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 QKPR06008Fcu · 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 VNAA0405007Pump · failedAPPROXIMATELY 20 MINUTES FROM PHL, THE CREW RECEIVED A FUEL IMBALANCE INDICATION. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND SHUTDOWN THE LEFT HAND ENGINE AND LANDED AT PHL. MECHANICS WERE SENT FROM DAY. MAINTENANCE THEN INSPECTED AND REPLACED THE ASDR FE5F200400001Fuel Control · deterioratedDURING TRANSIT , APU RUNNING SUPPLIED BOTH ELEC.POWER AND AIR CONDITION, THE ELECTRICAL POWER ON / OFF INTERMITTENTLY, AND FINALLY ELEC.POWER DISCONNETED. AFTER THAT, THE SMOKE CAME OUT AT REAR CABIN AREA. MAINTENANCE CHECKED FOUND APU RPM WILL FLUCTUATED WHSDR A6WA200440046Line · leakingAT FL310, STRONG ODOR OF JET FUEL FUMES, FLIGHT ATTENDANT ALSO HAD SAME SMELL FROM ROW 2 FORWARD TO GALLEY. NO ODOR AT REAR OF CABIN, DESCENDED TO FL280, SAME ODOR, DESCENDED TO FL240 ODOR WENT AWAY. IN DESCENT CENTER TANK QTY FLUCTUATING BETWEEN 0-20 LBS. SDR SWIA200413127Fitting · leakingFUEL SMELL IN AIRCRAFT CABIN, ALSO FUEL LEAK FROM REAR OF AIRCRAFT. REPLACE FITTING AT APU FUEL CONTROL TO FUEL SHUTOFF VALVE. RAN APU, OPS CHECK AND LEAK CHECK GOOD. P/N: AP258S04.SDR MASA200400176Fuel Sys · leakingSTRONG ODOR OF FUEL VAPORS IN CABIN WHEN APU BLEEDS TURNED ON. ODOR STARTED TO DISSIPATE WHEN BLEEDS SWITCHED OFF BUT TAXI WAS TOO SHORT TO FULLY DISSIPATE WITH PACKS RUNNING OFF ENG BLEEDS. APU INTERNAL LEAK. MX DEFERRED THE APU 4/3/2004. MX RAN APU, NO DSDR C2XA04CL029Apu · odorCLE FLIGHT 2888 THE CREW REPORTED A STRONG FUEL ODOR IN THE COCKPIT WHEN THE APU WAS STARTED. MAINTENANCE PLACED THE APU ON MEL.SDR AUS20040108Pipe · worn(AUS) APU GRAVITY FUEL FEED LINE CHAFED. DEPTH OF DAMAGE 0.0508MM (0.002IN). FOUND DURING INSPECTION IAW AD/DHC-8/093 (SB8-49-019).SDR QXEA200400100Filter · odorDEN FLIGHT NR 4015 DURING STARTUP, INITIALLY HAD AN APU FAULT. THAT MESSAGE WENT AWAY. STARTED APU UP AND AIRCRAFT WAS FILLED WITH A STRONG ODOR OF JET FUEL. REPLACED FUEL FILTER. PERFORMED OPERATIONAL TEST AND LEAK TEST OF APU IAW CRJ700 MM TASK 49-31-01-SDR GTIA040041Packing · damagedDTW - FOUND FUEL ODOR IN AIRCRAFT CABIN. REPLACED A PACKING AT APU FUEL HEATER. (M)SDR DHL2004742002Odor · detectedAPU GENERATES RAW JET-A ODOR AFTER STARTING AND TURNING PACKS ON. OPERATED PACKS, NO JET-A ODOR NOTICED, OK IAW MM 49-00-00.SDR QXEA200400084Pressure Switch · leakingMAINTENANCE FOUND A FUEL LEAK AT THE CENTER