JASC 4930

Service difficulty reports · 1,087

Reports filed under 4930 · APU Engine Fuel and Control, 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 = '4930'
  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 QXEA2023111300167Module · malfunctionedAT APPROX. 300' AGL, THE APU FAILED. AT 400' ICASS MESSAGE APU FAIL MESSAGE ILLUMINATED. RETURNED TO FIELD. L;ANDING UNEVENTFUL. REMOVED FROM SERVICE. REF W/O 335965 TASK CARD: ECMP-APS2300 FMA R/R FOR WORK PERFORMED. REPLACED APU FUEL MODULE ASSY. RETURNED TONov 12, 2023 · N637QX · Emb ERJ170200LRSDR ASAA2023110846077Fuel Control · faultyFAULT CODE 49-31161 "FCU RESOLVER CIRCUIT SHOWS SHORT" FOUND WHILE PERFORMING T/C 05-020-01. GROUNDED - YES. (RESOLVED ON W/O: 1977120 TASKCARD: N/R-00001 ) REMOVED AND REPLACED APU FCU PER AMM 49-31-11NO LEAKS NOTED.PERFORMED APU BITEPER AMM 49-61-00NO EXISTINov 8, 2023 · N990AK · Boeing 7379SDR AALA202312186217Fuel Control · leakingAIRCRAFT WAS GROUNDED: DURING CLIMBOUT BELOW 10,000 FT. A MILD/TRANSIENT DIRTY SOCK ODOR WAS PRESENT IN BOTH FRONT AND AFT SECTIONS OF THE AIRCRAFT. ODOR DISSIPATED BY 10,000 FEET BUT WAS DETECTABLE AGAIN BELOW 1000' ON LANDING BUT VERY FAINT. MAINTENANCE ISOLNov 7, 2023 · N104UW · Airbus A320214SDR DALA2023110709147Unknown · unknownDIRTY SOCK SMELL THROUGHOUT CABIN WITH APU BLEED ON. CORRECTIVE ACTION: FOUND APU LEAKING OIL FROM ACCESSORY DRAIN ON WALKAROUND. OPENED APU COMPARTMENT AND FOUND FUEL LEAKING FROM DIVIDER ASSY (59KF25). FUEL PUDDLED INSIDE DOOR AND DRIPPING INTO INLET. INSTALNov 5, 2023 · N855NW · Airbus A330223SDR HALA20231016228Pump · faultedETOPS - WHEN STARTING APU AFTER LANDING,ECAM FUEL-APU AFT PUMP FAULT WITH BUZZING SOUND BY THE MASTER SWITCH. ECAM CLEARED ITSELF. NORMAL OPS. REMOVED AND REPLACED APU AFT PUMP PER AMM 28-22-52. OPS CHECK GOOD, OK FOR SERVICE. NO FAULTS NOTEDOct 14, 2023 · N392HA · Airbus A330243SDR AALA202309292519O-Ring · leakingAIRCRAFT WAS GROUNDED: ON DESCENT DIRTY SOCK ODOR.ON FLIGHT DECK AND CABIN. MAINTENANCE FOUND THE APU FUEL CONTROL UNIT TO APU LUBE MODULE UNIT INTERFACE O-RING LEAKING OIL AND REPLACED IT PER AMM 49-32-11. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISSep 28, 2023 · N972UY · Airbus A320*SDR HALA20230922203Unknown · unknownETOPS - BTB- AFTER START (ENGINES) DURING APU SHUTDOWN - APU FAULT ECAM DISPLAYED. MOC ADVISED RESTART APU - UPON RESTART APU FAULT RETURNED WITH AUTO SHUTDOWN. REMOVED AND REPLACED APU FUEL CONTROL UNIT PER AMM 49-32-51. REMOVED AND REPLACED APU ECB PER AMM 4Sep 21, 2023 · N360HA · Airbus A330243SDR NACA2023090300001Unknown · unknownAPU FUEL FILTER POP OUT INDICATOR EXTENDED. REMOVED AND REPLACED APU FUEL FILTER ELEMENT IAW AMM 49-31-04 NO LEAKS NOTED.Sep 3, 2023 · N563NC · Boeing 767300SDR CALA2023090602721Unknown · faultyAPU EICAS STATUS 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 SECONDSSep 3, 2023 · N778UA · Boeing 777222SDR ASAA2023070543939Fuel Control · faultyAPU