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 MALA090014Oil System · overservicedWHILE APPROACHING KFAR AT 8000 FT CREW SWITCHED TO APU BLEEDS. THEN OBSERVED A LAV SMOKE INDICATION, AND PUFFS OF SMOKE IN COCKPIT AND CABIN. CREW WENT THROUGH THE NON-NORMAL CHECKLIST AND INFORMED ATC OF AN EMERGENCY SITUATION. EMERGENCY EQUIPMENT WAS DISPJan 20, 2009 · N8976E · Cndair CL6002B19SDR COMA2009012050064Oil Cooler · leakingEN ROUTE FROM BHM TO LGA RECEIVED APU OIL PRESSURE MSG. A/C DIVERTED TO TRI, LANDED SAFELY. FOUND APU OIL COOLER LEAKING. R&R APU OIL COOLER.Jan 14, 2009 · N964CA · Cndair CL6002B19SDR ASAA0954207Housing · defectiveFOUND APU OIL FILTER INDICATOR EXTENDED. GROUNDED YES. PERFORMED MAGNETIC DRAIN PLUG INSPECTION PER MM 49 91 81 200 801 NO METAL PARTICLES FOUND. REPLACED LUBE FILTER ELEMENT PER MM 49 91 12. PERFORMED LEAK CHECK. LEAK CHECK GOOD. FILTER INDICATOR WOULD NJan 14, 2009 · N566AS · Boeing 737890SDR ASAA0954157Filter Element · poppedAPU LUBE FILTER ELEMENT DELTA-P EXTENDED, GROUNDED, YES. APU LUBE FILTER REMOVED AND REPLACED IAW AMM 49 91 13 MAGNETIC CHIP DETECTOR, CHK GOOD. LEAK CHECK ON MCD AND FILTER BOWL GOOD.Jan 5, 2009 · N583AS · Boeing 737890SDR ASAA0954132Housing · damagedAPU LUBE FILTER HOUSING DAMAGED, GROUNDED, YES. REMOVED AND REPLACED APU LUBE FILTER HOUSING AND LUBE FILTER INDICATOR IAW MM 49-91-13 AND 49-91-12 SEAM, NOTIFIED FOR PARTS VERIFICATION.Jan 3, 2009 · N570AS · Boeing 737890SDR HALA2009010300002Bypass Valve · leakingETOPS SIGNIFICANT SYSTEM - APU LEAKING OIL. REMOVED AND REPLACED APU OIL COOLER BYPASS VALVE BASE PACKINGS PER AMM 90-27-10. SERVICED APU PER AMM 12-13-04. OPS AND LEAK CHECK OK.Jan 3, 2009 · N584HA · Boeing 767300SDR UIEA200900001Apu · leakingON TAXI IN APU OIL CONSUMPTION WAS HIGH AND THERE WAS A STRONG ODOR OF OIL WHEN USING THE APU. THE APU WAS PLACED ON MEL DEACTIVATED PER 49-01.Dec 30, 2008 · N355MC · Boeing 747341SDR ASAA0854113Indication Sys · trippedAPU OIL FILTER BUTTON POPPED. REQUIRES OIL FILTER INDICATOR SERVICING REF MM 49 91 13 PB 301 GROUNDED YES. ACCOMPLISHED OIL FILTER IND. SERVICE. LEAK/IND CHKS GOOD.Dec 25, 2008 · N559AS · Boeing 737890SDR DL76G081779Switch · unserviceableAPU WON`T START REPOSITION FROM PAD TO GATE 6. T/S PER FIM AUTO SHUTDOWN GEN FILTER ON BITE. REMOVED AND REPLACED GEN DIFF PRESS SWITCH PER AMM. RAN APU, OPS NORMAL. T/S PER FIM AUTO SHUTDOWN GEN FILTER ON BITE. REMOVED AND REPLACED GEN DIFF PRESS SWITCH Dec 22, 2008 · N1609 · Boeing 767332SDR UALA2008122306967Sensor · failedAPU SHUTDOWN AT GATE FOR LOW OIL QTY MAT FAULTING OIL QUANTITY-SUMP TEMPERATURE SENSOR. REPLACED APU OIL QTY-SUMP SENSOR. OPS CHECK NORMAL. NO MESSAGES.Dec 22, 2008 · N227UA · Boeing 777222SDR AALA200803095Oil System · leakingINFLIGHT, CREW REPORTED SMOKE IN CABIN AND SMELLED LIKE BURNED RUBBER. