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 CA991103092Fcu · fluctuated(CAN) ENGINE EXPERIENCED EPR FLUCTUATIONS UP TO 21 EPR. N2 REMAINED STEADY, N1 FLUCTUATED UP TO 5 DEGREES. EEC'S REPLACED INDESCRIMINENTLY, SUBMITTER STATED FAILURE WAS DUE TO FCU TRIM CONTROL MAIN OVERRIDE PX.SDR CA991027072Fcu · failed(CAN) POWER SETTING COULD NOT BE ALTERED USING POWER LEVER. FCU CHANGED.SDR 99ZZZX4569O-Ring · failedUPON DISASSEMBLY OF UNIT, FOUND O-RING HARD AND BRITTLE. ALL O-RINGS BRITTLE AND HARD - POSSIBLE EXTREME HEAT.SDR TWAA9913401Fuel Control · failedDURING APPROACH TO STL, THE LT ENGINE FLAMED OUT. AFTER EXTENSIVE CHECKS, REPLACED THE ENGINE FUEL CONTROL (P/N 769606-11) AND THE ENGINE FUEL PUMP (P/N 384301-3). CHECK-C 2-6-99 MCI.SDR QXEA9902005Fuel Control · malfunctionSEA - AUTO FEATHER FAILED TO ARM ON TAKEOFF ROLL. TAKEOFF ABORTED. REMOVED AND REPLACED AUTO FEATHER ARM CONTROL RELAY 6121-K5. FAILED TO ARM ON TAXI CHECK. FERRIED TO PORTLAND FOR REPAIRS. REMOVED AND REPLACED BOTH MANUEL FUEL CONTROL. OPERATIONAL CHECKSDR CA991007011Valve · leaking(CAN) CREW UNABLE TO ACHIEVE N1, TEMP LIMITED. FCU POPPET VALVE FOUND LEAKING WHICH CONTROLS BLEED BAND OPERATION.SDR 9904046730Fuel Control · malfunctionedAT 4,000 FEET ON FINAL APPROACH (KIX), THE NR 4 ENGINE FLAMED OUT. A SINGLE RESTART WAS ATTEMPTED AND ABORTED DUE TO HIGH EGT. THE LANDING WAS COMPLETED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE EXHAUST AND INTAKE WITH NO DEFECTS NOTED. THE FUEL CSDR ABXA9900717Fuel Control · malfunctionNR 2 ENGINE FLAMED-OUT AT FL330, FUEL PRESSURE WENT TO ZERO. OIL PRESSURE LIGHT ILLUMINATED. SECURED ENGINE. OIL QUANTITY WAS 3.2 GALLONS. OIL PRESSURE WAS 25 PSI. ENGINE MOTORED FOR APPROXIMATELY 2 HOURS AND 40 MINUTES. REPLACED NR 2 FUEL CONTROL IAW DCSDR CA991004017Fcu · inoperative(CAN) HYDRAULIC MECH FUEL CONTROL UNIT SHOWED SIGNS OF SPIKING DURING POTENTIOMETER RESISTANCE CHECKS.SDR MALA976573Ecu · failedAT 31,000 FT, NR 3 ENGINE AIR VALVE LIGHT CAME ON, THEN OIL 3 LOW PRESSURE LIGHT CAME ON, VERIFIED WITH OIL PRESSURE GAUGE IN RED, CREW SHUT DOWN ENGINE. DIVERTED TO STL. MAINTENANCE INVESTIGATED DISCREPANCY, NO LEAK NOTED AND NO FAULT ON ECU. PERFORMED GROSDR CA990927003Fcu · sticking(CAN) NR 1 ENG SHUTDOWN DURING LANDING. INVESTIGATION REVEALED THAT THE NR 1 ENGINE TMS ACTUATOR HAD STUCK IN THE FULLY RETRACTED POSITION CAUSING THE FCU TO MOVE INTO THE SHUT-OFF POSITION WHEN THE THROTTLE WAS RETARDED TO FLIGHT IDLE. ACTUATOR REPLACED.SDR AU990904Eec · faulty(AUS) NR 1 ENGINE ELECTRONIC CONTROL UNIT FAILED. PROPELLER CONTROL UNIT ALSO CHANGED.SDR AU990882Decu · faulty(AUS) RIGHT ENGINE CONTROL UNIT FAULTY.SDR 99ZZZX3559Fcu · malfunctionedFCU WOULD NOT ADJUST. REMOVED AND REPLACED.SDR 2000ZZZM204B-Nut · looseON FAE - FLT 945 - KMEM TO NBJ, DURING CLIMB, THROUGH FL260 NR 3 ENGINE STARTED FLUCTUATING INTERMITTENT AT FIRST THEN STEADY. AFTER LEVEL OFF AT FL290, NR 3 ENGINE CONTINUED TO FLUCTUATE. AIRCRAFT RETURNED TO KMEM. ON GROUND MAINTENANCE INSPECTED NR 3 ENGISDR AU990855Decu · faulty(AUS) RT ENGINE DIGITAL ENGINE CONTROL UNIT INTERNAL FAILURE.SDR CA990915011Ecu · failed(CAN) TORQUE FLUCTUATIONS, EEFCU REPLACED.SDR HEEA063262Fcu · fluctuatingTORQUE AND TOT FLUCTUATIONS IN-FLIGHT AFTER POWER CHANGES.SDR CA990817012Hmu · malfunctioned(CAN) 10 PERCENT TORQUE FLUCTUATIONS EXPERIENCED IN CRUISE FLIGHT. ENGINE ELECTRONIC CONTROL TO MANUAL STABILIZED THE ENGINE. INSPECTION AND DIAGNOSTIC TESTING RESULTED IN HMU REPLACEMENT.SDR 99ZZZX4645Fcu · failedDURING AN UNSCHEDULED REPLACEMENT OF THE FUEL CONTROL, INSTALLED A TSO ZERO FUEL CONTROL, SN 319211. GROUND RAN ACFT, COMPLETED LEAK CHECK AND ATTEMPTED TO SHUTDOWN. THE ENGINE WOULD NOT TURN OFF. SEVERAL OTHER ATTEMPTS MADE TO SHUTDOWN WITH NO RESULTS. TSDR HEEA063057Fcu · malfunctionedAUTOFUEL CONTROL CAUSING TORQUE SURGES.SDR ORJA99252Fuel Control · out of adjustRNO - RETURN TO GATE ABORTED TAKEOFF AT ABOUT 30 KNOTS RIGHT ENGINE SLOW TO SPOOL. T/S PER 72-00-04 FIG 114, FOUND BOTH ENGINE IDLES LOW. RETRIM BOTH ENGINE PER 72-00-00. OPS CHECK NORMAL. (M)SDR UF6A990802Fuel Control · failedCWA - FLT 5716 - THE NR 2 ENGIEN WENT TO 120.4 PERCENT AND REMAINED THERE AFTER TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE NR 2 MECHANICAL FUEL CONTROL. SYSTEM OPS CHECKED GOOD. (M)SDR 99ZZZX4562Ecu · failedTHE ECU, SN JG7ALK0380 FAILED AND WENT INTO THE MANUAL MODE. ATTEMPTS WERE MADE TO DOWNLOAD INFORMATION FROM THE ECU WITH NO RESULTS. REMOVED THE DEFECTIVE ECU. INSTALLED SERVICEABLE ECU. GROUND RAN AIRCRAFT. ALL SYSTEMS FUNCTIONALLY CHECKED OK. GROUNDEDSDR 9903126608Fuel Control · failedAT FL370, THE CREW REPORTED NR 4 ENGINE FLAMED OUT. THE ENGINE WAS SECURED PER THE COM, AND NO RESTART WAS ATTEMPTED. THE FLIGHT DIVERTED TO LAS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND METAL DEBRIS IN THE ENGINE FUEL FILTER. SDR 2000ZZZX662Fcu · contaminatedENGINE FAILURE RESULTING IN EMERGENCY LANDING. INVESTIGATION REVEALED A PIECE OF BLACK RUBBER APPROXIMATELY 