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 ASAA2017110522435Warning Light · false activationDURING APU SHUTDOWN, A LOW OIL PRESSURE LIGHT ILLUMINATED AND STAYED ON. ACFT GROUNDED. OPS CHECKED APU, FOUND NORMAL. NO HISTORY LAST 90 DAYS. VERIFIED OIL FULL. VERIFIED NO CURRENT FAULTS.Nov 5, 2017 · N442AS · Boeing 737990ERSDR GTIA2017110202220Seal · leakingDESCENDING THROUGH 6000 FT, DETECTED A WET SOCK ODOR.. IAW TSM 05-50-00-810-831A, FOUND THE OIL LEAK AT APU MIDDLE DRAIN OF DRAIN BRACKET FRONT BEARING SEAL. ALSO LEAKING AT THE OIL PRESSURE SWITCH.Nov 2, 2017 · N629NK · Airbus A320232SDR HALA2017103100265Oil Cooler · faultedDIVERSION/ATB, APU FAILED/AUTO SHUTDOWN DURING TEST FLIGHT. HIGH OIL TEMP-OIL COOLER AND COOL FAN ASSY FAULTED. REPLACE OIL COOLER.Oct 30, 2017 · N389HA · Airbus A330243SDR ASAA2017102922341Oil System · lowBLUE APU MAINT LIGHT ILLUMINATED AFTER APU START. ACFT GROUNDED. SERVICED THE APU OIL IAW AMM 12-13-31.Oct 29, 2017 · N569AS · Boeing 737890SDR GTIA2017101702205Line · leakingWET SOCK ODOR AT 6,000 FT, ISOLATED THE NR 1 PACK AND THE SMELL CLEARED. FOUND APU SCAVANGE OIL LINE LEAKING, TORQUED THE LINE IAW AMM 20-21-11. OPS AND LEAK CHECKED GOOD.Oct 17, 2017 · N629NK · Airbus A320232SDR AALA201710169020Packing · leakingF/A'S REPORTED A DIRTY SOCK ODOR DURING TAKEOFF, AT ABOUT 10,000 FT, UNTIL TOUCH DOWN. FOUND OIL INGESTED IN APU COMPRESSOR SECTION. APU LEAKING OIL FROM GENERATOR MOUNT GASKET. REPLACED APU TURBINE CAVITY VENT TUBE PACKING IAW AMM.Oct 13, 2017 · N820AW · Airbus A319132SDR GTIA2017101202191Line · looseODOR OF SWEATY FEET/SOCKS IN COCKPIT ON DESCENT. FOUND APU OIL TRANSFER TUBES LOOSE. RESECURED OIL TUBES AS REQ IAW AMM 49-21-00. LEAK CHECK GOOD. C/W DECONTAMINANT OF ECS AS REQ IAW AMM 21-00-00-615-002 & 21-00-615-004. NO SMELL DETECTED. REMOVED & REPLACED Oct 12, 2017 · N524NK · Airbus A319132SDR YENA201710070822Oil System · leakingDURING DESCENT, PASSING 9000FT, HAD A DIRTY SOCK ODOR. PERFORMED APU CLEANING PROCEDURE ECS DECONTAMINATION. SERVICED THE APU OIL SYSTEM. ACFT OK FOR SERVICE.Oct 7, 2017 · N779JB · Airbus A320232SDR DXTAT2PL6D005EEJ8Oil System · overservicedSTRONG EXHAUST FUEL, OIL ODOR STARTING THRU 18,000 FT AND INCREASING INTENSITY THROUGH CRUISE AND DECENT. UNABLE TO ISOLATE ISSUE AND USED OXYGENMASK FOR THE DURATION OF FLIGHT. INSTALLED NEW COALESCER SOCK. OPS AND LEAK CHECKED GOOD. WORK DONE IAW MM 21-5Oct 1, 2017 · N342QS · Cessna 680CESDR UIEA2017100101910Pressure Switch · leakingAPU HAS AN OIL LEAK, FOUND ON POST ACFT POSITIONING WALK AROUND. R & R THE OIL PRESSURE SWITCH IAW AMM 49-94-02, LEAK CHECKED GOOD.Oct 1, 2017 · N641GT · Boeing 76738ESDR AALA201709299014Seal · leakingOIL ODOR IN THE CABIN, FOUND APU OIL SCAVANGE TUBE AT THE 7 O'CLOCK POSITION, AFT OF AIR INTAKE, LEAKING. REMOVED AND REPLACED OIL SCAVANGE TUBE SEAL IAW AMM.Sep 28, 2017 · N673AW · Airbus A320232SDR YENA201709260799Oil