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. FOUND APU OIL LEAK ON LEFT SIDE WITH INGESTION INTO AIR CONDITIONING SYSTEM. REPLACED APU ON 13 DEC AT DFW. SYSTEM GROUND CHECKED NORMAL OPEDec 12, 2008 · N556AA · Doug DC982SDR AALA200803086Apu · leakingDFW INFLIGHT - CREW REPORTED SMOKE IN CABIN. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. FOUND APU OIL IN PNEUMATICS. REPLACED APU ON 11DEC AT DFW DUE TO OIL LEAK. REPLACED BOTH LEFT AND RIGHT HEAT EXCHANGER AND CONDENSER. REPLACED BOTH LEFT AND RIGHT OZDec 11, 2008 · N766AN · Boeing 777223SDR DXTA2008120703392Seal · leakingFOUL ODOR COMMING OUT OF ENVIROMENTAL SYS. REMOVED APU IAW MM 49-10-00. BUILT UP NEW APU IAW MM 49-10-00. OK TO INSTALL REPAIRED APU. INSTALLED APU AND APU STARTER/GEN. IAW MM 49-10-00.Dec 7, 2008 · N640QS · Cessna 560CESSNASDR ASAA0853940Filter · unknownJUST PRIOR TO PUSH APU LOW OIL PRESS LIGHT ON THEN APU SHUT OFF PERFORMED FIM TASK 49-60-00-810-801 MX MSG 49-91007 LOP 49-91005 HIGH OIL TEMP SHUTDOWN. PERFORMED FIM 49-90-00-810-803 FOR LOW OIL PRESS. REMOVED AND REPLACED LOW OIL PRESS SWITCH REF AMM 49 94Dec 1, 2008 · N557AS · Boeing 737890SDR DLM88081653Line · looseON DEPARTURE WITH TAKEOFF POWER SELECTED CREW NOTICED SLIGHT ODOR IN COCKPIT SMELLED LIKE OVERHEATED DUCTS NOT ELECTRICAL, BRAKE OR TIRES. AFTER LANDING PASSENGERS TOLD F/A THAT THEY SAW HAZE AND ODOR IN AFT CABIN. AFTER TAKEOFF ODOR DISSIPATED AFTER 1 MINUTNov 26, 2008 · N919DL · Doug MD88SDR UALA2008112606678Switch · faultyAPU SHUTDOWN AGAIN, FAULT LIGHT ON UNSUCCESSFUL RESTART. REPLACED APU CONTROLLER. REPLACED GEN OIL FLTR DELTA P SWITCH, TWICE (24NOV AT IAD & 26NOV AT ORD).Nov 25, 2008 · N654UA · Boeing 767322SDR HALA2008112500874Bypass Valve · malfunctionedETOPS SIGNIFICANT SYSTEM - BTB - APU SHUTDOWN ON TOW OUT. BITE CK ECU FOUND OIL TEMP HOT FAULT. REPLACED OIL COOLER BYPASS VALVE PER MM49-27-10 REF FIM 49-11-00.Nov 25, 2008 · N581HA · Boeing 76733ASDR UALA2008111806548Oil Filter · cloggedAPU APUC DETECTED FAULT THAT WOULD CAUSE AUTOMATIC SHUTDOWN OF APU IN UNATTENDED MODE OPERATION, OR COMPLETE LOSS OF APUC BUS ACTIVITY (BOTH L AND R 629) FOR 3 SECONDS AFTER THE APU MASTER CONTROL SWITCH HAS BEEN IN THE ON POSITION FOR TEN SECONDS. STATUS MSGNov 17, 2008 · N204UA · Boeing 777222SDR HALA2008111600858Bypass Valve · failedETOPS SIGNIFICANT SYSTEM, APU HAD AUTO SHUTDOWN, FAULT LIGHT ILLUMINATED AND EICAS MSG APU FAULT DISPLAYED. TROUBLESHOT PER FIM 49-11-00 FIG 110. FOUND BAD OIL COOLER BYPASS VALVE. REMOVED AND REPLACED VALVE PER AMM 49-27-10, OPS AND LEAK CKS GOOD.Nov 16, 2008 · N598HA · Boeing 767332SDR HALA2008111500857Seal · wornETOPS SIGNIFICANT SYSTEM, STATUS MESSAGE "APU OIL QTY" ON TAXI IN. APU RUNNING WHEN SHUT DOWN, MSG WENT AWAY. OIL QUANTITY LOW. RESERVICED OIL OPS CHECK GOOD NO LEAKS NOTED