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 REXA201100952Unknown · odorFUEL SMELL FROM APU WHEN STARTED. OPS CHECK APU IAW CRJ AMM 49-10-00, NO SMELL OF FUEL PRESENT AT THIS TIME.Dec 9, 2011 · N8515F · Cndair CL6002B19SDR UALA2011112106406Actuator · faultyAPU FAULT LIGHT ON W-APU RUNNING. REPLACED APU FUEL VLV ACTUATOR PER AMM. OPERATIONAL CHECK AND FAULT LIGHT INDICATIONS NOW NORMAL.Nov 18, 2011 · N673UA · Boeing 767322SDR C2XA11RI180Fuel Sys · malfunctionedEWR FLT 4270 CREW REPORTED STRONG FUEL SMELL DURING T/O ROLL WHICH DISSIPATED AFTER THE T/O CHECK. EWR MX INSPECTED THE ENGINES AND APU FOR FUEL LEAKS AND FOUND FUEL RESIDUE ON APU COWLING FROM A FAILED APU START. MX RAN APU AND PACKS FOR 20 MINUTES WITH NO Nov 17, 2011 · N11121 · Emb EMB145XRSDR UALA2011110906104Fcu · leakingCREW REPORT: HEAVY FUEL LEAK FROM APU UNDERSIDE AREA OF AIRCRAFT. FOUND FUEL LEAK AT THE APU FCU WITH APU RUNNING, WITH APU INOP FUEL LEAK STOPPED. WILL INOP THE APU PER MEL 4911A. WITH APU INOP THERE IS NO FUEL SUPPLIED TO APU. REVIEWED WITH SAMC-EMC. SNov 8, 2011 · N561UA · Boeing 757222SDR MYWA110104Fuel Sys · malfunctionedETOPS SIGNIFICANT SYSTEM: APU SHUTDOWN {FLAME OUT} WHILE TRANSFERRING FUEL. PERFORMED FIM TASK 49-31 TASK 808 BLEED APU FUEL SYS IAW AMM 49-31-15, APU OPS CHECK GOOD.Nov 1, 2011 · N742EH · Boeing 7378Q8SDR REXA201100775Fuel Line · leakingXFLOW/APU PUMP-CAUTION MSG INFLIGHT DURING CRUISE W/ APU OFF FUEL QUANTITIES WERE NORMAL. FOUND FUEL LINE LEAKING FROM THE APU FUEL SOLENOID. RESCURED THE LINE AND PERFORMED OP CHECK APU IAW AMM 49-10-00. OP CHECK GOOD, LEAK CHECK GOOD.Oct 24, 2011 · N8886A · Cndair CL6002B19SDR ASAA11510547Fuel Control · faultyAPU HAS HISTORY OF FAULT MESSAGE 49 31016 BEING LOGGED IN CDU APU FAULT HISTORY. COMPLETED FIM TASK 49 30 TASK 803 PARA F STEPS 1 THRU 4 NO FAULTS FOUND. PER STEP 4 REPLACED APU FUEL CONTROL REF M/M 49 31 11 OPS AND LEAK CHECKS GOOD.Oct 18, 2011 · N568AS · Boeing 737890SDR ASAA11510507Fuel Control · leakingAPU HAS HISTORY OF OIL CONSUMPTION. CURRENT RATE IS .06QPH. TSR ISSUED. PERFORMED APU HIGH OIL CONSUMPTION RATE PER FIM 49 95 00 810 801. FOUND OIL LEAKING OUT OF FWD DRAIN AND IS COMING FROM FCU. PERF MAG DRAIN PLUG INSP PER AMM 49 91 81 200 801 APU FOUNOct 10, 2011 · N562AS · Boeing 737890SDR WX0A070940Fcu · faultyAT THE GATE STARTED APU AND AFTER RIGHT PACK TURNED ON, FUEL FUMES CAME INTO CABIN AND FUEL DRIPPING UNDERNEATH APU. REMOVED AND REPLACED APU FCU AND SEQUENCE OIL PRESSURE SWITCH, WORK PERFORMED IAW AMM 49-30-01 AND 49-30-03. OPS AND LEAK CHECK GOOD.Oct 2, 2011 · N412NV · Doug MD88SDR REXA201100610Fuel Line · looseFUEL FUMES WITH BOTH PAXS OPERATING IN FLIGHT AND ON APPROACH. INSPECTED LT AND RT ENG FOUND NO FUEL OR OIL LEAKS FROM ENGINES. COULD NOT FIND SOURCE OF FUEL LEAK REMOVED AND