BAY, FORWARD WING TO FUSELAGE PANELS. MAINTENANCE FOUND THE APU FUEL PUMP PRESSURE SWITCH/SENSOR RELEASING A STEADY STREAM FROM THE WEEP HOLE WHEN THE PUMP WAS ON. THE PRESSURE SWITCH/SENSOR WAS REPLACED, OPERATIONSDR CA040208003Apu · leaking(CAN) FOR THE OVERNIGHT, THE FLIGHT CREW WERE ASKED TO LEAVE THE APU RUNNING TO PERMIT AIRCRAFT GROOMING. APPROXIMATELY ONE HOUR AFTER ARRIVAL, THE APU FIRE DETECTION SYSTEM PERFORMED AN AUTO SHUTDOWN AND APU FIRE BOTTLE WAS DEPLETED. GROUND/AIRCRAFT PERSONNSDR GTIA040005Transmitter · leakingDTW - FLT 1605 - AFTER STARTING APU ON THE GROUND AFTER LANDING THERE IS A VERY STRONG ODOR OF JET FUEL THROUGHOUT THE CABIN APU AIR SWITCH OFF. FOUND EXTERNAL OIL LEAK ON LOW PRESSURE TRANSMITTER LEAKING INTO NON-RAM AIR DOOR. TIGHTENED B-NUTS AND NO LEAKS NSDR ASOA04001Connector · looseFLT 4138 - DURING FLIGHT FROM LIT-ATL, THE CREW NOTICED A STRONG JET FUEL ODOR IN THE COCKPIT WHEN THE ACM WERE SELECTED ON. THE ODOR OCCURRED WITH BLEEDS ON THE AUXILIARY POWER UNIT AND THE ENGINE. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE TIGHTENED ASDR USAASB04003Control Unit · malfunctionedCLT - FLT 684 - FLIGHT DEPARTED CLT WITH THE NR 2 ENGINE CSD ON MEL 24-1 FOR LEAKING OIL. DURING CLIMB, AT FL220, THE APU AUTO SHUT-DOWN DUE TO AN OVERSPEED CONDITION. THE FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. AN EMERGENCY WASSDR QXEA200301418Fuel Control · leakingAPU DRIPPING FUEL CONTINUOUSLY FROM DRAIN WHEN STARTED. REMOVED AND REPLACED APU FUEL CONTROL ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR C2XA03CL179Fuel Nozzle · cokedCLE FLIGHT NR 2827 THE CREW REPORTED A VERY STRONG FUEL SMELL AFTER STARTING APU. MAINTENANCE INSPECTED AND REPLACED THE NR 4 AND NR 6 APU FUEL NOZZLES. OPERATIONAL CHECKS WERE GOOD.SDR MASA200300421Apu · inoperativePILOT REPORTED AN APU AUTO SHUTDOWN FOLLOWED BY A FUEL ODOR IN THE CABIN. MX APPLIED MEL 49-10-01 AND CLEARED THE FUMES FROM THE CABIN.SDR 2003FA0001004Button · crackedINDICATOR BUTTON FAILURE OCCURED ON THREE UNITS AND CRACKS CLEARLY EVIDENT ON TWO OTHERS IN SAME AREA OF BREAKAGE. ONCE BROKEN, A SECTION OF THE BUTTON CAN TRAVEL BEYOND THE SEALED AREA OF THE HOUSING AND HAS THE CAPABILITY OF ALLOWING A FUEL LEAK OF UP TO 1.5SDR QXEA200301181Apu · leakingFUEL LEAKING FROM APU DRAIN. REPAIRED IAW Q400 TASK 49-30-01-400-801.SDR QXEA200301140Fuel Control · malfunctionedAPU IS LEAKING FUEL. REMOVED AND REPLACED FUEL CONTROL ASSEMBLY.SDR SIMA200324402Fadec · malfunctionedMQT - FLT 4331 - DURING APU START THE APU HUNG AT 25 PERCENT GROUND CREW NOTICED FIRE AT APU. MAINTENANCE FOUND THE PROBLEM TO BE THE FADEC. THE FADEC WAS REMOVED AND REPLACED IAW EMB MM ALONG WITH A WIRING HARNESS AND FUEL DRAIN LINE. OPERATIONAL AND LEAK SDR C2XA03BT084Housing · leakingEWR LOG BOOK SQUAWK MASSIVE FUEL LEAK. LOCATED LEAK ON APU FILTER. RED BYPASS BUTTON WAS LEAKING WHEN PUMP PRESSURE APPLIED. REMOVED AND REPLACED APU FILTER HOUSING. OPS AND LEAK CHECK GOOD IAW EMB145 MM 49-31-07.SDR USAABB03123Sensor · malfunctionedBDA - FLT 1442 - EN ROUTE FROM SXM-PHL, THE LEFT IDG FAILED. CREW STARTED APU AND CONTINUED FLIGHT. APPROXIMATELY 200 NAUTICAL MILES FROM BDA, AND APU FAILED. FLIGHT DIVERTED TO BDA AND LANDED WITHOUT FURTHER INCIDENT. MX REPLACED THE IDG. THE APU FUEL FLSDR ASOA03196Elbow · leakingFLT 4481 - DURING CRUISE FROM LEX-ATL AT APPROX 26,000 FEET, WHEN THE CREW INCREASED THE COCKPIT TEMPERATURE TO 43 DEGREES CELSIUS A FUEL SMELL OCCURRED. THE SMELL DIMINISHED BUT REMAINED NOTICEABLE WHEN THE CREW DECREASED THE TEMPERATURE TO 3 DEGREES CELSIUSSDR PJY2003F00000Line · chafedFOUND FUEL LINE(TUBE ASSEMBLY SEE FIG 2 PART 10) ON APU CHAFED 99 PERCENT ALL THE WAY THROUGH THE SIDE WALL (STEEL LINE). AFTER PART WAS REMOVED, IT TOOK VERY LITTLE PRESSURE TO POKE A HOLE IN LINE. FOUND ON APU MAINT. CHECK.SDR 2003FA0000454Solenoid · stuckDURING ENGINE MAINTENANCE, SMOKE WAS NOTED COMING FROM THE APU INLET DOOR. MECHANICS TRIED TO DRY MOTOR THE APU TO EXTINGUISH THE FLAMES, BUT WERE UNSUCCESSFUL. DRY CHEMICAL WAS USED TO EXTINGUISH THE FLAMES. DURING INVESTIGATION AND TEARDOWN OF THE APU AT THESDR RU32003F00003Housing · crackedAPU FUEL FILTER HOUSING ATTACHMENT FLANGES CRACKED. THIS IS THE FIFTH FILTER HOUSING THAT HAS CRACKED SINCE 01/30/99, THREE ON N86 AND TWO ON N87. AFTER INVESTIGATION IT WAS CONCLUDED THAT THE FUEL FILTER HOUSING FAILURES ARE THE RESULT OF FUEL CONTROL UNIT SDR DHL2003727004Fuel Bowl · leakingVERY STRONG ODOR OF JET FUEL IN COCKPIT. FOUND SMALL APU FUEL FILTER LEAKING. TRANSFERRED TO DMI 12706 IAW MEL 49-1 CAT-C. PLACARDS INSTALLED. REF DMI 12706 VERY STRONG ODOR OF FUEL IN COCKPIT. REMOVED AND REPLACED HIGH PRESSURE FUEL BOWL AND TESTED IAW 7SDR AUS20030438Pump · failed(AUS) APU FUEL PUMP FAILED. AFT PUMP HAD THE COVER BLOWN OFF AND FUEL IN THE ELECTRICAL WINDINGS.SDR C2XA03CL089O-Ring · defectiveCLE FLIGHT 2230 CREW REPORTED STRONG FUEL ODOR WITH NR 1 PACK BEING