JASC 7320
Service difficulty reports · 4,393
Reports filed under 7320 · Fuel Controlling System, 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 = '7320' 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 = '7320' 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 REXA97020Tq Temp Limiter · bypasses fuelLEFT ENGINE MADE LOUD POP AND SPOOLED DOWN DURING FLIGHT. REPLACED LEFT ENGINES TORQUE TEMP LIMITER ASSEMBLY. (M)SDR TC8A97011Engine · out of trimKMIA, FLT 03603. ABORTED TAKEOFF NR 3 ENGINE. WILL NOT REACH MAX POWER OF 1.87. PERFORMED ENGINE TRIM RUN ON ALL FOUR ENGINES, TRIMMED ALL FOUR ENGINES, OPS CHECKED GOOD IN ALL THROTTLE SETTINGS I/A/W TCA DC-8 MIP, CHAPTER 2, PAGES 96-104.SDR TC8A97010Engine · out of trimKMIA, FLT 03603. ABORTED TAKEOFF. NR 2 ENGINE WILL NOT REACH MAX POWER OF 1.87. PERFORMED ENGINE TRIM RUN ON ALL FOUR ENGINES, TRIMMED ALL FOUR ENGINES, OPS CHECKED GOOD IN ALL THROTTLE SETTINGS I/A/W TCA DC-8 MIP, CHAPTER 2, PAGES 96-104.SDR VTZA97130Bypass Valve · failureFLT 6283 - IAD-HPN - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD NOT MAKE TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TTL VALVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)SDR RAIA970205Hmu · malfunctionedSTL - FLT 7170 - RIGHT ENGINE TORQUE FLUCTUATED, NH FLUCTUATED, AND EGT STARTED TO RISE. MAINTENANCE REPLACED THE RIGHT HYDRO-MECHANICAL UNIT. (M)SDR 97UAL900108Connector · looseENGINE FUEL VALVE RIGHT EICAS MESSAGE. PULLED FIRE SHUTOFF HANDLE TO STOP FUEL FLOW AND SHUT DOWN ENGINE. SUPPLEMENTAL DATA UPDATE FOUND MAINTENANCE MESSAGE 73-60212. TROUBLESHOT PER FIM 73-22 TASK 801. FOUND CONNECTOR DM76001C ON FUEL METERING UNIT LOOSE.SDR 9702121232Press Tubing · obstructedDURING CLIMB AT 1000 FEET, NR 1 ENGINE ROLLED BACK TO FLIGHT IDLE. AIRCRAFT RETURNED TO DEPARTURE AIRPORT AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE INSPECTION OF ENGINE FOUND THE COMPRESSOR DISCHARGE TUBING TO BE OBSTRUCTED. CLEARED OBSTRUCTION AND PSDR RAIA970201Bypass Valve · failedPSP - FLT 4779 - LEFT FUEL LOW PRESSURE CAPTION ILLUMINATED. MAINTENANCE REPLACED THE BYPASS VALVE. (M)SDR ORJA9715Moisture Trap · contaminatedNR 1 ENGINE HUNG AT 42 PERCENT, RETURNED TO GATE. CLEANED THE FUEL CONTROL MOISTURE TRAP. STARTED NR 1 ENGINE, OPS NORMAL ALL LINES. STARTER AND START VALVE INSPECTED, NO DISCREPANCIES NOTED. (M)SDR 97UAL900088P/D Valve · malfunctionedCREW REPORTED A BANG TYPE NOISE HEARD WHEN POWER WAS APPLIED FOR TAKEOFF. REPLACED THE PRESSURIZING AND DUMP VALVE. OPS CHECK GOOD. SHOP TEST SHOWED NO INTERNAL FAILURE TO THE P AND D VALVE.SDR MALA975302Hmu · failedFLT 3327 - AFTER TAKEOFF WHEN SELECTING ECU FROM TOP TO NORM, THE LEFT ENGINE SURGED ABOUT 1.5 PERCENT TQ TO 20 PPH FUEL. RETURNED TO MSP. REMOVED AND REPLACED HMU. OPS CHECK GOOD. (M)SDR ZIAA97010Linkage · looseHUF - DURING TAXI OUT, NR 1 POWER LEVER 1 INCH TO 1.5 INCH OF FREE TRAVEL. RETURNED TO THE