HAS REPORT OF MULTIPLE CSS ATTEMPTS WITH FAULT LIGHT AND FAULT MESSAGE 49-31016 INSTALLATION TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CAPAJul 5, 2023 · N506AS · Boeing 737890SDR ASAA2023070543897Unknown · unknownAPU FAILED TO START @ 380 FAULT LIGHT FOR 4 MINS. APU GOOD START. GROUNDED - YES. ACCOMPLISHED APU BITE TEST FOUND MAINT MSG 49-31016 OVERTEMPERTURE SHUT DOWN. APU STARTS NORMAL REF LP 60189434.Jul 5, 2023 · N506AS · Boeing 737890SDR YENA2023063000750Pump · failedFLT#020, LHR-JFK. (ETOPS) 'APU CLASS II MX MESSAGE ON ECAM STATUS PAGE. ( CLASS II MAINTENANCE MESSAGES DISPLAYED ); REMOVED AND REPLACED APU FUEL PUMP 4QC PER AMM 28-22-51. THE OPS CHECK IS GOOD. MDDR CLEARED. MX-4 UPDATED, PLACARD REMOVED. REPLACED RELAY 9QCJun 27, 2023 · N4058J · Airbus A321271NSDR HALA2023062600134Drain Valve · faultyETOPS - APU FCU DRAIN VLV MISSING CAP/ LANYARD. REPLACED APU DRAIN VLV ASSY PER AMM 49-32-51. OPS/LEAK CHK OK.Jun 24, 2023 · N388HA · Airbus A330243SDR YENA2023062600732Fuel Control · failedFLT#1621, LHR-BOS. (ETOPS) ' APU AUTO SHUT DOWN W/ FUEL LOW PRESSURE; REMOVED AND REPLACED FCU FIN 8022KM. OPS CHECK OK IAW AMM 49-32-00.'Jun 23, 2023 · N4048J · Airbus A321271NSDR ASAA2023051943417Fuel Nozzle · faultyAPU REPORTS SHOW A RAPID RISE IN CT5ATP TEMP AND HAS SURPASSED THE 605 DEGREE THRESHOLD. (#PRI1/ETOPS) CONTACT ETOPS MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CAPABILITY, MEL 49-99A IS REQUIRED BEFORE FLIGHT. GROUNDED - YESMay 19, 2023 · N487AS · Boeing 737990ERSDR ASAA2023042543008Unknown · unknownFAULT LIGHT ILLUMINATED DURING START ATTEMPS 1 AND 2, BOTH AT FL370 SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED AT FL300 DURING DESCENT. GROUNDED - YES. FAULT HISTORY COMPLETED AND LAST 3 FAULTS LISTED: 1. MAINT MSG 49-41010 - NO ACCELERATION SHApr 25, 2023 · N588AS · Boeing 737890SDR ASAA2023042142987Fuel Control · faultyFAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL 360 SUCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. GROUNDED - YES. DURING APU BITE TEST FOUND MAINT MSG 49-31016 OVERTEMPERATURE SHUTDOWN IN FAULT HISTORY. NO FAULTS IN CURRENT STATUS. CONTINUEApr 21, 2023 · N508AS · Boeing 737890SDR DALA2023020600914Not Reported · not reportedAIRCRAFT 3151, AIRCRAFT HAS FUEL SMELL IN CABIN AND COCKPIT. CORRECTIVE ACTION: APU FUEL FILTER WET WITH FUEL, FOUND CUT PACKING ON FILTER BOWL, REPLACED. REPLACED RECIRCULATION FILTERS. LP 8171014Feb 5, 2023 · N351NB · Airbus A319114SDR ASAA2023012381594Fuel Control · faultedAPU FAILED TO START FL34, APU FAULT LIGHT WITH 1000 EGT SPIKE. GROUNDED - YES. REMOVED AND REPLACED APU FUEL CONTROL UNIT IAW B737-800 AMM 49-31-11.Jan 18, 2023 · N563AS · Boeing 737890SDR AALA202301188219Actuator · faultedAIRCRAFT WAS GROUNDED: IN CRUISE APU MASTER SWITCH OFF APU ON FUEL PAGE WAS SOLID AMBER. MAINTENANCE REPLACED THE APU FUEL LOW PRESSURE VALVE ACTUATOR PER AMM 28-29-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.Jan 15, 2023 · N8009T · Airbus A319115SDR ASAA2023011751534Fuel Control · faultedCREW REPORTED APU FAULT LIGHT AND SHUTDOWN OCCURRED INBOUND TO SEA. GROUNDED - YES. PERFORMED B737-800 FIM 49-30 TASK 803 STEP G.