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 DL76G070947Fuel Control · malfunctionedAPU FAULT LIGHT DURING START 2 ATTEMPTS. RTB, ECU FAULT FUEL CONTROL UNIT. REPLACED FUEL CONTROL UNIT PER M/M.SDR AMTA200700331Valve · unserviceableAPU FAILED TO LIGHT OFF ROTATION AND IGNITION. OK, NO FUEL FLOW. TROUBLESHOT SYSTEM IAW FIM 49-31-00-810-808. FOUND APU FUEL SHUTOFF VALVE WOULD NOT OPEN. REMOVED AND REPLACED VALVE IAW AMM 28-25-02-4. OPS CHECK GOOD. (K)SDR MASA200700356Solenoid Valve · leakingASH 7275 IDA. PILOT REPORTED A STRONG EXHAUST ODOR IN THE FLIGHT DECK WITH THE LEFT PACK ON. MX FOUND THE APU FUEL SOLENOID VLV LEAKING. CHANGED VLV, OPS CHECK GOOD.SDR FDKA200706271Fuel Sys · leakingFDM 6055 TPA-TLH (0930 PHX LCL). SMELL OF FUEL DURING USE OF APU. MX FOUND LEAK COMING FROM APU AND PLACED APU ON MEL.SDR AMTA200700288Fuel Control · inoperativeAPU WOULD NOT START FAULT LIGHT ILLUM. REPLACED FCU IAW AMM 49-31-11-4 AND PERFORMED APU BITE CHECK. NO FAULTS ON SEVERAL STARTS. (K)SDR 200714803Fadec · failedAPU IN OPERATION TO COMPLY WITH MEL 24-5. APU FAILED DURING CLIMB-OUT. REPLACED APU FADEC. OPERATIONAL CHECKS GOOD. RETURNED AIRCRAFT TO SERVICE.SDR ASMF20070506Fuel Control · failedAIRCRAFT AIR TURN BACK, APU FAILED DURING CLIMB AND RT GENERATOR WAS INOPERATIVE. AIRCRAFT LANDED WITH 84367 KG AND MAXIMUM LANDING WEIGHT IS 85811 KG IAW DISPATCH MANUAL 5-3-1/2 NOT REQUIRING OVERWEIGHT LANDING INSPECTION. MAINTENANCE PERSONNEL REPLACED RT SDR SWIA200718201B-Nut · leakingAFTER TAKEOFF FROM SLC, THE CABIN SMELLED OF FUEL AFTER THE APU WAS SHUTDOWN. FOUND APU FUEL SOLENOID TO BE LEAKING AT THE B-NUT CONNECTION. TIGHTENED B-NUT ON APU FUEL SOLENOID. NO LEAKS NOTED.SDR CA070523004Shutoff Valve · open(CAN) WHILE PREPARING FOR A DEPARTURE. APU FAILED TO START. APU NEVER ACCEL`D PAST 13 PERCENT ON FIRST ATTEMPT AND LARGE AMOUNT OF FUEL VAPOR EMITTED FROM EXHAUST. NEAR THE END OF START ATTEMPT, BRIEF FLAME AND SMOKE EVIDENT AT EXHAUST PIPE EXIT. AFTER ALLOWINSDR VNAA0703022Fuel Sys · leakingMAINTENANCE REPORTED SMELLING FUMES WHILE INSIDE THE COCKPIT AFTER TROUBLESHOOTING THE APU AND THE APU RUNNING. MAINTENANCE INVESTIGATED AND FOUND THE APU ON FIRE. FIRE WAS EXTINGUISHED USING THE APU FIRE BOTTLE. MAINTENANCE INSPECTED AND FOUND A FUEL LEAK SDR CA070321013Ecu · malfunctioned(CAN) GROUND CREW REPORTED FLAMES FROM APU EXHAUST DURING PUSHBACK. COCKPIT HAD NO FIRE INDICATIONS. CREW SHUTDOWN AND PASSENGERS DEPLANED. MAINTENANCE INSPECTED AND APU MEL`D. LATER MAINTENANCE TROUBLESHOOTING FOUND APU ECU WITH FAULT/ERROR CODES. APU ECU REPSDR A6WA200740093Solenoid · leakingFUEL LEAK AND RUNNING DOWN BELLY SURFACE UNDER TAIL. FOUND APU FUEL SOLENOID LEAKING DRAINING OUT FUSELAGE BELLY DRAIN. DEACTIVATED APU, NO LEAK NOTED, REMOVED AND REPLACED FUEL SOLENOID AND O-RING AT LOWER ELBOW FITTING IAW AMM 49-31, NO LEAKS NOTED. (K)SDR C2XA07IA039Fuel Sys · leakingIAH - FLIGHT 2097, DURING PREFLIGHT INSPECTION THE CREW REPORTED A FUEL SMELL IN THE COCKPIT WITH THE APU ON. