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 AALA201702019005Oil Cap · unsecureWHEN LANDING GEAR SELECTED DOWN NOTICEABLE ODOR IN FLT DECK. ODOR GOT STRONGER WHEN APU BLEED SELECTED ON GROUND AND WAS THEN NOTED IN AFT GALLEY. SECURED LOOSE APU OIL CAP AND CLEANED APU.Jan 31, 2017 · N803AW · Airbus A319132SDR AALA201701249008Oil System · leakingFLIGHT CREW REPORTED AN ACRID OILY ODOR FROM PACKS WITH APU AIR AND ENGINE SUPPLYING AIR. ODOR BURNS THE EYES AND THROAT DURING ALL PHASES OF FLIGHT. AIRCRAFT WAS GROUNDED. FOUND APU LEAKING AT DRAIN PLUG BOSS, MOUNT FLANGE, AND CONNECTOR BASE. REPLACED APU Jan 23, 2017 · N764US · Airbus A319112SDR CALA2017012200152Line · unsecureMUSTY ALMOST METALLIC SMELL NOTED IN DESCENT. SUSPECT SOMETHING LEAKING INTO BLEED SYSTEM. TROUBLESHOT SMELL TO APU BLEED. FOUND OIL SCAVENGE LINES TO AFT BEARING ON APU LEAKING OIL. SECURED LINES AND CLEANED AREA. RAN APU AND PACKS TILL SMELL DISSIPATED.Jan 22, 2017 · N839UA · Airbus A319131SDR ASAA2017012119631Insert · damagedAPU OIL MONITORING DATA SHOWS OIL CONSUMPTION TO BE TRENDING HIGHER THAN EXPECTED. ACFT GROUNDED. REMOVED THE APU FUEL CONTROL UNIT AND THE APU LUBE MODULE IAW AMM 49-31-11-000-801 AND 49-91-11-000-802. FOUND APU LUBE MODULE UPPER RT MOUNT INSERT DAMAGED. Jan 21, 2017 · N592AS · Boeing 737890SDR AALA201701239016Seal · defectiveAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A VERY STRONG ODOR AND FUMES ENTIRE FLIGHT. FLIGHT ATTENDANTS CONFIRM ODOR IN CABIN. MAINTENANCE FOUND AN OIL LEAK ON THE APU BETWEEN THE FUEL CONTROL AND LUBE UNITS DUE TO DEFECTIVE SEALS RESULTING IN THE SEALS BEINJan 21, 2017 · N737US · Airbus A319112SDR AALA201701199011Seal · leakingFLIGHT ATTENDANT REPORTED AN ODOR IN REAR OF AIRCRAFT. ODOR MOVED FORWARD. NO APU RUNNING AT THAT TIME, ENGINES ONLY. MAINTENANCE FOUND APU INOPERATIVE. FOUND MAGNETIC DRAIN PLUG SEAL ON APU LOOSE AND LEAKING. INSTALLED NEW SEAL IAW MM 49-91-42.Jan 18, 2017 · N191UW · Airbus A321211SDR WX0A073219Oil System · leakingPACKS PRODUCE DIRTY GYM SOCK ODOR. PERFORMED ULTRA-VIOLET INSPECTION ON APU AND FOUND SOME OIL RESIDUE IN THE APU INLET PLENUM. CLEANED RESIDUE AND RAN APU AND NO NEW RESIDUE WAS FOUND.Jan 17, 2017 · N217NV · Airbus A320214SDR AALA201701209013O-Ring · leakingODOR IN CABIN DURING DECENT. STRONGEST IN GALLEYS BUT COULD BE DETECTED IN THE COCKPIT. MAINTENANCE FOUND THE APU TO BE THE SOURCE OF THE ODOR. REPLACED TURBINE BEARING CAVITY O-RINGS AND ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.Jan 16, 2017 · N823AW · Airbus A319132SDR DALA2017011700435Cap · unsecureRETURNED TO DEPARTURE DUE TO AN ACID ODOR AND HAZE IN THE CABIN AFTER TAKEOFF. BOTH AFT LAVATORY SMOKE DETECTORS SOUNDED. MAINTENANCE FOUND THE APU OIL CAP NOT SECURE. THE APU WAS REPLACED AND WC 2120-2368 COMPLETED. THE RT ACM WAS ALSO REPLACED BECAUSE OF AJan 13, 2017 · N999DN · Doug MD88SDR DALA2017011100261Cap · displacedAT THE GATE JUST PRIOR TO DEPARTURE, WHEN THE AIR-CONDITIONING SUPPLY SWITCHES WERE PLACED ON, THE FLIGHT ATTENDANTS NOTICED HAZE AND SMOKE ODOR IN THE AFT CABIN. MAINTENANCE FOUND THE APU OIL CAP OFF AND OIL AROUND THE APU RAM AIR DOOR INLET. APU AND INLET CJan 11, 2017 · N910DL · Doug MD88SDR ASAA2017010819415Oil Cooler · contaminatedAPU HAS A HISTORY OF OIL SERVICING. CURRENT OIL CONSUMPTION IS HIGHER THAN EXPECTED. ACFT GROUNDED. REMOVED APU EGT THERMOCOUPLE 1,IAW AMM 49-71-21-000-801. INSPECTED APU TURBINE EXHAUST DUCT FOR EXCESSIVE OIL LEAKAGE WITH FLEXIBLE BORESCOPE IAW FIM 49-95-TJan 8, 2017 · N579AS · Boeing 737890SDR AALA20170111014Oil System · leakingAIRCRAFT WAS GROUNDED. ON TAKEOFF AND LANDING, OILY OLD SOCK ODOR IN THE COCKPIT. APU OIL LEAK FOUND ABOVE INLET PLENUM. ACCOMPLISHED DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM AND HIGH POWER ENGINE RUN. ACCOMPLISHED TSM TASK 49-00-81-810-874. NO LEAKS NOJan 8, 2017 · N9006 · Airbus A319115SDR WX0A2016010573216Oil System · overservicedWHEN DESCENDING BELOW 5,000 AGL COCKPIT AND FWD CABIN SMELL LIKE DIRTY SOCKS. FROM TSM FAULT ISOLATION 49-00-00 FOUND APU OIL OVER SERVICED. REMOVED APPROX 1 QT OIL FROM RESERVOIR. BOTH RECIRC FILTERS REPLACED.Jan 5, 2017 · N217NV · Airbus A320214SDR WX0A2017010573215Pump · leakingFA'S REPORT FOUL SMELL FROM VENTILATION SYSTEM WHEN AIRCRAFT IS BELOW 10,000 FT. FOUND APU OIL PUMP ASSY LEAKING. R & R THE APU OIL PUMP.Jan 5, 2017 · N229NV · Airbus A320214SDR ASAA2017010319263Apu · failedWITH APU RUNNING AND APU BLEED SWITCH ON, NO DUCT PRESSURE IS INDICATED. ACFT GROUNDED. REPLACED APU IAW TASK CARD 78349010 STEPS 1-3 AND AMM 49-11-00-400 STEP G-L. COMPLETED INSTALLATION OF APU PER ASA TASK CARD 78349010 STEPS 4-7 AND AMM 49-11-00-400 STEJan 3, 2017 · N517AS · Boeing 737890SDR AALA20170105007Pressure Switch · leakingAIRCRAFT WAS GROUNDED. SMOKE IN CABIN AFTER AIR CONDITIONING PACKS WERE RUNNING FOR APPROXIMATELY 20 MINUTES. REMOVED AND REPLACED AUXILIARY POWER UNIT LOW OIL PRESSURE SWITCH IAW AMM 49-90-03. OPERATIONAL AND LEAK CHECK GOOD.Jan 1, 2017 · N967TW · Doug DC983SDR HALA2016123100567Filter · cloggedAPU