JASC 4930

Service difficulty reports · 1,088

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 97ZZZX4157Fuel Pump · leakingAPU FUEL PUMP LEAKING. FORWARDED TO DUKE INC., FOR REPAIR/OVERHAUL AND FAILURE REPORT.Aug 25, 1997 · N8270 · Lear 60LEARSDR CA970807051Valve · stuck(CAN) ON CLIMB APU FAULT LIGHT CAME ON, PERFORMED QUICK REFERENCE HANDBOOK CHECK LIST, LIGHT CAME BACK ON. APU SHUT DOWN. CHECK VALVE REPLACED.Jul 21, 1997 · Boeing 767233SDR CALA9700443Fuel Control · inoperativeWHILE OPERATING THE APU IN FLIGHT WITH THE NR 2 GENERATOR PLACARDED INOPERATIVE, THE APU SHUTDOWN. THE APU WOULD NOT RESTART. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE FOUND THE APU FUEL CONTROL UNIT AT FAULT. THE APU FUEL CONTROL UNIT WAS RMar 29, 1997 · N17812 · Doug DC982SDR CALA9700230O-Ring · leakingA STRONG SMELL OF KEROSENE WAS OBSERVED IN THE CABIN NEAR AFT JUMPSEAT AND GALLEY JUMPSEAT ON LANDING. MAINTENANCE FOUND FUEL LEAKING FROM FUEL LINE UNION/ELBOW AT THE APU ATOMIZER. THE O-RING WAS REPLACED AND NO LEAKS WERE NOTED DURING OPERATION OF APU.Feb 20, 1997 · N16806 · Doug DC982SDR MWEA97109Fuel Control · leakingMAINT REPORTS, APU LEAKING AT FUEL CONTROL CAUSING SMOKE IN CABIN. MAINT REMOVED AND REPLACED APU FUEL CONTROL UNIT.Feb 10, 1997 · N206ME · Doug DC932SDR 97ZZZX1819Fuel Hose · failedDURING TROUBLESHOOTING IN THE TAIL COMPARTMENT, THE FUEL LINE SUPPLY HOSE FOR THE GARRETT 30-92 APU STARTED SPRAYING FUEL. THERE WAS ENOUGH FUEL COMING FROM THE LINE THAT THE TECHNICIAN'S CLOTHES WERE SOAKED. THE LINE THAT FAILED WAS A PREMOD 253141B (THIS MJan 23, 1997 · N415PT · Braero BAE125800ASDR 9700599501Fuel Control · malfunctionedDURING CLIMB, APU AUTO SHUTDOWN. NR 1 ENGINE GENERATOR ON MEL. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REPLACED THE APU FUEL CONTROL, LEAK CHECK GOOD.Jan 11, 1997 · N95S · Doug DC915SDR 9700599105Fuel Control · malfunctionedDURING CLIMB, APU AUTO SHUTDOWN. NBR 1 ENGINE GENERATOR ON MEL. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REPLACED THE APU FUEL CONTROL, LEAK CHECK GOOD.Jan 11, 1997 · N95S · Doug DC915SDR CALA9601910Fuel Contl Unit · malfunctionedTHE APU AUTO SHUT DOWN INFLIGHT AND THE HIGH OIL TEMP LIGHT ILLUMINATED. ALSO, THE NR 2 FIRE BOTTLE LOW AGENT LIGHT ILLUMINATED. THE AIRCRAFT LANDED AT EWR WITHOUT INCIDENT. MAINTENANCE FOUND NR 2 FIRE BOTTLE APU SQUIB BLOWN. THE APU WAS PLACARDED INOPERATDec 29, 1996 · N14814 · Doug DC982SDR CALA9601712Fuel Control · inoperativeTHE NR 1 GENERATOR FAILED WHILE EN ROUTE. THE APU WAS STARTED AND THE FIRE WARNING BELL SOUNDED WITH THE RED APU FIRE HANDLE ILLUMINATED. THE APU START SWITCH WAS PLACED TO OFF AND THE FIRE WARNING SYSTEM