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE APU ON MEL 49-00-00 -C- 116102. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. THE AIRCRAFT RESDR C2XA07IA038Fuel Nozzle · unknownIAH - FLIGHT 2041, THE CREW REPORTED A FUEL SMELL IN THE CABIN ON START. MAINTENANCE PLACED THE APU ON MEL 49-00-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. THE AIRCRAFT RETURNED TO IAH ON FLIGHT 2891 WHERE MAINTENANCE REMOVED AND REPLACED THE ASDR DJFA2007020Pressure Switch · leakingTRIP NR 1133786, CREW REPORTED SMELL OF BURNING RUBBER OR OIL IN THE CABIN WITH THE APU RUNNING. SMELL WENT AWAY 2.5 HRS INTO THE FLIGHT AND CAME BACK WHEN THE APU WAS STARTED. THE SMELL INCREASED WHEN THE PACKS WERE TRANSITIONED FROM THE ENGINES TO THE APU.SDR QKPR07001Fcu · leakingTHERE IS A PIN HOLE IN THE FCU HOUSING. IN THIS CASE THERE WAS 4 STREAMS OF FUEL AND HEAVY MISTING.SDR SWIA200717783Fuel Control · leakingUPON LANDING, SMELLED A FUEL SMELL AFTER STARTED THE APU. APU AUTO SHUT DOWN. REPLACED APU FUEL CONTROL UNIT IAW 49-31-01. OPERATIONAL CHECKS GOOD.SDR CA070202002Line · chafed(CAN) JANUARY 296/2007 DEFECT 591259, THERE WAS A FUEL SMELL COMING FROM THE APU BLEED. THE APU WAS DEFERRED AND INHIBITED IAW MEL 49-10-01-1. JANUARY 29/2007 MAINTENANCE REPLACED THE ECU FOR TROUBLESHOOTING, BUT THERE WAS NO FIX. FEBRUARY 01/2007 FURTHER TRSDR SWIA200717676Shutoff Valve · odorSTRONG ODOR OF FUEL WHEN APU IS RUNNING ON GROUND. REPLACED METERED FUEL OUTLET TUBE AND FUEL SHUT OFF VALVE IAW 49-31-01. OPERATIONAL CHECKS GOOD.SDR A6WA200740010O-Ring · leakingWITH BLEEDS SUPPLIED BY APU, STRONG FUEL ODOR NOTED. WITH BLEED SON ENGINE, NO ODOR NOTED. FOUND FUEL LEAKING FROM FCU ELBOW/NUT FITTING. REMOVED AND REPLACED O-RING. LEAK CHECK GOOD. NO FUEL SMELL NOTED. RED AMM 49-30-01. (M)SDR AMTA200700012Ecu · failedAPU AUTO SHUTDOWN, SHOW REV FLOW LAST 3 SHUTDOWNS AND CODES 36 AND 43. REMOVED AND REPLACED APU ECU REF MM. OPS AND BITE CHECK GOOD. APU RUN NORMAL. (K)SDR CA070108005Fcu · leaking(CAN) DEC 28/06, AERO CALLOUT 061228/01, ON PUSHBACK, A RAMP AGENT NOTICED A PUDDLE OF FUEL ON THE GROUND AT THE BACK OF THE AIRCRAFT. APPARENTLY, FUEL WAS LEAKING FROM THE APU. THE CAPTAIN CHECKED THE LEAK AS F/O CALLED APRON. THE FIRE TRUCKS WERE CALLED ASDR CA061211006Line · broken(CAN) RT AIR CONDITIONING PACK WAS DEFERRED AND CREW HAD TO SHUTDOWN APU ON APPROACH BECAUSE OF OIL/FUEL ODOR IN THE CABIN. CREW REPORTED A PRESSURE BUMP WHEN APU WAS SHUTDOWN. APU WAS SUSPECTED TO BE OVER SERVICED, BUT EVEN AFTER DRAINING A LITRE OF OIL APUSDR C2XA06IA183Manifold · leakingIAH - FLIGHT 2072, THE CREW REPORTED A STRONG FUEL SMELL AFTER CLOSING THE MAIN CABIN DOOR. MAINTENANCE REMOVED AND REPLACED THE APU SECONDARY FUEL