PER REF 49-11-00 FIG 116. FOUND OIL CAP RING WORN AND COCKED AND NOT SECURED PROPERNov 15, 2008 · N596HA · Boeing 767332SDR DLM88081536Seal · wornSMOKE IN CABIN AND COCKPIT. RTB - SMOKE DISSIPATED ON LANDING FOUND APU INLET CONTAMINATED WITH ENG OIL 042620, PERFORMED OP 5088. FOUND APU OIL CAP SEAL WORN. REPLACED SAME. RAN APU LEAKS NOTED. PERFORMED OP 5089. PNEUMATIC SYS DUCT BURN.Nov 12, 2008 · N963DL · Doug MD88SDR USAA920082021Gearbox · leakingLOGPAGE NR 8393492 FLT NR 2036 DCA-BOS OTHER CABIN ODOR IS MAKING PASSENGERS SICK. APU LEAKING OIL AT GEARBOX / COMPRESSOR FLANGE.Nov 5, 2008 · N715UW · Airbus A319112SDR HALA2008110300841Oil System · lowETOPS SIGNIFICANT SYSTEM - "APU FAULT" EICAS, APU WILL NOT START AFTER LANDING. INSPECTED APU FOUND OIL CAP SECURE BUT OIL LEVEL LOW. SERVICED 3PT OIL. SECURED OIL CAP PER ETOPS 2 PROCEDURE & RAN APU. NO LEAKS NOTED. BITE CHECK PER 49-11-00/101 FIG 103 OKNov 3, 2008 · N597HA · Boeing 767332SDR ASAA0853688Indicator · activatedRED BUTTON ON APU OIL FILTER INDICATOR HAS EXTENDED ACCOMPLISHED OIL FILTER INDICATOR SERVICING. REF AMM TASK 49 91 13 PB 301.Nov 2, 2008 · N579AS · Boeing 737890SDR UALA2008111306354Line · leakingACRID SMELL RETURNED ON TAKEOFF AND CLIMB GOT BETTER AT ALTITUDE NOW JUST MILD. SMELL GETS BETTER WITH CABIN FANS OFF AND PACK IN HIGH FLOW. FOUND BRAIDED OIL LUBE LINE AFT SIDE OF GEARBOX ON APU LEAKING OIL INTO AREA OF APU INLET, AND CAUSING OIL SMELL. ACNov 1, 2008 · N447UA · Airbus A320232SDR 2008UALA06354Line · leakingACRID SMELL RETURNED ON TAKEOFF AND CLIMB GOT BETTER AT ALTITUDE NOW JUST MILD. SMELL GETS BETTER WITH CABIN FANS OFF AND PACK IN HIGH FLOW. FOUND BRAIDED OIL LUBE LINE AFT SIDE OF GEARBOX ON APU LEAKING OIL INTO AREA OF APU INLET, AND CAUSING OIL SMELL. ACNov 1, 2008 · N447UA · Airbus A320232SDR 2008UALA06098Bearing · failedAPU CONTROL STATUS MESSAGE. FOUND METAL IN APU. FOUND OIL PUMP BEARING FAILED.Oct 13, 2008 · N793UA · Boeing 777222SDR ASAA0853532Oil Filter · faultyWHILE ACCOMPLISHING TC 78349013 FOUND APU OIL FILTER DELTA P INDICATOR EXTENDED. REMOVED AND REPLACED APU OIL FILTER, NO CONTAMINATION NOTED. INSPECTED MAGNETIC DRAIN PLUG, NO CONTAMINATION NOTED. RAN APU FOR 15 MINS. NO LEAKS NOTED. GROUND VERIFICATION SSep 25, 2008 · N583AS · Boeing 737890SDR 2008UALA05852Oil System · leakingFOUND OIL LEAKING FROM BOTTOM OF PNEUMATIC SUPPLY DUCT COMING OFF APU IN APU COMPARTMENT WHILE ACCOMPLISHING SERVICE TIP, APU HOC. NO OTHER OIL LEAKAGE NOTED. REMOVED & REPLACED APU.Sep 23, 2008 · N549UA · Boeing 757222SDR HNAA0800285Apu · leakingF/A REPORTED SMOKE IN CABIN WHEN ACFT PARKED AT THE GATE. INSPECTED ACFT FOUND NO DEFECTS WITH EXTERNAL DC POWER APPLIED TO ACFT. STARTED APU, BLEEDS OIL MIST AND SMOKE FILLED THE CABIN AND SELECTED APU OFF. GROUND RAN WITH ENGINE BLEEDS SELECTED