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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR UIEA200200053Metering Valve · leakingSTRONG SMELL OF FUEL AFTER SUPPLYING A/C PACK WITH AIR FROM THE APU. SUSPECT FUEL LEAK. FOUND FUEL DROP FROM THE FORWARD FUSELAGE DRAIN. APU RENDERED INOPERATIVE. REMOVED AND REPLACED FUEL METERING VALVE PER MM 49-31-07. OPS AND LEAK CHECK OK. (M)SDR C2XA02IA214Tank · odorIAH- THE CREW NOTED A STRONG ODOR OF FUEL AFTER TAKEOFF. THE ODOR OF FUEL WENT AWAY AFTER APU SHUT DOWN. MAINTENANCE DRAINED FUEL FROM THE EPA TANK, GROUND RAN APU, NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR LI32003F00000Manifold · brokenAIRLINE REPORTED THE FOLLOWING APU AUTO SHUTDOWN WITH LARGE AMOUNT OF FUEL COMING OUT OF APU AREA. FUEL FOUND TO BE FROM FUEL LINE NOZZLE NEAR TOP ON LEFT SIDE OF APU. FUEL DID NOT IGNITE. MAIN FUEL MANIFOLD HAS ONE BROKEN TUBE BETWEEN THE FLEXIBLE FIRE SLESDR LI32002F00000Line · brokenREPAIRED THE FOLLOWING APU AUTO SHUTDOWN WITH LARGE AMOUNT OF FUEL COMING OUT OF APU AREA. FUEL FOUND TO BE FROM FUEL LINE NOZZLE NEAR TOP ON LEFT SIDE OF APU, FUEL DID NOT IGNITE. MAIN FUEL MANIFOLD HAS ONE BROKEN TUBE BETWEEN THE FLEXIBLE FIRE SLEEVE AND TSDR CA020927005Fuel Nozzle · cracked(CAN) FUEL LEAK NOTED AT APU. FOUND CRACKED FUEL NOZZLE. APU INOP'D IAW MEL.FUEL NOZZLE AT 2 O'CLOCK POSITION REPLACED. APU OPERATIONAL.SDR C2XA02CL185Fuel Line · looseIAH FLIGHT NR 3922 THE CREW REPORTED A STRONG FUEL SMELL IN CABIN AND COCKPIT WHEN STARTING THE APU. MAINTENANCE INSPECTED AND RESECURED FUEL LINE AT THE APU FUEL ACCELERATION CONTROL UNIT. OPERATIONAL CHECKS WERE GOOD.SDR L1O2002F00000Line · chafedWHILE PERFORMING A POSTFLIGHT CHECK, FOUND APU FUEL PRESSURE LINE CHAFED. IT WAS CHAFING THE APU HIGH OIL TEMPERATURE SWITCH CONNECTOR PLUG P-12. THE FUEL LINE WAS CHAFED APPROXIMATELY 60 PERCENT OF THE WALL THICKNESS.SDR MEX2002285O-Ring · leakingDURING TRANSIT CHECK, A FUEL LEAK WAS DETECTED NEAR APU FUEL FEED LINE DRAIN. APU WAS TURNED OFF, HOWEVER THE LEAK CONTINUED, THE FUEL PUMP WAS TURNED OFF AND LEAK DISAPPEARED. LINE WAS CHECKED BUT NO DAMAGE WAS FOUND. THE APU FUEL FEED VALVE WAS DISCONNESDR C2XA02IA185Apu · leakingHRL- THE CREW NOTED THAT THE APU HAS A STRONG FUEL SMELL WHEN RUNNING. MAINTENANCE INSPECTED THE APU AND THE AIRCRAFT WAS RELEASED IAW MEL. MAINTENANCE REMOVED AND REPLACED THE APU, PERFORMED A OPERATIONAL CHECK AND A LEAK CHECK. NO DEFECTS NOTED AND THE ASDR CA020822001Nozzle · cracked(CAN) DURING ROUTINE MAINTENANCE, APU WOULD NOT START. APU BAY DOORS OPENED AND FUEL LEAK NOTED. FOUND THE FUEL NOZZLE AT THE 6 O'CLOCK POSITION CRACKED. APU INOPERATIVE IAW MEL 49-10-01, AND FUEL NOZZLE ORDERED. FUEL NOZZLE REPLACED AND AIRCRAFT RETURNED INSDR CA020731001Fuel Nozzle · cracked(CAN) THE INITIAL PROBLEM REPORTED WAS THAT, WITH APU BLEED ON & BOTH PACKS OPERATING, DUCT PRESSURE WOULD DROP TO APPROX 20 PSI & APU BLEED CAUTION MESSAGE WAS POSTED. APU RPM ALSO DROPPED AND, DURING ENGINE START, APU GEN DROPPED OFF LINE. 1ST ACTION TAKEN SDR DLM11020863Fuel Control · malfunctionedSMOKE