JASC 7321
Service difficulty reports · 2,878
Reports filed under 7321 · Fuel Control/Turbine Engines, 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 = '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 072006N332CS1Fuel Control · malfunctionedWHILE PERFORMING ENGINE ACCELERATION TEST , ENGINE FAILED TO RESPOND TO THROTTLE MOVEMENT AND HUNG AT 56.4 PERCENT N1.CREW DECLARED AN EMERGENCY AND DIVERTED BACK TO TOL. AIRCRAFT LANDED UNEVENTFULLY. FUEL CONTROL WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.SDR TIMR200600002Fcu · malfunctionedPILOT NOTICED THAT THE LT TORQUE INDICATION SLOWLY AND CONTINUALLY DECREASED. WHEN POWER ADJUSTMENTS PRODUCED NO EFFECT AND ADVERSE YAW CONFIRMED POWER LOSS THE PILOT FEATHERED THE PROP AND SHUTDOWN THE ENGINE. SUBSEQUENT INVESTIGATION DETERMINED THAT THE FCSDR CA060731008Fuel Control · unserviceable(CAN) THE ENGINE WAS REPORTED TO FLAME OUT ON APPROACH. THE FUEL CONTROL UNIT WAS SUBSEQUENTLY REPLACED. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20060731008)SDR 70506N304CS1Fuel Control · failedRT ENGINE EXPERIENCED UNCOMMANDED SHUTDOWN WHILE TURNING BASE, AFTER A STEEP IDLE DESCENT WITH ENGINE ANTI-ICE ON. AC WAS STABILIZED AND IN GOOD POSITION TO LAND SO CREW CONTINUED APPROACH, DECLARED AN EMERGENCY AND LANDED AC WITHOUT INCIDENT. FIELD SERVICE SDR CA060704011Fuel Control · failed(CAN) AFTER SETTING A TURN OF LOGS DOWN ON LOG LANDING WITH A LT CROSS WIND, ACFT TURNED FULLY INTO WIND & BEGAN A CLIMB BACK UP HILL TO LOGGING UNIT WITH APPROXIMATELY 60% TORQUE INDICATED. AFTER ABOUT 7-10 SECONDS INTO CLIMB, N1 UNDERSPEED WARNING HORN SOUNSDR MALA060434Ecu · malfunctionedRT ENGINE TORQUE, ITT, NG AND NP WERE FLUCTUATING WHILE CLIMBING OUT OF MSP. PERFORMED ERRATIC ENG OPERATION QRH NAD LOCKED OUT TORQUE MOTOR. SLIGHT FLUCTUATIONS CONTINUED BUT REMAINED WITHIN ENGINE OPERATING PARAMETERS. REPLACED DECU RT SIDE. PN ON 6071T2SDR CA060704014Fuel Control · malfunctioned(CAN) DURING DESCENT, THE ENGINE WOULD NOT RESPOND TO THROTTLE INPUTS FOR POWER REDUCTION. THE ENGINE WAS SHUT DOWN ON FINAL APPROACH. THE FUEL CONTROL UNIT WAS SUBSEQUENTLY REPLACED. (TC# 20060704014)SDR 0601296301Fuel Control · malfunctionedDURING CRUISE THE NR 3 ENGINE EXPERIENCED A FLAME-OUT AND COULD NOT BE RESTARTED. THE FLIGHT CONTINUED TO KIX AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 3 ENGINE FMU AND FUEL PUMP. AN ENGINE RUN WAS PERFORMED WITH NORMAL INDICATIONS. SDR KC82006F00004Computer · inoperativeRT ENGINE, AT TAKEOFF POWER SETTING, WOULD NOT RESPOND TO A REDUCED POWER SETTING DURING TAKEOFF ROLLOUT. PILOT ABORTED TAKEOFF AND TAXIED BACK TO THE FBO. AFTER ENGINE SHUTDOWN AT THE FBO, THE LT MAIN OB AND BOTH RT MAIN TIRES WENT FLAT DUE TO OVER TEMPERATSDR