RAMP. RETORQUED LINKAGE AT THE FUEL CONTROL. GROUND TEST NORMAL. (M)SDR VTZA97111Fuel Flow · out of adjustFLT 6430 - JFK-IAD - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 95 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED LEFT MAX FUEL FLOW AND ADJUSTED EGT COMPENSATOR RESISTOR. OPS CHECK OK. AIRCRASDR CA970206003Regulator · faulty(CAN) ON TAKEOFF ROLL THE #2 ENGINE DID NOT PRODUCE TAKEOFF RATED THRUST. THE TAKEOFF WAS REJECTED. MAINTENANCE FOUND THE PROBLEM TO BE AN AIR LEAK. CORR UJOINT AND 3 GASKETS WERE REPLACED ON THE #2 ENGINE FUEL FLOW REGULATOR AT THE P3 CONNECTION. ENGINE WAS GSDR PNSA970103Fuel Control · malfunctionedWHEN POWER WAS APPLIED TO TAXI, ENGINE WOULD START TO ACCELERATE AND THEN RETURN TO IDLE.SDR HEEA978889Hmu · malfunctionHYDRO-MECHANICAL UNIT REMOVED FROM AIRCRAFT DUE TO AFTER APPROXIMATELY FIVE MINUTES OF GROUND RUN WITH APPLICATION OF TORQUE TO 35%, ECU REAL TIME DATA INDICATED A PLA HARD FAULT.SDR 97ZZZX1048Sensor · failedENGINE FLAME-OUT ON SHORT FINAL. REPLACED FUEL PUMP WITH OVERHAULED UNIT, FUEL CONTROL WITH SERVICEABLE UNITS, P2T2 SENSOR WITH NEW. GROUND RUN, FLAME OUT CHECK, PERFORMANCE RUN, AND LEAK CHECK CARRIED OUT SATISFACTORILY.SDR TC8A97006Engine · out of trimNR 1 AND 4 ENGINES NOT PRODUCING TAKEOFF POWER. POWER LEVERS AGAINST STOP, NR 1 EPR 1.64, NR 4 EPR 1.60. TRIMMED NR 1 AND NR 4 ENGINES. NR 1 AND NR 4 OPS NORMAL ON RUN-UP, M/M JT3D-7.SDR DLL17970059Flow Reg · failedDURING CRUISE, NR 1 ENGINE ROLLED BACK, GOT 1,000 PPH FUEL FLOW. DESCENDED TO 26,000 AND ATTEMPTED RESTART. FUEL FLOW STILL AT 1,000 PPH AT 36 PERCENT. ON ARRIVAL, FOUND EVIDENCE OF TAIL PIPE FIRE. BORESCOPED NR 1 ENG, REPLACED HP SOV, AND NR 1 FFR. PERFSDR 97ZZZM191Tube Assy · crackedFLT - 402 - TPA-MIA - RIGHT ENGINE WENT TO ZERO TORQUE IN FLIGHT. EMERGENCY DECLARED AND AIRCRAFT RETURNED TO TPA. DETERMINED PY AIR LINE TO BE CRACKED. REPLACED PY AIR LINE. REPLACED ISOLATOR MOUNTS AND CHECKED PROPELLER DYNAMIC BALANCING. AIRCRAFT RELEASDR JZBR14001Hmu · malfunctionINSTALLED HMU ON ENG FOR TEST AFTER C/W CFE 7388001. PERFORMED 2 NORMAL STARTS SATISFACTORILY. THE 3RD START ATTEMPT AND SUBSEQUENT ATTEMPTS FAILED. RE-INSTALLED ORIG HMU AND STARTS WERE NORMAL.SDR VTZA97084Fuel Control · out of adjustFLT 6193 - IAD-JFK - ABORTED TAKEOFF DUE TO LEFT ENGINE ONLY MADE 94 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED 'X' SCREW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)SDR 97ZZZX1281Rear Support · crackedCOMPRESSOR WAS REMOVED FOR LOW POWER AND UPON PRELIMINARY INSPECTION, FOUND CRACKING OF REAR SUPPORT. AT APPROXIMATELY 1-5 INCHES OUT FROM BEARING BORE, FOUND CRACKING FROM 220 DEGREES - 260 DEGREES AROUND ON REAR SUPPORT.SDR RAIA970106Screw · req adjustCGI - FLT 7393 - NR 2 ENGINE ONLY PRODUCE 50 PERCENT TORQUE. ADJUSTED TAKEOFF RPM. (M)SDR 97ZZZM177P2t2 Sensor · frozenLT EGT SLOWLEY INCREASED 70 DEG UNTIL THE CAPT TURNED ON THE