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 UALA2008111806551Ecu · faultyAPU FAULT WILL NOT START. REPLACED ECU DUE TO NO RESPONSE. OP CHECKS NORMAL.Nov 17, 2008 · N543UA · Boeing 757222SDR AALA200802473AFuel Filter · dirtyORD INFLIGHT - AT TOP OF CLIMB RIGHT AND LEFT INLET FUEL PRESSURE LOW LIGHT ILLUMINATED INTERMITTENTLY. AFTER LEVEL OFF APU SHUT DOWN. NUMBER TWO ENGINE GENERATOR ON PLACARD. APU RESTARTED AT 10,000 FEET. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLANov 8, 2008 · N9403W · Doug DC983SDR USAASB08102Fuel Control · faultyEN ROUTE FROM ORD TO PHL, DURING CRUISE, THE APU GENERATOR FELL OFF LINE. CREW WAS UNABLE TO GET IT BACK ON LINE. SINCE THE NR 1 ENGINE GENERATOR WAS ALREADY ON MEL, THE FLIGHT DIVERTED TO PIT WHERE THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WOct 27, 2008 · N434US · Boeing 7374B7SDR DJFA2008077Drain Line · disconnectedCREW REPORTED FUEL ODOR WHEN STARTING THE APU AFTER LANDING. MAINTENANCE FOUND THE APU PURGE TANK OVERBORAD DRAINLINE DISCONNECTED. MAINTENANCE RE-INSTALLED THE DRAIN LINE.Oct 22, 2008 · N791TA · Raythn HAWKER800XPSDR CA081016003O-Ring · failed(CAN) ACFT, PRIOR TO ENG START APU HAD AN UNCOMMANDED SHUTDOWN. WHILE CARRYING OUT COCKPIT TROUBLESHOOTING PILOTS OBSERVED APU BOOST PUMP FAIL LIGHT WAS ILLUMINATED. APU BOOST PUMP WAS SUSPECT BECAUSE IT HAD JUST BEEN CHANGED THE PREVIOUS DAY FOR SAME SNAG. BOOct 10, 2008 · Cndair CL6012A12SDR NWAA085029881O-Ring · leakingSHORTLY AFTER TAKEOFF FLIGHT ATTENDANT REPORTED STRONG FUEL ODOR IN CABIN. A SLIGHT FUEL ODOR WAS NOTICED IN THE COCKPIT. FLIGHT CREW LANDED AT DESTINATION. MX NOTICED APU INTAKE PLENUM WET WITH FUEL AND ALSO A FUEL LEAK AT THE APU FUEL HEATER. THE APU ANDOct 9, 2008 · N676MC · Doug DC951SDR ASAA0853588Fuel Control · leakingCHEMICAL FUMES SMELL IN FLT DECK FWD GALLEY. FOUND OIL LEAKING FROM FWD DRAIN (5) AT RATE OF 1 DROP EVERY 10 SECONDS. ALSO FUMES IN CABIN WHEN SELECTED FOR PACK OPERATION FOUND LEAK FROM APU FUEL CONTROL DRAIN. REMOVED AND REPLACED APU FUEL CONTROL PER MM 4Oct 9, 2008 · N556AS · Boeing 737890SDR 2008UALA05807Control Unit · faultyAPU FAULT. ECU FOUND FAULTY. REPLACED ECU. OPS CHECKS NORMAL.Sep 22, 2008 · N666UA · Boeing 767322SDR A6WA200840586O-Ring · deterioratedFUEL LEAK BELOW APU. FOUND APU FUEL SUPPLY LINE O-RING DETERIORATED. REMOVED AND REPLACED APU FUEL LINE O-RING IAW AMM 49-31-01-420-001. NO LEAKS. OK FOR SERVICE. (K)Sep 4, 2008 · N444ZW · Cndair CL6002B19SDR SWIA200819991Line · leakingSTRONG JET FUEL ODOR IN COCKPIT AND CABIN WHEN APU BLEEDS ARE USED. FLIGHT 6099. REPLACED THE PRIMARY AND SECONDARY FUEL MANIFOLD LINES PER AMM 49-31-09. Aug 26, 2008 · N905SW · Cndair CL6002B19SDR MAS2008F00072Fuel Line · looseASH FLT 7206 GSO. CAPTAIN REPORTED SMELL OF FUEL ON GROUND IN ORD WITH APU RUNNING. MX RE-SECURED LOOSE FUEL LINES.Aug 23, 2008 · N154SF · Cndair CL6002B19SDR MAS2008F00070Solenoid Valve · defectiveASH FLT 7168 GRB-ORD. FUEL SMELL IN FLIGHT DECK ON GROUND IN ORD. MX REPLACED FUEL SOL VALVE.Aug 22, 2008 · N77181 · Cndair CL6002B19SDR C2XA08IA189Fuel Nozzle · dirtyIAH - FLIGHT 2532, THE CREW REPORTED A STRONG FUEL ODOR DURING TAKEOFF AND CLIMB, THAT WENT AWAY ONCE THE APU BLEEDS WERE CLOSED AND THE APU SHUT DOWN. THE ACFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE PLACED THE APU ON MEL 49-00-00 CAT-"C" CONTROL 15Aug 4, 2008 · N34110 · Emb EMB145XRSDR C2XA08ON162Unknown · looseFLT 0210-SMF- FLIGHT CREW REPORTED APU LEAKING FUEL FROM DRAIN. CREW RESET APU MASTER AND FOUND PUMP IN THE ON POSITION. STARTED APU AND SYSTEMS. OPERATIONALLY AND LEAK CHECKED SATISFACTORY AND ACFT WAS RELEASED TO RETURN FOR SERVICE. (S)Aug 4, 2008 · N12163 · Emb EMB145XRSDR 2008UALA03812Control Unit · failedAPU AUTO SHUTDOWN TWO STARTS. *S/D* APU ECU FAILED. REPLACED ECU, STARTS SUCCESSFULLY.Jul 9, 2008 · N597UA · Boeing 757222SDR C2XA08RI099Manifold · inoperativeFLIGHT 2358 - EWR - FLIGHT CREW REPORTED STRONG FUEL ODOR IN THE ACFT. EWR MX REMOVED AND REPLACED APU SECONDARY FUEL MANIFOLD ASSEMBLY IAW ENGINE MANUAL 49-31-06 AND PERFORMED OPERATIONAL AND LEAK CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVIJul 5, 2008 · N16151 · Emb EMB145XRSDR SWIA200819813Line · leakingFLT 5799 - APU IS DRIPPING FUEL. REPLACED AFT LINE ON APU FUEL MANIFOLD IAW EMB MM 49-30-17. NO LEAKS NOTED.Jun 25, 2008 · N581SW · Emb EMB120ERSDR SWIA200819780Fuel Control · odorFUEL SMELL REPORTED IN THE CABIN WHEN APU BLEED IS ON. REPLACED APU FUEL CONTROL UNIT WITH SERVICEABLE UNIT. OPS CHECK GOOD.Jun 18, 2008 · N579SW · Emb EMB120ERSDR 2008UALA03455Fuel Sys · faultyAPU SYS MSG DISPLAYED PRIOR DEPT MNT MSG 49-1042- DISPLAYED FIM 49-30 TASK 802 FAULTS APU WIRE HARNESS OR FUEL CLUSTER. *S/D* FOUND FAULTY FUEL CLUSTER. REPLACED APU FUEL CLUSTER PER AMM 49-31-31. OP CHECKED GOOD. VERIFICATION FLIGHT CONFIRMS NORMAL OPERAJun 16, 2008 · N794UA · Boeing 777222SDR SWIA200819702B-Nut · looseWITH APU BLEED ON, THE CABIN SMELLS LIKE FUEL. TIGHTENED FUEL NOZZLE MANIFOLD B-NUT. NO LEAKS NOTED. May 26, 2008 · N298SW · Emb EMB120ERSDR C2XA08ON127Nut · looseFLT 0318 - ABQ - FLIGHT CREW REPORTED APU LEAKING FUEL WHILE ON THE GROUND. MX TIGHTEN APU FUEL VLV JAM NUT. OPERATIONALLY AND LEAK CHECK SATISFACTORY. AIRCRAFT WAS RELEASED TO RETURN FOR SERVICE.May 26, 2008 · N12163 · Emb EMB145XRSDR UALA2008111302712Fcu · faultyRTBL