RESEATED FUEL LINES ON APU FUEL CONTROL NO FUEL LEAK FOUND. REMOVED DUCTS FROM WATSep 27, 2011 · N8533D · Cndair CL6002B19SDR ASAA11510406Unknown · malfunctionedAPU IN FLIGHT START ATTEMPT. FIRST ATTEMPT AT FL380 UNSUCCESSFUL FAULT LIGHT. SECOND ATTEMPT UNSUCCESSFUL W/ HIGH EGT FAULT FL380. NO FURTHER ATTEMPTS MADE. BITE CHECK SHOW MAINT MESSAGE 49 31016. REF FIM TASK 49 30 00 810 803. STEP E (1) SUSPECT AN INTERMSep 21, 2011 · N568AS · Boeing 737890SDR REXA201100566Fuel Line · looseSTRONG SMELL OF FUEL IN THE COCKPIT AT CRUISE ALTITUDE. WHEN ON THE GROUND STARTED THE APU WITH THE MECHANIC IN THE AFT EQUIPMENT BAY. FUEL BEGAN POURING OUT OF A FUEL LINE THAT WAS NOT TIGHTENED DOWN. IN 1 MINUTE OF RUNNING THE APU HAD APPROXIMATELY 2-3 INSep 17, 2011 · N8533D · Cndair CL6002B19SDR ASOA201101681Line · leakingSTRONG SMELL OF EXHAUST AND OR OIL FUMES IN COCKPIT AND CABIN. R & R APU FUEL SECONDARY MANIFOLD LINES IAW CMM 49-26-39. LEAK AND OPS CHECKED GOOD.Sep 8, 2011 · N879AS · Cndair CL6002B19SDR VNAA2011091300009Fitting · leakingAT CLT, CREW REPORTED FUEL SMELL IN FLIGHT DECK AND IN BACK OF AIRCRAFT. MAINTENANCE INSPECTED, FOUND FITTING LEAKING AT APU FUEL CONTROL ELBOW, REMOVED AND REPLACED O-RING AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICSep 7, 2011 · N213PS · Cndair CL6002B19SDR 9JLA20110829001Pump · low pressureTHE CREW HAS BEEN REPORTING DURING APU START THAT IT WOULD HANG AT ABOUT 45% FOR ABOUT 5-6 SECONDS AND THEN LET OUT A LOUD "POP" AND THEN CONTINUE ONTO START AND RUN NORMALLY, NOTE: DURING THE START SEQUENCE IT WAS NOTED A FOG OF FUEL WAS BEING EXPELLED FROM TAug 29, 2011 · N803JL · Raythn HAWKER800SDR SWIA201127365O-Ring · damagedSTRONG SMELL OF FUEL IN FLIGHT DECK. (FLT 5575) REPLACED O-RING ON INLET LINE TO APU FUEL CONTROL.Aug 23, 2011 · N507CA · Cndair CL6002B19SDR ASOA201101525Line · leakingSMELL OF JET FUEL FROM BOTH PACKS ON TAXI WITH APU RUNING AND WHILE CLIMBING WITH ENGINES RUNING. FOUND APU SUPPLY LEAKING REALLY BAD. R & R APU FUEL SUPPLY (PN AE7010201G0240), PERFORMED LEAK CHECK IAW AMM 49-31-01. NEW LINE DOES NOT LEAK. (CLOSED)Aug 18, 2011 · N930EV · Cndair CL6002B19SDR C2XA11RI136Fuel Line · leakingFLIGHT 2566 - EWR - FLIGHT CREW REPORTED STRONG FUEL SMELL IN COCKPIT DURING TAXI. EWR MX PERFORMED GVI ON APU AREA AND FOUND FCU LINES LEAKING. SUSPECT SMELL IS COMING FROM FCU LEAKING. APU MEL`ED. ACFT RELEASED FOR FLIGHT. (SDR FILED OPEN PENDING FINAL CAug 16, 2011 · N11181 · Emb EMB145XRSDR REXA201100533Apu · leaking3991 MSP LSE (8039) DEPLANED DUE TO SMOKE IN CABIN. FLIGHT HAD NOT YET BLOCKED OUT. PASSENGERS DEPLANED NORMALLY. THERE WERE NO REQUESTS FOR MEDICAL ATTENTION. MSP MX COMPLETED SMOKE/FUMES IN CABIN/FLT DECK REV A WORK SCOPE PER CHECKLIST PROVIDED. FOUND AAug 11, 2011 · N839AY · Cndair CL6002B19SDR HALA2011080900359Fcu · failedETOPS SIGNIFICANT SYS - DURING TAXI-IN, APU FAILED TO START. MADE 2 ATTEMPTS - BOTH UNSUCCESSFUL. T/S IAW FIM 49-11-00/101, FIG 105, SHEET 1 THRU 4. REF B, LOCK 56. R & R FCU IAW AMM 49-31-01-004-001 AND 49-31-01-404-015. START OPS NOW NORMAL ON MULTIPLE Aug 9, 2011 · N593HA · Boeing 76733ASDR A6WA201140739Fcu · leakingSTRONG FUEL ODOR PERMEATING CABIN AND COCKPIT. INCREASING IN INTENSITY. INSPECTED AND FOUND APU FCU LEAKING WHEN APU IS RUNNING. OPERATED BOTH PACKS WITH ENGINE BLEED AIR. ODOR HAS DISSIPATED. R & R LT FCU P LT AND SPLIT, NEVER EXCEED .5 INCH. OK FOR SERAug 8, 2011 · N456ZW · Cndair CL6002B19SDR HALA2011080600351Ecu · inoperativeETOPS SIGNIFICANT SYS - APU AUTO SHUTDOWN AT THE GATE. PERFORMED BITE TEST ON ECU FOUND ECU FAULT. R & R APU CONTROL UNIT (ECU) IAW AMM 49-61-05, OPS CHECK OK.Aug 6, 2011 · N590HA · Boeing 7673CBSDR C2XA11SH116Fuel Control · leakingFLIGHT 2078 EWR - APU DRAIN LEAKING FUEL. EWR MAINTENANCE REMOVED AND REPLACED APU FUEL CONTROL UNIT IAW EMB-145 AMM 49-32-01, OPERATIONAL CHECK AND LEAK CHECK IS GOOD. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.Aug 5, 2011 · N18556 · Emb EMB145LRSDR IPXA1668280Flow Sensor · inoperativeINSPECTION TYPE:ETOP, DURING ETOPS PDC CK, FOUND APU INOP DEFERRED IAW MEL 49-11-1-0-2 AND ETOPS DOWNGRADED. R & R APU SURGE BLEED VALVE. NO HELP. R&R APU FLOW SENSOR MODULE. OPS CHECKED GOOD.Jul 28, 2011 · N316UP · Boeing 76734AFSDR VNAA2011072000024Fuel Control · leakingCREW REPORTED A STRONG FUEL SMELL IN COCKPIT DURING CRUISE. MAINTENANCE TROUBLESHOT, REMOVED, REPLACED, AND OPERATIONAL TESTED THE APU FUEL CONTROL USING THE AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.Jul 16, 2011 · N254PS · Cndair CL6002B19SDR UALA2011071703614Shutoff Valve · leakingFUEL LEAKING FROM UNDERSIDE OF ACFT IN AREA OF LOWER BEACON. FOUND FUEL COMING FROM APU SHUT OFF VALVE. REPLACED APU SHUT OFF VALVE PER MM. OPS & LEAK CHECKED GOOD.Jul 15, 2011 · N561UA · Boeing 757222SDR C2XA11RI125Fuel Control · leakingFLIGHT 2643 - EWR - FLIGHT CREW REPORTED A STRONG SMELL OF FUEL WHILE RUNNING APU. RIC MX REMOVED AND REPLACED FUEL CONTROL UNIT AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.Jul 14, 2011 · N16999 · Emb EMB145LRSDR UALA2011071103468Fuel Control · faultyAPU WILL NOT START 2 ATTEMPTS. HAS HISTORY, NO TIME. APU TESTER SHOWED IGV ACTUATOR TM RESISTANCE OHMS OUT OF TOLERANCE ON STATIC TEST. MAINTENANCE STATUS MSG SHOWED FAULT AT 35 PERCENT RPM. REPLACED IGV ACT, STARTED APU SEVERAL TIMES WITH NO PROBLEMS. TOLJul 11, 2011 · N549UA · Boeing 757222SDR MYWA110070Shutoff Valve · malfunctionedETOPS SIGNIFICANT SYSTEM: APU FAULT LIGHT. REMOVED AND REPLACED S/O VALVE ASSY, OPS CHECK GOOD IAW AMM 28-25-02.Jul 9, 2011 · N732MA · Boeing 73781QSDR C2XA11RI119Shutoff Valve · defectiveFLIGHT 