AND ACRID SMELL IN THE AFT CABIN WITH ENGINE SHUT DOWN AND USING APU PNEUMATICS. REMOVED AND REPLACED APU FUEL CONTROL UNIT. NO LEAKS FROM FUEL CONTROL. CHECKS GOOD. APU CHECKS GOOD. REMOVED MCO.SDR AUS20020601Relay · failed(AUS) APU FUEL VALVE RELAY FAILED.SDR GTIA020524O-Ring · leakingMCO - FLT 927 - SMELL OF FUEL IN COCKPIT WHILE TAXIING AT MCO. REMOVED AND REPLACED FUEL SOLENOID O-RINGS SEALS. OPS AND LEAK CHECK NORMAL. (M)SDR CA020514001Tube · cracked(CAN) PRESENCE OF FUEL WAS DETECTED IN APU FUEL FEED LINE SHROUD, BENEATH CABIN FLOOR BETWEEN FRAMES 46 & 79. AFTER REMOVING A SECTION OF SHROUD FROM DRAIN TO FRAME 46 & GOING AFT, FUEL SHROUD AFT OF FRAME 79 STOPPED SHOWING PRESENCE OF FUEL. APU FUEL FEED TUBSDR AWXA200200401Fuel Control · failedAPU SHUTDOWN IN CRUISE; NR 2 ENGINE GENERATOR WAS ALREADY ON MEL 24-00-1, COND NR 1 (RT ENGINE DRIVEN GENERATOR INOPERATIVE, ACFT DIVERTED TO CMH. MX TROUBLESHOT & FOUND AN INTERMITTENT GROUND TERMINAL -N- AND FOUND PIN -D- LOOSE ON NR 2 ENG IDG TERMINAL CANNSDR C2XA02CL095Odor · detectedCLE FLIGHT 4005 THE CREW REPORTED A STRONG FUEL SMELL IN THE CABIN AFTER APU START. MAINTENANCE INSPECTED AND PERFORMED OPERATIONAL CHECKS OF THE APU. NO FUEL SMELL WAS NOTED. THE AIRCRAFT WAS RELEASED FOR SERVICE.SDR ZW0A0203502Cap · leakingFUEL SMELL IN AIRCRAFT CABIN. REMOVED AND REPLACED LEAKING RUBBER CAP ON ATOMIZER IN APU COMBUSTION CHAMBER.SDR GJQ2002F00002Bolt · brokenBOLT BROKE ON CLAMP SECURING OIL PUMP FILTER ASSEMBLY ON APU. OIL LEAK CAUSED SMOKE IN CABIN. REPLACED CLAMP ASSEMBLY AS PER MM.SDR COMA0260176O-Ring · damagedFLIGHT 5310 JET FUEL SMELL IN COCKPIT WITH LEFT A/C PACK OPERATING. REPLACED LEAKING O-RING ON APU FUEL CONTROL.SDR C2XA02IA035Apu · leakingCLE- THE CREW NOTED THAT A STRONG FUEL ODOR OCCURRED WHEN STARTING THE APU. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL. MAINTENANCE REMOVED AND REPLACED THE APU. PERFORMED A OPERATIONAL CHECK OF THE APU, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURSDR C2XA02CL044Check Valve · dirtyCLE THE CREW REPORTED ON APPROACH THE APU FAILED DURING START UP AND A FUEL SMELL WAS NOTED. ON THE GROUND THE APU DID START AND THE FUEL ODOR WAS PRESENT AGAIN. MAINTENANCE INSPECTED AND CLEANED THE APU COMBUSTER DRAIN CHECK VALVE. OPERATIONAL CHECKS WERE SDR ASAA0280018Fuel Line · leakingFAI - INTERMITTENT FUEL ODOR IN COCKPIT AND CABIN NOTED DURING FLIGHT. RESECURED LOOSE FUEL LINE CONNECTION TO APU BURNER. ALSO, TIGHTENED BURNER CAN CLAMP. RAN APU. NO FUEL ODOR WAS NOTED. (M)SDR AWXA200200098Flow Divider · leakingCMH - APU TAILPIPE FIRE - S - WHILE AIRCRAFT WAS ON GROUND FOR RON AT CMH AUXILIARY POWER UNIT WAS PREMATURELY SHUTDOWN AND FLAMES WERE REPORTED COMING FROM THE TAILPIPE AREA, THERE WERE NO FIRE WARNINGS, EGT PROBLEMS, OR ECAM MESSAGES. MAINTENANCE PERFORMED SDR C2XA02IA014Nozzle · dirtyIAH- FLIGHT 3794, STRONG FUEL SMELL IN CABIN AND COCKPIT WHEN APU STARTED ON APPROACH. MAINTENANCE CLEANED APU START FUEL NOZZLES, PERFORMED A OPERATIONAL CHECK OF THE APU, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR C2XA02IA008Tank · odorIAH- AT THE GATE THE CREW NOTED THAT A GAS FUME SMELL IN THE CABIN WITH THE APU RUNNING. MAINTENANCE DRAINED THE APU EPA TANK, PERFORMED A OPERATIONAL CHECK OR THE APU, NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR C2XA02CL005Odor · detectedCLE FLIGHT 3198 THE CREW REPORTED A STRONG FUEL SMELL IN COCKPIT WHEN STARTING APU BOTH ON GROUND AND IN FLIGHT. MAINTENANCE PERFORMED APU OPERATIONAL CHECKS AND NO DEFECTS WERE FOUND. THE AIRCRAFT WAS RELEASED FOR SERVICE.SDR C2XA01CL260Check Valve · dirtyCLE FLIGHT 3075 THE CREW REPORTED A STRONG FUEL SMELL IN THE CABIN WITH THE APU BLEED ON. MAINTENANCE INSPECTED AND PLACED THE APU ON MEL. MAINTENANCE CLEANED COMBUSTOR DRAIN CHECK VALVE. OPERATIONAL CHECKS OF APU WERE GOOD. NO FUEL SMELL WAS NOTED IN CABISDR C2XA01CL253Check Valve · sticksCLE FLIGHT 3218 THE CREW REPORTED A STRONG FUEL SMELL IN THE COCKPIT AND FORWARD CABIN WHEN THE APU IS STARTED. THE APU WAS PLACED ON MEL. MAINTENANCE REMOVED AND REPLACED THE APU FUEL DRAIN CHECK VALVE. OPERATIONAL CHECKS WERE GOOD.SDR 2002FA0000027Fuel Bowl · contaminatedDURING SCHEDULED INSPECTION AND FILTER CHANGE, EXCESSIVE CONTAMINATION FOUND IN FILTER BOWL ASSEMBLY.SDR DL738011899Fuel Line · leakingON TAXI OUT LIT HAD APU FIRE WARNING. CREW FIRED BOTTLE AND RTN TO GATE. UPON FURTHER INVESTIGATION CONTRACT MTC FOUND WHAT APPEARS TO BE A SMALL BURNT SPOT IN INSULATION BLANKET CAUSED BY WHAT APPEARS TO BE A LEAKING FUEL LINE ON APU. CA REMOVED AND REPLACSDR SWIA200110243Manifold · crackedWITH APU BLEED AIR ON CABIN SMELLS OF FUEL. RAN LEFT AND RIGHT ENGINE BLEEDS, NO FUEL SMELL NOTED. FOUND LEAK IN SECONDARY FUEL MANIFOLD CRACK AT THE FLARE. REPLACED APU SECONDARY FUEL MANIFOLD WITH SERVICEABLE ASSEMBLY. OPS CHECK GOOD. NO LEAKS NOTED AT SDR AWXA200100447Fuel Line · damagedPHX-FLT 299-FUEL SMELL IN CABIN-C-WHILE THE AIRCRAFT WAS SITTING AT THE GATE WITH THE APU RUNNING AND AIR CONDITIONING PACKS ON THERE WAS A SMELL OF FUEL IN THE CABIN, STRONGEST OVERWING. WITH THE PACKS TURNED OFF THE SMELL DISSIPATED. MAINTENANCE TROUBLESHOSDR SIMA200124301Fuel Line · chafedXNA - MAINTENANCE REPORTED APU WOULD NOT START. MAINTENANCE TROUBLESHOT AND FOUND APU FUEL LINE WHICH RUNS TO THE START FUEL NOZZLES CHAFFED. REMOVED AND REPLACED APU FUEL LINE IAW HAMILTON SUNSTRAND CMM. (M)SDR USAABB01089Fcu · faultySEA - FLT 108/9280 - WHILE AWAITING TAKEOFF IN SEA, CREW RECEIVED A RIGHT IDG WARNING. FLIGHT WAS REDISPATCHED WITH THE RIGHT GENERATOR ON MEL AND THE APU OPERATING. APPROXIMATELY THIRTY MINUTES INTO FLIGHT, THE APU FAULTED AND SHUTDOWN. FLIGHT RETURNED TO SDR RU32001F00000Cover · brokenAPU MODEL NUMBER GTCP 36-150RJ. THE LOW PRESSURE FUEL FILTER COVER MOUNTING EAR WAS COMPLETELY BROKEN OFF THE COVER WHERE THE MOUNTING BOLT ATTACHES THE COVER TO THE FUEL CONTROL. APU CONTINUED TO RUN AFTER EAR BROKE OFF.SDR CA010704021Fuel Bowl · cracked(CAN) AFTER ARRIVAL IN PUJ NOT ABLE TO START APU, ON WALK AROUND FOUND FUEL LEAK COMING FROM APU, INVESTIGATED FOUND FUEL BOWL COVER LEAKING. MAINTENANCE REPLACED FUEL BOWL/LEAKCHECKED AND RETURNED AIRCRAFTTO SERVICE.SDR CA010704019Fuel Bowl · cracked(CAN) ON PREPARING AIRCRAFT FOR DEPARTURE MAINTENANCE EXPERIENCED AN APU HUNG START ABORTED, ON INVESTIGATION FOUND APU FILTER BOWL CRACKED. 