JASC 7321
Service difficulty reports · 2,879
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 COMA0060124Fcu · malfunctionedRIGHT ENGINE OVER SPEED. REPLACED RIGHT ENGINE FUEL CONTROL.SDR AU000031Ecu · malfunctioned(AUS) LEFT ENGINE ELECTRONIC CONTROL UNIT FAULTY.SDR ABXA000007Fcu · malfunctionedNR 4 ENGINE SLOW ON ACCELERATION TO TAKEOFF POWER. ABORTED TAKEOFF. REPLACED NR 4 ENGINE FUEL CONTROL UNIT IAW DC8 MM 73-20-1. LEAK AND OPS CHECK GOOD.SDR CA000118044Fuel Control · failed(CAN) SUSPECT CAUSE FOR HIGHER THAN NORMAL NGAT STARTUP.SDR 2000ZZZX746Fcu · leakingFCU LEAKING FUEL BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AGQA065567Control Unit · failedCONTROL UNIT WOULD NOT MATCH TORQUES TORQUE SPLITSDR VNAA0001007Ecu · failedWHILE CLIMBING THROUGH 17,000 FEET, THE AIRCRAFT EXPERIENCED A LEFT ELECTRONIC ENGINE CONTROL UNIT FAILURE. THE CREW RETURN TO THE FIELD AND LANDED WITHOUT ANY FURTHER INCIDENT. THE AIRCRAFT WAS THEN FERRIED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE LESDR VNAA0001004Ecu · failedDURING TAKEOFF, THE CREW RECEIVED A ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE CONTROL HAD THE CREW RESET THE CIRCUIT BREAKERS AND PERFORMED MAXIMUM POWER CHECKS WHICH CHECKED GOOD. THE AISDR CA000110022Fuel Control · failed(CAN) WF FLUCTUATIONS, FCU REPLACED.SDR 20000406SH025Fuel Control · failedFUEL CONTROL FAILED UPON INSTALLATION. REMOVED AND REPLACED. (X)SDR RAAA00B2004Fcu · out of rigABORTED T/O DUE TO EXCESSIVE THROTTLE MISALIGNMENT NR 2, 3 INCHES AFT OF NR 1. CHECKED BOTH 1 AND 2 ENGINE THRUST LEVER RIGGING IAW M/M 71-1-11. READJUSTED NR 1 THRUST LEVER. RETRIMMED BOTH ENGINES AND ADJUSTED IAW EF71-10-30.SDR 2000ZZZX370Fcu · defectiveSERIAL NUMBERS ARE THE UNITS THAT REPLACED THE DEFECTIVE UNITS. S/N 72779. SHAFT IN ENGINE FUEL CONTROL SHEARED CAUSING ENGINE TO SHUT DOWN.SDR AALA006001Pin · missingON CLIMB-OUT, RIGHT THROTTLE STOPPED GOVERNING. POWER REMAINED AT TAKEOFF POWER AND WOULD NOT FOLLOW THROTTLE POSITION. FLEW APPROXIMATELY 25 MINUTES SINGLE ENGINE TIME. NO ENGINE LIMITATIONS WERE EXCEEDED. LANDING WAS MADE AT 137,000 POUNDS. FOUND BOLT SDR VNAA0001001Ecu · failedDURING TAKEOFF, THE CREW RECEIVED A ENGINE ELECTRONIC CONTROL UNIT CAS MESSAGE. THE AIRCRAFT CLEARED THE RUNWAY AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND CHECKED THE ITEM BUT COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS REPOSITIONED AS FLIGHTSDR CA000118029Fuel Control · failed(CAN) TACH VALVE GUIDE PIN BACKED OUT WHICH DAMAGED THE BALLHEAD RETAINER AND THE BEARING SEIZED. THE FCU COUPLING WAS ALSO DAMAGED AS A RESULT. PIN HAS PRELOAD AND IS BRAISED IN DURRING ASSY. THIS IS THE FIRST INSTANCE NOTED AND WOODWARD IS INVESTIGATING.SDR CA000110041Fuel Control · failed(CAN) HIGH WF AND HIGH ITT DURING START. FCU REPLACED.SDR 2000ZZZX119P2 Line · failedDURING FLIGHT, PILOT EXPERIENCED LOW MAIN ROTOR SPEED CONDITION WITH AURAL WARNING. PILOT THEN LOWERED COLLECTIVE CONTROL AND MAINTAINED OPERATING SPEED OF ROTOR SYSTEM. AT THAT TIME, HE ELECTED TO TAKE GOVERNOR OUT OF THE AUTO POSITION AND INTO MANUAL OVERRISDR CA000201013Fuel Control · failed(CAN) ENGINE WENT TO AN UNCOMMANDED MAX POWER SETTING. MFC REPLACED.SDR DLM88992789Fcu · malfunctionedNR 1 ENGINE FLUCTUATIONS AND