System · overservicedOIL FUMES DURING DESCENT BELOW 10,000 FT, HP VALVE WAS OPEN, FOUND APU OIL OVERSERVICED. REMOVED EXCESSIVE OIL, CLEANED APU, APU BAY, AND INLET DUCTS. ACCOMPLISHED PACK BURN. ACFT OK FOR SERVICE. ACCOMPLISHED ECS DECONTAMINATION IAW 21-00-00-615-002-A.Sep 26, 2017 · N561JB · Airbus A320232SDR UIEA2017092501855Pressure Switch · leakingOIL LEAK FROM THE APU. R & R THE OIL PRESSURE SWITCH, OPS CHECKED GOOD, LEAK CHECKED GOOD IAW AMM 49-94-02.Sep 21, 2017 · N641GT · Boeing 76738ESDR ASAA2017092122014Warning Message · false activationAPU BLUE MAINTENANCE LIGHT ILLUMINATED AFTER APU START. ACFT GROUNDED. PERFORMED APU BITE AND FOUND MAINTENANCE MESSAGE 49-91227 FOR LOW OIL LOGGED. CHECKED APU OIL AND FOUND FULL. PERFORMED LOW OIL QTY FAULT ISOLATION IAW FIM 49-90, TASK 804. APU FAULT Sep 21, 2017 · N474AS · Boeing 737990ERSDR F3LA2017092100228Tube · leakingREPORTS OF AN ODOR IN THE COCKPIT AND CABIN BY THE FLIGHT CREW. FOUND HEAVY OIL LEACKAGE AND POOLING IN THE APU COMPARTMENT. LEAK SOURCE FOUND TO BE APU OIL COOLER FEED AND RETURN LINES. REMOVED AND REPLACED FEED AND RETURN LINES IAW AMM 20-21-11-991, AND Sep 14, 2017 · N216FR · Airbus A320214SDR F3LA2017092100227Tube · bentDISCREPANCY: REFERENCE LOG PAGES 9044632, 9044633 AND PEMCO NR 1781N1 REPETITIVE REPORTS OF ODOR IN THE COCKPIT AND CABIN BY THE FLIGHT CREW. FOUND HEAVY OIL LEACKAGE AND POOLING IN THE APU COMPARTMENT. LEAK SOURCE FOUND TO BE APU OIL COOLER FEED AND RETURN LSep 14, 2017 · N216FR · Airbus A320214SDR F3LA2017091400224Line · leakingODOR IN CABIN. FOUND OIL SUPPLY LINE LEAKING. REMOVED AND REPLACED THE O-RING AND SECURED IAW AMM 49-99-44-400-802-A. PERFORMED OPERATIONAL CHECK FLIGHT. NO ODOR NOTED.Sep 12, 2017 · N216FR · Airbus A320214SDR UIEA2017091101631Seal · leakingDURING A DAILY INSPECTION, FOUND APU OIL LEAKING FROM THE OIL COOLER BYPASS VALVE. REMOVED AND REPLACED TWO SEALS IAW 49-27-10. NO LEAKS NOTED.Sep 10, 2017 · N1229A · Boeing 767306SDR AALA201709069026Cooling Fan · odorCOCKPIT AND CABIN ODOR SIMILAR TO DIRTY SOCKS, SHORTLY AFTER APU BLEED TURNED ON. MAINTENANCE DETERMINED APU OIL COOLER AND OIL COOLING FAN TO BE THE SOURCE OF ODOR. REPLACED OIL COOLING FAN IAW AMM 49-52-51. AIRCRAFT WAS GROUNDED.Sep 3, 2017 · N741UW · Airbus A319112SDR AALA201709069006Oil Cooler · leakingCOCKPIT AND CABIN ODOR, SIMILAR TO DIRTY SOCKS, SHORTLY AFTER APU BLEED TURNED ON. MAINTENANCE DETERMINED THE APU OIL COOLER AND OIL COOLING FAN TO BE THE SOURCE OF ODOR. REPLACED OIL COOLER IAW AMM 49-91-44. AIRCRAFT WAS GROUNDED.Sep 3, 2017 · N741UW · Airbus A319112SDR AALA201709069023Apu · leakingDIRTY SOCK ODOR REPORTED IN AFT AREA OF ACFT. FOUND OIL IN APU OIL INLET. ACCOMPLISHED TASK CARD 26L00021004 FOR DECONTAMINATION, NO CABIN ODOR AT COMPLETION . ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK. AIRCRAFT WAS GROUNDED.Sep 2, 2017 · N601AW · Airbus A320232SDR AALA201709069022Apu · overservicedA STRONG ODOR OF DIRTY SOCK, EXHAUST ODOR. STRONGEST DURING DESCENT AT AROUND 6000 FT. FOUND THE APU OIL OVERSERVICED, CORRECTED BUT ODOR STILL EXISTS. REPLACED THE APU IAW CARD 26L31049005 AND ACCOMPLISHED TASK CARD 26L00021004 FOR DECONTAMINATION. NO CABISep 2, 2017 · N601AW · Airbus A320232SDR CALA2017090102960Oil Cooler · leakingAPU AUTO SHUTDOWN WITH OIL ODOR IN COCKPIT AND CABIN. REPLACED APU OIL COOLER IAW AMM 49-27-09-402-061. RAN APU. OPERATIONALY AND LEAK CHECKED GOOD. NO SMOKE IN COCKPIT OR CABIN.Sep 1, 2017 · N19130 · Boeing 757224SDR ASOA201708297012Seal · leakingACFT HAD A STRONG OIL ODOR WHILE THE PACKS WERE BEING POWERED BY THE APU. MAINTENANCE R & R THE STARTER GENERATOR OIL SEAL ASSEMBLY IAW CMM 49-26-01-030-037 AND DECONTAMINATED THE ACFT SYSTEM IAW AMM 21-20-00-100-805-A/700. OPS AND LEAK CHECKED GOOD AND ACFT Aug 29, 2017 · N11544 · Emb EMB145LRSDR ASAA2017082621726Oil System · lowAPU MAINTENANCE LIGHT IS ILLUMINATED. GROUNDED - YES. SERVICED APU OIL (ADDED 1 QT). APU MAINTENANCE LIGHT IS NOT ILLUMINATED ANY MORE. NO LEAKS NOTED. OK FOR SERVICE.Aug 26, 2017 · N487AS · Boeing 737990ERSDR AALA201708289031Seal · leakingOIL ODOR IN THE COCKPIT, FOUND APU OIL SERVICE CAP SEAL DAMAGED. APU COMPARTMENT COVERED IN OIL. FOUND APU OIL SERVICE CAP SEAL DAMAGED. REMOVED AND REPLACED O-RING ON APU SERVICE CAP LEAK CHECK GOOD.Aug 25, 2017 · N656AW · Airbus A320232SDR AALA201708289063Fan · leakingOIL ODOR THROUGH OUT THE AIRCRAFT. OIL AND DIRTY SOCK ODOR IN CABIN. MAINTENANCE FOUND THE APU OIL LEVEL OVERSERVICED AND ACCESSORY FAN LEAKING WITH OIL IN THE INTAKE. REPLACED THE FAN AND CLEANED THE INTAKE. ACCOMPLISHED MCM 05-96-84, 05-96-85, 05-96-86, AAug 25, 2017 · N166NN · Airbus A321231SDR UIEA2017082401538Warning Message · false activationAPU QUANTITY STARTED AND OPERATED APU BY 30 MINUTES WITH PNEUMATIC & SUPPLY ON MONITOR FOR LEAKS, NO LEAKS NOTED. CHECKED OIL QTY AGAIN NO OIL LOSS NOTED. PERFORMED APU BITE TEST, CHECKED FLAGS, NO FAULTS NOTED IAW AMM 12-13-04 AND AMM 49-11-00 FIM 49-11FTAug 24, 2017 · N1217A · Boeing 767375SDR YENA201708240686Oil System · overservicedCABIN ODOR MUSTY ODOR OCCURRED IMMEDIATELY AFTER TAKE OFF AND LASTED UNTIL ABOUT 10,000 FT ON CLIMBOUT. OCCURRED AGAIN ON DESCENT WHEN LEVEL AT 6000FT, STRONG ODOR. APU TEST DUPLICATED THE FAULT. ACCOMPLISHED TSM 49-00-81-810-875A, FOUND APU OIL LEVEL OVERSAug 24, 2017 · N827JB · Airbus A320232SDR YENA201708200688Fan · failedDIRTY SOCK ODOR THROUGHOUT AIRCRAFT. ODOR ISOLATED TO APU. PEFORMED DECONTAMINATION OF THE (ECS) IAW AMM 21-00-00-615-004-A. R & R DEOILER CASING SEAL ASSY AT ENG #1 IAW AMM 72-60-31. NO LEAKS. REMOVED & REPLACED APU COOLING FAN IAW AMM 49-52-51 & APU OIL CAug 20, 2017 · N517JB · Airbus A320232SDR YENA201708200687Oil Cooler · failedDIRTY SOCK ODOR THROUGHOUT AIRCRAFT, DETECTED BY ALL FLIGHT CREW MEMBERS. ODOR ISOLATED TO APU. PEFORMED DECONTAMINATION OF