TESTED GOOD. THE AIRCRAFT WAS DIVERTED TO CMH WHERE Nov 25, 1996 · N10242 · Boeing 7372C0SDR CALA9601383Fcu · inoperativeTHE APU WOULD NOT START WHILE ON DESCENT. MAINTENANCE FOUND THE APU FUEL CONTROL UNIT AT FAULT. THE APU FCU WAS REMOVED AND REPLACED. LEAK AND OPERATIONAL CHECKS WERE PERFORMED WITH NO FAULTS NOTED. THE APU OPERATED NORMALLY.Oct 5, 1996 · N18833 · Doug DC982SDR CALA9601340Fuel Control · leakingA STRONG FUEL SMELL WAS NOTICED IN THE COCKPIT AND CABIN WHILE DESCENDING INTO CLE. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND FUEL LEAKING FROM APU FUEL CONTROL DRAIN. THE APU FUEL CONTROL UNIT WAS REMOVED AND REPLACED PER MM 49-01-1. THE APUSep 29, 1996 · N16887 · Doug DC982SDR CA970106004Fuel Manifold · cracked(CAN) CRACK DEVELOPED IN FUEL MANIFOLD WHILE APU OPERATING. FUEL COLLECTED IN TAIL CONE AND FIRE STARTED. IGNITION SOURCE UNKNOWN. APU EXTINGUISHER FIRED AND APU SHUT DOWN. PORTABLE EXTINGUISHER ALSO USED. SUNDSTRAND OPTIONAL SB T-62T-49-113 INSTALLS A FATSep 29, 1996 · Amd FALCON200SDR 96ZZZM1252O-Ring · deterioratedFLT 227 - KSJC-PHNL - AFTER LANDING AND DURING TAXIING TO GATE, APU ACCOMPLISHED AUTO SHUTDOWN. FIRE BOTTLE DISCHARGED AND EMERGENCY DECLARED. AT GATE, MAINTENANCE FOUND EVIDENCE OF SMALL FIRE FROM FUEL LEAK AT APU FUEL MANIFOLD AT ABOUT 10 O'CLOCK POSITION.Jul 23, 1996 · N765BE · Lkheed 10113851SDR CA960723547Fuel Atomizer · leaking(CAN) PRIOR TO DEPARTURE AND WITH AIR CONDITIONING PACKS ON, THERE WAS A PRESENCE OF OILY SMOKE IN THE CABIN. MAINTENANCE CHECK FOUND FUEL LEAKING AT AUXILIARY POWER UNIT FUEL ATOMIZER. THE FUEL ATOMIZER ASSEMBLY AND SEAL WERE CHANGED AND LEAK CHECK CARRIED OUJun 17, 1996 · Doug DC932SDR SWAA960530Fuel Line · leakingFUEL FUMES NOTED IN CABIN AREA WHILE APU BLEED ON. INSPECTED AND FOUND PRESSURE LINE AT ATOMIZER LEAKING. CONTINUED WITH APU INOP PER MEL 49-1.Jun 15, 1996 · N80SW · Boeing 7372H4SDR CALA9600679Fuel Line · leakingA KEROSENE ODOR WAS SMELLED IN THE COCKPIT AND CABIN AFTER TAKEOFF FROM DFW. THE AIRCRAFT WAS RETURNED TO DFW WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND FUEL LINE TO APU FCU LEAKING. THE FUEL LINE WAS REMOVED AND REPLACED. THE APU WAS RUN WITH NO May 29, 1996 · N69523 · Doug DC932SDR AU960647Pipe · chafed(AUS) APU FUEL FEED PIPE LOCATED IN RH WING CHAFED THROUGH BY MAIN BLEED AIR SUPPLY DUCT SHROUD - FUEL LEAKING - SUSPECT CAUSED BYINCORRECT POSITIONING OF FUEL LINEMay 14, 1996 · Dhav DHC8103SDR AU960518Fcu · faulty(AUS) APU SHUTDOWN DUE TO FLUCTUATING EGT, FREQUENCY AND VOLTAGE - SUSPECT FAULTY FCUApr 15, 1996 · Boeing 737376SDR AALA960432Fuel Manifold · defectiveORD - FLT NR 402 - DURING CRUISE, WITH PACKS ON THERE