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 99ZZZX601Fuel Control · malfunctionedAIRCRAFT WAS ON A FAR PART 91 COMPANY FLIGHT, DEPARTING DAL - JUST AFTER TAKEOFF, THE LEFT LOW FUEL PRESSURE ANNUNCIATOR LIGHT ILLUMINATED FOLLOWED BY AN ENGINE SURGE THEN ENGINE ROLLED BACK TO 62 PERCENT N1 AND STABILIZED. LEFT ENGINE COMPUTER ANNUNCIATOR LISDR AU981449Indicator · malfunctioned(AUS) ENGINE EXPERIENCED A TORQUE SWING OF PLUS OR MINUS 4 PERCENT. INVESTIGATION WAS UNABLE TO RE-PRODUCE THE FAULT. ECU, TSCU, AND TORQUE PROBE CONNECTORS CLEANED AS A PRECAUTION. NO FURTHER OCCURRENCES.SDR WRLA98097Fcu · inoperativeDURING INITIAL TAKEOFF ROLL, FLIGHT CREW RECEIVED TANK 2 PUMPS 'OFF' ALERT. FLIGHT CREW ELECTED TO RETURN TO GATE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL INOP FUEL SYSTEM CONTROL AUTO MODE. DEFERRED PER MEL 28-01-1. AIRCSDR HEEA0016416Control Unit · failedTORQUE CONTROL UNIT CAUSES TORQUE OSCILLATION ON NR 2 ENGINE.SDR 98FDEA00670Fuel Control · malfunctionedWHILE MAKING FINAL PWR SETTING DURING T/O CSTD PWR, THE NR 3 ENGINE SEIZED. NO UNUSUAL ENGINE READINGS NOTED DURING ACCELERATED. INDY- IN WORK TO REMOVED AND REPLACED FUEL PUMP NOT A CONFIRMED FIX AS YET. *S/D* REMOVED AND REPLACED FUEL PUMP AND FUEL CONTRSDR VTZA98316Fcu · failedFLT 6627 - IAD-ORH - AIRCRAFT MADE AN SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS LEFT ENGINE SPOOLED DOWN AND OIL AND GENERATOR WARNING LIGHTS ILLUMINATED. CREW SHUT DOWN LEFT ENGINE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTSDR 98ZZZX4194Fuel Control · malfunctionedFUEL CONTROL UNIT WOULD NOT LET THE ENGINE GO BELOW 1,400 POUNDS OF TORQUE ON DESCENT FROM ALTITUDE. ENGINE WAS SHUT DOWN. PROPELLER SECURED TO ALLOW FOR A SAFE LANDING. SUBMITTER STATED CAUSE OF MALFUNCTION UNKNOWN.SDR COMA9810237Eec · failedLEFT ENGINE EEC FAILED ON TAKEOFF. REPLACED LEFT ENGINE EEC.SDR 98ZZZX4346Fuel Control · malfunctionedFUEL CONTROL SUSPECTED TO ALLOW AIR INTO FUEL SYSTEM.SDR SWIA971284Eec Connector · dirtyRIGHT EEC CAUSES TORQUE INDICATION TO FLUCTUATE. RETURNED TO SFO. COMPLETED ENGINE RUN OF RIGHT ENGINE UP TO 100 PERCENT TQ. NO TQ FLUCTUATIONS NOTED. ALL ENGINES INDICATIONS NORMAL WITH EEC IN MANUAL. CLEANED AND OHMED DIRTY CANNON PLUGS. RAN ENGINE IAWSDR CA981028002Harness · failed(CAN) ON TAKEOFF, AT 100 FEET, THE NR 2 ENGINE