INLET FILTER DPI EXTENDED DURING VISUAL CHECK OF APU INLET FILTER DPI. REMOVED AND REPLACED THE APU FUEL INLET FILTER ELEMENT IAW AMM 49-32-41 & OP TESTED OK. LEAK CHECKED OK. RAN APU & NO DISCREPANCIES FOUND. OK FOR SERVICE.Dec 31, 2016 · N393HA · Airbus A330243SDR ASAA2016122319153Indicator · failedWHILE ACCCOMP T/C N8349002, FOUND APU DELTA P INDICATOR TRIPPED. ACFT GROUNDED. CHECKED MAGNETIC ELEMENT, FOUND MAGNETIC ELEMENT, FOUND CLEAN IAW AMM 49-91-81-000-801. REMOVED AND REPLACED LUBE FILTER ELEMENT IAW AMM 49-91-12. RAN APU, DELTA P INDICATOR TRIPDec 23, 2016 · N537AS · Boeing 737890SDR GTIA2016122301715Pressure Switch · leakingPASSING THROUGH 8000 FT ON ARRIVAL A DIRTY SOCK ODOR IN CABIN. PERFORMED INSPECTION OF APU DUCTS FOUND NO EVIDENCE OF OIL INSIDE OF DUCTING. FOUND OIL LOW PRESSURE SWITCH LEAKING. R & R LOW PRESSURE SWITCH IAW AMM 49-94-14, LEAK CHECK GOOD. PERFORMED FUNCTIDec 23, 2016 · N534NK · Airbus A319132SDR AALA201612279016Oil Cooler · leakingFLIGHT ATTENDANTS FLEW AIRCRAFT INBOUND AND ON LANDING NOTICED FOUL ODOR IN CABIN. AIRCRAFT WAS GROUNDED. REPLACED APU OIL COOLER PER AMM 49-91-44.Dec 22, 2016 · N978UY · Airbus A321231SDR ASAA2016121719066Filter Element · cloggedFOUND APU LUBE OIL FILTER HOUSING (RED) BUTTON INDICATOR EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE FILTER ELEMENT IAW AMM 49-91-12. OPS CK AND LEAK CK GOOD. NO DEFECTS NOTED.Dec 17, 2016 · N428AS · Boeing 737990ERSDR ASAA2016121419034Warning Light · false activationDURING MAINTENANCE TOW, BLUE APU MAINT LIGHT ILLUMINATED. ACFT GROUNDED. IAW FIM 49-60 TASK 801, PERFORMED APU BITE, FOUND MAINT MESSAGE 49-91227 LOW OIL QTY, IAW AMM 12-13-31-200-801. INSPECTED APU OIL LEVEL, APU OIL QTY WAS FOUND TO BE FULL, NO SERVICING REDec 14, 2016 · N435AS · Boeing 737990ERSDR AALA201612139010Apu · overservicedAIRCRAFT WAS GROUNDED. ONCE WE STARTED BLEEDING APU ON ARRIVAL WE GOT A STRONG ACIDIC SMELL AND SLIGHT SMOKE HAZE IN CABIN. SEEMED TO DISSIPATE WHEN APU BLEED WAS TURNED OFF. HEAVY RAIN ON GATE ARRIVAL MAINTENANCE SERVICED APU PER JOB CARDS 26L00021002 AND 26LDec 12, 2016 · N723UW · Airbus A319112SDR UIEA2016121301014Plug · brokenDRAIN PLUG ON APU IS BROKEN OFF IN APU. REPLACED APU OIL DRAIN PLUG IAW B767 AMM 12-13-04.