2222 - EWR - FLIGHT CREW REPORTED FUEL SMELL IN COCKPIT WITH APU BLEED OPEN. EWR MX REMOVED AND REPLACED APU FUEL SHUTOFF VALVE AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.Jul 1, 2011 · N16999 · Emb EMB145LRSDR UALA2011070103238Fuel Control · faultyCREW REPORTS: APU WILL NOT START. PER SAM RESET L41 & L42 CB'S NO HELP, APU S-DOWN REPORT SHOWS NO FLAME IGN UNIT (8030KM) AND FCU (8022KM). INOP'D APU PER MEL4910B, CREW PULLED AND COLLARED 'L41 & L42' ON PANEL 121VU USING DEF ER STICKERS, OPB GUS NOTIFIEDJun 29, 2011 · N472UA · Airbus A320232SDR MASA2011063003127Manifold · malfunctionedFUEL SMELL FLT DECK APU BLD SOURCE. R2 SECONDARY FUEL MANIFOLD.Jun 29, 2011 · N715SF · Cndair CL6002B19SDR REXA201100430Switch · out of positionAFTER CREW DEPLANED, GROUND CREW NOTICED FLAMES IN APU EXHAUST. FIRE CREW NOTIFIED. FLIGHT CREW ALERTED AND RETURNED TO AIRCRAFT. SMALL FLAME WAS OBSERVED IN THE APU EXHAUST WITH EVIDENCE OF FUEL ON THE RAMP BELOW THE APU. PWR FUEL SWITCH FOUND IN ON POSIJun 28, 2011 · N8516C · Cndair CL6002B19SDR C2XA11RI117Fuel Line · leakingFLIGHT 5855 - IAD - FLIGHT CREW REPORTED BURNING SMELL IN COCKPIT WITH APU AND PACKS RUNNING. IAD MX REMOVED AND REPLACED FUEL LINE FROM FUEL FILTER TO FUEL CONTROL UNIT AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.Jun 26, 2011 · N11150 · Emb EMB145XRSDR REXA201100407Shutoff Valve · looseCREWS REPORTED FUEL SMELL IN COCKPIT INBOUND "NO"EMERGENCY DECLARED LANDED WITHOUT INCIDENT NSP'D - FOUND APU FUEL FEED S/O VALV OUTLET CONNECTION LOOSE. TIGHTENED AND LEAK CHECKED GOOD IAW AMM 49-30-00.Jun 23, 2011 · N8516C · Cndair CL6002B19SDR UALA2011061302890Actuator · faultyRECEIVED AN APU SHUTOFF VALVE MESSAGE. RECONNECTED CONNECTOR TO ACTUATOR & PERFORMED MULTIPLE OPS CHECKS.Jun 12, 2011 · N546UA · Boeing 757222SDR UALA2011061302901Controller · faultyON APU START, GOT A FAULT LIGHT. CONTROLLER SHOWING FUEL SOLENOID FAULT. SOLENOID MAY HAVE TO BE ROBBED FROM FCU OR FROM APU SHOP. REPLACED APU FUEL CONTROL UNIT PER MM.Jun 12, 2011 · N550UA · Boeing 757222SDR HALA2011052500229Fuel Feed · low pressureETOPS SIGNIFICANT SYS - APU FAULT. AFTER FUEL TRANSFER TO TRIM TANK APU START FAULT. PURGED APU FUEL. APU BITE SHOWS LOW FUEL PSI FAULT DUE TO FUEL TRANSFER. PURGED APU FUEL TRIM LINE. APU STARTED 1ST ATTEMPT. NO HISTORY. OPS CHECKED NORMAL. OK FOR SERMay 25, 2011 · N382HA · Airbus A330243SDR C2XA11IA088Flow Divider · leakingFLIGHT 2557 FROM IND THE CREW REPORTED A STRONG FUEL ODOR IN THE COCKPIT DURING TAKEOFF. THE AIRCRAFT CONTINUED, WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVIMay 8, 2011 · N12924 · Emb EMB145LRSDR MASA2011050902651Solenoid · faultyFUEL SMELL IN COCKPIT IN FLT. R2 APU FUEL VALVE SOLENOID.May 7, 2011 · N570ML · Cndair CL6002B19SDR 9JLA00773Fuel Line · leakingCREW REPORTED FUEL