EVENTUAL SHUTDOWN. RETURNED TO CVG FLT 971. ENGINE SHUT DOWN ON ITS OWN AFTER 45 SECONDS OF FLUCTUATIONS FROM CLIMB POWER TO NEAR IDLE. RAN ENGINE TO T/O AND POWER SETTINGS BELOW ALL CKS OK, NO FLUX. PERFORMED ACCELERATION CHECSDR RAIA9912017Fcu · failed7071-STL- RIGHT ENGINE WOULD NOT MAKE TARGET TORQUE ON TAKEOFF ROLL. MAINTENANCE REPLACED RIGHT ENGINE FUEL CONTROL.SDR CA991231066Fuel Control · leaking(CAN) FUEL CONTROL LEAKING BEYOND ALLOWABLE LIMITS FROM DRAIN MAST.SDR VNAA9912010Ecu · failedDURING TAKEOFF, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. MAINTENANCE INSPECTED AND CLEANED THE ELECTRONIC ENGINE CONTROL UNIT AND INTERCOMP BLEED VALVE CANNON PLUGS IN ACCORDANCE WITH DORNIER MAINTENANSDR VNAA9912009Ecu · failedDURING TAKEOFF, THE RIGHT ELECTRONIC ENGINE CONTROL UNIT FAILED. THE CREW ABORTED TAKEOFF AND CLEARED THE RUNWAY. THE CREW PERFORMED THE QUICK REFERENCE HANDBOOK PROCEDURES AND RESET THE ELECTRONIC ENGINE CONTROL UNIT AND WAS RELEASED FOR ANOTHER TAKEOFF ATTSDR CA991229022Fuel Control · failed(CAN) NR2 ENGINE WOULD NOT RESPOND PROPERLY TO INCREASED POWER SETTING. FCU REPLACED BUT SUBSEQUENT FAILURE 50 HRS LATER. FCU''S AND FUEL SAMPLES WERE SENT FOR INVESTIGATION. AWAITING FOLLOW UP REPORT. CALL RECEIVED FROM OPERATOR SPECIFYING MATERIAL BREAKDOWN SDR VNAA9912005Connector · contaminatedDURING THE TAKEOFF ROLL, THE FLIGHT CREW EXPERIENCED A LEFT HAND ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF. MAINTENANCE INSPECTED AND CLEANED THE CANNON PLUGS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 75-00-00. OPERATIONASDR VNAA9912004Ecu · failedDURING THE TAKEOFF ROLL, THE FLIGHT CREW EXPERIENCED A LEFT HAND ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF. THE CREW RESET THE ELECTRONIC ENGINE CONTROL UNIT AND THE AIRCRAFT CHECKED GOOD. MAINTENANCE CONTROL CLEARED THE AIRCSDR CA000110035Bearing · failed(CAN) PRE SB 60034-73-1 BEARING FOUND TO BE FAILING DURING ROUTINE BENCH CHECK. POST SB BEARING AVAILABLE WHICH HAS LARGER RETAINER TYPE BALL BEARINGS.SDR GXPA99007Fcu · out of adjustNR 1 ENGINE FLAMED OUT AT ALTITUDE. FLAMED OUT ABOVE 29,000 FEET. ADJUSTED FUEL DENSITY, GROUND RUN AND TEST FLIGHT. CHECKED GOOD. (X)SDR VNAA9911015Fuel Control · failedDURING TAKEOFF, THE FLIGHT CREW RECEIVED A RIGHT HAND ENGINE ELECTRONIC CONTROL UNIT FAIL CAS MESSAGE AND THE CREW ABORTED TAKEOFF. THE CREW THEN FERRIED THE AIRCRAFT TO DAY WHERE MAINTENANCE INSPECTED AND CLEANED THE IBV AND ITS CANNON PLUG IN ACCORDANCE WITSDR VNAA9911014Fuel Control · failedDURING TAKEOFF, THE FLIGHT CREW RECEIVED A RIGHT HAND ENGINE ELECTRONIC CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKE OFF. THE CREW CYCLED THE ELECTRONIC ENGINE CONTROL UNIT ON THE RAMP AND IT RESET. PERFORMED A STATIC RUN UP AND IT REMAINED GOOD. TSDR AC2A0000010Servo · inoperativeSERVO MOTOR WILL NOT OPERATE. REPLACED ACTUATOR. (X)SDR SWAA991869Mec · erraticAIR TURNBACK, IN FLIGHT SHUT DOWN, NR 2 ENG WOULD NOT GET OUT OF FULL POWER. REMOVED AND REPLACED NR 2 ENG T2 AND T12 SENSORS AND REMOVED AND REPLACED NR 2 ENG MEC PER MM..SDR 99UAL900578Ecu · leakingNUMBER TWO ENGINE FAILURE INDICATION ILLUMINATED DUE TO COMPRESSOR STALL. *S/D* NO DAMAGE FOUND ON THE BORESCOPE INSPECTION. THE MAIN ENGINE CONTROL LEAKS. REPLACED THE MAIN ENGINE CONTROL AND FUEL PUMP.SDR 99ZZZX4409Fcu · leakingFUEL CONTROL LEAKING AT AMBIENT AIR PASSAGE. 