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 TWAA0018202Apu · contaminatedCREW REPORTED SMOKE IN CABIN AT LIFT OFF. FLIGHT RETURNED TO STL. FOUND OIL IN APU INLET. OTHER CHECKS NEGATIVE. SUSPECT APU OIL WAS OVERSERVICED. CLEANED UP OIL AND ACCOMPLISHED PACK BURN OUT. CHECK-C 10-8-00 JFK.Nov 20, 2000 · N9617R · Doug DC983SDR DLM88002235Apu · contaminatedDURING INITIAL CLIMBOUT HOT PACK ODOR IN C/PIT CABIN. TURNED RT PACK OFF AND ODOR WENT AWAY. PERF OPN 5088. FOUND APU CONTAMINATED WITH OIL. PERF DUCT- OUT PER M/M. FWD APU TO MCO/PLAC MEL 49-00-01A.Nov 15, 2000 · N954DL · Doug MD88SDR C2XA00CL092Apu · leakingCLE - FLT 3829 - AFTER TAKEOFF ON INITIAL CLIMB, THE CREW REPORTED A LAVATORY SMOKE ALARM ILLUMINATED ON THE EICAS. THE BLEEDS AND PACKS WERE SELECTED ON. THERE WAS A SLIGHT HAZE IN THE CABIN. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MANov 9, 2000 · N17984 · Emb EMB145LRSDR 2000UALA00653Line · looseAPU SHUTDOWN AT FL290. *S/D* FOUND LINE AT OIL PUMP OUTLET FITTING LOOSE JUST ABOVE OIL CAP. SECURED LINE. CLEANED AREA AND RAN APU. APU SERIAL NUMBER 61889, TOTAL TIME 434, TOTAL CYCLES 481.Nov 1, 2000 · N594UA · Boeing 757222SDR 2000UALA00652Apu · lack of lubeAPU SHUTDOWN. ATTEMPTED RESTART, SHUTDOWN AFTER 1 MINUTE. *S/D* FOUND OIL SERVICE CAP FALSE LATCHED AND NO OIL IN SIGHT GAUGE. SERVICED APU OIL TO FULL AND RAN APU FOR AN HOUR. OP CHECKED NORMAL. APU SERIAL NUMBER 61889, TOTAL TIME 433, TOTAL CYCLES 480.Nov 1, 2000 · N594UA · Boeing 757222SDR USAASB00303Apu · leakingPHL - FLT CREW REPORTED TO MAINTENANCE THAT A HAZE AND AN ODOR OF OIL WAS PRESENT IN THE CABIN AND COCKPIT. APPEARS THAT THE APU PNEUMATICS SMOKES THE CABIN UP WHEN RUNNING. MAINTENANCE REMOVED GARBAGE FROM THE APU INTAKE. RAN APU FOR 2 HOURS. NO ODOR NOTEOct 25, 2000 · N529AU · Boeing 7372B7SDR AALA20001750Apu · leakingLAX - FLT 1070 - EN ROUTE LGB-DFW, SHORTLY AFTER TAKEOFF DETECTED SMOKE IN THE CABIN. AIR INTERRUPTED, DIVERTED LAX AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU ASSEMBLY. LEAKED CHECKED GOOD. ACCOMPLISHED PACK AND BURNOUT PER THE MM. NO SMELL OR SMOKOct 23, 2000 · N227AA · Doug DC982SDR DLM88002069Apu · leakingAIR TURNBACK. SMOKE IN CABIN AFTER T/O. FOUND APU OIL LEAK. REPLACED BOTH WATER SEP BAGS. PERF DUCT BURN OUT PER M/M. NO SMOKE PRESENT. REPLACED APU.Oct 19, 2000 · N904DE · Doug MD88SDR DLM88002029Apu · leakingAFT SMOKE DETECTORS SOUNDED AND FLT ATTNS REPORT SMELLING UNIDENTIFIABLE ODOR WHEN AIRFOIL A/I IN USE. ALARMS STOPPED 1.5 MIN AFTER A/I OFF. MTC FOUND OIL AT APU INLET APPEARS TO BE COMING FROM INSIDE APU. PERFORMED DUCT BURNOUT. REPLACED APU FOR OIL LEAK.Oct 16, 2000 · N910DL · Doug MD88SDR COMA0060828Warning System · activatedAPU OIL TEMP CAUTION MESSAGE. SERVICED APU WITH 1 QUART OF OIL.Oct 16, 2000 · N735CA · Cndair