ENG INLET HEAT, DUCT AND PROP HEAT. THE EGT DROPPED TO NORM. WHEN THE EGT STARTED TO RISE AGAIN AND THE PWR LVR HAD NO EFFECT ON THE DROPPING TQ, CAPT ELECTED TO SHUTDOWN THE ENG AS A PRECAUTIONARYSDR RAIA970101Bypass Valve · stickingSFO - FLT 4758 - LEFT ENGINE DID NOT MAKE TARGET TORQUE. REPLACED FUEL BYPASS VALVE. (M)SDR CA970121005Fuelflow Reg · faulty(CAN) ON TAKEOFF ROLL THE #1 ENGINE WOULD NOT SPOOL UP TO FULL POWER. AIRCRAFT RETURNED TO GATE. MAINTENANCE FOUND THE FUEL FLOW REGULATOR TO BE FAULTY. THE FUEL FLOW REGULATOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.SDR VTZA96469Bypass Valve · failedFLT 6296 - IAD-ROC - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 90 PERCENT TORQUE. THE AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEM. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT TTL BYPASS VALVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RSDR HAIW6HR0062Solenoid · defectivePART IS DEFECTIVE. UPON OPENING PACKAGE DURING "RECEIVING INSPECTION" FOUND LEVER ASSY. 'RETURN SPRING' OUT OF PLACE & UNWOUND. HOLDING UNIT FOR DISPOSITION.SDR 9627169989Fuel Control · out of trimAS TAKEOFF POWER WAS APPLIED THE NUMBER ONE ENGINE EPR INDICATION WOULD NOT REACH TARGET EPR SETTING. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE TRIMMED THE NUMBER ONE ENGINE FUEL CONTROL AND DRAINED THE MOISTURE TRAP, OPERATIONAL CHECK WAS OK.SDR USAASB96264Pmc Harness · malfunctionedCLT - FLT 276 - CLIMBING THROUGH 12,000 FEET, THE NR 1 ENGINE SURGED, PLUS OR MINUS 7 TO 8 PERCENT N1. CAPTAIN PULLED BACK NR 1 ENGINE TO IDLE, DECLARED AND EMERGENCY AND RETURNED TO FIELD AT CLT. ALL INDICATIONS FOLLOWED N1 AND THE ENGINE SURGED WITH AND WISDR HAIW6HR0061Solenoid · circuit-shortedPART IS CIRCUIT-SHORTED. PART FAILED - PART GOT EXTREMELY HOT. REPLACED WITH NEW PART - WORKS O.K..SDR 9626719869Pt 2 Line · looseDURING CLIMB, THE RIGHT ENGINE EPR INDICATION WAS ABNORMAL. A/C RETURNED TO ATL AND LANDED WITHOUT INCIDENT. MAINTENANCE TIGHTENED THE RIGHT ENGINE PT-2 FLEX LINE. OPERATIONAL CHECK WAS OK.SDR 97ZZZX375Eec · failedDURING INITIAL CLIMB, AT 15,500 FEET, THE LT ENGINE AMBER COMPUTER LIGHT ILLUMINATED. FIFTEEN SECONDS LATER THE LT ENGINE FLAMED OUT. TWO RESTART ATTEMPTS WERE UNSUCCESSFUL. INVESTIGATION REVEALED A BLEED AIR CLAMP HAD COME OFF ALLOWING BLEED AIR TO FLOW INSDR HEEA968731Hmu · seal leakHMU INPUT SHAFT SEAL LEAKING.SDR USAAF96126Fuel Flow · failedFLT 284 - BWI-IND - WHILE EN ROUTE OVER PIT, CAPT REPORTED LT ENG DID NOT RESPOND. UPON DESCENT NR 1 EPR WOULD NT GO TO IDLE, 85 PERCENT N2. TRIED TO ADVANCE THROTTLES SEVERAL TIMES. FLIGHT DIVERTED TO PIT AND AN EMERGENCY WAS DECLARED. ENGINE WAS DOWN TO SDR PCAA9600333Connector · failedNR 1 ENGINE FAILED WHEN ECU SELECTED TO MANUAL. FOUND LEFT ECU WING ROOT CANNON PLUG 9811-P13 WET, BACK SHEEL FULL OF WATER AND DE-ICE FLUID. CLEANED, DRIED AND RECONNECTED CONNECTOR. UPON ENGINE RUN, CIRCUIT