WITH A AUXILIARY POWER UNIT DOOR MESSAGE. RECURRED ON FLT 0907-11. REPLACED FUEL CONTROL UNIT. ACCOMPLISHED INSPECTION AS PER MM. ALL OPS AND INDICATIONS NORMAL, LEAK CHECK GOOD. ACCMP VERIFICATION FLIGHT.May 11, 2008 · N647UA · Boeing 767322SDR A6WA200840351O-Ring · leakingSTRONG FUEL ODOR THROUGHOUT CABIN AND COCKPIT SOMETIME AFTER APU STARTED ON ARRIVAL. FOUND APU FUEL LINE LEAKING. WITH APU OFF, FUEL LEAK STOPS. REF 201527/4 FOR MEL. R&R LOWER SOV ELBOW & O-RING IAW AMM 49-31-01. OPS AND LEAK CHECK GOOD.Apr 20, 2008 · N433AW · Cndair CL6002B19SDR FDKA200803141Fuel Filter · defectiveFDM 6028 HSV-MCO (1757 PHX LCL). FUEL ODOR IN CABIN ON APU START. MX REMOVED AND REPLACED FUEL FILTER.Mar 31, 2008 · N860MJ · Emb EMB145LRSDR UALA2008111301538Fuel Nozzle · looseSTRONG FUEL ODOR DETECTED IN CABIN. LOWER FUEL NOZZLE AT 6 O'CLOCK POSITION MISSING BOLT. THREADED INSERT IS STRIPPED CANNOT SECURE BOLT. RAN APU AND FOUND FUEL LEAK AT FUEL HEATER AFT CHECK VALVE UNION AREA. DIFFICULT TO SEE IF LEAK IS DUE TO SEALS OR UNIMar 18, 2008 · N313UA · Boeing 737322SDR UALA2008111301396Fuel Nozzle · faultyFUEL SMELL WITH APU IN USE, SMOKE ALSO NOTED AT TAIL. FOUND FUEL NOZZLE LINE B-NUT AT 2 O'CLOCK POS BACKED OFF WHICH ALLOWED FUEL LEAK. DIFFICULT ACCESS, MAY REQUIRE DROP APU. DROPPED AND REPAIRED FUEL NOZZLES.Mar 12, 2008 · N313UA · Boeing 737322SDR 2008UALA01396Unknown · odorFUEL SMELL W-APU IN USE SMOKE ALSO NOTED AT TAIL.Mar 12, 2008 · N313UA · Boeing 737322SDR SIMA200807903Fuel Control · faultyON FLIGHT 4101, CREW REPORTED STRONG FUEL SMELL WHEN APU POWERING PACKS AND OIL SMELL WHEN ENGINES POWERING PACKS. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED APU FUEL CONTROL IAW EMB 145 AMM 49-32-01-000-801-A 49-Mar 11, 2008 · N664MS · Emb EMB145LRSDR 2008UALA01006Fuel Control · failedAPU NO START AT DISPATCH. FOUND FUEL& LUBE CLUSTER SHAFTS NOT TURNING. REPLACED FUEL CLUSTER. REPLACED LUBE CLUSTER. PENALTY RUN ACCOMPLISHED, FLITERS & OIL REPLACED, NO DISCREPANCIES FOUND AFTER RUNS. ACFT OK FOR SERVICE.Feb 22, 2008 · N211UA · Boeing 777222SDR MASA200800116Solenoid · leakingASH FLT RON IN IAD - CAPTAIN REPORTED STRONG FUEL ODOR WHEN STARTING AND RUNNING APU ON GROUND. MX CND, CHECKED FUEL SOLENOID, RAN APU. NO DEFECTS NOTED.Feb 10, 2008 · N521LR · Cndair CL6002C10SDR AMTA200800055Valve · malfunctionedEICAS MSG, APU FUEL VALVE. FAULT LIGHT ILLUMINATED. UNABLE TO START APU. CYCLED APU FUEL VALVE IAW FIM 49-11-00, FIG 104 APU. OPS NORMAL. (K)Feb 5, 2008 · N514AT · Boeing 75723NSDR AMTA200800042Relay · defectiveAPU FAULT LIGHT ON AT ALL TIMES WITH SWITCH OFF AND APU VALVE MESSAGE ON. NO FAULTS FOUND IN THE WIRING, FOUND RELAY K10162 