</P>)Dec 12, 2016 · N645GT · Boeing 767324SDR UIEA2016120600985Transmitter · failedDURING ENG RUN, EICAS INDICATION HARD FAULT, AFTER VISUAL OIL LEVEL VERIFICATION OF SERVICING APU OIL QTY. REMOVED AND REPLACED APU OIL QTY TRANSMITTER IAW AMM 49-94-03. OPS CHECK GOOD.Dec 6, 2016 · N661GT · Boeing 76736NSDR A6WA2016120544632Fitting · leakingON APU START ATTEMPT IN THE AIR, RECEIVED AN APU FAULT. APU AUTO SHUTDOWN. STARTED APU ON GROUND, NOTICED FUEL ODOR AND SHUTDOWN APU. INSPECTED APU AND PACKS IN AFT EQUIPMENT BAY. NO DEFECTS NOTED. PERFORMED OPS CHECK OF APU. OPS CHECKED GOOD. PERFORMEDDec 2, 2016 · N458AW · Cndair CL6002B19SDR AALA201612059021Apu · overservicedFLIGHT ATTENDANTS COMPLAINED ABOUT DIRTY SOCK MUSK ODOR IN AIRCRAFT. ODOR SUBSIDED IN CRUISE FLIGHT, HOWEVER BECAME VERY STRONG DURING DECENT INCLUDING THE COCKPIT. ATTENDANTS COMPLAINED ABOUT BURNING EYES, NAUSEA, HEADACHE, BURNING NOSTRILS. COCKPIT ALSO EXPDec 2, 2016 · N197UW · Airbus A321211SDR UIEA2016120100948Pressure Switch · leakingON POST FLIGHT WALK AROUND, FOUND OIL DRIPPING FROM APU COWLING. REMOVED AND REPLACED LOW OIL PRESSURE SWITCH IAW AMM 49-94-02. NO LEAKS NOTED.Dec 1, 2016 · N641GT · Boeing 76738ESDR AALA201611299021Apu · leakingF/A REPORT CABIN ODOR AFT CABIN (DIRTY SOCKS ). NO PAX OR CREW SYMPTOMS. QRH PROC COMPLETED, 10,000 FEET APU OFF. THE FLIGHT CONTINUED TO DESTINATION. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. COMPILED WITH JOB CARD 26L00021001Nov 28, 2016 · N508AY · Airbus A321231SDR AALA201611299002Cooling Fan · faultyON DESCENT, LANDING, AND TAXI IN, A STRONG CHEMICAL SMELL WAS NOTICED FROM THE LAST TWO PASSENGER ROWS AND STRONGEST IN THE AFT GALLEY BETWEEN THE TWO AFT LAVS. ODOR WAS STILL NOTICEABLE AFTER THE PASSENGERS LEFT THE AIRCRAFT. PER J/C 26L00021001 FOUND APU TO Nov 27, 2016 · N679AW · Airbus A320232SDR AALA201611299001Oil Cooler · leakingON DESCENT, LANDING, AND TAXI IN, STRONG CHEMICAL SMELL FROM THE LAST TWO PASSENGER ROWS, AND STRONGEST IN THE AFT GALLEY BETWEEN THE TWO AFT LAVS. ODOR STILL PRESENT EVEN AFTER PASSENGERS DEPLANED. PER J/C 26L00021001 FOUND APU TO BE SOURCE OF ODOR, APU AREA Nov 27, 2016 · N679AW · Airbus A320232SDR DALA2016111608814Inlet · contaminatedSHIP 943 EXPERIENCED FUMES AND WHITE SMOKE BOTH IN CABIN AND COCKPIT SHORTLY AFTER LIFTOFF. EMERGENCY DECLARED AND RETURNED TO DEPARTURE. FOUND APU INLET CONTAMINATED WITH APU ENGINE OIL. APU REPLACED. ENGINE BLEED DUCTS BORESCOPED WITH NO OIL FOUND. LT AND Nov 15, 2016 · N943DL · Doug MD88SDR DALA2016111108688Packing · damagedSYSTEM HAS NASTY SMELL. PAX COMPLAINED OF THE STENCH, FOUND APU LEAKING, REPLACED APU STARTER PACKING AND CABIN RECIRCULATION FILTERS.Nov 9, 2016 · N346NB · Airbus A319114SDR DALA2016110608271Cap · unsecurePERFORMED ATB DUE TO REPORTED SMOKE IN