18 BY 8 MILLIMETERS IN SIZE LODGED IN THE EJECTOR PUMP ORIFICE OF THE FUEL SYSTEM LOW PRESSURE UNIT. THIS CAUSED THE HIGH PRESSURE FUEL PUMP, INSIDE SDR SWIA971552Eec · failedON CLIMB AT 1000 FT, RIGHT ENGINE TORQUE ROSE UNCOMMANDED TO APPROXIMATELY 124 PERCENT. PROP NP WAS APPROXIMATELY 100 PERCENT, T6 BELOW 800 FT. ALL OTHER PARAMETERS NORMAL AND EEC WARNING ENSUED. CHECK LIST CALLED FOR EEC SWITCH TO MANUAL AT WHICH TIME CONTRSDR DL72S991711Fuel Control · malfunctionedNR 1 ENGINE STARTED FLUX PLUS OR MINUS .2 EPR WITH ALL OTHER ENGINE INSTRUMENTS ALSO. REPLACED NR 1 ENGINE FUEL CONTROL RAN ENG, OPS NORMAL.SDR HEEA062834Sensor · failedN2 SENSOR CAUSING FADEC DEGRADE LIGHT. REPLACED WITH SERVICEABLE ASSY.SDR MWEA99394Fuel Control · malfunctionedLEFT ENGINE FUEL FLOW FLUCTUATES 700 POUNDS WITH LEFT ENGINE EPR FLUCTUATING FROM 1.95 DOWN TO 1.70. MTC REMOVED AND REPLACED LEFT ENGINE FUEL CONTROLLER AND FUEL PUMP.SDR RAIA990713Eec · failedFLT 7391 - XNA - RIGHT ENGINE ITT HIGH. MAINTENANCE REPLACED EEC ON RIGHT ENGINE. (M)SDR 9902399610Fuel Control · out of adjustDURING TAKEOFF ROLL AT 100 KNOTS, THE RIGHT ENGINE WOULD NOT REACH TARGET EPR INDICATION. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE TRIMMED THE FUEL CONTROLS FOR THE LEFT AND RIGHT ENGINES. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.SDR CA990707080Fcu · failed(CAN) WHILE TAXIING, THERE WAS NO POWER CONTROL ON NR 1 ENGINE. UNABLE TO GO ABOVE IDLE. FUEL CONTROL UNIT WAS REPLACED.SDR 99ZZZX2646Fcu · malfunctionedLEFT ENGINE EXPERIENCED GRADUAL 100 HORSEPOWER LOSS. REPLACED LEFT HAND FUEL CONTROL UNIT AND FUEL PUMP WITH SERVICEABLE UNITS. PERFORMED GROUND RUN, LEAK AND PERFORMANCE CHECK IAW GARRETT RUN-UP FROM TTF-0052.SDR DL757991403Eec · failedON DESCENT RT ENGINE ROLLED BACK TO IDLE AND STABILIZED, THEN ENGINE ROLLED BELOW IDG ONLINE SPEED. CREW ELECTED TO SHUTDOWN ENGINE. RT ENG PRI CONTROL STATUS MSG ON AND THE EPCS MESSAGE EEC P/EEC 275-16 275-19 PRESENT.SDR CA990728002Fcu · failed(CAN) NR 1 ENGINE LOST POWER ON FINAL. NO RESPONSE TO P/L MOVEMENT. ENGINE REMAINED RUNNING. THE HMFC UNIT WAS REPLACED.SDR 99ZZZM621Fuel Control · leakingUNSCHEDULED LANDING IN STL DUE TO HIGH FUEL FLOW ON NR 1 ENGINE. FUEL CONTROL WAS FOUND TO BE LEAKING AT MATING SURFACE AFT OF THE MOISTURE TRAP. THE FUEL CONTROL WAS REPLACED, ENGINE TRIMMED AND AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR AALA990882Fuel Control · defectiveLAX - FLT 162 - DURING APPROACH LAX AT APPROX 1,006 