YTRR110065Fuel Control · malfunctionedENGINE SURGES DURING ACCELLERATION. REPLACED FUEL CONTROLSDR CA060704005Fuel Control · malfunctioned(CAN) THE ENGINE WAS REPORTED TO EXHIBIT TORQUE FLUCTUATIONS IN CLIMB AND WAS SHUT DOWN IN FLIGHT. THE FUEL CONTROL UNIT WAS SUBSEQUENTLY REMOVED FOR INVESTIGATION. P&WC WILL MONITOR INVESTIGATION OF THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (SDR 2006FA0000567Bearing · failedTHE BEARING IN FUEL CONTROL UNIT FAILED CAUSING THE LT ENGINE TO SURGE AND EXCEED THE N1, ITT AND TORQUE LIMITS. THE ITT EXCEEDED 1000 C AND THE TORQUE EXCEEDED 1500 FT POUNDS FOR 5-10 SECONDS. SHORTLY AFTER TAKEOFF, PILOTS REPORTED PLANE HAD YAWED TO THE RTSDR DXTA200601400Fcu · misriggedWHEN PERFORMING THE SPEED BRAKE TEST DURING THE (AFTER START) CHECKLIST, THE RT ENGINE SHUTS DOWN WHEN THE THROTTLE IS BROUGHT TO IDLE. ATTEMPTED THE TEST AGAIN AND ENGINE SHUTDOWN (RT) AGAIN. PERFORMED FCU RIGGING INSPECTION IAW MM 73-20-01 AND MM 76-11-00. SDR ZJ62006F00000Fcu · malfunctionedTHE FLIGHT CREW ATTEMPTED TO MAKE TAKEOFF TORQUE OF 95 PERCENT. AIRCRAFT HELD 85 PERCENT SLOWLY RISING TO 90 PERCENT. THE FLIGHT CREW STARTED ROLL AND THE LT ENGINE TORQUE ROLLED BACK TO 80 PERCENT. TTL WAS ON AND SRL WAS ON. FLIGHT CREW ABORTED TAKEOFF. SDR DXTA200601398Fcu · out of adjustLT ENGINE WOULD NOT MAKE TAKEOFF POWER SHORTLY AFTER LIFTOFF. DURING SPEED BRAKE CHECK, ENGINE SHUT DOWN WHEN THROTTLE PULLED BACK TO IDLE. PERFORMED ENGINE BLEED AIR LEAK CHECK, NO LEAKS NOTED. ADJUSTED FUEL CONTROL/ FLOW DIVIDER INTERCONNECT ROD IAW THE MM SDR CA060515006Fcu · inoperative(CAN) UPON RIGGING OF FCU, LOW IDLE STOPS ON THE THROTTLE QUADRANT WERE ADJUSTED TO ACHIEVE DESIRED 20 DEGREES ON THE FCU. THIS ADJUSTMENT WOULD NOT PHYSICALLY ALLOW THE QUADRANT TO DEPLOY THE THRUST REVERSERS. ENGINES WERE GROUND RUN AND FOUND TO BE SERVICESDR AWXA200600809Eec · malfunctionedPHX - FLT 551 - CREW REPORTED, "ABOVE 10000 MSL IN CLIMB-OUT, GMT 227, ENGINE 2 STALL". ALSO REPORTED ENG 2 FADEC AND ENG 2 SENSOR FAULT. CREW RETURNED TO PHX AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE INSPECTED THE NR 2 ENGINE FOR EVIDENCE OF FOD, NONE SDR AALA20060297Fuel Control · inoperativeJFK - DURING IDLE POWER DESCENT RIGHT HAND ENGINE BECAME INRESPONSIVE. AT LEVEL OFF ADVANCED THROTTLE AND ENGINE N1 REMAINED AT 20 PERCENT. RIGHT ENGINE GAS TEMPERATURE 200 DEGREES AND LOW FUEL FLOW. ACCOMPLISHED QRH ENGINE FAILURE INFLIGHT SHUT DOWN CHECKLSDR CA060508006Relay · separatedDURING THE ACCOMPLISHEMENT OF THE TASK 7320/02 (OPERATIONAL CHECK OF DUPLICATED ECU POWER SUPPLIES AND INTEGRITY OF DIODES), THE 7611-K4 (ENG NR 2 ECU) RELAY BASE WAS FOUND UNGLUED. THIS SITUATION REMOVED ALL THE POWER FOR THE ECU AND LIVE THE ENGINE