BREAKER L6 POPPED AND WOULD NOT RESET. REMOVED SDR HEEA968685Linear Actuator · faultyINSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND ACTUATOR RETRACTED VERY SLOW AND INTERMITTENTLY. FOUND VENDOR REPAIRED MOTOR WAS DEFECTIVE.SDR 9626096729Ps4 Line · rupturedDURING CRUISE, THE NR 2 ENGINE FAILED TO OBTAIN NORMAL POWER. AIRCRAFT RETURNED TO ANC AND LANDED WITHOUT INCIDENT. REPLACED PS4 LINE BETWEEN ENGINE CASE AND COMPRESSOR BLEED CONTROL, OPERATIONAL CHECK OK.SDR SIMA963311Switching Vlv · failedDFW - FLT 3864 - FLIGHT ATTENDANT REPORTED SMELLING SMOKE, LIKE BURNING RUBBER, AFTER LANDING. TURNED OFF PACKS AND THAT SEEMED TO CURE PROBLEM. RAI'D P2.5/P3 SWITCHING VALVE IAW JIC 72-30-00. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR P5CA9600972Pt2 Sensor · contaminatedNR 4 ENGINE HAD NO THRUST LEVER RESPONSE WHEN AIRCRAFT READY FOR TAKEOFF. CHECKED ENGINE CONTROL LINKAGE, ALL CHECKED GOOD. CHECKED PS4 LINE CHECKS GOOD. CHECKED PT2 SENSOR AND LINE CHECKED GOOD. APPLIED HEAT PER MAINTENANCE MANUAL 71-00-00 PAGE 262, RAN ESDR SIMA963281Valve · failedDFW - FLT 3655 - PILOT SQUAWKED ELECTRICAL SMOKE INDICATION AFTER ENGINE START. MX REMOVED AND REPLACED P2.5 SWITCHING VALVE. GROUND RUN CHECKS WERE SATISFACTORY. AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR VTZA97064Iec · malfunctionedFLT 6198 - IAD-BDL - ABORTED TAKEOFF DUE TO RIGHT IEC FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE CLEARED IEC FAULT CODE 64. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR RAIA961107Apr Compensator · erraticSTL - FLT 7466 - LEFT EGT FLUCTUATED WITH SRL ON, NORMAL WITH WITH SRL OFF. MAINTENANCE REPLACED THE LEFT AUTO. POWER RESERVE COMPENSATOR. (M)SDR RAIA961104X-Screw · out of adjustBMI - FLT 7325 - LEFT ENGINE RPM 98.8 PERCENT. ADJUSTED SCREW X (PROP GOV HIGH). (M)SDR DLL10962431Fuel Flow Reg · malfunctionedENG NR 2 FLAMED OUT SHORTLY AFTER TAXIING CLEAR OF RUNWAY AFTER LANDING, WAS VERY HARD TO START. REPLACED FFR ON NR 2 ENG, ENG STARTS NORMALLY. PERFORMED CKS PER PFHB, ALL CKS OK. T/O PWR REACHED WITH PLENTY OF ROOM, NO LEAKS.SDR RAIA961028Filter · dirtyPAH - FLT 7365 - ON APPROACH NR 2 ENGINE STARTED SURGING. ENGINE WAS SHUT DOWN. REPLACED ENGINE FUEL CONTROL FILTER. (M)SDR 96ZZZX5588Filter Element · crackedFILTER ELEMENT CRACKED WHERE END CAP IS ATTACHED TO ELEMENT. SOME PIN HOLES AND CORROSION AROUND FILTER TO END CAP BOND. ELEMENT MAY HAVE BEEN FROM ENGINE OPERATED IN SALT LADEN ATMOSPHERE AND INSTALLED WHEN ENGINE WAS TORN DOWN FOR INSPECTION BY OUTSIDE VENSDR RAIA961027P3 Line · crackedJLN - FLT 7074 - DURING TAKEOFF RIGHT ENGINE ONLY PRODUCED 90 PERCENT TORQUE. MAINTENANCE REPLACED THE RIGHT ENGINE P3 BLEED LINE. (M)SDR RAIA961024Bypass Valve · stickingSTL - FLT 7050 - LEFT ENGINE ON TAKEOFF ROLL DROPPED TO 80 PERCENT TORQUE. MAINTENANCE REPLACED THE LEFT ENGINE BYPASS VALVE. (M)
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