MAINFOLD, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.SDR MASA200602419Gasket · damagedASH 7452 ABE - CAPTAIN REPORTED APU FIRE INDICATION ON APPROACH FOR 2 OR 3 SECONDS DURING APU START UP, FOLLOWED BY APU FAIL THEN APU DOOR INHIBIT. MX INSPECTED AND NO FIRE OCCURRED DURING APU START. MX R & R THE GASKET ON THE FUEL NOZZLE AND TIGHTENED THE SSDR SIMA200628207Fuel Sys · leakingMSN - FLT 3922 - FUEL LEAKING FROM APU AND FUEL SMELL IN CABIN. (M)SDR SWIA200617250Solenoid Valve · failedSTRONG FUEL ODOR IN COCKPIT WHEN APU IS USED. REPLACED FUEL SOLENOID VALVE IAW MM 49-31-05. OPERATIONAL CHECKS GOO, PN 692545-17.SDR MASA200602347Line · leakingASH 7304 ORD. FUEL ODOR IN CABIN. MX PLACED APU ON MEL. MX REMOVED AND REPLACED FUEL LINE. OP'S CHECK GOOD.SDR MASA200602337Packing · defectiveASH 7203 IAD. CAPTAIN REPORTED EXHAUST/FUEL SMELL IN CABIN AND FLIGHT DECK. MX REMOVED AND REPLACED PACKING ON APU FCU. (9-26-06)SDR QKPR06009Fuel Control · leakingFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL, AT IDLE AND WHEN PRESSURE IS APPLIED, TO EXIT THE FCU. POTENTISDR 2006FA0000963Fcu · corrodedFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL TO EXIT THE FCU DURING OSDR QKPR06002Fcu · leakingFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL, AT IDLE AND WHEN PRESSURE IS APPLIED, TO EXIT THE FCU. POTENSDR QKPR06001Fcu · leakingFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL, AT IDLE AND WHEN PRESSURE IS APPLIED, TO EXIT THE FCU. POTENSDR C2XA06BT039Fuel Control · faultyCREW REPORTED AIR CONDITIONING PACK NR 1 PRODUCES STRONG FUEL SMELL WHEN SELECTED ON WITH APU BLEED. SMELL RE-OCCURRED IN FLIGHT WITH ENGINE BLEED SELECTED. SMELL WAS ONLY PRESENT IN THE COCKPIT, NOT IN THE CABIN. MAINTENANCE REMOVED AND REPLACED FUEL CONTRSDR A6WA200640342Solenoid Valve · malfunctionedAPU FAULT CAUTION MESSAGE OCCURRED IN FLIGHT DURING STARTUP. COMPLIED WITH QRH. STRONG SMELL OF FUEL FUMES PRESENT IN COCKPIT AND CABIN AFTER, APU SHUTDOWN. REMOVED AND REPLACED ECU AND FUEL SOLENOID VALVE, IAW AMM CHAP 49. NO FUEL LEAKS OR SMELL IN AIRCRASDR QXEA200602090Pressure Sensor · leakingPDX- ON FLIGHT 2568 ON GROUND NOTICED FUEL LEAKING FROM THE BELLY OF THE AIRCRAFT. MAINTENANCE REPLACED THE APU FUEL PUMP PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QKPR06007Fuel Control · leakingFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL, AT IDLE AND WHEN PRESSURE IS APPLIED, TO EXIT THE FCU. POTENTISDR SWIA200616934B-Nut · looseFUEL ODOR IN COCKPIT DURING APU USEAGE. SECURED LOOSE (B) NUT ON APU FUEL SHUTOFF VALVE. OPERATIONAL CHECKS GOOD.SDR FX7A200600006Fcu · leakingAFTER ENGINE STARTING AND DURING TAXI A STRONG ODOR OF FUEL IN THE AIRCRAFT CABIN WAS DETECTED FOR THESE REASON THE AIRCRAFT RETURNED TO THE BLOCK. LOG PAGE 38680 - MIA LINE MTX INSPECTED THE AIRCRAFT AND FOUND THAT THERE WAS FUEL LEAKING OUT OF THE APU FUELSDR A6WA200640289Solenoid · unknownEN