BAD, REMOVED AND REPLACED K10162 RELAY. REMOVED AND REPLACED APU SURGE FILTER, APU. OPS CHECKS NORMAL. (K)Jan 30, 2008 · N518AT · Boeing 75723NSDR AMTA200800037Relay · defectiveAPU FAULT LIGHT ILLUMINATED AND EICAS, APU VAV MESSAGE DISPLAYED. COULD NOT DUPLICATE FAULT, FOR COMPANY CONVENIENCE. REMOVED AND REPLACED APU SHUTOFF VALVE DISAGRE RELAY K10160, AND SHUTOFF VALVE DISAGREE ENABLE RELAY, IAW WDM 28-25-21, OPS NORMAL. (K)Jan 28, 2008 · N518AT · Boeing 75723NSDR C2XA08CL010Fuel Control · leakingEWR FLIGHT 2756 - THE CREW REPORTED FUEL FUMES IN THE COCKPIT WHEN THE APU WAS STARTED AND SHUT DOWN. THE APU WAS MEL'ED CONTROL NR 137605. ON 1/18/08 CLE MAINTENANCE REMOVED AND REPLACED THE APU FUEL CONTROL ASSEMBLY P/N 4504616A, S/N 04-02-63, AND THE APU Jan 17, 2008 · N16963 · Emb EMB145LRSDR SWIA200819067Solenoid · leakingFUEL COULD BE DETECTED IN THE CABIN WHEN APU AUTO SHUTDOWN, FLIGHT NR 3946. REPLACED APU FUEL SOLENOID IAW MM 49-31-00. OPS CHECKS GOOD.Jan 16, 2008 · N409SW · Cndair CL6002B19SDR 2008UALA00248Fuel Control · leakingCREW REPORTED STRONG ODOR THRU OUT CABIN. ODOR DISSIPATED SOMEWHAT IN FLT BUT RETURNED UPON DESCENT AND LANDING. APU WAS NOT RUNNING AT TIME. FOUND APU INTERNALLY LEAKING FUEL FROM COMBUSTOR. REPLACED APU FCU.Jan 14, 2008 · N924UA · Boeing 737522SDR C2XA08CL009Solenoid Valve · faultyEWR FLIGHT 2947 - THE CREW REPORTED A FUEL SMELL AFTER APU START ON THE GROUND. THE AIRCRAFT WAS RELEASED IAW MEL CONTROL 137419. ON 1/16/08 CLE MAINTENANCE REMOVED AND REPLACED THE MAIN FUEL SOLENOID VALVE. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RJan 14, 2008 · N16963 · Emb EMB145LRSDR C2XA08IA023Solenoid Valve · inoperativeIAH - FLIGHT 2481, THE CREW REPORTED A FUEL SMELL ON T/O WITH THE APU RUNNING. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT, AND PLACED THE APU ON MEL 49-00-00 CAT C, CTL NUMBER 137330, AND THE AIRCRAFT WAS APPROVED FORJan 11, 2008 · N16963 · Emb EMB145LRSDR 070181Fuel Control · leakingFLIGHT 705 AT GSP (GREENVILLE,SC), FLIGHT CREW REPORTED DURING TAXI TO THE GATE UPON APU START THE SMELL OF FUEL AND SMOKE FILLED THE CABIN. ON CALL MTX INSPECTED THE AIRCRAFT AND APU AND DETERMINE THAT THE FUEL CONTROL WAS LEAKING FUEL INTO THE AIR DUCT. APDec 28, 2007 · N892GA · Doug MD83SDR C2XA07IA253Unknown · odorIAH - FLIGHT 2920, THE CREW REPORTED A STRONG FUEL SMELL WHEN STARTING THE APU. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.Dec 26, 2007 · N21130 · Emb EMB145XRSDR C2XA07IA245Fuel Line · looseIAH - FLIGHT 2533, THE CREW REPORTED THAT THE APU CAUSES FUEL SMELL IN THE CABIN AND COCKPIT. MAINTENANCE PLACED THE APU ON MEL 49-00-00 CAT-C CTL NR 134748, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. IN BNA, MAINTENANCE TIGHTENED LOOSE FUEL LINE ADec 11, 2007 · N16151 · Emb EMB145XRSDR SWIA200718797Drain Mast · leakingFLT 3932 - AFTER STARTING APU, THERE WAS A STRONG ODOR OF FUEL. CREW REPORTS FUEL LEAKING FROM APU DRAIN MAST. REPLACED THE APU FUEL SHUTOFF SOLENOID VALVE IAW CRJ 200 MM 49-31-05. Oct 22, 2007 · N457SW · Cndair CL6002B19SDR NWAA073439863Fuel Heater · unserviceableSHORTLY AFTER TAKEOFF STRONG FUEL FUMES ENTERED THE CABIN. FLIGHT CREW RETURNED AIRCRAFT TO DEPARTURE AIRPORT PERFORMING AN UNEVENTFUL LANDING. MAINTENANCE FOUND FUEL LEAK AT APU FUEL/AIR HEATER. FUEL HEATER AND APU WERE REPLACED.Oct 8, 2007 · N772NC · Doug DC951SDR QXEA200701513Actuator Valve · inoperativeBUR - FLIGHT 2552, RECEIVED "APU SOV FAIL" CAUTION MESSAGE AFTER APU WAS SHUTDOWN. AFTER RUNNING ABNORMAL SHUTDOWN CHECKLIST, THE APU STARTED UP AND RAN OK. RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED APU FUEL FEED SHUT OFF VALVE ACTUATOR. OPERATIONOct 4, 2007 · N604QX · Cndair CL6002C10SDR SWIA200718669Pressure Switch · leakingFLT 6562 - STRONG FUEL SMELL THROUGHOUT THE AIRCRAFT AFTER LANDING. REPLACED LEAKING APU FUEL PRESSURE SWITCH.Sep 9, 2007 · N412SW · Cndair CL6002B19SDR AMTA200700416Fuel Control · malfunctionedDURING CREW PREFLIGHT, APU WOULD NOT START. PERFORMED FIM 49-40-00 FOR A (NO FLAME SHUTDOWN) MESSAGE SHOWN FOR APU BITE ON THE CDU. VERIFIED APU IGNITION AND STARTER OPERATION AS NORMAL. VERIFIED FUEL FLOW. REMOVED AND REPLACED FUEL CONTROL UNIT. (K)Sep 2, 2007 · N323TZ · Boeing 73783NSDR FDKA200708417Solenoid · odorFDM 6025 ATL-DAY (1425 PHX LCL) - STRONG FUEL ODOR ON APU START. REMOVED AND REPLACED FUEL SOLENOID.Aug 23, 2007 · N836MJ · Emb EMB145LRSDR C2XA07CL068Fuel Control · leakingCLE FLIGHT 2912 - THE CREW REPORTED A FUEL ODOR WHEN APU BLEED WAS SELECTED. MAINTENANCE REPLACED THE APU FUEL CONTROL ASSEMBLY. OPERATIONAL CHECKS WERE GOOD.Aug 15, 2007 · N12946 · Emb EMB145EPSDR DJFA2007094O-Ring · leakingTHE CREW REPORTED A VERY STRONG ODOR OF RAW FUEL DURING TAKEOFF BUT STATED THAT THE FUMES DISSIPATED QUICKLY AFTER TAKEOFF. THE ODOR WAS THROUGHOUT THE CABIN AND ONLY OCCURED WHEN APU BLEED IS ON. MX REPLACED THE APU FUEL CONTROL FLANGE GASKET (O-RING) IAWAug 13, 2007 · N908LX · Emb EMB135BJSDR DTX2007F00000Manifold · leakingTHE FLIGHT CREW NOTED A STRONG FUEL ODOR IN THE AFT CABIN, UPON INVESTIGATION, FUEL WAS FOUND ON THE AFT EQUIPMENT ACCESS DOOR AND UNDER THE APU. THE APU SHROUD WAS OPENED AND THE FUEL MANIFOLD WAS REMOVED AND IT WAS DISCOVERED TO HAVE A SMALL PINHOLE IN ONE Aug 6, 2007 · N943CE · Braero HS125700A
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