WAS A STRONG FUEL SMELL IN CABIN. FUEL LEAK AT APU. LANDED ORD WITHOUT INCIDENT. REPLACED APU MANIFOLD AND PRECAUTIONARY REPLACED BOTH PACK WATER SEPARATOR BAGS. ACCOMPLISHED BURNOUT CHECK. SYSTEM GROUMar 21, 1996 · N271AA · Doug DC982SDR UPS605464Apu · fuel leakMAINTENANCE REPORTED FUEL RUNNING OUT OF THE DRAIN MAST APU RUNNING. PLACARD PER MEL 49-11-1.Feb 13, 1996 · N305UP · Boeing 76734AFSDR A6WR95056Hose · defectiveDURING SCHEDULED INSPECTION, FOUND EXTERIOR COVERING OF APU FUEL SUPPLY HOSE BROKEN OPEN. REPLACED FUEL HOSE. (X)Jan 17, 1996 · N292UE · Bag BAE146200ASDR TWRA9601Fuel Valve Act · inoperativeDURING FLIGHT, FUEL VALVE LIGHT ILLUMINATED FOR APU. FLIGHT ATTENDANT AT L5 DOOR NOTICED A FUEL SMELL. UPON LANDING, THE FUEL VALVE WAS LOCKED OUT. THE ITEM WAS DEFERRED PER DDPG. RETURN FLIGHT TO MIAMI, NO FUEL SMELL WAS NOTICED. ON ARRIVAL AT JFK, INSPEJan 4, 1996 · N616FF · Boeing 747212BSDR USAASB95029Fuel Control · failedFLT NR 8582 - RSW - AFTER SECOND APU START ATTEMPT APU FIRE LIGHT ILLUMINATED APU FIRE SWITCH PULLED AND BOTTLE DISCHARGED. REMOVED AND REPLACED THE APU FCU. ADJUSTED CRACK PRESSURE. CLEANED SHROUD DRAINS. REPLACED IGNITOR LEADS. APU OPS NORMALLY. (M)Dec 16, 1995 · N234US · Boeing 737201SDR MWEA95363Fuel Control · leakingCREW REPORTS, WHILE TAXIING TO GATE, STRONG FUEL ODOR PERMEATED THE CABIN AFTER STARTING APU. MAINTENANCE FOUND FUEL LEAKING FROM APU FUEL CONTROL DRAIN. REPLACED APU FUEL CONTROL, OPS AND LEAK CHECK GOOD. RETURNED A/C TO SERVICE.Nov 5, 1995 · N80ME · Doug DC914SDR 95UAL900200Seal · stickingFOUND FUEL IN APU OIL SYSTEM AND REPLACED APU PRECAUTIONARY. FUEL CONTROL WAS DISASSEMBLED AND CARBON SEAL ON THE SIDE OF THE FUEL CONTROL SHAFT SEAL WAS FOUND STICKING. SEAL WAS REPLACED.Oct 16, 1995 · N656UA · Boeing 767322SDR 95UAL900094Flow Divider · malfunctionedA/C HAD APU TAILPIPE FIRE WHILE AT GATE. REPLACED APU. FLOW DIVIDER (P/N 976000) IN FUEL CONTROL FOUND TO BE STICKING AND THE BLEED DOWN VALVE (P/N 36037) WAS FAILING TO DUMP EXCESS FUEL.Aug 15, 1995 · N157UA · Boeing 747123SDR CAL950650Fuel Control · inoperativeEWR - FLT 0210 - THE APU AUTO SHUT-DOWN WHILE THE APU GENERATOR WAS POWERING THE LEFT BUS DURING CLIMB THROUGH FL 290. THE APU WAS RESTARTED AFTER DESCENDING TO FL 230. WHILE CLIMBING BACK THROUGH FL 270, THE APU RPM APPROACHED 108 PERCENT WITH FREQUENCY IN EAug 8, 1995 · N16884 · Doug DC981SDR MWEA95240Atomizer · leakingCREW REPORTS WHILE AT GATE IN MKE, THERE WAS A VERY STRONG FUEL SMELL IN CABIN. MAINTENANCE FOUND FUEL LEAKING AT FUEL ATOMIZER ON APU BURNER CAN. REMOVED AND REPLACED ATOMIZER O-RING. LEAK CHECKED GOOD, RETURNED A/C TO SERVICE.Jul 24, 1995 · N401ME · Doug