1-2 DROPS AFTER START. INTERNAL LEAKAGE.SDR 9904739139Fuel Control · failedAS POWER WAS INCREASED FOR TAKEOFF AND WITH EPR INDICATION BELOW 1.2, THE LEFT ENGINE FLAMED OUT. THE EGT INDICATION FOR THE LEFT ENGINE DECREASED AND THE N1 AND N2 INDICATIONS DECREASED TO ZERO. TAKEOFF WAS ABORTED AT LESS THAN 20 KNOTS AIRSPEED WITHOUT INCSDR CA991208031Fcu · failed(CAN) TORQUE ROLLBACK WITH LARGE WF FLUCTUATIONS EXPERIENCED, MANUAL MODE SELECTED WHICH REDUCED FLUCTUATIONS. HMU AND EEC INSPECTED AND FOUND FAILED.SDR 99ZZZX4397Fcu · leakingFOUND FUEL LEAKING OUT OF IDLE CUT-OFF SHAFT OF FUEL CONTROL UNIT.SDR HEEA064949Fcu · failedAT 5,500 FEET DURING CRUISE, NR 1 ENGINE DECELERATED TO 68 PERCENT N1. RECOVERED AT 3,300 FEET, SLIGHT OSCILLATION ON LANDING. INSP OF FUEL CONTROL FOUND CATASTROPHIC DRIVE BEARING FAILURE. SPLIT UNIT AND DISCOVERED MAJOR DAMAGE TO INTERNAL DRIVE BODY PARTSSDR CA991208004Ecu · failed(CAN) TORQUE AND POWER REDUCTION REPORTED. MANUAL MODE SELECTED AND ENGINE STABILIZED. EEC FAILURE ESTABLISHED.SDR VNAA9910021Eec · failedDURING CLIMB FLIGHT 4158 EXPERIENCED VARYING POWER LOSS IN THE RIGHT HAND ENGINE. THE FLIGHT CREW RETURNED TO THE FIELD. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND CLEANED THE INLET BLEED VALVE SERVO SCREEN IN ACCORDANCE WISDR A6WA9900122Fuel Conrol · failedCOS/DEN - FLT 5568 - UNCOMMANDED ROLL BACK ON NR 2 ENGINE, ABORTED TAKEOFF. REMOVED AND REPLACED NR 2 FUEL CONTROL UNIT. FUEL CONTROL UNIT TSR 3166 CSR 3553. PART TOTAL CYCLES, 19,244. (X)SDR DHL99802003Mec · unservicableNR 3 ENGINE N1 OCCILATION AND MODERATE VIBRATIONS CONCURRENT WITH OCCILATIONS. PRECAUTIONARY SHUTDOWN. CHANGED NR 3 MEC AND CIT SENSOR. OPS AND LEAK CHECK OK PER MM 73-20-1 AND 73-20-2.SDR DL76L992334Fuel Control · malfunctionedDURING CLIMB FORM 330 TO 350 RT ENG DID NOT ACCELERATE. RT THROTTLE WAS MOVED TO FIREWALL WITH NO RESULTS. AS THROTTLE WAS BROUGHT BACK IN ALIGNMENT THE ENG STARTED WORKING NORMAL. REPLACED RIGHT ENGINE FUEL CONTROL, SYSTEM OPS CHECK NORMAL.SDR CA991209005Fcu · failed(CAN) ENGINE WAS FAILING DECEL CHECKS.SDR 2000ZZZX472Fcu · inoperativeDURING SHORT FINAL, NR 3 ENGINE FLAMEOUT; FUEL ON NR 3 TANK WAS 5800; SUSPECT FCU MALFUNCTION. CHANGED AND TESTED FCU UNIT IAW PW MM 72-0. (X)SDR CA000110023Fuel Control · failed(CAN) FUEL CONTAMINATION WAS FOUND WITHIN THE FCU AND THE FUEL CENTRIFUGAL PURIFIER. THE PURIFIER HAS BEEN SENT FOR TEAR DOWN.SDR CA991103068Fcu · failed(CAN) ENGINE FAILED TO ACCELERATE ABOVE 77 PERCENT N1. FCU REPLACED AS WELL AS N1 AMPLIFIERS SWAPPED. NO FURTHER DEFECTS NOTED.SDR 99UAL900524Fuel Control · out of adjDIVERTED TO MCI DUE TO NR 1 ENGINE SURGE. *S/D* THE FUEL CONTROL UNIT WAS FOUND TO BE OUT OF ADJUSTMENT. THE FCU WAS REPLACED.SDR 99ZZZX4398Fcu · leakingFOUND FUEL LEAKING OUT OF IDLE CUT-OFF SHAFT OF FCU.SDR UF6A991016Fuel Control · failedSBN - FLT 5751 - DURING CRUISE, THE NR 1 ENGINE TORQUE BEGAN TO SURGE PLUS/MINUS 5 PERCENT. TORQUE PEAKED AT 120 PERCENT FOR 1 SECOND THEN ROLLED BACK TO 0 PERCENT. ENGINE WAS SHUTDOWN. MAINTENANCE REMOVED AND REPLACED THE NR 1 MFC. POWER ASSURANCE RUNS WE
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