CABIN AFTER TAKEOFF. FOUND APU OIL CAP NOT SECURE. APU COMPARTMENT AND INLET CLEANED. LEAK CHECKED GOOD. PERFORMED DUCT BURNOUT PROCEDURE WC 7100-2619. NO ODOR PRESENT.Nov 4, 2016 · N914DL · Doug MD88SDR AALA201611079015Return Line · leakingAIRCRAFT WAS GROUNDED. PASSENGER COMMENTED ON FUMES IN CABIN IN FLIGHT WHILE EXITING A/C AT DESTINATION. FOUND APU TO BE BAD. REPLACED OIL COOLING FAN AND RETURN LINE PER AMM 49-52-51. (EVENT IS A RE-OCCURANCE SEE ORIGINAL AALA201610289011 AND AALA20161104Nov 3, 2016 · N710UW · Airbus A319112SDR AALA201611049004Cooling Fan · leakingAIRCRAFT WAS GROUNDED. PASSENGER COMMENTED ON FUMES IN CABIN IN FLIGHT WHILE EXITING A/C AT DESTINATION. FOUND APU TO BE BAD. REPLACED OIL COOLING FAN AND RETURN LINE PER AMM 49-52-51. (EVENT IS A RE-OCCURANCE SEE ORIGINAL AALA201610289011 AND AALA20161107Nov 3, 2016 · N710UW · Airbus A319112SDR HALA2016110200404Oil Cooler · failedAPU OIL LEAK EVIDENT FROM APU OIL COOLER AIR EXIT DUCT. NEWLY INSTALLED AIR/OIL COOLER FTN 3KYIT6 BAD FROM STOCK. INTERNAL LEAKAGE IDENTIFIED DURING OPS TEST OF APU. AIR OIL COOLER REPLACED IAW AMM 49-91-44 REV 55. AIR/OIL COOLER P/N 160242-2 S/N 902 FTN 6Nov 2, 2016 · N382HA · Airbus A330243SDR A6WA201644538Apu · leakingSMOKE APPEARED IN THE FLIGHT DECK FROM AIR CONDITIONING VENTS, APU SHUTDOWN SHORTLY AFTERWARDS. LARGE PUDDLE OF OIL DRIPPING FROM AFT EQUIPMENT BAY.Oct 31, 2016 · N449AW · Cndair CL6002B19SDR AALA20161101004Solenoid Valve · leakingAIRCRAFT NOT GROUNDED. SMOKE AND ODOR IN CABIN PRIOR TO PUSHBACK FROM GATE DUE TO APU DE-OIL SOLENOID VALVE LEAKING OIL INTO INTAKE. REMOVED AND REPLACED VALVE IAW AMM 49-90-05. OPERATIONAL CHECK GOOD.Oct 29, 2016 · N513AA · Doug DC982SDR AALA201610289011Cooling Fan · leakingAIRCRAFT WAS GROUNDED. FLIGHT ATTENDANTS REPORTED SULFUR SMELL MID CABIN. MAINTENANCE FOUND THE APU OIL LEAKING OIL FROM THE COOLING FAN, INGESTION INTO THE LOAD COMPRESSOR VERIFIED SINCE THE INTAKE AND DIFFUSER WERE OIL SOAKED. REPLACED COOLING FAN AND ACCOct 26, 2016 · N710UW · Airbus A319112SDR GTIA2016100801625Oil System · leakingFUMES ODOR IN CABIN AND COCKPIT. PERFORMED PACK BURNOUT IAW AMM 21-00-00 FOUND FUMES ONLY COMING FROM APU. PERFORMED APU INSPECTION AND FOUNDLOP OIL PRESSUE SWITCHLEAKING. R&R LOP OIL PRESSURE SWITCH IAW AMM 49-94-14. LEAK CHECK GOOD PERFORMED DECONTAMINATION Oct 8, 2016 · N525NK · Airbus A319132SDR AALA201610079013Heater · odorDURING TAKEOFF, FUMES DETECTED MOSTLY IN REAR CABIN AREA. SHUTOFF THE NR 2 PACK AND ODOR CLEARED. AT LEVEL OFF RE ESTABLISHED