SUPPLIED BY APU BLEED. MAINTENANCE REMOVED AND REPLACED O-RING AND RETAINING RING ON FUEL SOLENOID. OPERATIONAL AND LEAK CHECKS GOOD.SDR SWIA200311869Fuel Control · fireON POSTFLIGHT, NOTICED SMOKE COMING FROM APU VENT. POWERED UP AIRPLANE AND APU FIRE BELL WITH LIGHT CAME ON FOR ABOUT FIVE SECONDS. POWER FUEL SWITCH WAS IN; I PRESSED OUT THE SWITCH. BOTTLE FIRED WHEN A/C WAS ADDED. REMOVED APU, INSPECTED FUEL MANIFOLD. SDR ASOA03137O-Ring · leakingDURING CRUISE A STRONG FUEL ODOR OCCURRED IN THE COCKPIT AND CABIN. THE AIRCRAFT LANDED SAFELY IN JAN. MAINTENANCE REMOVED AND REPLACED THE AUXILIARY POWER UNITS FUEL FEED LINE O-RINGS, ([P/N'S MS29513-218, MS29513-222, MS29513-015). OPERATIONAL AND LEAK CHSDR 2003FA0000327Line · leakingAFTER APU SHUTDOWN PILOT OBSERVED SMOKE COMING FROM TAILCONE JUST PROIR TO ATTEMPTING REFUEL. REFUEL PROCESS ABORTED AND REARBAY ACCESS DOOR OPENED TO INVESTIGATE. CREW MEMBER OBSERVED DENSE WHITE SMOKE COMING FROM REAR BAY. FURTHER INVESTIGATION REVEALED A SPSDR ASOA03118O-Ring · leakingFLT 4772 - DURING CRUISE FROM MOB-DFW, AT APPROXIMATELY 31,000 FT, A STRONG FUEL ODOR OCCURRED IN THE COCKPIT. THE CREW INITIATED DESCENT OT 24,000 FEET AND SELECTED THE LEFT PACK OFF WHICH ELIMINATED THE FUEL ODOR. THE AIRCRAFT LANDED SAFELY IN DFW. MAINTESDR ASOA03110Line · chafedFLT 4463 - DUIRNG FLIGHT FROM MKE-ATL AND ON THE GROND, A FUEL ODOR OCCURRED IN THE COCKPIT AND CABIN AFTER THE ENGINE WAS STARTED WITH THE BLEEDS ON THE AUXILIARY POWER UNIT OR THE ENGINE. MAINTENANCE REMOVED AND EPLACED A CHAFED FUEL LINE ON THE AUXILIARY PSDR ASOA03063Line · looseFLT 4628 - DURING TAKEOFF FROM VLV-ATL, A FUEL ODOR OCCURRED PRIMARILY IN THE COCKPIT WITH A SLIGHT ODOR IN THE GALLEY. THE ODOR DISSIPATED DURING FLIGHT AND REAPPEARED DURING LANDIING ROLL OUT. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE TIGHTENED A LEAKSDR RU3A03003Housing · crackedAPU FUEL FILTER HOUSING ATTACHMENT FLANGES, CRACKED. THIS IS THE 5TH FILTER HOUSING THAT HAS CRACKED SINCE 01/30/99, 3 ON N86, AND 2 ON N87.SDR MWEA030058Fuel Control · failedAPU FALLS OFF LINE IN FLIGHT. REPLACED APU FUEL CONTROL.SDR ABXA030054Solenoid Valve · leakingAIRCRAFT HAD STRONG JET FUEL ODOR IN COCKPIT AND CABIN AREA. FOUND FUEL SOLENOID VALVE ON APU LEAKING. REMOVED AND REPLACED ALL O-RINGS ON VALVE AND REINSTALLED. LEAK CHECKED GOOD IAW DC-9 MM 49-30-03-2-003. REPLACED LT COALESCAR BAG AS PRECAUTIONARY. FOUND BSDR P5CA0300732Fitting · corrodedCORROSION