AUTOFEATHERED. CREW NOTED THE PROP SPEED AT 1400 RPM (SHOULD BE AT 1200 RPM). THE ENGINE WAS SECURED AND THE AIRCRAFT RETURNED TO ITS DEPARTURE POINT. MAINTENANCE REPLACED THE NR 2 ENGINE PROP CONTROL UNIT, THISSDR 99ZZZX54Fcu · malfunctionedOPERATOR REPORTED DURING DESCENT FROM FL 410 WHEN POWER LEVERS WERE RETARDED, LEFT ENGINE ROLLED BACK AND FLAMED OUT. A SUBSEQUENT AIR-START WAS NOT ATTEMPTED. OPERATOR DESCENDED AND LANDED AT DESTINATION AIRPORT. TROUBLESHOOTING OF DISCREPANCY PER MM REVEASDR DL73K982051Fuel Control · malfunctionedNR 1 ENGINE COMPRESSOR STALLS AT FL370. AC YAWED LT EACH TIME AND N1 AND F/FLOW GAUGES FLUXED. N1 GAUGE WOULD SPIKE 5PC DROP. 5 SPIKES AT 1 SECOND INTERVALS. FLT DIVERSION TO MCO. INSP ENG COMPRESSOR AND EXH WITH BOROSCOPE. NO TROUBLE FOUND. CKED PS3 FISDR CA981216007Module · damaged(CAN) NR 2 ENGINE DID NOT ATTAIN TAKEOFF THRUST (MAX OBTAINED 1.63 EPR) WITH POWER LEVER FULL FORWARD. AUTO THROTTLE AND RIGHT EEC DISCONNECTED AUTOMATICALLY. AIRCRAFT RETURNED TO THE GATE AND WAS RELEASED PER MEL 73-21-1.SDR DLM88982001Fuel Control · malfunctionedTAKEOFF REJECTED AT 80 KNOTS DUE TO EPR ROLLBACK ON NR 2 ENGINE. EPR WAS MOMENTARILY STABLE AT 1.86 EPR THEN ROLLED BACK T0 1.5. REPLACED ENGINE FUEL PUMP AND CONTROL.SDR SWIA971260Eec · failedRIGHT EEC FAILED AT 400 FT AGL AFTER TAKEOFF. RETURNED TO AIRPORT (EKO) MEL 73-21-1. REPLACED RIGHT EEC. PERFORMED RUN CHECKS AS REQUIRED PER MM 71-00-00. ALL RUNS CHECK GOOD LEFT AND RIGHT ENGINE .SDR CA980928005Fuel Control · faulty(CAN) ENGINE STARTED HOT AND DID NOT IMMEDIATELY SHUT DOWN WHEN THE THROTTLE WAS STOP COCKED. FUEL LEVER WAS STOP COCKED AND 3-5 SECONDS LATER, THE ENGINE SHUT DOWN. THE FUEL CONTROL UNIT WAS FOUND FAULTY.SDR SIMA982472Fadec 1a · failedORD - FLT 4033 - THROUGH 13,000 FEET, LEFT ENGINE FLAMED OUT. TRIED TO RESTART, BUT AT LIGHT OFF, THE RAM AIR ADVISORY LIGHT CAME ON. DISCONTINUED START. REMOVED AND REPLACED FADEC 1A AND FADEC 1B. OPERATIONAL CHECKED WITH NO FURTHER DEFECTS NOTED. AIRCRASDR 99ZZZM283Fadec 1b · failedORD - FLT 4033 - THROUGH 13,000 FEET, LEFT ENGINE FLAMED OUT. TRIED TO RESTART, BUT AT LIGHT OFF, THE RAM AIR ADVISORY LIGHT CAME ON. DISCONTINUED START. REMOVED AND REPLACED FADEC 1A AND FADEC 1B. OPERATIONAL CHECKED WITH NO FURTHER DEFECTS NOTED. AIRCRASDR UPS98827592Mec · failedINSPECTION TYPE-N/A, NR 