FEET, THE NR 1 ENGINE FLAMED OUT. FUEL PRESSURE WAS ZERO. FUEL PUMPS WERE ON, HAD 5200 LBS OF FUEL IN NR 1 TANK. ENGINE RELIT AT ABOUT 100 FEET AGL. LANDED LAX WITHOUT INCIDENT. REPLACED MAIN ENGINE FUELSDR CA991007059Fcu · failed(CAN) FCU CUT FUEL OFF AT 24 DEGREES RATHER THAN 10 DEGREES.SDR CA990707014Fcu · failed(CAN) NR 2 ENGINE TORQUE DROPPED TO 20 PERCENT INCREASE IN PLA RESULTED IN FURTHER DECREASE IN TORQUE. HMFCU REPLACED.SDR 99ZZZX2462Bearing · wornBEARING SUPPORTING THE OVERSPEED FUEL VALVE HAD WORN CREATING METAL CONTAMINATION.SDR 99ZZZX2515Diaphragm · defectiveFUEL CONTROL UNIT RETURNED WITH COMPLAINT OF 'LACK OF POWER LEVER RESPONSE AT ALTITUDE'. AS RECEIVED, REVEALED HOLE INSIDE OF DIAPHRAGM. CAUSE UNKNOWN.SDR 99ZZZX4165Fcu · leakingFCU LEAKING FUEL BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR USAA069942Fuel Control · malfunctionedFLT 6461 - LGA-DCA - AT 10,000 FT CRUISE, PULLED ALL POWER LEVERS TO IDLE. NR 3 WENT TO FULL POWER, NO CONTROL WITH POWER LEVER. ENGINE LIMITS NOT EXCEEDED. SHUT DOWN ENGINE. 10 MINUTES WINDMILL AT 15 PSI OIL PRESSURE. REPLACED NR 3 ENGINE FUEL CONTROL PESDR 99FDEA00205Mec · malfunctionedNR 2 ENG SHUT DOWN DUE TO LOW OIL PRESS, NO RESTART. *S/D* REMOVED AND REPLACED NR 2 ENG MEC AND FUEL PUMP AS PER AIRBUS MM. CK GOOD. REMOVED AND REPLACED CIT SENSOR PER MM.SDR 99ZZZX2514Fuel Control · malfunctionedMANUAL MODE SOLENOID VALVE FAILED CAUSING AN UNCOMMANDED FUEL FLOW INCREASE TO THE RIGHT ENGINE. THE RESULTANT TORQUE INCREASE CAUSED THE AIRCRAFT TO VEER SLIGHTLY.SDR GXPA99002Bellows · looseLEFT ENGINE FLAME-OUT CLIMBING FROM FL 370 TO FL 390. ENGINE RE-LIGHT AT 5,000 FEET. FOUND 'P2' BELLOWS LOOSE AT FUEL CONTROL ENGINE. GROUND RUN GOOD AFTER RE-SECURING BELLOWS. (X)SDR 99UAL900296Fuel Control · malfunctionedRT ENG SURGE ON TAKEOFF WITH FLAMES REPORTED FROM TAILPIPE AND AUDIBLE BANG. REDUCED POWER AND STABILIZED EGT PEAK 774C FOR 13. FLIGHT CONTINUED TO LAX. *S/D* ACCOMPLISHED SURGE CHECKS PER MM 71- 00-39, NO DEFECTS FOUND. REPLACED FUEL CONTROL AND FUEL PUMSDR P5CA9900571Fuel Control · malfunctionedDURING DESCENT LEAVING FL350 APPROACHING FL330 FUEL HEAT WAS ON NR 3 ENGINE, WOULD NOT RESPOND BEYOND 65 PERCENT TO THROTTLE MOVEMENT. NO LOUD NOISES, NO EGT INCREASES. ENGINE WAS SHUTDOWN AND RESTARTED PER AOM. NO FUEL FLOW WITH START LEVER IN IDLE. PLACESDR AU990500Plug · contaminated(AUS) LT ENGINE ELECTRONIC CONTROL TORQUE SENSOR PLUGS CONTAMINATED.
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