THE NR 2 PACKON. NO ADDITIONAL ODOR REPORTED. MAINTENANCE REPLACED THE APU OIL HEATER IAW AMM 49-96-11-000-801-A AND 49-96-11-400-801Oct 6, 2016 · N286AY · Airbus A330243SDR AALA201610049011Oil System · overservicedFLIGHT CREW REPORTED THAT AN ACID, BURNING RUBBER & MUSTY ODOR CAME ON VERY STRONG RESULTING IN A SLIGHT BURNING IN EYES. DIVERTED WITH NO EMERGENCY WAS DECLARED AND LANDED SAFELY WITH NO FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND THE APOct 1, 2016 · N704US · Airbus A319112SDR AALA20160930006O-Ring · leakingMAINTENANCE REPORTED FUMES IN CABIN. INVESTICATION FOUND OIL IN THE APU INLET. OIL DETERMINED TO BE FROM OIL DRAIN PLUG LEAK. REMOVED AND REPLACED DRAIN PLUG O-RING IAW AMM 49-90-12. SYSTEM CHECKS NORMAL. AIRCRAFT WAS GROUNDED.Sep 29, 2016 · N483AA · Doug DC982SDR AALA201609279001Oil System · overservicedAIRCRAFT HAS BAD CABIN ODOR WITH BOTH PACKS ON AND APU BLEED SELECTED ON. AIRCRAFT GROUNDED. MAINTENANCE INITIALLY FOUND THE APU OIL SYSTEM WAS OVERSERVICED AND SERVICED THE OIL SYSTEM TO THE PROPER LEVEL. MAINTENANCE FOUND OIL LEAKS ON THE APU AT THE OIL CSep 26, 2016 · N765US · Airbus A319112SDR AALA201609269020Line · leakingTOXIC ODOR REPORTED IN BACK OF ACFT. SMELLS LIKE DIESEL FUEL. DURING TAKE OFF AND DURING TAXI IN. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND A FUEL LEAK AT TUBE ASSEMBLY ABOVE AND FORWARD OF THE APU AIR INTAKE AND REPLACED THE FUEL PACKINGS PER CMM 49-25-69 Sep 24, 2016 · N650AW · Airbus A320232SDR UIEA2016092600776O-Ring · damagedO-RING APU OIL CAP DAMAGED. REPLACED O-RING IAW AMM 49-11-00 AND LEAK CHECK. NO LEAKS NOTED.Sep 22, 2016 · N767MW · Boeing 767277SDR ASAA2016091718052Oil System · lowAPU MAINTENANCE LIGHT ON. ACFT GROUNDED. ACCOMPLISHED BITE CHECK, REF FIM 49-90, TASK 804. FOUND LOW OIL QTY, 49-91227, ADDED OIL TO FULL, REF AMM 12-13-31. RESTARTED APU, NO FAULTS FOUND OK FOR SERVICE.Sep 17, 2016 · N467AS · Boeing 737990ERSDR ASAA2016090717964Warning Light · false activationAPU OIL QTY LOW LIGHT ILLUMINATED. ACFT GROUNDED. CHECKED APU OIL QTY, FULL. RAN APU, MAINT LIGHT OUT.Sep 7, 2016 · N472AS · Boeing 737990ERSDR DXTA2016090506296Oil System · overservicedSTRONG ACRID ELECTRICAL SMOKE SMELL IN COCKPIT, BAGGAGE COMPARTMENT AND CABIN AREA, SMELL STRONG WITH APU AIR ON. AIRCRAFT POWERED ON EXTERNAL AC CART WITH ALL CABIN/GALLEY SYSTEMS ON FOR 2 HOURS. NO SMELL/SMOKE DETECTED AS PER THE CREW SMELL WAS PRESENT WITSep 5, 2016 · N509QS · Gulstm GULFSTREAMGV
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