3 ENG FLAMED OUT IN CRUISE FLT AT FL 350 ON ATTEMPTED RE-IGT, EGT CLIMBED RAPIDLY TO 900 DEG, SHUT DOWN ENG. FOB AT TIME WAS 50.0 WITH 12,750 LBS IN NR 3 MAIN NORMAL CONFIG. REPLACED NR 3 ENG MEC PER MM-73-20-01, T/C 1037/1038 SYSTEM SDR USAASB98224Sensor · failedCHS - FLT 888 - AT FL370 WITH AUTOPILOT/AUTOTHROTTLES ON, THE NR 2 ENGINE POWER STARTED TO DECREASE WITH THROTTLES SPLIT TWO INCHES. TURNED AUTOTHROTTLE OFF AND POWER BECAME STABLE. TURNED AUTOTHROTTLES BACK ON AND POWER STARTED TO DECREASE AGAIN. TURNED PMSDR AU981147Fcu · failed(AUS) NR 1 ENGINE FUEL CONTROL UNIT SUSPECT FAULTY.SDR PLGA980814ADecu · malfunctionedBOS - FLT 4257 - AFTER TAKEOFF, THE RIGHT ENGINE ITT STARTED TO FLUCTUATE. AIRCRAFT RETURNED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT ENGINE DECU. AIRCRAFT RETURNED TO SERVICE. (M)SDR UF6A980814Eec · failedORD - FLT 5754 - NR 1 ENGINE CONTROL FROZEN ON TAKEOFF ROLL AND PROP FEATHERED. MAINTENANCE INSPECTED ENGINE CONTROL RIGGING, CHECKED CONTINUITY AND RESISTANCE OF NR 2 TORQUE SENSOR. ALL SYSTEMS OPS CHECKED GOOD. NR 1 EEC WAS REMOVED AND OPS CHECKED GOOD. SDR 99ZZZX1426Fcu · malfunctionedDURING FINAL APPROACH FOR LANDING AFTER A TEST FLIGHT FOR NR 1 FUEL CONTROL CHANGE, THE NR 1 ENGINE TORQUE DROPPED TO ZERO, N1 DROPPED TO 30 PERCENT, AND N2 DROPPED TO BELOW 50 PERCENT. PILOT MADE AN UNEVENTFUL SINGLE ENGINE LANDING. REPLACED FUEL CONTROL. TSDR SWAA981838Fuel Control · failedAT CRUISE, NR 2 ENGINE ROLLED BACK TO 1.56 EPR, 79 PERCENT N1, 83.5 PERCENT N2 2150 FF AND FROZE THERE. ENGINE DID NOT RESPOND TO THROTTLE MOVEMENT, ENGINE SHUTDOWN ACCOMPLISHED AND SINGLE-ENGINE LANDING ACCOMPLISHED. REMOVED AND REPLACED FUEL PUMP AND FUEL SDR SWAA981839Connector · looseAIRCRAFT WITH NR 2 ENGINE SHUTDOWN, APU ELEC ON LINE, NR 1 THROTTLE AT IDLE, UNCOMMANDED ENG ACCELERATION TO 85 PERCENT N1, APPROX 10 SEC, THEN RETURNED TO IDLE. (LOG PAGE 169881). FOUND J2 CONNECTOR ON EEC LOOSE, CLEANED AND SECURED OPERATED ENG PER BOEING SDR UF6A980806Ecc · malfunctionedORD - FLT 5758 - AFTER LANDING, NR 1 ENGINE FEATHERED ON ITS OWN. MAINTENANCE INSPECTED ENTIRE SYSTEM AND RAN ENGINES. COULD NOT DUPLICATE. SYSTEM OPS CHECKED GOOD. (M)SDR 98UAL900379Mec · failedON DESCENT, NUMBER 1 ENGINE FLAMED OUT. *S/D* REPLACED MAIN ENGINE CONTROL (MEC) ON ENGINE. ENGINE TESTED SUCCESSFULLY. FOUND