ROUTE AT CRUISE WHEN COCKPIT A/C WAS SELECTED WARMER A STRONG SMELL OF WHAT APPEARED TO BE FUEL WAS OBSERVED THROUGH THE COCKPIT ECS SYSTEM WHEN TEMP CONTROLLER WAS MOVED BACK TO COLD THE ODOR WENT AWAY AND WAS NOT OBSERVED ANYMORE. REMOVED AND REPLACED FUSDR SWIA200616913Fuel Line · damagedSTRONG FUEL ODOR FROM BLEED SYSTEM THROUGH ENTIRE AIRCRAFT. REPLACED FUEL LINE ON APU FUEL TO FLOW DIVIDER. OPERATIONAL CHECKS GOOD, P/N ON - 3883449-1.SDR A6WA200640287Solenoid Valve · leakingSMELL OF RAW FUEL COMING FROM ECS SYSTEM EN ROUTE WITH APU NOT OPERATING. SEEMS STRONGEST WITH LT PACK TEMP IS INCREASED. FUEL SMELL AFTER ENGINE START BUT ONLY LASTED FOR SECONDS. REMOVED AND REPLACED APU FUEL SHUTOFF SOLENOID VALVE IAW 49-31-05. OPS CHECSDR ASMF200607009Fcu · failedAIRCRAFT RETURNED TO PLATFORM, RT GENERATOR AND APU FAILED. BCU WAS REPLACED BUT APU FAIL CONTINUED. AIRCRAFT WAS SENT TO THE HANGAR, FCU AND FUEL PUMP WERE REPLACED IAW MM 73-20-01 AND 73-12-01 AND TESTED IAW MM 71-00-00, ALL CORRECT.SDR MASA200601800Fuel Control · leakingASH 6070 PHX - STRONG FUEL ODOR IN CABIN ON APPROACH WITH APU ON. MAINTENANCE REMOVED AND REPLACED FCU AND FUEL SOLENOID.SDR QKPR06003Fcu · leakingFUEL PRESSURE IN THE DIFFERENTIAL PRESSURE VALVE IS CAUSING SEVERE PITTING INSIDE THE FCU HOUSING. THIS PITTING EVENTUALLY BECOMES A PIN HOLE IN THE HOUSING. THIS PIN HOLE ALLOWS A STREAM OF FUEL, AT IDLE AND WHEN PRESSURE IS APPLIED, TO EXIT THE FCU. POTENSDR DXTA200601403Manifold · leakingWHILE CLIMBING THRU 10000 FT WE NOTICED SMOKE IN THE CABIN WITH A HEAVY KEROSENE SMELL. WE SHUT DOWN THE APU AND SMOKE CLEARED. - INSPECTED APU-FOUND FUEL LEAKS AT SECONDARY FUEL MANIFOLD, SECONDARY FUEL NOZZLE FLOW DIVIDER, REPLACED SEAL ON FLOW DIVIDER, REPLSDR A6WA200640205B-Nut · looseFUEL ODOR AFTER APU START IN FLIGHT. SHUTDOWN APU, ODOR DISIPATED. INSPECTED AND FOUND LOOSE (B) NUT ON FUEL LINE TO APU FUEL PUMP. RESECURED (B) NUT IAW AMM. OPS AND LEAK CHECK GOOD AT THIS TIME. (K)SDR ASMF20060508Sensor · faultyAIRCRAFT RETURNED TO PLATFORM, APU WITH LOW PRESSURE. ENGINES WERE STARTED WITH GROUND EQUIPMENT. DURING OVERNIGHT SERVICE, SENSORS P2, PT AND DP WERE REPLACED IAW MM 49-52-31, 49-52-32 AND 49-52-33, RESPECTIVELY, TESTED CORRECT.SDR SA06032Fuel Divider · faultyFLIGHT 25, BDA-PHL, APU AUTO SHUTDOWN TWICE AT FL380 AND FL320. MAINTENANCE FOUND EXCITER AND OIL PRESSURE FAULTS ON TEST PAGE OF MCDU. REMOVED AND REPLACED APU EXCITER, OIL PRESSURE SWITCH AND FLOW DIVIDER. APU FAULTS REMOVED, OPS AND LEAK CHECKS ARE GOOD.SDR SQJ2006F00002Solenoid Valve · failedAUXILIARY POWER UNIT WOULD NOT START. TROUBLESHOOTING LED TECH TO A BAD FUEL SHUTOFF SOLENOID VALVE. AFTER REMOVING VALVE, IT WAS FOUND NOT TO HAVE AN ALIGNMENT PIN FOR CONNECTOR PLUG AND PINS WERE BADLY TWISTED. CONNECTOR PLUG DID HAVE A GROOVE. THERE WA
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