IN MANUESDR CA060508003Relay · damagedDURING A "C" CHECK INSPECTION, DURING THE OPERATIONAL CHECK OF "DUPLICATED ECU POWER SUPPLIES AND INTEGRITY OF DIODES CHECK" (TASK 73-20-02), THE BASE OF THE RELAY 7611-K3 (ENG NR 1 ECU) WAS FOUND UNGLUED. WITH THIS RELAY DISCONNECTED, THE ECU OF THIS ENGINE SDR CA060704001Fuel Control · malfunctioned(CAN) DURING FORMATION FLIGHT THE PILOT REDUCED POWER. WHEN POWER WAS RE-APPLIED THE ENGINE WOULD NOT RESPOND INITIALLY TO THROTTLE INPUT. POWER INCREASED AFTER 7 TO 8 SECONDS. THE FUEL CONTROL UNIT WAS SUBSEQUENTLY REPLACED. PWC WILL INVESTIGATE THE INCIDSDR CA060510003Fcu · failedON SECOND START OF THE DAY, A FLAME WAS SEEN COMING OUT OF EXHAUST AND A RAPID INCREASE IN TURBINE OUTLET TEMPERATURE. AFTER SEVERAL MINUTES, A SECOND ATTEMPT WAS GIVEN WITH SIMILAR RESULTS.SDR ANCF200600017Fuel Control · out of trimDURING T/O, A DIFFERENCE BETWEEN LT AND RT OF EPR 0.5 PERCENT. DURING FLIGHT AT FL 320 MACH 076 LT EPR 1.98 AND RT EPR 1.82. THEN USING ENG ANTI ICE AUTO THROTTLE DISCONNECT AND LT EPR 1.28 & RT EPR 1.72. WITH THIS PROBLEM IS UNABLE TO FLY IN IT CONDITIONS ISDR CA060531007Spline · worn(CAN) ENGINE TORQUE WAS REPORTED TO FLUCTUATE IN CRUISE BY AS MUCH AS 50 PERCENT AND THE ENGINE WAS SHUTDOWN IN FLIGHT. SUSEQUENT INVESTIGATION REVEALED WORN MECHANICAL FUEL CONTROL DRIVE SPLINES. (TC NR 20060531007)SDR HEEA109087Metering Valve · out of adjustIN FLIGHT FROM EI314 TO LAFAYETTE MINOR FCU RSOLV FAULT DISPLAYED. COMPLETED FLIGHT AND MAINTENANCE REPLACED THE NR 1 ENGINE ADJUSTED METERING VALVE - FUEL CONTROL UNIT.SDR WRNA200600011Fuel Control · malfunctionedAFTER TAKEOFF NR 4 ENGINE EGT STARTED FLUCTUATING AND STARTED TO CLIMB PAST 900 DEGREES, REDUCED POWER TO 1.29 EPR. AFTER POWER REDUCTION TEMPERATURE WAS STILL 850 DEGREES, EPR WAS LOWER (1.25) THAN OTHER J ENGINES. ACFT RETURNED TO MIA AND MADE A SAFE LANDISDR 04202006BControl Unit · malfunctionedNR 1 TORQUE GAUGE READS ZERO. REMOVED AND REPLACED NR 1 ENGINE DEC PN ON/OFF 6071T20P16, SN ON ECDT1503, SN OFF ECDT1921 IAW 74-00-00. OPS CHECK GOOD.SDR QXEA200601012Fuel Control · surgesPSC FLIGHT NR 2101, NR 1 ENGINE TORQUE SURGE. ENGINE SHUT DOWN AT 5000 FEET ON DOWNWIND. MAINTENANCE REPLACED NR 1 ENGINE FUEL PUMP AND FUEL CONTROL.FUEL PUMP P/N 3117094-02 S/N 2691 TSN 15291 CSN 15291. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICESDR AMTA200600281Hmu · fluctuatesAFTER 10 MINUTES OF NORMAL GROUND OPS NR 1 ENG WOULD NOT ACCELERATE WITH THROTTLE MOVEMENT AND FLAME OUT. REMOVED AND REPLACED HMU IAW AMM. LEAK CHECK NORMAL. OPS CHECK NORMAL.SDR DXTA200601349Fuel Control · malfunctionedRT ENGINE EFC CAME OFF LINE WHEN POWER WAS SET, SLOW SPEED ABOUT. THEY CLEARED RUNWAY AND RESET EFC. DISPATCH GAVE VERBAL