THE (ECS) IAW AMM 21-00-00-615-004-A. R & R THE DEOILER CASING SEAL ASSY AT THE NR 1 ENGINE IAW AMM 72-60-31. NO LEAKS. REMOVED & REAug 20, 2017 · N517JB · Airbus A320232SDR YENA201708190680Actuator · leakingA MUSTY ODOR DURING DESCENT. AN APU TEST DUPLICATED FAULT. ACCOMP TSM 49-00-81-810. FOUND APU OIL LEVEL OVERSERVICED. REPLENISH LEVEL IAW AMM 49-00-00. ALSO ALSO FOUND IGV ACTUATOR LEAKING. ACTUATOR REPLACED IAW AMM 49-23-51. LEAK CHECKED GOOD. ECS DECONTAAug 19, 2017 · N827JB · Airbus A320232SDR P5CA2017081800279Apu · oil consumptionMAGENTA ADD DISPLAY ON STATUS PAGE FOR APU. SERVICED APU WITH 3 QTS IAW AMM 12-49-01. REPLACED IAW AMM 49-11-01, OPS AND LEAK CHECKED NORMAL.Aug 18, 2017 · N647GT · Boeing 767306SDR HALA2017082100229Tube · leakingOIL ODOR NOTED WHILE RUNNING ON APU. REMOVED AND REPLACED FILLER TUBE ASSY IAW 49-91-11. LEAK CHECKED GOOD.Aug 18, 2017 · N490HA · Boeing 717200SDR AALA201708189006Apu · leakingODOR REPORTED IN CABIN AFTER TAKE OFF THEN AGAIN AFTER LANDING. FOUND APU TO BE SOURCE OF CABIN ODOR. MAINTENANCE FOUND PLUG LEAKING OIL ON ACCESSORY GEARBOX. REPLACED APU IAW AMM.Aug 17, 2017 · N733UW · Airbus A319112SDR ASAA2017081721655Warning Light · false activationON APU START UP, BLUE MAINT LIGHT ILLUMINATED. NO OTHER DEFECT NOTED ON START. ACFT GROUNDED. CDS REPORTED MTX MESSAGE 49-91227 FOR LOW OIL QTY. COMPLIED WITH FIM TASK 49-90, 804 AND AMM 12-13-31-610-803. NOTED OIL TANK WAS COMPLETLY FULL ON INSPECTION.Aug 17, 2017 · N493AS · Boeing 737990ERSDR HALA2017081700226Valve · malfunctionedAPU FAULT ON LANDING RESTART UNSUCCESSFUL. OIL AT .50. REPLACED THE DEOIL SOLENOID VALVE IAW 49-27-08-404-010 AND EXCITER IGNITION IAW 49-41-03-404-010 DUE TO AN IGNITION UNIT MESSAGE DURING BITE TEST OF APU ECU. SERVICED APU HALF PINT OF OIL AND PERFORMED AAug 16, 2017 · N583HA · Boeing 76733ASDR YENA201708140661Oil System · leakingDURING DESCENT WITHOUT APU RUNNING, PASSING 18K, HAD A COCKPIT ODOR. ODOR GOT STRONGER PASSING 5K, PERFORMED INFO NOTICE AND TASK 05-50-00-810-831-A. INSPECTED THE APU IAW AMM 49-00-81-810-874-A. FOUND DRAIN LEAKING OIL FROM AFT DRAIN TUBE. PERFORMED TAug 14, 2017 · N662JB · Airbus A320232SDR DALA2017082106325Oil Cooler · leakingEXPERIENCED A DIRTY SOCK ODOR DURING TAXI OUT. RETURNED TO GATE. FOUND AN OIL LEAK AT OIL COOLER FLANGE. EXTERNAL LEAK DRIPPED ON TOP OF INTAKE DUCT AND WAS BEING INGESTED INTO APU INTAKE PLENUM. HIGH POWER ENGINE RUN. REPLACED THE RECIRCULATION FILTERS. NOAug 14, 2017 · N370NW · Airbus A320212SDR AALA201708079035Oil Cap · leakingWET SOCK ODOR THROUGH OUT THE AIRCRAFT. HEAVY RAIN ON TAXI OUT FROM DEPARTURE AIRPORT. ODOR STARTED GOING AWAY AT CRUISE. FOUND APU OIL CAP LEAKING, REPLACED OIL CAP IAW CMM 49-27-31.Aug 5, 2017 · N538UW · Airbus A321231SDR GTIA2017080302135Pressure Switch · leakingODOR OF DIRTY SOCKS IN FLIGHT DECK DURING DESCENT. UPON INSPECTION FOUND OIL LEAKING FROM APU OIL PRESSURE