DRIPPING FROM AIRCRAFT OVERBOARD DRAIN LINE ASSOCIATED WITH THE APU. TROUBLESHOOTING FOUND THE HIGH PRESSURE FUEL LINE INLET CONNECTION AT THE FUEL NOZZLE MANIFOLD TO BE DRIPPING FUEL ONTO THE HOT APU ENGINE WHEN RUNNING. A CONICAL SEAL WAMay 4, 2011 · N904HD · Lear 45LEARSDR A6WA201140305O-Ring · leakingFUEL ODOR IN ACFT SEEMS TO BE COMING FROM PACKS, SEEMS TO BE ASSOCIATED WITH APU AIR. R & R O-RING UNDER UNION AT FUEL SOLENOID. OPS AND LEAK CHECK OK IAW AMM 49-30.Apr 21, 2011 · N421ZW · Cndair CL6002B19SDR A6WA201140282Solenoid · leakingFLT 3687, FUEL ODOR COMING FROM VENTS ON BOTH APU AIR AND ENGINE AIR INFLIGHT AND ON GROUND. INSPECTED APU ENCLOSURES FOUND FUEL SOLENOID VALVE. LEAKING WITH APU SHUTDOWN, NO LEAK NOTED. PLACED ON MEL. R & R APU FUEL SOLENOID VALVE IAW AMM 49-31-05. OPS ANDApr 14, 2011 · N458AW · Cndair CL6002B19SDR REXA201100232O-Ring · tornFUEL FUMES IN COCKPIT/CABIN ON APU BLEED VERIFIED THAT THE APU FUEL CONTROL FILTER BOWL O-RING WAS TORN. REPLACED IAW AMM 49-10-00. LEAK CHECK GOOD. COMPLIED WITH WORKSCOPE IAW CHECKLIST PROVIDED.Apr 14, 2011 · N8936A · Cndair CL6002B19SDR MASA2011041102380O-Ring · leakingFLUID LEAK FROM APU AREA. MX REMOVED AND REPLACED O-RING ON APU FUEL FILTERS.Apr 8, 2011 · N908FJ · Cndair CL6002D24SDR UALA2011040101580Flow Divider · leakingFUEL LEAKING FROM APU DRAIN MAST. FOUND DRAIN FOR FUEL FLOW DIVIDER LEAKING ONLY WHEN APU NOT RUNNING AT 10 DROPS EVERY 14 SECONDS. LIMIT FOR STATIC LEAK ON THIS DRAIN IS 1 DROP PER SECOND. APU OK FOR SERVICE TO NEXT MAINT OP FOR FLOW DIVIDER CHANGE. REPLAMar 31, 2011 · N544UA · Boeing 757222SDR ASAA1159365Fuel Control · failedAPU WOULD NOT START AFTER 3 ATTEMPTS. THE FAULT LIGHT ILLUMINATED EACH TIME AND EXTINGUISHED WITHIN 5 MINUTES OF POSITIONING APU SW TO OFF. REPLACED APU FUEL CONTROL UNIT REF MM 49-31-11 OPS AND LEAK CHECKED GOOD. REMOVED AND REPLACED FUEL FLOW DIVIDER ANDMar 30, 2011 · N593AS · Boeing 737890SDR C2XA11CL082B-Nut · looseIAD FLT 5867 - THE CREW REPORTED A FUEL SMELL ON APU START. MAINTENANCE INSPECTED AND TIGHTENED B-NUT ON THE APU FUEL CONTROL VALVE. OPERATIONAL CHECKS WERE GOOD.Mar 26, 2011 · N12564 · Emb EMB145LRSDR ASAA1159279Fuel Control · faultyAPU WILL NOT START FAULT LIGHT ON. ACCOMPLISHED APU BITE TEST. FOUND FAULT CODES: 49 31175 49 52192 49 31160 49 31168 & 49 52188. REPLACED APU FUEL CONTROL UNIT REF MM 49 31 11 000 801 / 49 31 11 400 80. PERFORMED FUEL CONTROL UNIT INSTALLATION TEST NO DEFMar 17, 2011 · N564AS · Boeing 737890SDR UALA2011030301039Pressure Switch · leakingFUEL LEAK LEFT INBD AREA NEAR FUEL PUMP BAY AREA. APU DC FUEL PUMP ONLY LEAKING AT PRESS SWITCH WHEN PUMP IS RUNNING. WHEN PUMP IS OFF AND DURING FUELING VERIFIED NO LEAKS OUT OF PUMP.Mar 2, 2011 · N210UA · Boeing 777222
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