DC932SDR CAL950534Fuel Control · inoperativeSLC - FLT 0288 - WHILE OPERATING THE APU AT CRUISE WITH THE LEFT GENERATOR SYSTEM PLACARDED INOPERATIVE, THE APU RPM SLOWLY INCREASED THROUGH 104 PERCENT TO 105 PERCENT AND THEN SHUT DOWN. THE AIRCRAFT WAS DIVERTED TO SLC WHERE IT LANDED WITHOUT INCIDENT. MAJul 3, 1995 · N819NY · Doug DC982SDR USAA950523Fuel Valve · inoperativeBWI - FLT NR 0451 - EN ROUTE TO CLT, THE APU FAILED. THE CAPTAIN COULD NOT RESTART. THE DECISION WAS MADE TO DIVERT TO BWI. MAINTENANCE REPLACED THE APU FUEL SOLENOID VALVE AS A PRECAUTION AND THE FUEL FILTER. OPERATIONS CHECKED GOOD. (M)May 19, 1995 · N480AU · Fokker F28MK4000SDR 95ZZZM71Fuel Filter · inoperativeBWI - FLT NR 0451 - EN ROUTE TO CLT, THE APU FAILED. THE CAPTAIN COULD NOT RESTART. THE DECISION WAS MADE TO DIVERT TO BWI. MAINTENANCE REPLACED THE APU FUEL SOLENOID VALVE AS A PRECAUTION AND THE FUEL FILTER. OPERATIONS CHECKED GOOD.May 19, 1995 · N480AU · Fokker F28MK4000SDR 95ZZZX1949Fuel Control · defectiveATL/TPA - FLT 537 - FLIGHT CREW UPON STARTING APU, NOTICED A FUEL SMELL. PLACED APU ON MEL 49-1 SEQUENCY NR 1331 DUE TO INOPERATIVE FUEL CONTROL DIAPHRAGM.Apr 7, 1995 · N918VV · Doug DC932SDR 95ZZZX756Hose · burnedFUEL FEED LINE FOR APU FOUND DURING INSPECTION. OUTSIDE FUEL SLEEVEING HAD 2 HOLES BURNED THROUGH. FIRE RETARDANT SLEEVE HAD ONE HOLE BURNED IN RED RUBBER COVERING. WAS NOT BURNED TO HOSE AT THIS TIME.Jan 9, 1995 · N535QS · Braero BAE1251000SDR 95ZZZX755Line · burnedAPU FUEL FEED LINE FOUND BURNED ON INSPECTION. OUTSIDE FUEL SLEEVEING HAD A HOLE BURNED THROUGH. FIRE RETARDANT SLEEVE HAD A HOLE BURNED INTO THE RED RUBBER COVERING. WAS NOT BURNED TO FUEL HOSE AT THIS TIME.Jan 9, 1995 · N539QS · Braero BAE1251000SDR 95ZZZX754Line · burnedFOUND DURING PRE-FLIGHT - APU HOSE (FUEL FEED) WAS BURNED THROUGH THE PLASTIC SHIELD, AND THROUGH THE RUBBER INSULATION HALF WAY. CAUSE: LEFT ENGINE BLEED AIR AT MIXER VALVE IS BURNING THROUGH THE APU FUEL FEED LINE. NEED LINE ROUTED TO A DIFFERENT PATH.Jan 4, 1995 · N541QS · Braero BAE1251000SDR 95ZZZX753Hose · burnedFOUND DURING PRE-FLIGHT. APU HOSE (FUEL FEED) WAS BURNED THROUGH THE PLASTIC SHIELD. THE FIRE RETARDANT COATING HAD NOT BEEN DAMAGED. CAUSE: HOSE LOCATED TOO CLOSE TO HOT AIR LINE. FIX: ROUTE LINE IN NEW POSITION.Jan 4, 1995 · N533QS · Braero BAE1251000SDR 95ZZZX518Feed Line · burnedFOUND DURING PRE-FLIGHT. APU FUEL FEED HOSE WAS BURNED THROUGH THE PLASTIC SHIELD AND INTO THE HOSE INSULATION. BLEEDAIR FROM LEFT MIXER VALVE IS BURNING THE APU FUEL FEED LINE. NEED LINE ROUTED AWAY FROM BLEED AIR.Jan 4, 1995 · N520QS · Braero BAE1251000
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