CL6002B19SDR CA001101020Apu · failed(CAN) APU OIL TEMP CAUTION MESSAGE POSTED ON EICAS IN FLIGHT, WITH APU OPERATING BECAUSE IDG NR 1 WAS DEFERRED. CREW DECLARED AN EMERGENCY LANDING AND MADE AN UNSCHEDULED LANDING.INSPECTED APU AND FOUND IT LOW ON OIL. SERVICED WITH ON QUART OF OIL. AIRCRAFT BAOct 15, 2000 · Cndair CL6002B19SDR AALA20001723Seal · leakingEWR - FLT 303 - EN ROUTE LGA-ORD, ON TAKEOFF AIR-CONDITIONING SYSTEM BEGAN EMITTING PURSUANT ODOR. CABIN FILLED WITH BLUISH SMOKE. AIR INTERRUPTED, DIVERTED EWR AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU OIL COOLER RING SEAL AT COOLER FITTING. ACCOMOct 14, 2000 · N7509 · Doug DC982SDR DLM88001918Apu · leakingAFTER TAKEOFF FROM PWM, NORMAL POWER TAKEOFF WITH ENGINE ANTI ICE ON, GOT A STRANGE OIL ODOR THROUGH OUT CABIN. ODOR CLEARED UP SHORTLY DURING CLIMB. PERFORMED DUCT BURNOUT.Oct 1, 2000 · N912DL · Doug MD88SDR C2XA00IA354Apu · leakingIAH - FLT 3418 - THE CREW REPORTED A STRONG FUEL SMELL IN THE CABIN AND COCKPIT WITH APU BLEED ON. MAINTENANCE PLACED THE APU ON MEL ATA 49-52-1 CONTROL 001400, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 10/02/2000, THE AIRCRAFT RETURNED TO IAH WSep 28, 2000 · N40717 · Emb EMB120RTSDR C2XAOOBT084Apu · leakingCREW REPORTED ON APU START CABIN FILLED UP WITH SMOKE. LAV SMOKE DETECTOR ILLUMINATED MX TROUBLESHOT AND FOUND FAULTY APU. A/C RELEASED IAW MEL 49-00-00 CAT. C CONTROL NUMBER 01068. A/C RETURNED TO SERVICE ON 10-02-00 IAH MX REMOVED/REPLACED THE APU AND CLEARESep 27, 2000 · N14938 · Emb EMB145SDR C2XAOOIA353Apu · leakingEWR-DURING PRE-FLIGHT INSPECTION THE CREW REPORTED THAT UPON APU START THE CABIN FILLED WITH SMOKE. MX PLACED THE APU ON MEL ATA49-00-00 CONTROL 001068, AND THE A/C WAS APPROVED FOR RETURN TO SERVICE ON 10/2/00. THE A/C LANDED AT IAH WHERE MX REMOVED/REPLACED Sep 23, 2000 · N14938 · Emb EMB145SDR C2XA00IA353Apu · leakingEWR-DURING PRE-FLIGHT INSPECTION THE CREW REPORTED THAT UPON APU START THE CABIN FILLED WITH SMOKE. MAINTENANCE PLACED THE APU ON MEL ATA49-00-00 CONTROL 001068, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 10/02/00 THE AIRCRAFT LANDED AT IAH WHERE Sep 23, 2000 · N14938 · Emb EMB145SDR AALA20001460Apu · leakingORD - FLT 1229 - AFTER TAKEOFF ORD, FLIGHT ATTENDANTS REPORTED SMOKE IN THE CABIN. RETURNED TO ORD AND LANDED OVERWEIGHT WITHOUT INCIDENT. FOUND APU LEAKING OIL FROM THE MASTER CHIP DETECTOR REPLACED APU ASSEMBLY AND LEAKED CHECKED GOOD. ACCOMPLISHED PACK BSep 5, 2000 · N439AA · Doug DC982SDR 0003253249B-Nut · leakingDURING FLIGHT, CREW AND PASSENGERS BEGAN COMPLAINING OF MILDEW SMELL AND EYE/THROAT IRRITATION. AS FLIGHT PROGRESSED SITUATION IMPROVED. A/C LANDED AT DESTINATION AIRPORT. MAINTENANCE FOUND APU OIL LEAK AT B-NUT ON TOP OF APU OIL PRESSURE SWITCH. B-NUT WASSep 3, 2000 · N349NW · Airbus A320212SDR QXEA0002484Apu · leakingSEA - THE SMOKE ALARM IN THE LAVATORY SOUNDED, IT RESET ITSELF AND NO FUMES OR SMOKE WERE NOTED. UPON INSPECTION, FOUND APU OIL SEAL LEAKING, ALLOWING OIL CONTAMINATION VIA THE BLEED AIR SYSTEM. PLACED APU ON DEFERRED MAINTENANCE LIST AND REPLACED AIR CONDITSep 2, 2000 · N486US · Fokker F28MK4000SDR AALA20001431Apu · leakingDFW - FLT 1806 - AFTER TAKEOFF, CABIN FILLED WITH SMOKE. LANDED DFW WITHOUT INCIDENT. REPLACED AUXILIARY POWER UNIT. SYSTEM GROUND CHECK NORMAL OPERATION. (M)Aug 28, 2000 · N288AA · Doug DC982SDR CA000905016Bleed Valve · failed(CAN) ON TWO OCCASIONS, THE CREW EXPERIENCED A FIRE INDICATION ON THE APU WHILE THE AIRCRAFT WAS AT CRUISING ALTITUDE. ON BOTH OCCASIONS, THE APU SHUT DOWN AND THROUGH CREW PROCEDURES, THE APU FIRE BOTTLE WAS DISCHARGED. IN BOTH OCCURRENCES, MAINTENANCE INSPECAug 18, 2000 · Boeing 737281SDR C2XA00IA260Apu · leakingIAH - FLT 4055 - THE CREW REPORTED SMOKE IN THE CABIN WITH THE APU RUNNING. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL CONTROL NR 307952, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. Aug 18, 2000 · N14972 · Emb EMB145LRSDR C2XA00IA252Apu · leakingSHV - THE CREW REPORTED THAT THE APU EMITS A FUEL SMELL IN THE COCKPIT AND CABIN ON THE GROUND. MAINTENANCE REMOVED AND REPLACED THE APU IAW EMB120 MM 49-00-02, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)Aug 10, 2000 · N15713 · Emb EMB120RTSDR AALA20001174Cooler · leakingDFW - FLT 1258 - ON TAKEOFF, CREW REPORTED SMOKE IN CABIN. DECLARED EMERGENCY, RETURNED AND LANDED DFW WITHOUT INCIDENT. REPAIRED OIL LEAK ON OIL COOLER ASSY. CHANGED COALESCER BAGS AND ACCOMPLISHED PACK BURN-OUT. SYSTEM GROUND CHECKED, NORMAL OPERATION. Jul 17, 2000 · N487AA · Doug DC982SDR 0002429866Warning Light · illuminatedDURING TAKEOFF AT 110 KNOTS, MASTER CAUTION LIGHT AND APU LOW OIL PRESSURE WARNING ANNUNCIATED, ABORTED TAKEOFF. MAINTENANCE PERFORMED REJECTED TAKEOFF INSPECTIONS AND REPLACED THE APU.Jul 16, 2000 · N775NC · Doug DC951SDR COMA0060556Pressure Switch · malfunctionedAPU OIL PRESSURE CAUTION MESSAGE. REPLACED THE OIL PRESSURE SWITCH.Jul 7, 2000 · N784CA · Cndair CL6002B19SDR 2000UALA00403Apu · malfunctionedAPU OIL CONSUMPTION ABOVE LIMIT. AIRCRAFT REMOVED FROM ETOPS.Jul 5, 2000 · N664UA · Boeing 767322SDR AALA20000998Line · looseDEN - FLT 1634 - EN ROUTE DEN-ORD, AFTER DEPARTURE SMOKE IN CABIN. RETURNED TO DEN AND LANDED WITHOUT INCIDENT. TIGHTEND APU OIL LINE FITTING ELBOW. REPLACED LEFT AND RIHT COALESCER BAGS PRIOR TO PACK BURNOUT. ACCOMPLISHED PACK BURNOUT OF LEFT AND RIGHT PAJun 14, 2000 · N292AA · Doug DC982SDR COMA0060504Apu · lack of lubeAPU LOW OIL PRESSURE. SERVICED APU WITH OIL.Jun 13, 2000 · N964CA · Cndair CL6002B19SDR AALA20000946Apu · leakingPHX - FLT 2018 - SHORTLY