3RD OCCURANCE OF DEFECT. PUMP AND FILTER BOWL ASSEMBLY HAD BEEN PREVIOUSLY REPLACED DUE TO COULD NOT DISCOVER WHY 2ND OSDR CA010704020Heat Exchanger · cracked(CAN) FUEL LEAK AT HEAT EXCHANGER CORE.SDR SWIA972614Fuel Control · faultyUPON LIFT OFF FROM PDX, STRONG FUEL SMELL NOTED IN CABIN AND FLIGHT DECK. APU BLEED WAS POWERING BOTH PACKS. INSPECTED APU AND BLEED SYSTEM. NO FAULTS NOTED. REMOVED AND REPLACED APU FUEL CONTROL UNIT. OPS CHECK GOOD IAW ALLIED SIGNAL MM 49-00-00. P/N: SDR C2XA01IA248B-Nut · looseIAH - FLIGHT 3443, THE CREW REPORTED A FUEL SMELL FROM THE APU BLEED. MAINTENANCE INSPECTED THE APU AND TIGHTENED THE B-NUT ATTACHING THE APU FUEL LINE TO THE APU, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR C2XA01IA240Tank · odorIAH - AFTER ENGINE SHUTDOWN ON TAXI TO GATE THE CREW REPORTED A FUEL SMELL IN THE CABIN AFTER APU START. MAINTENANCE DRAINED THE APU EPA TANK, OPERATIONALLY CHECKED THE APU WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR AUS20010615Fcu · faulty(AUS) APU FUEL CONTROL UNIT FAULTY. INVESTIGATION FOUND PISTON ANDSHAFT SET IN TIMER WORN. THE GOVERNOR SHAFT WAS WORN. FLYWEIGHT TOES WORN. PACKINGS AND SEALS FLAT AND WORN.SDR AUS20010518Fcu · faulty(AUS) APU FUEL CONTROL UNIT FAULTY.SDR C2XA01IA166Tank · odorIAH - FLIGHT 3420, THE CREW REPORTED THAT THE APU BLEED CAUSED A FUEL SMELL IN THE CABIN. MAINTENANCE DRAINED THE APU EPA TANK, OPERTAIONALLY CHECKED THE APU AND PACKS SYSTEM WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR C2XA01IA183Plug · leakingIAH - FLIGHT 2479, THE CREW REPORTED A STRONG FUEL SMELL AFTER DEPARTURE FROM CLL. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE APU EPA TANK DRAIN PLUG, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR C2XA01BT021Fuel Line · looseSTL/EWR - FLT 4271 - CREW REPORTED ''STRONG SMELL OF FUEL AFTER STARTING THE APU IN FLIGHT''. MAINTENANCE CONTROL MEL''D AIRCRAFT PER MEL 49-00-00 PLACARD PLACARD NR 009259. AIRCRAFT RETURNED TO EWR. MAINTENANCE SECURED FUEL LINE AT FUEL FILTER, AND GROUND SDR C2XA01BT018Line · leakingEWR - FLT 3605 - CREW REPORTED STRONG ODOR OF FUEL IN COCKPIT AND CABIN DURING APU START IN FIGHT. MAINTENANCE INVESTIGATED AND PLACED APU ON NEL NR 49-00-00-C PLACARD NR 009254, AND RELEASED AIRCRAFT TO SERVICE. (M)SDR C2XA01BT017Line · leakingEWR - FLT 4254 - CREW REPORTED STRONG ODOR OF GAS IN COCKPIT WHEN APU STARTED IN AIR. NO ODOR WHEN STARTED ON GROUND. MAINTENANCE PERFORMED OPERATIONAL CHECK OF APU REFERENCE TO EMB145 MM 49-00-00. OPS CHECKED GOOD. LEAK CHECKED GOOD. (M)SDR USAASB01019Fuel Control · malfunctionedMCO - FLT 2993 - EN ROUTE FROM BOS-FLL, AT FL330, THE APU SHUTDOWN IN FLIGHT. WITH THE NR 1 CSD/GENERATOR ALREADY ON MEL, FLIGHT DIVERTED TO MCO. CAPTAIN WAS ABLE TO RESTART THE APU DESCENDING THROUGH FL240. FLIGHT LANDED WITHOUT FURTHER INCIDENT AT MCO AND
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