(5). REMOVED & REPLACED FUEL CONTROL UNIT REF. B737-800 AMM 49-31-11.Jan 5, 2023 · N532AS · Boeing 737890SDR J7SA2023010300344Line · leakingDISCOVERED FUEL LEAKING OUT FUSELAGE DRAIN MAST WHEN APU RUNNING. FOUND APU FUEL FEED LINE LEAKING AT FORWARD CONNECTION. REPLACED APU FUEL FEED LINE COUPLING AND O-RINGS. PERFORMED SATISFACTORY LEAK AND OPS CHECK. WORK PERFORMED IAW CL 350 AMM 28-21-34.Dec 29, 2022 · N505FX · Bombdr BD1001A10SDR ASAA2022121641167Fuel Nozzle · faultedAPU TREND DATA SHOWS CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REMOVED AND REPLACED FUEL NOZZLES REF B737-900 AMM 49-31-14.Dec 16, 2022 · N431AS · Boeing 737990ERSDR VNAA202212061111Drain Mast · missingAFT FUEL DRAIN MISSING. REMOVED REMAINING PIECE OF THE DRAIN MAST AND SEAL IAW AMM 28-20-03-000-801-A01. NO FURTHER DEFECTS NOTED. A/C OK FOR FERRY FLIGHT. FERRY FLT 9977. REMOVED AND REPLACED AFT FUEL DRAIN MAST IAW AMM 28-20-03-000/400-801-A01.Dec 3, 2022 · N589NN · Cndair CL6002D24SDR YENA2022120201191O-Ring · leakingFLT1216, SJU-JFK. ODOR & FUMES EVENT, DIRTY SOCK, MOLD & MUSTY ODOR. ON THE GROUND AND THEN DURING CRUISE. MILD TO MODERATE ODOR DETECTED BY PILOTS, FA, & PAX. SEVERAL HEADACHE COMPLAINTS. PERSISTENT ODOR. COCKPIT & FWD CABIN. ODOR FROM AIR VENTS. SHUT CROSNov 29, 2022 · N954JB · Airbus A321231SDR HALA2022111700292Fcu · faultedETOPS-APU INFLIGHT START UNSUCCESSFUL. DUE TO UNSUCCESSFUL APU INFLIGHT START, NEED TO REPLACE APU FUEL CONTROL UNIT. REMOVED & REPLACED APU FUEL CONTROL UNIT PER AMM 49-32-51. OPS & LEAK CHECK GOOD. OK FOR SERVICE. CONTROL UNIT, F OFF 33-4932-9-0002 36508 Nov 16, 2022 · N392HA · Airbus A330243SDR ASAA2022111040750Egt Indication · illuminatedAPU CT5ATP TEMPERATURE IS ABOVE THE ESTABLISHED APU ON DEMAND THRESHOLD. GROUNDED - YES. REMOVED APU PER B737-900 AMM 49-11-00-000-803. INSTALLED REPLACEMENT APU PER AMM REF 49-11-00-400-803.Nov 10, 2022 · N483AS · Boeing 737990ERSDR A6WA202210228356Relay · failedAPU SOV STATUS PRESENT IN-FLIGHT WITH APU OFF. MESSAGE CLEARED AFTER ENGINE SHUTDOWN. AIRCRAFT REMOVED FROM SERVICE. R&R FUEL CONTROL RELAY IAW 20-22-00. OPS CHECK GOOD.Oct 22, 2022 · N451AW · Cndair CL6002B19SDR 2022FA0000626Fuel Nozzle · crackedDURING APU RUNS A FUEL LEAK WAS DISCOVERED. APU WAS SHUT DOWN AND TROUBLESHOOTING WAS CARRIED OUT. REFENCE WP 235 JC 140NP APU FUEL LEAK - THE NO. 6 FUEL NOZZLE WAS LEAKING AND REPLACED DUE TO CRACK AT THE INLET. DURING RUNS TO LEAK CHECK THE REPLACED FUEL NOZOct 18, 2022 · Bombdr CL6002D15SDR ASAA2022101640324Fuel Nozzle · faultyAPU TREND DATA SHOWS CT5ATP TEMP HAS SURPASSED THE 605 DEGREES THRESHOLD. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CAOct 16, 2022 · N483AS · Boeing 737990ERSDR CVGA20221014001Sealant · deterioratedSTRONG ODOR OF FUEL IN COCKPIT DURING DESCENT. ON POST FLIGHT FOUND STRONG ODOR OF FUEL IN HELL HOLE.Oct 10, 2022 · N47HF · Cessna 560XLSDR ASAA2022100840207Nozzle · cokedAPU TREND DATA SHOWS CT5ATP TEMP IS APPROACHING THE 605 DEGREES THRESHOLD AGAIN. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT SOct 8, 2022 · N494AS · Boeing 737990ERSDR ABXA20221007108Actuator · faultedAFTER PUSH SHUT DOWN APU AND GOT AN APU FUEL VALVE LGT WITH FAULT LGT. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACED APU FUEL ACTUATOR IAW AMM 28-25-02 OPS CK NORMAL A/C REMAINS ETOPS 180. AIRCRAFT RETURNED TO SERVICE.Oct 7, 2022 · N317CM · Boeing 767338SDR ASAA2022091939992Fuel Nozzle · faultyAPU TREND DATA SHOWS CT5ATP TEMP HAS RISEN OVER THE 605 DEGREES THRESHOLD. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. GROUNDED - YES. PERFORMED ABU BITE TEST, NO FAULTS FOUND REF B737-900 FIM 49-40 TASK 825 STEP C. EXAMINESep 19, 2022 · N474AS · Boeing 737990ERSDR ASAA2022090939922Fuel Nozzle · faultyAPU REPORTS SHOW A RAPID RISE IN CT5ATP TEMP AND HAS SURPASSED THE 605 DEGREE THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU FUEL NOZZLES REF B737-800 AMM 49-31-14-400-801. OPS & LEAK CHECK GOOD REF AMM 49-31-14-400-801 STEP 3.H(3) TO END.Sep 9, 2022 · N538AS · Boeing 737890SDR AALA202209085637O-Ring · leakingAIRCRAFT WAS GROUNDED: DURING DESCENT JUST BEFORE GEAR EXT APPROXIMATELY 3000 FT, FLIGHT ATTENDANT REPORTED EXTREME AND PUNGENT CHEMICAL ODOR FROM TAIL TO ROW 16, APU WAS OFF NOT EXHAUST FUMES STILL PRESENT AT GATE WITH ENGINE OFF. **SUPPLEMENTAL REPORT FOR AAAug 24, 2022 · N679AW · Airbus A320232SDR UIEA2022073000789Apu · leakingEVIDENCE OF FUEL LEAK AROUND ELECTRICAL WIRING CTR AUX FUEL QTY (M1934) LOCATED BETWEEN WBL 121 AND WBL 97.9566 AT REAR SPAR OF LH WING(<P>JAM NUT WAS TIGHTENED AND SEALANT WAS APPLIED AND CHEKED FOR LEAKS. TEST SATISFACTORY IAW AMM 28-41-04-404-028-002</P>)Aug 12, 2022 · N663GT · Boeing 767324SDR ASAA2022072539229Fcu · faultyAPU FAILED START AT 380, 380, 350. ALL START ATTEMPTS RESULTED IN A FAULT LIGHT. APU PEAKED AT EGT 1000 DEGREES C ON GAUGE. FAULT LIGHT EXTINGUISHED WITHIN 5 MINS. ON THE GROUND APU START WAS SUCCESSFUL. GROUNDED - YES. REMOVED APU FCU AND INSTALLED SERVICEABLJul 25, 2022 · N533AS · Boeing 737890SDR ASAA2022051538312Nozzle · faultyAPU TREND DATA SHOWS CT5ATP TEMP IS ABOVE 605 BUT BELOW THE THRESHOLD 632 DEGREES. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. THIS APU HAS BEEN PLACED ON ASA MEL 49-99B. CONTINUOUS OPERATION ON ETOPS FLIGHTS. GROUNDED - YESMay 15, 2022 · N408AS · Boeing 737900ERSDR ASAA2022051238313Fcu · faultyAPU FAULT LIGHT CAME ON DURING START OF APU. GROUNDED - YES. PERFORMED WIRE CHECKS IAW B737-800 FIM 49-32 TASK 805 NO FAULTS FOUND IN WIRING. REMOVED AND REPLACED APU FCU. PERFORMED GROUND TEST NO DEFECTS NOTED.May 12, 2022 · N513AS · Boeing 737890SDR ASAA2022050438226Manifold · leakingAPU FAILED TO