SWITCH. PERFORMED DECONTAMINATION PROCEDURE OF THE ENVIRONMENTAL CONTROL SYSTEM IAW AMM 21-00-00-615-002-A . NO EVIDENCE OF ANY FURTHER CONTAMINATION ORAug 4, 2017 · N605NK · Airbus A320232SDR P5CA2017080400250Packing · defectiveAPU OIL QTY LOW AT ARRIVAL. REPLACED PACKING AT CAP AND ADJUSTED HANDLE TENSION CHECKS NORMAL PER AMM 49-11-00.Aug 2, 2017 · N647GT · Boeing 767306SDR P5CA2017072900245O-Ring · leakingON ARRIVAL APU OIL INDICATES .50 QTY. CHECKS SIGHT GUAGE AND JUST ABOVE ADD LEVEL(<P>SERVICED 3 QTS OF OIL AND OPERATED 1 HRS 45 MINS. NO OIL LEAK FOUND IN APU COMPARTMENT TAIL PIPE AND COOLING AIR DUCT DISCHARGE DUCT. NO OIL FOUND BUT APU INOPERATIVE. REMOVEJul 28, 2017 · N647GT · Boeing 767306SDR P5CA2017072800243Oil System · lowAPU OIL QUANTITY 0.25 WITH ADD ANNUNCIATED. APU OIL SERVICING UPLIFT 2 QTS IAW AMM 12-13-02. APU OPERATING TEST PERFORMED OIL INDICATION AND PARAMETERS DATA NORMAL IAW AMM 49-11-00.Jul 28, 2017 · N647GT · Boeing 767306SDR AALA201707259009Apu · overservicedAIRCRAFT AFT SECTION BEHIND ROW 24, NEAR THE L2 AND R2 JUMPSEATS, HAS AN ACRID ODOR, HARD TO IDENTIFY, MAINTENANCE NOTIFIED. EVENT BEGAN ONE HOUR INTO FLIGHT. MAINTENANCE ACCOMPLISHED PACK BURN OUT IAW AMM 21-00-00. NO ACRID ODOR NOTED. AIRCRAFT WAS GROUNDJul 24, 2017 · N9018E · Airbus A319115SDR YENA201707240615Oil System · overservicedOUT OF 2,000 FEET DURING DECENT AT 250 KNOTS, A DIRTY SOCKS ODOR OVERTAKE THE ENTIRE FLIGHT DECK FLIGHT ATTENDENTS COULD SMELL IT IN THE AFT GALLEY AS WELL; COMPLIED WITH INFORMATION NOTICE 2017-T015A, SECTION B, TABLE 1 AIRCRAFT IS OK FOR SERVICE. WHILE CHECKJul 24, 2017 · N627JB · Airbus A320232SDR P5CA2017072500231Control Valve · leakingFOUND APU OIL DROPPED LOW LEVEL. FOUND APU OIL WAS LEAKING FROM THE TEMP CONTROL VALVE ASSY. R & R THE CONTROL VALVE.Jul 24, 2017 · N647GT · Boeing 767306SDR AALA201707269028Seal · leakingAIRCRAFT WAS GROUNDED. AFT FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL. REMOVED AND REPLACED AUXILIARY POWER UNIT TURBINE CAVITY VENT SEALS ( AALA201707269015) PER AMM 49-91-53. LEAK AND OPERATIONAL CHECK GOOD. ODOR REPEATED ON 7/23/17 RESULTING IN APU CHAJul 20, 2017 · N810AW · Airbus A319132SDR AALA201707269015Seal · leakingAIRCRAFT WAS GROUNDED. AFT FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL. REMOVED AND REPLACED AUXILIARY POWER UNIT TURBINE CAVITY VENT SEALS (AALA201707269028) PER AMM 49-91-53. LEAK AND OPERATIONAL CHECK GOOD. ODOR REPEATED ON 7/23/17 RESULTING IN APU CHANJul 20, 2017 · N810AW · Airbus A319132SDR ASAA2017071821414Filter · contaminatedAPU LUBE MODULE FILTER DELTA-P INDICATOR EXTENDED. ACFT GROUNDED. PERFORMED OIL FILTER INDICATOR INSPECTION & SERVICING. NO MATERIAL FOUND ON MAGNETIC DRAIN PLUG. RESET FILTER INDICATOR, REPLACED FILTER. LEAK & OPS CHECK OK. SERVICED APU OIL IAW AMM 49-91-13Jul 18, 2017 · N512AS · Boeing 737890
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