JASC 7321
Service difficulty reports · 2,879
Reports filed under 7321 · Fuel Control/Turbine Engines, newest first.
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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 = '7321' 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 = '7321' 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 HNAA9693401Elec Control Uni · failedFLT 7106 - PHF-ROA - AFTER TAKEOFF, THE NR 2 ENGINE HAD A SEVERE REDUCTION IN POWER. THE PILOT FEATHERED THE ENGINE. THE AIRCRAFT RETURNED TO PHF AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND MOISTURE IN THE ELECTRICAL CONTROL UNIT CONNECTORSSDR 96ZZZX492Nozzle · fracturedENGINE ROLL-BACK IN FLIGHT. FUEL CONTROL PUMP NOZZLE IS FRACTURED CAUSING SEVERE CONTAMINATION.SDR 96UAL900007Engine Control · failedNUMBER ONE ENGINE SURGES AT HIGH POWER SETTINGS WITH AUTO THROTTLE ON AND OFF. ALSO, SURGE WAS NOTICEABLE WITH AIRCRAFT IN YAW, BUT NOT NOTICEABLE AT LOWER POWER SETTINGS. REPLACED MAIN ENGINE CONTROL, CHECKS OK.SDR 96ZZZX746Fuel Control · water contamDURING FLIGHT CHECK/HOVER, COMPRESSOR STALLED. REMOVED FROM ENGINE, INSPECTED PX-AIR CIRCUIT ON FUEL CONTROL, FOUND EXCESSIVE AMOUNT OF WATER.SDR AU960071Fcu · faulty(AUS) NO4 ENGINE FUEL CONTROL UNIT SUSPECT FAULTY DUE TO INTERNAL LINKAGE WEARSDR 96ZZZX433Fuel Control · defectivePILOT ABORTED START WHEN TOT WENT PAST 850 DEGREES RAPIDLY DURING START ATTEMPT. TROUBLESHOOTING REVEALED FAULTY FUEL CONTROL. REPLACED FUEL CONTROL IAW ALLISON AND BELL MM. LEAK AND FUNCTIONAL CHECKS GOOD.SDR 9521789948Fuel Control · malfunctionedNR 1 ENGINE POWER LEVER FROZE AT FL 330. FLIGHT DESCENDED TO FL 270 WHERE THE THROTTLE FREED UP. THE FLIGHT DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL CONTROL ASSEMBLY WITH A SERVICEABLE UNIT. RUNUP AND LEAK CHECK WERE SATISSDR VTZA96054Fuel Contl Unit · out of adjustIAD/RDU - FLT 6576 - DURING TAKEOFF AT 0855 HOURS ON 12-29-95, ABORTED TAKEOFF DUE TO LEFT IEC CAP LIGHT ILLUMINATING DURING TAKEOFF. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE FLIGHT IDLE FUEL FLOW. AIRCRAFT WAS RELEASED SDR WTAA950327Fcu · failedSEA - LEFT ENGINE POWER SURGE PLUS AND MINUS 20 TO 30 PERCENT REPORTED AFTER DEPARTURE. CREW SECURED LEFT ENGINE AND RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE FUEL CONTROL UNIT. ENGINE GROUND RUNS NORMAL. AIRCRAFT RETURNED TO SSDR VTZA96056Fuel Contl Unit · out of adjustMDT/IAD - FLT 6196 - DURING TAKEOFF AT 0955 HOURS ON 12-28-95, ABORTED TAKEOFF DUE TO THE RT ENGINE NOT DEVELOPING TARGET TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED MAXIMUM FUEL FLOW. AIRCRAFT WAS RELEASED AND APPROVEDSDR 96ZZZM930Fuel Contl Unit · failedLEFT ENGINE POWER BEGAN CLIMBING UNCOMMANDED DURING CLIMB-OUT AT APPROX 500 FEET AGL. POWER LEVER (FCU) MOVEMENT UNRESPONSIVE. ENGINE SHUTDOWN AND AIRCRAFT RETURNED TO LWT AND LANDED UNEVENTFULLY. INTERNAL FCU FAILURE. IT WAS DETERMINED THAT INTERNAL FCU FSDR 96ZZZX215Elec Eng Cont · failedLGA - UPON CLIMB-OUT, NR 1 ENGINE EXPERIENCED AN UNSCHEDULED FEATHERING OF THE PROPELLER. MAXIMUM ENGINE