LEVEL 1 FOUND ON LINE SHROUD FITTING DURING REMOVAL OF APU FUEL LINE SHROUD FIBERGLASS CLOSE OUT PANEL. NEW SHROUD LINE FITTING INSTALLED & LEAK CHECK CARRIED OUT PER MM 28-25-04. FOUND SATISFACTORY AND NO LEAKS OBSERVED.SDR LI32003F00001Manifold · brokenFUEL LEAK APU AUTO SHUTDOWN. APU DEFERRED. C/B PULLED. FOUND LEAK AT FUEL HEATER. HEATER NOT LEAKING. MAIN FUEL MANIFOLD CRACKED AT 11:00 O`CLOCK POSITION AT FUEL NOZZLE (INJECTOR) MANIFOLD HAS 14 FUEL TUBES. ONE HAS A BROKEN TUBE BETWEEN THE FLEXIBLE FSDR CA030114002Fuel Control · leaking(CAN) PILOTS REPORTED THAT IN FLIGHT THEY HAD A STRONG FUEL ODOR FROM THE BLEEDS WITH THE APU AIR ON. UPON LANDING, APU ACCESS PANEL WAS OPENED AND STRONG FUEL ODOR AND EVIDENCE OF SPRAY WAS NOTED. MAINTENANCE COMFIRMED MAJOR FUEL LEAKAGE FROM APU COMBUSTOR CSDR AUS20030006Line · leaking(AUS) APU FUEL LINE LOCATED BETWEEN THE FCU AND FUEL SHUTOFF VALVE FITTED BACK TO FRONT AND LEAKING FROM UNIONS. PIPE WAS ALSO FOULING ON THE APU CASING.SDR AWXA200201208Apu · malfunctionedTAILPIPE FIRE, AFTER (APU) SHUT DOWN, A TAILPIPE FIRE WAS NOTICED BY GROUND CREW. MAINTENANCE INSPECTED THE APU AND FOUND NO DAMAGE TO TAILPIPE OR SURROUNDING AREA. PLACED SYSTEM ON MEL, COND. 1.SDR DLM11021422Fuel Control · failedSLIGHT HAZE AND ODOR NOTICED IN MID CABIN AREA DURING CLIMB OUT WITH ALL ENGINE, WING AND TAIL ANTI-ICE ON. BOTH HAZE AND ODOR SUBSIDED WHEN WING AND TAIL ANTI-ICE IS TURNED OFF. FOUND APU OIL LEAK OUT OF PORT NR 2 ON DRAIN MAST. R & R FUELCONTROL ASSY PER SDR AWXA200201162Check Valve · bypassingSNA - APU TAIL PIPE FIRE - APU FIRE REPORTED BY GROUND PERSONNEL, APU FIRE EXTINGUISHER WAS DISCHARGED. MAINTENANCE VISUALLY INSPECTED THE APU COMPARTMENT, TAIL PIPE, AND SURROUNDING AREA, NO DAMAGE WAS NOTED. SYSTEM WAS PLACED ON MEL 26-22-00, COND. 1 (APU FISDR ASOA02613Solenoid Valve · malfunctionedFLT 4431 - DURING DESCENT INTO ATL, A STRONG FUEL ODOR OCCURRED WHEN THE BLEEDS WERE CHANGED FROM THE ENGINE TO THE AUXILIARY POWER UNIT. THE AIRCRAFT LANDED SAFELY IN ATL. MAINTENANCE REMOVED AND REPLACED THE FUEL SOLENOID VALVE. OPERATIONAL CHECKS GOOD. SDR SIMA200232906Solenoid · malfunctionedCMH - FLT 4564 - AFTER TAKEOFF, CREW REPORTED SMELLING FUMES IN COCKPIT AND FLIGHT ATTENDANT REPORTED A HAZE IN THE CABIN LIKE A BURNING PLASTIC SMELL. MAINTENANCE FOUND THE APU HAD DUMPED ITS OIL INTERNALLY INTO THE AIR CONDITIONING SYSTEM. APU WAS PUT ON M
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