INDIVIDUALSep 18, 2008 · N331EN · Dhav DHC8311SDR ASAA0853469Oil Filter · malfunctionedWHILE ACCOMPLISHING TC 78349013 FOUND APU OIL FILTER DELTA P INDICATOR POPPED. REMOVED AND REPLACED APU OIL FILTER ELEMENT NO CONTAMINATION NOTED. RESET DELTA P INDICATOR. INSPECTED MAGNETIC DRAIN PLUG NO CONTAMINATION NOTED. REF AMM'S 49 91 13 & 49 91 81.Sep 1, 2008 · N559AS · Boeing 737890SDR DXTA200803256Oil System · overservicedON INTIAL APU START UP AFTER LANDING, APU GEN WOULDN'T COME ONLINE. SHUTDOWN APU W/BOTH ENGINE RUNNING, THEN RESTARTED APU-GEN CAME ON LINE, ALL APPEARED OK-OFF LOADED PAX & BAGS AND RE-ENTERED JET AND IMMEDIATLY NOTICED ODOR (BELIEVE ELECTRIC BURNING) THAT WAAug 31, 2008 · N245QS · Amd FALCON2000SDR ASAA0853399Indicator · activatedWHILE ACCOMPLISHING TASKCARD 78349013 FOUND APU DELTA P POPPED ACCOMPLISHED APU OIL FILTER INDICATOR SERVICING PER MM 49 91 13.Aug 21, 2008 · N577AS · Boeing 737890SDR ANCF200800019Apu · malfunctionedAIR TURN BACK, EICAS MSG 02 "R GEN OFF" DISPLAYED, R GEN OFF LIGHT ILLUMINATED. GENERATOR SWITCH RESET DID NOT CORRECT CONDITION. APU WAS TRANSFERRED TO DMI N. 247 BY MAINT REPORT P4264038-X3. : "APU FAIL". PERFORMED BPCU BITE TEST IAW FIM PROCEDURE 24-20-00,Aug 18, 2008 · N728CG · Boeing 767283ERSDR ASAA0853329Oil Filter · poppedWHILE ACCOMPLISHING TASKCARD 78349013, FOUND APU OIL FILTER DELTA P POPPED. ACCOMPLISHED OIL FILTER INDICATOR SERVICING PER MM 49 91 13.Aug 11, 2008 · N558AS · Boeing 737890SDR MWE2008F00022Oil System · leakingFAINT ODOR DETECTED AND RIGHT AFT LAVATORY SMOKE DETECTOR WENT OFF AND LIGHT GRAY SMOKE WAS VISUAL. FOUND THE OIL LEAK WAS NOT CLEANED ENOUGH FROM PREVIOUS ISSUE ON 7/25/2008, REMOVED AND REPLACED APU. (K)Jul 26, 2008 · N809ME · Doug DC982SDR 2008UALA03984Filter · pluggedAPU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. *S/D* FOUND PLUGGED OIL FILTER. APU OIL FILTER PER MM 49-27-03, OP CHECK GOOD. AC OK FOR SERVICE.Jul 26, 2008 · N210UA · Boeing 777222SDR USAABB124Fan · failedMCO FLT 816 EN-ROUTE CUN TO CLT. CREW RECEIVED NUMEROUS LAVATORY SMOKE DETECTOR WARNINGS, AND AN ODOR OF SMOKE IN BOTH THE COCKPIT AND CABIN. ALSO RECEIVED AN APU OVERHEAT MESSAGE. THE FLIGHT DIVERTED TO MCO AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANJul 25, 2008 · N935UW · Boeing 7572B7SDR ASAA0853205Filter · trippedAPU FILTER DELTA P INDICATOR POPPED. 41-91-13 INSPECTION AND LEAK CHECK IAW TASK49-91-13-600-801. REMOVED AND REPLACED OIL FILTER REF MM 49-91-12-000-802. GND VERIFICATION SUCCESSFUL.Jul 19, 2008 · N587AS · Boeing 737890SDR COMA0860301Oil System · lowEN ROUTE FROM CVG TO JAX RECEIVED APU OIL TEMP CAUTION MSG. EMERGENCY DECLARED, ACFT DIVERTED TO ATL AND LANDED SAFELY. FOUND APU OIL LEVEL LOW. SERVICED APU OIL TO PROPER LEVEL. NO FURTHER DEFECTS. (S)Jun 20, 2008 · N430CA · Cndair CL6002B19SDR