TORQUE APPROXIMATELY 109 PERCENT FOR 5 SECONDS. CREW SHUT DOWN NR 1 ENGINE AND RETURNED TO THE FIELD. REMOVED AND REPLACED NR 1 TSCU AND NR 1 ECU. CLEASDR 96ZZZX980Fuel Control · defectiveENGINE EXTREMELY SLOW TO DECELERATE FROM 80 PERCENT N1 TO 61 PERCENT N1. (TAKES ABOUT 10 SECONDS.)SDR 96ZZZX523Fuel Control · defectiveOCCASIONAL SMOKE AND FUEL SMELL EMITTING FROM HEATER OUTLET. REPLACED WITH NEW FCU, CORRECTED PROBLEM.SDR 96ZZZX277Fuel Control · required adjustPILOT STARTED AIRCRAFT AND BEGAN TO TAXI FOR TAKEOFF, LEFT ENGINE FLAMES OUT. SHORTLY THEREAFTER, RIGHT ENGINE FLAMED OUT WHILE RETURNING TO RAMP. CHECK MINIMUM FUEL FLOW SETTINGS. FOUND LOW, RESET PER SB 7458R1. OPERATION CHECKED GOOD. SUBMITTER STATED MISDR 96ZZZX224Fuel Control · failedATL - FLT 605 - DURING LANDING TOUCHDOWN LEFT AND RIGHT ENGINES, 2164-L, 2146-R, SPOOLED DOWN. COMPLETED LANDING PROCEDURES. REPLACED LEFT ENGINE FUEL CONTROL, MFG PN 243602-4, AND RIGHT ENGINE FUEL CONTROL, MFG PN 243602-3. ENGINE OPERATION AND PERFORMANCESDR 96ZZZX223Fuel Control · failedATL - FLT 605 - DURING LANDING TOUCHDOWN LEFT AND RIGHT ENGINES, 2164-L, 2146-R, SPOOLED DOWN. COMPLETED LANDING PROCEDURES. REPLACED LEFT ENGINE FUEL CONTROL, MFG PN 243602-4, AND RIGHT ENGINE FUEL CONTROL, MFG PN 243602-3. ENGINE OPERATION AND PERFORMANCESDR VTZA96043Fuel Contl Unit · out of adjustPVD-IAD - FLT NR 6416 - DURING APPROACH, THE RIGHT ENGINE FLAMED OUT, APPROXIMATELY 2 MILES OUT OF IAD, WHEN ENGINE SPEEDS WERE SELECTED TO HIGH. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED FLIGHT IDLE FUEL FLOW. AIRCRAFT WAS RELESDR 96ZZZX500Fuel Control · defectiveFUEL CONTROL FAILED TO MEET FLIGHT MANUAL AND MM NR RPM GUIDE LINES. AT FLAT PITCH AND DURING FLIGHT, RPM WAS TOO HIGH. REPLACED WITH REPAIRED UNIT, CORRECTED PROBLEM.SDR 95UAL900307Eec · malfunctionedJFK - ABORTED TAKEOFF AT 100 KNOTS, DUE TO EEC PROBLEM.SDR 96ZZZM25Eec Connector · dirtyFLT NR 4038 - CREW WAS ALERTED BY ELECTRONIC ENGINE CONTROL FAIL INDICATION LEFT SIDE. ELECTED TO RETURN TO GATE. OUT STATION MAINTENANCE CLEANED THE EEC CANNON PLUG CONNECTORS IAW MM 72-00-00. GROUND RUNS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.SDR SWIA95689Eec · malfunctionedAFTER TAKEOFF, WITH CLIMB POWER SET, RT ENGINE TORQUE CLIMBS TO 109 PERCENT. UNABLE TO CONTROL WITH POWER LEVER. RETURNED TO YUM. SWAPPED EEC FROM SIDE TO SIDE. PROBLEM STAYED WITH RT SIDE. RAN ENGINE AT TAKEOFF POWER FOR 20 MINUTES WITH EEC OFF, NO PROBLSDR 96ZZZX624Fuel Control · out of adjustSCEL/SCEL - NR 3 ENGINE UNABLE TO PRODUCE TAKEOFF POWER. ABORTED TAKEOFF, RETURNED TO RAMP. INCREASE FUEL IN FUEL CONTROL UNIT 3 CLICKS.SDR COMA9560613Fuel Control · defectiveTHERE IS A POWER LEVER WIDTH STAGGER BETWEEN THE LT AND RT POWER LEVERS. REPLACED THE LT ENGINE FUEL CONTROL UNIT.SDR 96ZZZM327Fuel Control · malfunctionedWITH ENGINES AT FLIGHT IDLE, AND IN CLEAR (VFR CONDITION) NR 1 ENGINE N1 PLUS N2 ROLLED BACK TO APPROXIMATELY 30 PERCENT. PRECAUTIONARY SHUT DOWN OF NR 1 ENGINE EMERGENCY CHECK LIST COMPLETED. (M)SDR 96ZZZX1769Diaphragm · tornDURING