START FUEL LEAKING FROM APU DRAIN. GROUNDED - YES. REMOVED AND REPLACED PRIMARY FUEL MANIFOLD PER B737-800 AMM 49-31-16. APU OPERATIONAL CHECK GOOD PER AMM 49-11-00. NO LEAKS NOTED.May 4, 2022 · N531AS · Boeing 737890SDR HALA2022041400092Inlet Guide Vane · leakingETOPS - DURING RON FOUND APU IGVA LEAKING // RPLCD APU IGVA PER A330 AMM 49-23-51 LEAK CHECK GOOD. OPS CHECK NORMAL. ACTUATOR, IGV, OFF 33-4954-9-0001 S/N 01036 ON 33-4954-9-0001 S/N 01774Apr 13, 2022 · N382HA · Airbus A330243SDR YENA2022022100082None · noneFLT # 1021, FLL-POS. APU AUTO SHUTDOWN IN FLIGHT; PERFORMED RESET OF APUT ECB. IAW AMM 49-61-34. OPS CHECK GOOD. NO FAULTS FOUND. A/C OK FOR SVCFeb 19, 2022 · N568JB · Airbus A320232SDR R61A2022030800182Fuel Control · faultySTRONG FUEL SMELL IN CABIN WHEN APU IS STARTED. R&R FUEL MODULE UNIT.Feb 15, 2022 · N413YX · Emb ERJ170200LRSDR AALA202201275785Fcu · unserviceableAIRCRAFT IN BASE MAINTENANCE: DURING BASE MAINTENANCE VISIT FUNCTIONAL CHECK FLIGHT, FUEL LOW PRESSURE MESSAGE ON APU PAGE IN FLIGHT. MESSAGE EXTINGUISHED AT 10,000 FEET IN DESCENT. REPLACED APU FUEL CONTROL UNIT (AALA202201275785) PER AMM 49-32-11-400-003-A AJan 26, 2022 · N702UW · Airbus A319112SDR AALA202201273570Actuator · unserviceableAIRCRAFT IN BASE MAINTENANCE: DURING BASE MAINTENANCE VISIT FUNCTIONAL CHECK FLIGHT, FUEL LOW PRESSURE MESSAGE ON APU PAGE IN FLIGHT. MESSAGE EXTINGUISHED AT 10,000 FEET IN DESCENT. REPLACED APU FUEL CONTROL UNIT (AALA202201275785) PER AMM 49-32-11-400-003-A AJan 26, 2022 · N702UW · Airbus A319112SDR AALA202201279232Fuel Filter · unserviceableAIRCRAFT IN BASE MAINTENANCE: DURING BASE MAINTENANCE VISIT FUNCTIONAL CHECK FLIGHT, FUEL LOW PRESSURE MESSAGE ON APU PAGE IN FLIGHT. MESSAGE EXTINGUISHED AT 10,000 FEET IN DESCENT. REPLACED APU FUEL CONTROL UNIT (AALA202201275785) PER AMM 49-32-11-400-003-A AJan 26, 2022 · N702UW · Airbus A319112SDR DALA2022012000405Fcu · leakingAFTER STARTING APU & BLEED NOTICED A STRONG DEICE SMELL ON FLT DECK. AFTER 30-40 MINUTES STRONG SMELL STILL PRESENT. BEGAN WORKCARD 0550-2002 AND FOUND LEAKING FUEL CONTROL UNIT ON APU AND EVIDENCE OF DE-ICE FLUID IN APU. (555681). REMOVED & REPLACED APU FUEL Jan 15, 2022 · N380DN · Airbus A321211SDR DALA2021120307477Fuel Control · leakingAFTER DOOR CLOSED AND APU BLEED ON, DIRTY SMOKE SMELL IN COCKPIT. COMPLIED WITH AMDS WORK CARD 0550-2002 UP TO STEP 8. STEP 8 NEEDS TO BE COMPLIED WITH. SOURCE OF SMOKE SMELL LEAKING APU FUEL CONTROL. ITEM NEEDS REPLACED.(063349)REMOVED AND REPLACED APU FUEL CDec 3, 2021 · N362DN · Airbus A321211SDR YENA2021112200775Fuel Line · leakingFLT 260, PHL-BOS. STRONG FUEL ODOR FROM VENTS IN COCKPIT AND CABIN UPON CLIMBOUT ODOR STOPPED ONCE APU WAS SHUT OFF. ( APU FUEL FEED LINE ) ; FOUND APU FUEL FEED LINE LEAKING. APU FUEL FEED LINE PLACED ON MEL 28-22-08 CAT C. PULLED AND COLLARED APU FUEL SOV- CNov 19, 2021 · N306JB · Emb ERJ190100IGW
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