Apu · leakingBEFORE FLIGHT 102 ON GROUND IN SFO, 3 CABIN SMOKE DETECTORS ILLUMINATED ON THE GROUND. ON INSP FOUND APU TO BE LEAKING OIL. INGESTED INTAKE, SMOKE DET OK IAW AMM 26-10-0 DEFERRRED IAW MEL 49-11-01 DMI NR 32097. AIRCRAFT WAS GROUNDED.Mar 18, 2008 · N362DH · Airbus A300B4203SDR ASAA0852709Filter · dirtyWHILE CHECKING APU OIL FOR PRE DEPARTURE CHECK FOUND RED OIL FILTER CLOGGING INDICATOR PROTRUDING FROM FILTER BOWL. PERFORMED BITE CHECK OF CDU NO CURRENT FAULTS. REPLACED APU LUBE OIL FILTER. FILTER CHECK GOOD. OIL FILTER INDICATOR CHECK GOOD. MAG DRAIN Mar 14, 2008 · N570AS · Boeing 737890SDR ASAA0852699Filter · cloggedAPU LUBE FILTER INDICATOR POPPED. REPLACED APU LUBE FILTER ELEMENT. LEAK CHECK GOOD.Mar 8, 2008 · N577AS · Boeing 737890SDR DXTA20082913Apu · overservicedWHILE RUNNING APU, ELECTRICS AND BLEED ON, RT WING O'HEAT ANN ILLUMINATED. RAN BOTH ENGINES W/APU ELECTRICS AND BLEED ON, O`HEAT ANN DID NOT ILLUMINATE, BUT STRONG BLEED AIR ODOR AND SMOKE FILLED THE AIRCRAFT. REMOVED APU BLEED AIR CHECK VALVE. NO DEFECTS FOMar 4, 2008 · N611QS · Cessna 560XLSDR ASAA0852693Filter · cloggedREFERENCE TASKCARD 78349013 APU OIL FILTER DELTA P POPPED. REPLACED FILTER RESET INDICATOR. LEAK CHECK GOOD.Mar 4, 2008 · N585AS · Boeing 737890SDR 2008FA0000152Pump · failed2 APUS WERE REPORTED LOP AUTO SHUTDOWN. HAVE RECEIVED APU P-195 AND P-141 FROM FOR THE SAME REASON OF REMOVAL. DISASSEMBLY OF THE ENGINES REVEALED LP ROLLER BEARING FAILURE. ONE OF THE ENGINE'S BEARING DID NOT HAVE LUBRICATION AT ALL. THE OIL PUMPS P/N 388099Mar 4, 2008SDR FAA030408001Pump · failed2 APUS WERE REPORTED LOP AUTO SHUTDOWN. DISASSEMBLY OF THE ENGINES REVEALED LP ROLLER BEARING FAILURE. ONE OF THE ENGINE'S BEARING DID NOT HAVE LUBRICATION AT ALL. THE OIL PUMPS P/N 3880998-1 WERE ROUTED TO BENCH TEST AND LOW PERFORMANCE WAS NOTED. DISASSEMBLMar 4, 2008SDR ASAA0852688Filter · cloggedOIL FILTER INDICATING SERVICING DUE. FOUND DURING TASKCARD 78349013. REPLACED OIL FILTER. OP & LEAK CHECK GOOD. DPI RESET.Feb 29, 2008 · N557AS · Boeing 737890SDR ASAA0852682Filter · cloggedMAINTENANCE CONTROL REQUEST TO INSPECT APU OIL FILTER DELTA P INDICATOR. DELTA P INDICATOR IS INDEED POPPED. REMOVED & REPLACED FILTER & DELTA P INDICATOR. OP & LEAK CHECKS OK.Feb 26, 2008 · N577AS · Boeing 737890SDR ASAA0852681Filter · cloggedAPU OIL FILTER DELTA P POPPED. REPLACED APU OIL FILTER. GROUND VERIFICATION ACCOMPLISHED DELTA P REMAINS IN.Feb 26, 2008 · N577AS · Boeing 737890SDR MASA200800164Oil System · overservicedFLT 7220 LAN-ORD, APU OVERTEMP FOLLOWED BY APU FIRE WARNING. FOUND APU OVER SERVICED. MX DESERVICED TO CORRECT LEVELS AND FOUND FIRE LOOPS GROUNDING OUT, REPOSITIONED LOOPS.Feb 25, 2008 · N37342 · Cndair CL6002B19SDR ASAA0852643Filter · cloggedWHILE PERFORMING TASKCARD 78349013 (APU OIL FLITER DELTA P INDICATOR) FOUND THE INDICATOR EXTENDED. ACCOMPLISHED OIL FILTER INDICATOR SERVICING. LEAK CHECK OK.Feb 24, 2008 · N558AS · Boeing 737890SDR NWAA080709751Oil System · overservicedTHE FLIGHT ATTENDANT AND PASSENGER BOTH REPORTED A BURNING ODOR IN THE CABIN. FLIGHT CONTINUED AS SCHEDULED AND LANDED AT MEM WITHOUT