CHQA200800116Oil System · underservicedFLIGHT 5681, IAH TO ELP. WHILE AT CRUISE WITH THE NR2 IDG ON DEFERRAL, THE FLIGHT CREW RECEIVED AN APU OIL TEMP MESSAGE. THE QRH WAS FOLLOWED AND THE FLIGHT DIVERTED TO MAF. WHILE IN MAF MAINTENANCE FOUND THE APU OIL LEVEL WAS LOW AND SERVICED IT PROPERLY. Jun 16, 2008 · N667BR · Cndair CL6002B19SDR HNA2008F00014Oil System · leakingAPU BLEED ON, VAPOR VISIBLE IN CABIN. INSPECTED AND FOUND APU HAS AN OIL LEAK, NO VAPOR VISIBLE OFF ENGINE BLEEDS. REMOVED AND REPLACED APU. (K)Jun 7, 2008 · N930HA · Dhav DHC8102SDR USAA920081178Oil Cooler · inoperativeFLT 1744 CLT - PHL - ELECTRICAL POWER LOSS - AIRCRAFT DEPARTED CLT WITH THE NR1 IDG ON MEL. CREW REPORTED APU AUTO SHUTDOWN AT FL 330. RESTARTED AT FL 290 AND FLIGHT CONTINUED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE APU OIL COOLER. OJun 5, 2008 · N738US · Airbus A319112SDR ASAA0852974Oil Filter · dirtyAPU OIL FILTER DELTA P INDICATOR EXTENDED REQUIRES MAINT REF: T C 78349013. REPLACED APU OIL FILTER AND RESET DELTA P INDICATOR, OPERATED APU FOR 30 MIN AND RE-CHECKED DELTA P INDICATOR. INDICATOR REMAINS RESET AMM 49 91 13 & 49 91 12.May 20, 2008 · N558AS · Boeing 737890SDR ASAA0852970Apu · oil consumptionAPU OIL COMSUMPTION INDICATE ALERT. STRIP AC FROM ETOPS SERVICES INSP, APU INTAKE EXHAUST AND APU AREA, NO OIL LEAKS NOTED AT THIS TIME. AC RESTRICTED FROM ETOPS UNTIL NEW APU OIL COMSUMPTION RATE IS CALULATED. INSPECTED APU, APU OIL LEVEL FULL CONSUMPTION May 17, 2008 · N584AS · Boeing 737890SDR SA08034Oil System · lowDCA FLT 44 EN ROUTE DCA-PHX. APU AUTO SHUTDOWN WITH NR 1 GENERATOR BECOMING INOP EN ROUTE. MAINTENANCE SERVICED APU OIL TO CORRECT LEVEL AND RESET NR 1 GENERATOR CIRCUIT BREAKER. OPS CHECKS OK.May 10, 2008 · N829AW · Airbus A319132SDR SB08034Oil System · lowDCA FLT 44 EN ROUTE DCA-PHX. APU AUTO SHUTDOWN WITH NR 1 GENERATOR BECOMING INOP EN ROUTE. MAINTENANCE SERVICED APU OIL TO CORRECT LEVEL AND RESET NR 1 GENERATOR CIRCUIT BREAKER. OPS CHECKS OK.May 10, 2008 · N829AW · Airbus A319132SDR ASAA0852896Filler · cloggedWHILE ACCOMPLISHING TASKCARD 78349013 FOUND APU OIL FILTER EXTENDED. COMPLETED OIL DELTA P INDICATOR SERVICING. REMOVED FILTER ELEMENT. LEAK AND OP CHECKS NORMAL.May 5, 2008 · N584AS · Boeing 737890SDR SWIA200819593Oil System · overservicedFLT 3573 - SMOKE REPORTED IN THE CABIN WHEN PACKS WERE RAN OFF OF APU. REMOVED EXCESS OIL FROM APU RESERVOIR. RAN APU AND BOTH PACKS FOR 15 MINUTES WITH NO EVIDENCE OF SMOKE.May 4, 2008 · N297SW · Emb EMB120ERSDR ASAA0852872Indicator · malfunctionedAPU OIL FILTER DELTA P INDICATOR EXTENDED. RESET APU OIL FILTER DELTA P INDICATOR. NO CONTAMINATION ON FILTER OR MAGNETIC DRAIN PLUG. NO LEAKS. OP CHECKS GOOD ON RESET.May 3, 2008 · N577AS · Boeing 737890
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