AFTER TAKEOFF FROM PHX, THE CABIN BEGAN TO FILL WITH SMOKE. AS AIRCRAFT CLIMBED, THE SMOKE BECAME THICKER. ALL ENGINE GAUGES WERE NORMAL. THE RIGHT PACK WAS SHUTOFF AND J-7 CIRCUIT BREAKER WAS PULLED. NO HELP INITIALLY. RETURNED AJun 7, 2000 · N429AA · Doug DC982SDR AALA20000852Housing · leakingSLC - FLT 1706 - AFTER TAKEOFF, SMOKE REPORTED IN CABIN. APU CHIP DETECTOR AND HOUSING LEAKING OIL. RESEALED CHIP DETECTOR AND HOUSING. CLEANED APU DUCTING AND CHANGED WATER SEPARATOR SOCKS. ACCOMPLISHED BURN OUT, NO SMOKE SMELL DETECTED. SYSTEM GROUND CHMay 22, 2000 · N585AA · Doug DC982SDR AALA20000741Apu · leakingIAH - FLT 2082 - AFTER TAKEOFF, STRONG BURNING OIL SMELL ALONG WITH SMOKE IN CABIN. RETURNED AND LANDED IAH WITHOUT INCIDENT. APU BEING USED AS SUPPLEMENTAL ELECTRICAL SOURCE. REPLACED APU AND ACCOMPLISHED HIGH PRESSURE PNEUMATIC BURNOUT AND PACK BURNOUT. May 9, 2000 · N557AN · Doug DC982SDR CA000511036Apu · overserviced(CAN) SMOKE TOILET MESSAGE APPEARED ON EICAS AFTER TRANSFERING PACKS TO APU BLEED AIR. APU FOUND OVERSERVICED BY APPROX. 1/2 QT.May 6, 2000 · Cndair CL6002B19SDR AALA20000698Apu · leakingSLC - FLT 1464 - AT 3,000 FEET, AFL CABIN FILLED WITH SMOKE. REPLACED AUXILIARY POWER UNIT. LEAKING OIL. REPLACED COELESCER BAGS AND ACCOMPLISHED PACK BURN-OUT. SYSTEM GROUND CHECK , NORMAL OPERATION. (X)Apr 27, 2000 · N242AA · Doug DC982SDR AALA20000697Apu · leakingABQ - FLT 1724 - AFTER TAKEOFF, CREW REPORTED SMOKE IN CABIN. RETURNED AND LANDED ABQ WITHOUT INCIDENT. REPLACED APU. LEAKING OIL. REPLACED COELESCER BAGS AND ACCOMPLISHED PACK BURN-OUT. SYSTEM GROUND CHECK, NORMAL OPERATION. (X)Apr 25, 2000 · N516AM · Doug DC982SDR 20000505AP033Seal · leakingSMOKE DETECTOR IN CABIN WHEN RUNNING OFF OF APU BLEED INFLIGHT OR ON THE GROUND. REPLACED APU. PROBLEM FOUND TO BE AN INTERNAL SEAL FAILURE. (M)Mar 17, 2000 · N85GL · Emb EMB120SDR 2000UALA00061Pressure Switch · leakingSTRONG ODOR MOSTLY IN AFT CABIN AND ON FLIGHT DECK. FLEW WITH CABIN FANS OFF, HI FLOW, AND NR 1 PACK OFF. BECAME TOLERABLE. *S/D* ISOLATED OIL SMELL TO APU. REPLACED APU REF MM 49-11-98.Feb 8, 2000 · N416UA · Airbus A320232SDR EIA2000005O-Ring · failedKCLT - APU OIL QUANTITY FELL TO ZERO, ACCOMPANIED BY APU AUTO SHUTDOWN. REPLACED NR 1 GENERATOR SHAFT O-RING AND RESEATED SHAFT SEAL. OPS AND LEAK CHECKS NORMAL. (M)Jan 28, 2000 · N3203Y · Boeing 747128SDR CA000120030Apu · failed(CAN) IN FLIGHT THE CREW NOTICED SMOKE IN THE COCKPIT AND CABIN. THE APU EGT WAS IN THE YELLOW RANGE AND SHUT DOWN AS PER QRH. ONCE APU STOPPED, THE SMOKE EVACUATED. MAINTENANCE REMOVED WATER SEPERATOR TO CLEAN COALESCER BAG. APU DID LOOSE MOST OF THE OIL.Jan 20, 2000 · Cndair CL6002B19SDR DLM88992704Apu · leakingWITH ENG A/I ON AND PNEUMATIC X-FFED CLOSED, GOT SMOKE AND FUMES IN CABIN. BOTH AFT LAV SMOKE