INSPECTION OF AIR REGULATOR, FOUND HOLE (TEAR) IN DIAPHRAGM OF AUTO FUEL CONTROL.SDR SIMA953212Decu · failedCRS - FLT 3570 - EN ROUTE FROM CRP TO DFW AT FL 120, LEFT ENGINE FAILED WITHOUT ANY INDICATION OF AUTO-RELIGHT. AFTER LEFT ENGINE WAS FEATHERED, THE RIGHT ENGINE DEVELOPED MOMENTARY SURGE RESEMBLING COMPRESSOR STALLS. THE AIRCRAFT HAD BEEN OPERATING IN LIGHTSDR 9518356608Fuel Control · malfunctionedDURING TAKEOFF, THE NR 1 ENGINE SLOW TO RESPOND AS THROTTLE WAS ADVANCED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE FUEL PUMP, FUEL CONTROL, PERFORMED ENGINE RUNUP AND TEST WAS NORMAL.SDR VTZA96027Fuel Control · out of adjustIAD/BDL - FLT 6198 - DURING TAKEOFF AT 0810 HRS ON 11-14-95, ABORTED TAKEOFF DUE TO THE LT ENGINE ONLY MAKING 96 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED SCREW 'X' AND PERFORMED OPS CHECKS. OPS CHECKS GOOD. SDR CA960502062Fuel Control · contaminated(CAN) AIRCRAFT HAD TO OVERNIGHT DUE TO POOR WEATHER CONDITIONS. NEXT MORNING HOT STARTS. BATTERY, FUEL NOZZLE CHANGED, NO EFFECT. FINALLY CHANGED FCU, GOOD STARTS. ORIGINAL FCU BACK FROM REPAIR WAS FOUND TO BE OK. SUSPECT MOISTURE OR OTHER CONTAMINANTS.SDR 9517961159Fuel Control · failedDURING TAXI OUT, THE NR 2 ENGINE EGT WENT TO 1,000 DEGREES FOR 30 SECONDS AND THE ENGINE WAS SHUTDOWN. THE ENGINE WAS INSPECTED AND THE EPR INDICATOR WAS REPLACED. DURING THE SECOND TAXI OUT THE FUEL FLOW PEGGED AND THE EGT AGAIN ROSE. THE FUEL CONTROL AND SDR COMA9511998Fcu · defectiveLEFT ENGINE WILL NOT START. REPLACED THE LEFT ENGINE FUEL CONTROL UNIT.SDR 9518309950Fuel Control · malfunctionedNR 1 ENGINE EXPERIENCED COMPRESSOR STALLS ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE FUEL CONTROL ASSEMBLY, PRBC AND PERFORMED A FULL ENGINE TRIM. SUBSEQUENT RUNUP WAS SATISFACTORY.SDR 96ZZZX272O-Ring · missingAFTER THE ENGINE WAS REINSTALLED IN LEFT SIDE OF AIRCRAFT AND A GROUND RUN WAS COMPLETED, A FUEL LEAK WAS NOTED AT THE FUEL CONTROL FUEL PUMP MATING SURFACE. UPON DISASSEMBLY, FOUND O-RING WAS NOT INSTALLED. INSTALLED NEW O-RING, AND REASSEMBLED. GROUND RUNSDR 9517203234Ecu · malfunctionedDURING DESCENT AT 33,000 FEET, NR 2 ENGINE OVERSPEED OCCURRED. AUTO THROTTLE WAS DISENGAGED, POWER LEVER WAS PULLED BACK, AND ENGINE RPM CONTINUED TO ACCELERATE. ENGINE WAS MANUALLY SHUTDOWN. AIRCRAFT DIVERTED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MASDR 95ZZZX6985Fuel Control · defectiveSLOW/HUNG STARTS AT 1ST PEAK, THEN GOES HOT DURING 1ST START OF DAY ONLY.SDR 95ZZZM723Fcu · failedON APPROACH INTO CLT, THE LEFT ENGINE TORQUE, EGT, AND RPM DROPPED. CREW SHUT DOWN THE ENGINE WITH THE STOP AND FEATHER. AIRCRAFT LANDED WITHOUT INCIDENT. CHANGED LEFT FCU. THIS FCU HAS BEEN ON THIS ENGINE FOR 375.4 HOURS. (M)SDR WWMA9500075Fcu · defectivePILOT REPORTED IN CRUISE, THE RIGHT ENGINE HAD AN INTERMITTENT TORQUE FLUX OF 10 PERCENT AT 60 PERCENT TORQUE WITH A YAW AND CHANGES IN FUEL FLOW. ALL OTHER INDICATIONS WERE NORMAL. WHILE DESCENDING INTO LAX, TORQUE WAS BROUGHT BACK TO 20 PERCENT. THE RIGHTSDR RAIA951038Fuel Control · out of adjustSTL - FLT 7472 - RIGHT ENGINE DID NOT MAKE TARGET TORQUE. MAINTENANCE ADJUSTED MAX FUEL FLOW, GROUND RUNS CHECK GOOD. (M)SDR WTAA950290Eec · failedFAT - RIGHT ENGINE ELECTRONIC ENGINE CONTROLS (EEC) FAILED ON TAKEOFF ROLL. AIRCRAFT ABORTED TAKEOFF WITHOUT INCIDENT. MAINTENANCE DEFERRED THE RIGHT ENGINE EEC SYSTEM PER MEL 73-21-1. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRALSDR 96ZZZM17Fuel Control · leakingRIGHT ENGINE TORQUE BEGAN FLUCTUATING 900 LBS. NR 2 ENGINE FUEL CONTROL HAS A LEAK IN THE P3 BELLOWPHRAM. REMOVED AND REPLACED P3 BELLOWPHRAM. GROUND POWER RUN OPS CHECKED NORMAL.SDR USAAD955004Fuel Control · failedIND - FLT NR 987 - AT CRUISE, NR 2 ENGINE ADVANCED TO FULL THROTTLE AND WOULD NOT RESPOND TO CONTROLS. THE CAPTAIN SHUT DOWN NR 2 ENGINE DIVERTED TO IND. THE FLT LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED RIGHT FUEL CONTROL. RAN ENGINE. OPS CHECSDR 95UAL900205Fuel Control · failedIAD - ON DESCENT, THE NR 2 ENG FAILED. PER CREW, ACCOMPLISHED ENG SHUTDOWN PROCEDURE AND NO ABNORMAL INDICATIONS OCCURRED. NR 2 ENG DID NOT RESPOND TO THROTTLE, SHUTDOWN NR 2 ENG PER FLAME-OUT PROCEDURES. DISASSEMBLEY OF THE MAIN FUEL CONTROL REVEALED THE DSDR 9515949912Fuel Control · malfunctionedNR 2 ENGINE INSTRUMENTS BEGAN TO FLUCTUATE AFTER DEPARTING MSP. THE FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. THE FCU ASSEMBLY WAS REPLACED AND SUBSEQUENT OPERATIONAL TEST WAS SATISFACTORY.SDR DL76L953988Eec · malfunctionedRT ENGINE COMPUTED THRUST LIMIT INDICATOR IN EPR GAUGE INDICATES APPROXIMATELY .10 LOW IN CRUISE, LT ENGINE 1.69 RT ENGINE 1.57. REPLACED RT ENG EEC, R/U OK AT HIGH POWER. R/U REP TEST 15 PFHB.SDR 95ZZZM664Fuel Control · failedON TAKEOFF AT 300 FT AGL, THE NR 1 ENGINE SHUT DOWN. FUEL FLOW WENT TO ZERO. ACCOMPLISHED APPROPRIATE CHECK LISTS AND LANDED WITHOUT INCIDENT. REPLACED FUEL CONTROL UNIT PER MM 73-21-1. REPLACED ENGINE DRIVEN FUEL PUMP PER 73-11-1 AS PRECAUTION. TRIMMED ESDR EISA95290Fuel Control · failedNR 3 ENGINE QUIT AT 800 FEET AFTER TAKEOFF, NO WARNING, SHUTTERED AND QUIT. REMOVED AND REPLACED NR 3 ENGINE FUEL CONTROL IAW 73-21-1. OPS AND LEAK CHECK GOOD IAW 72-00. TRIMMED NR 3 ENGINE IAW 71-00-97. (M)SDR 95ZZZX6229Fuel Control · broken adapterPIA - FLT 370 - NR 1 ENGINE FLAMED OUT AT GATE AT GROUND IDLE. INSPECTED NR 1 ENGINE, FOUND T2 AND P2 MOUNTING ADAPTERS BROKEN ON FCU. REMOVED AND REPLACED NR 1 ENGINE FCU. OPS CHECK AND LEAK CHECKS OK IAW MM.SDR 95ZZZM640Eec · malfunctionedBGR - DURING CRUISE SHUT DOWN RIGHT ENGINE, S/N 4704, DUE TO SURGING WITH ACCOMPANYING VIBRATION. FOUND ENGINE ELECTRONIC CONTROL COMPUTER, MFG P/N 791100-4-087, AND FUEL METERING UNIT, MFG P/N 801000-3, MALFUNCTIONING. REPLACED ENGINE ELECTRONIC CONTROL COMSDR 95ZZZX6465Fuel Control · shaft brokenAIRCRAFT WAS CRUISING AT 20,000 FEET AND PILOT NOTICED ITT, NG, AND FUEL FLOW RISE DRAMATICALLY. TRIED TO PULL POWER BACK, BUT HAD NO CONTROL OVER ENGINE WITH POWER LEVER. ENGINE WAS SHUT DOWN IN-FLIGHT. FOUND FCU TO FUEL PUMP INTERCONNECT SHAFT BROKEN. F
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