INCIDENT. MAINTENANCE INSPECTED EVERY POSSIBLE SOURCE OF FUMES ABOARD THE AIRCRAFT AND FOUND THE APU OIL OVER SERVICED. OILFeb 21, 2008 · N751NW · Doug DC941SDR DL764080251Line · leakingAPU LEAKING OIL AT SCAVENGE LINE FITTING TURBINE BEARING. REMOVED AND REPLACED APU PER TRANSMITTAL 14T102 OP AND LK CK OK.Feb 17, 2008 · N843MH · Boeing 767432ERSDR AALA200800310Magnetic Plug · leakingEWR INFLIGHT T1883/13FEB - CREW REPORTED SMOKE IN CABIN AFTER TAKEOFF. RETURNED TO EWR AND LANDED WITHOUT INCIDENT. FOUND AUXILLIARY POWER UNIT (APU) LEAKING OIL AT OIL TANK MAGNETIC PLUG. REPLACED O-RINGS ON MAGNETIC PLUG. SYSTEM GROUND CHECKED NORMAL OPEFeb 13, 2008 · N412AA · Doug DC982SDR AMTA200800068Oil Cap · looseAPU SHUTDOWN AFTER ENGINE SHUTDOWN AT THE GATE, APU FAULT LIGHT CAME ON. PERFORMED APU LAST RUN BITE FOUND LOW OIL PRESS FAULT, FOUND OIL CAP NOT SECURED, ADDED 4 QTS, RESECURED CAP, RAN APU, PERFORMED EXTERNAL LEAK NO LEAKS NOTED. APU OPS CHECK NORMAL. (K)Feb 9, 2008 · N518AT · Boeing 75723NSDR CHQA200800026Bulb · malfunctionedCLT TO IAH - APPROXIMATELY 40 MINUTES INTO THE FLIGHT THE CREW RECEIVED AN APU OIL TEMP MESSAGE ON EICAS. THE AIRCRAFT DIVERTED TO ATL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE SERVICED THE APU WITH OIL AND IT OPERATED NORMALLY, AND THE AIRCRAFT WAS RETUFeb 7, 2008 · N473CA · Cndair CL6002B19SDR CHQA200800023Oil System · lowIAH TO MCI - DUE TO THE NR 2 IDG BEING ON MEL THE APU WAS REQUIRED TO BE RUN DURING THE FLIGHT. WHILE EN ROUTE TO MCI, THE CREW RECEIVED AN APU OIL TEMP CAUTION MESSAGE. THE CREW FOLLOWED THE QRH AND DIVERTED TO TUL. MAINTENANCE INSPECTED THE APU AND FOUND Feb 4, 2008 · N473CA · Cndair CL6002B19SDR ASAA0852533Oil Filter · cloggedDURING TASKCARD 78349013, FOUND APU OIL FILTER DELTA P INDICATOR EXTENDED. REPLACED OIL FILTER. RESET INDICATOR. INSPECTED FILTER AND MAG PLUG. OP AND LEAK CHECKS GOOD.Feb 1, 2008 · N570AS · Boeing 737890SDR ASAA0852518Oil Filter · unknownAPU OIL FILTER DELTA P INDICATOR EXTENDED, REF TASKCARD 78349013. REMOVED AND REPLACED APU OIL FILTER AND RESET DELTA P INDICATOR.Jan 29, 2008 · N587AS · Boeing 737890SDR ASAA0852502Sensor · defectiveAPU MAINTENANCE ANNUNCIATION. REPLACED DEFECTIVE OIL LEVEL SENSOR.Jan 25, 2008 · N585AS · Boeing 737890SDR ASAA082502Sensor · defectiveAPU MAINTENANCE ANNUNCIATION. REPLACED DEFECTIVE OIL LEVEL SENSOR.Jan 25, 2008 · Boeing 737890SDR VNAA0801008Oil System · lowCREW REPORTED ON TAXI-OUT AN APU AUTO SHUTDOWN. CREW ELECTED TO RETURN TO THE GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND DEFERRED THE APU PER MEL 49-10-01-1. MAINTENANCE PROPERLY SERVICED THE APU OIL LEVEL IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE Jan 22, 2008 · N202PS · Cndair CL6002B19SDR DLM88080094Oil System · leakingSMOKE IN CABIN, FOUND APU OIL LEAKING INTO APU INLET. FOUND OIL LEAK AT ATTA POINTS FOR OIL FILL/SIGHT GLASS, SECURED BOLTS THAT WERE FOUND LOOSE AND REPLACED OIL CAP. LEAK CKS OK REF ITEM 004 NEXT LOG PAGE FOR DUCT BURN OUT OPERATION.Jan 19, 2008 · N927DA · Doug MD88SDR AMTA200800021Warning System · activatedAPU OIL QTY STATUS MSG DISPLAYED. (K)Jan 16, 2008 · N522AT · Boeing 75723NSDR SIMA200800901Apu · leakingON FLIGHT 4883, ON THE GROUND AT GATE CREW GOT THE LAV SMOKE ON EICAS. CREW REPORTED THAT THERE WAS SMOKE AND POSSIBLE FIRE IN LAV. EVACUATED AIRCRAFT BY STAIRS. FIRE DEPT INSPECTED AIRCRAFT AND FOUND NO EVIDENCE OF FIRE. AIRCRAFT REMOVED FROM SERVICE. SMJan 7, 2008 · N723AE · Emb EMB135LRSDR VNAA0801001Oil System · overservicedCREW REPORTED WHEN THE APU WAS TURNED ON FOR LANDING, IT CAUSED THE CABIN TO FILL WITH SMOKE. CREW FOLLOWED THE QRH, TURNED OFF THE APU AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE OIL LEVEL TO BE OVERSERVICED. MAINTENANCE PROPERLY SERVIJan 6, 2008 · N256PS · Cndair CL6002B19SDR ASAA0852445Filter · cloggedWHILE PERFORMING PDC FOUND APU OIL FILTER CLOGGED INDICATOR POPPED. REPLACED APU OIL FILTER AS REQUIRED. RAN APU. NO LEAKS, NO POPPED INDICATOR.Dec 31, 2007 · N585AS · Boeing 737890SDR HALA0700540Control Valve · malfunctionedETOPS SIGNIFICANT SYSTEM, APU AUTO SHUTDOWN. ACCOMPLISHED ECU BITE PER FIM 49-11-00 FIG 103. REPLACED TEMP BULB, CONDITION SAME, HIGH OIL TEMP DISPLAYED. REPLACED OIL TEMP CONTROL VALVE PER AMM 49-27-10, APU OPS CK OK.Dec 23, 2007 · N594HA · Boeing 767332SDR HALA0700534Seal · tornETOPS SIGNIFICANT SYSTEM, PRIOR TO WALKAROUND FOUND OIL ON APU DOOR. FOUND APU OIL CAP SEAL TORN. REPLACED OIL CAP SEAL. NO LEAKS OK TO CONTINUE SERVICED APU WITH 4 PINTS.Dec 19, 2007 · N584HA · Boeing 7673G5SDR 2007UALA05119Valve · shutdownAPU AUTO SHUTDOWN AT DEPARTURE. HIGH OIL TEMP. ALSO, APU OIL PRESSURE -3 PSI. REPLACED LUBE CLUSTER AND THERMAL BYPASS VALVE A/C OK FOR SERVICE.Dec 15, 2007 · N211UA · Boeing 777222SDR DXTA200702671Oil System · overservicedAFTER STARTING APU AND TURN-ON BLEED AIR CABIN BEGAN TO FILL WITH AN OILY ODOR. SHUTDOWN APU AND STARTED BOTH ENGINES AND SMOKE DISSIPATED AND DID NOT RETURN. RE-ENABLED APU. VISUALLY INSPECTED APU EXAUST AND EXTERNAL COMPONENTS. NO LEAK OR DEFECTS NOTED. Dec 11, 2007 · N389QS · Cessna 680CESDR ASAA0752340Filter · cloggedAPU OIL FILTER CLOGGED. REPLACED APU OIL FILTER.Dec 1, 2007 · N577AS · Boeing 737890SDR ASAA0752281Filter · dirtyWHILE PERFORMING "A" CHECK WORKCARD FOUND LUBE FILTER HOUSING DELTA P POPPED. REPLACED LUBE FILTER ELEMENT. RAN APU OPS NORMAL, LEAK CHECK GOOD.Nov 21, 2007 · N570AS · Boeing 737890SDR HALA0700492Oil System · lowETOPS SIGNIFICANT SYSTEM, UPON ARRIVAL, APU WOULD NOT START, OIL QUANT .75 QT. SERVICED APU OIL QTY (1 PINT) BITE CK. NO DEFECTS NOTED. LK CK OK. OPS CK GOOD.Nov 17, 2007 · N588HA · Boeing 7673CBSDR 07FDEA04796Oil System · leakingDURING TAXI OUT MAIN DECK CARGO SMOKE DETECTOR "B" LOOP INDICATED SMOKE. ECAM INDICATED SMOKE IN AFT COMPARTMENT. STOPPED AIRCRAFT AND COMPLIED WITH ECAM. WARNING EXTINGUISHED WHEN NR 2 PACK VALVE TURNED OFF. RETURNED TO GATE. MAIN DECK CARGO DETECTOR AFTNov 15, 2007 · N661FE · Airbus A300F4605RSDR ASAA0752210Filter Element · cloggedWHILE COMPLETING TASK CARD 78349013 APU OIL FILTER DELTA P INDICATOR INSPECTION FOUND FILTER INDICATOR EXTENDED. REPLACED APU FILTER ELEMENT IAW 49-91-13 & 78349013.Nov 7, 2007 · N570AS · Boeing 737890
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