DETECTORS WENT OFF. ENG A/I ON FOR APPROX 20 MINS. A/C WAS ON APPROACH WITH ENG PWR AT 1.3 EPR, ALT BELOW 10K FT. PERFORMED DUCT BURN-OUT PER MM. REPLACED WATDec 10, 1999 · N934DL · Doug MD88SDR DL76L992699O-Ring · failedATTEMPTED APU START AT 22,000. APU FAILED TO START WITH ASSOC APU FAULT EICAS MSG. ATTEMPTED 2ND START ON GROUND AT CVG. 2ND START SUCCESSFUL. FOUND APU BITE MSG EGT 293 - RPM 95 PERCENT - AUTO EVENT ECU BITE SHOWS LAST SHUTDOWN NORMAL. SHUTDOWN NR 2 LOP Dec 9, 1999 · N1201P · Boeing 767332SDR DLM88992647Apu · leakingDURING FLT, BURNING ODOR WAS NOTICED IN CABIN AND AFT LAV SMOKE DETECTOR WENT OFF. A/C RETURNED TO DEN. SUSPECT LEAK IN APU SYSTEM. DEACTIVATED APU. PERFORMED DUCT BURN-OUT PER MM. REPLACED COALESCER BAGS.Dec 4, 1999 · N911DL · Doug MD88SDR 9904929867Apu · leakingAFTER TAKEOFF AFT LEFT LAV SMOKE DETECTOR SOUNDED AND SMOKE APPARENT IN LAV. MAINTENANCE FOUND OIL LEAK FROM THE APU WAS BEING INGESTED INTO THE AC PNEUMATIC SYSTEM. APU AND WATER SEPARATORS REPLACED.Nov 14, 1999 · N776NC · Doug DC951SDR AWXA9900396Oil Sys · leakingUPON ACCEPTING A/C IN LAS, SMELLED THE DIRTY SOCK SMELL FAIRLY STRONG. CLEANED AND REMOVED RESIDUAL OIL FROM APU INLET, SMELL CLEARED. APU OPS CK GOOD. SUSPECT SLOW EXTERNAL OIL SEEP CAUSING APU INLET.Nov 2, 1999 · N644AW · Airbus A320231SDR SWIA971587Oil Sys · reqd serviceEN ROUTE TO HLN CLIMBING THROUGH 28,000 FT, RECEIVED AN APU LOW OIL PRESSURE LIGHT ON EICAS ONE. RETURNED TO SLC. SERVICED APU OIL TO CORRECT LEVEL. INSPECTED APU AND OBSERVED NO LEAKS OR OTHER ABNORMALITIES. OPS CHECKS GOOD AT THIS TIME.Oct 27, 1999 · N405SW · Cndair CL6002B19SDR AWXA9900345Oil Cooler · leakingDURING DESCENT WITH POWER AT IDLE, NOXIOUS ODORS EMANATED FROM THE LT PACK, CAPABLE OF EYE AND THROAT IRRITATION. ISOLATED TO LEAKING OIL COOLER. REMOVED AND REPLACED OIL COOLER AND OZONE FILTERS.Oct 6, 1999 · N646AW · Airbus A320231SDR AALA991408Apu · leakingORD - FLT 0453 - AFTER TAKEOFF ORD, SMOKE WAS DETECTED IN THE CABIN. FLIGHT ATTENDANTS NOTED SMOKE IN THE CABIN AND COCKPIT CREW EXPERIENCED SMOKE IN THE COCKPIT WITH THE SMELL OF BURNING OIL OR RUBBER. AIR CONDITIONING PACKS WERE TURNED OFF IMMEIDATELY; AFTSep 19, 1999 · N480AA · Doug DC982SDR CA990927091Apu · leaking(CAN) SMOKE EMITTED FROM AIR CONDITIONING UNITS WHEN SELECTED TO APU BLEED. INVESTIGATION REVEALED SMALL OIL LEAK ON APU. UNIT REPLACED.Aug 31, 1999 · Airbus A319114SDR AALA991275Gasket · defectiveDFW - FLT 896 - EN ROUTE SNA-DFW, NON ELECTRICAL ODOR AND HAZY SMOKE NOTED IN CABIN DURING HIGH POWER SETTINGS. ODOR AND HAZY SMOKE DISSIPATED DURING CRUISE BUT RETURNED ON DESCENT. AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED SEAL ON APU OIL TANK CAP. RAug 25, 1999 · N289AA · Doug DC982
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