RELEASE AND ENGINE POWER WAS MADE FOR TAKEOFF.SDR AMTA200600277Hmu · unserviceableENGINE NR 2 FLAMEOUT ON TAXI, ENGINE RE-START NOT OK. REMOVED AND REPLACED HMU IAW MM AND PERFORMED TEST 2, 3A, 12 AND 13 OF MM. OPS CHECK GOOD. (K)SDR CA060413005Fuel Control · brokenONE OF THE FUEL CONTROL BYPASS COVER SCREWS BROKE CAUSING FUEL TO LEAK INTO THE ENGINE BAY. THIS IS TO BE INSPECTED EVERY 100 HOURS IAW ALLISON 250 C30 CEB A-73-3075R1 WHICH IT WAS.SDR 5600272041106Fuel Control · malfunctionedWHILE TURNING TO A LONG FINAL, APPROXIMATELY 10 MILES, THE RT ENGINE FAILED. CREW PERFORMED A PRECAUTIONARY SHUTDOWN AND LANDED SINGLE-ENGINE. AN EMERGENCY WAS DECLARED. REMOVED AND REPLACED RT ENGINE FCU. STATIC RIG AND PERFORMED SATISFACTORY LEAK CHECK ANDSDR CA060531005Fuel Control · inoperative(CAN) DURING CRUISE THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION. THE ENGINE WAS SHUT DOWN IN FLIGHT AND THE AIRCRAFT DIVERTED. THE FUEL CONTROL WAS SUBSEQUENTLY REPLACED. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE DETERMINED. (TC SDR CA060501003Fuel Control · failed(CAN) DURING CRUISE THE ENGINE EXPERIENCED AN UNCOMMANDED POWER ROLL-BACK. THE ENGINE WAS SHUTDOWN IN FLIGHT. THE FUEL CONTROL UNIT WAS SUBSEQUENTLY REPLACED. (TC NR 20060501003)SDR CA060424001Fuel Control · malfunctionedRT ENGINE N1, N2 AND FUEL FLOW FLUCTUATING CLIMBING FROM 10000 FT AND THEN CLIMBING FROM 10000 FT TO FL210 THE RT ENGINE N1, N2 AND FUEL FLOW WERE FLUCTUATING RAPIDLY. THE FLIGHT DIVERTED AND LANDED WITHOUT INCIDENT. THE CREW REPORTED THAT FLUCTUATION CEASEDSDR HCM2006F00000Hmu · malfunctionedAIRCRAFT MADE-AIRPORT PRECAUTIONARY LANDING DUE TO 3 MOMENTARY ENGINE SURGES ACCOMPANIED BY AN ASSOCIATED LOW NR WARNING HORN. PILOT STATES LANDING WAS NORMAL, AND MADE THE LANDING FOR A PRECAUTIONARY SAFETY CHECK. MAINTENANCE REPLACED SEVERAL COMPONENTS INCSDR AALA20060198Fuel Control · inoperativeORD - LEFT ENGINE SHUT DOWN ON APPROACH APPROXIMATELY 30 DEGREES BANK, 1.5 DEGREES NOSE DOWN, FLIGHT IDLE POWER, 160 KNOTS. REPLACED LEFT ENGINE FUEL CONTROL AND FUEL PUMP. SYSTEM GROUND CHECKED NORMAL OPERATION.SDR 06FDEA1264Fuel Control · unknownON TAKEOFF ROLL, AFTER TAKEOFF POWER WAS SET, N1 AND EPR INCREASED WITHOUT ANY PILOT INPUT. THE NUMBER 3 THROTTLE WAS ADVANCED AHEAD OF OTHER THROTTLES BY 1 KNOB WIDTH. COMPLETED INSTALL OF FUEL CONTROL AND PUMP IAW 727-2 00AMM AND PWMM 73-11-01.SDR WRNA200600006Mec · unserviceableENGINE NR 2 FAILED TO INCREASE BEYOND 80 PERCENT N1 UPON POWER APPLICATION ON T/O. T/O WAS REJECTED PER ABNORMAL PROCEDURES. TROUBLE SHOOT AND FOUND MEC TO BE FAULTY. REMOVED AND REPLACED NR 2 ENGINE MEC. LEAK CHECK, OPS CHECK AND RIG CHECK NORMAL IAW A-30SDR CA060504001Hmu · activated(CAN) CREW TAXIED OUT,TESTED THRUST REVERSER JUST PRIOR TO TAKEOFF. PLACED BOTH PWR LEVERS IN T/O DETENT, STARTED T/O ROLL. FELT AC SWERVE LT OF CTR LINE. CREW NOTICED LT ENG WAS STILL AT IDLE WITH PWR LEVER IN TAKEOFF DETENT. CREW ABORTED TAKEOFF. NO EICSDR CA060322010Fuel Control · looseDURING CRUISE PILOT REPORTED ENGINE PARAMETERS WANDERING. NH +-0.4% NL +- 0.2%, RPM +- 2 . MAINTENANCE INSPECTION FOUND POWER LEVERS ARMS LOOSE (LOW TORQUE/STILL COTTER PINNED ARMS RETIGHTEN AT ALL PIVOT POINTS AND RE-COTTER PINNED. AIRCRAFT RETURNED TO SERSDR IXXA060173OSensor · inoperativeAPPROX 2 HRS INTO FLT ACFT ENCOUNTERED MOUNTAIN WAVE EFFECT AND INCREASING AIRSPEED WHEN POWER WAS REDUCED. NR 4 ENGINE POWER ROLLED BACK TO IDLE AND WOULD NOT RESPOND TO THROTTLE. PERFORMED PRECAUTIONARY SHUTDOWN AND DESCENDED. ON DESCENT PERFORMED IN FLIGSDR CA060320006Ecu · inoperative(CAN) THE PROBLEM OCCURED ON THE 11/03/2006. DUE TO INTERNET CAPACITY TO DISPLAY THE RIGHT DATE, THE DATE OF MARCH 10 WAS WRITTEN IN THE (OCCURENCE DATE) ABOVE DUE TO INTERNET INCAPACITY TO DISPLAY CERTAIN DATE. FLIGHT CREW NOTICED A LT ENGINE ROLL BACK AT CLSDR 3002002103100Ecu · malfunctionedFLIGHT CREW NOTICED A LEFT ENGINE ROLL BACK AT CLIMB TWICE, ENGINE FLAMED OUT, ENGINE AUTO RESTARTED, WAS FINE FOR THE REST OF THE FLIGHT. AFTER LANDING LEFT T/R WOULD NOT STOW, POWER LEVER LOCK IN PLACE. MAINTENANCE INTERROGATED THE ENGINE COMPUTERS AN RESOSDR DXTA200601284Pressure Switch · malfunctionedDURING TAKEOFF ROLL, RIGHT HAND FUEL PRESS LIGHT ILLUMINATED (POWER WAS STABLE AT TAKEOFF POWER SETTING). REMOVED AND REPLACED RT FUEL PRESSURE SWITCH AND RT FUEL FILTER. PERFORMED BOTH IDLE AND HIGH POWER ENGINE RUNS WITH NO DEFECTS NOTED. ALL WORK PERFORMSDR VNAA0603001Fuel Control · fluctuatesCLIMBING OUT OF CAE FROM 10,000 FT TO FL 210 THE RIGHT ENGINE N1, N2, AND FUEL FLOW WERE FLUCTUATING RAPIDLY .8 - 1 PERCENT. THE FLIGHT DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. THE CREW REPORTED THE FLUCTUATION CEASED WHEN THE THROTTLES WERE RETARDED FORSDR CA060224003Fuel Control · failedON A TWO MINUTE COOL DOWN AFTER ONE HOUR FLIGHT, THE ENGINE STARTED TO SURGE, THE PILOT SHUTDOWN THE ENGINE AND AFTER A MOMENT TRIED A RESTART BUT IT WOULD NOT LIGHT-OFF. THE ENGINEER FOUND NO FUEL WOULD COME OUT OF FCU. FCU WAS REPLACED.SDR CA060227017Fuel Control · malfunctionedDURING DESCENT, THE ENGINE WAS FOUND TO NOT RESPOND TO THROTTLE LEVER INPUT AND WAS SHUT DOWN IN FLIGHT. THE ENGINE FUEL CONTROL UNIT AND FLOW DIVIDER VALVE WERE SUBSEQUENTLY REPLACED.SDR ALGA108111Torque Tube · leakingDURING CALIBRATION OF UNIT,FOUND FUEL LEAKING FROM AIR CIRCUIT. PART FAILED 1000PSI LEAK TEST IAW CMM. REPLACED PART WITH SERVICEABLE PART.
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