GOVERNOR PLUG ON MEC DISBONDED. INCORPORATING SERVICE BULLETIN 73-117.SDR UF6A980803Eec · failedORD - FLT 5712 - NR 1 ENGINE FEATHERED AFTER LANDING WITHOUT MOVEMENT OF CONDITION LEVER. MAINTENANCE REMOVED AND REPLACED NR 1 EEC. SYSTEM OPS CHECKED GOOD. (M)SDR 98ZZZX4543Fuel Control · failedSCEL - REJECTED TAKEOFF DUE TO FAILURE OF RIGHT ENGINE TO DEVELOP TAKEOFF POWER INDICATED AT MAXIMUM THROTTLE 1.55 EPR AND 80 PERCENT N1. REMOVED AND REPLACED RIGHT EEC, PERFORMED ENGINE RUN PER 71-00-00. OPERATIONAL CHECK NORMAL.SDR 98ZZZM818Fuel Control · malfunctionedPDX - FLT 648 - DURING CLIMB-OUT, CREW REPORTED THE RT ENGINE FLAMED OUT PASSING 25,000 FT. ACCOMPLISHED QRH PROCEDURE, ENGINE WOULD NOT RESTART. RETURNED TO PDX AND LANDED WITHOUT INCIDENT. INSPECTED RT ENGINE INLET AND EXHAUST, NO DEFECT NOTED. MANUALLY SDR 98ZZZX3358Drive Body · crackedDURING DISASSEMBLY OF FUEL CONTROL FOR REPAIR, FOUND DRIVE BODY CRACKED.SDR HEEA0015279Control Unit · leakingNR 2 SIDE HAS INTERNAL AIR LEAK THAT PREVENTS NR 2 ENGINE FROM TOPPING. (BOTH SERVO VALVES LEAK).SDR MASA98146Fuel Control · failedFLT 5225 - YUM-PHX - AFTER A NORMAL TAKEOFF RUN, AT ROTATION THE NR 1 ENGINE EXPERIENCED A POWER LOSS. THE NR 1 PROP WENT INTO AUTOFEATHR, AT 1500 FT AGL THE APPROPRIATE PROCEDURES WERE CARRIED OUT. AN EMERGENCY WAS DECLARED, AND THE AIRCRAFT RETURNED TO THESDR AU980912Fcu · failed(AUS) LEFT ENGINE FUEL CONTROL UNIT FAULTY.SDR AU980841Connector · contaminated(AUS) HMU AND EEC CONNECTIONS CONTAMINATED.SDR 98ZZZX2976Fcu · failedIN CRUISE AT 18,000 FEET, LEFT ENGINE GRADUALLY LOST POWER. HP DROPPED FROM 2,000 TO ZERO, TIT FROM 847 TO 450, FF FROM 1,110 TO 600. TRIED TD NULL OFF, POWER LOSS GOT WORSE. TRIED ENGINE HEAT, NO EFFECT. SHUT ENGINE DOWN. DISCONNETED EDC PER CHECKLIST. SDR UF6A980713Eec · malfunctionedORD - FLT 5749 - NR 1 TORQUE FLUCTUATES 25 PERCENT AT SETTINGS OF 15 PERCENT TO 40 PERCENT ON APPROACH. MAINTENANCE REMOVED AND REPLACED NR 1 EEC. PERFORMED OPS CHECK AND TEST FLIGHT. ALL SYSTEMS CHECKED GOOD. (M)SDR UF6A980711Switch · out of adjustORD - FLT 5739 - NEITHER AUTOFEATHER ARMED ON TAKEOFF ON RIGHT ENGINE. MAINTENANCE ADJUSTED MICROSWITCH ON NR 2 ENGINE CONDITION LEVER. SYSTEM OPS CHECKED GOOD. (M)SDR ARWA980797Amplifier · failedMIA - FLT 239 - AFTER TAKEOFF, NR 3 ENGINE N1 INDICATOR FAILED. INDICATED 20.7 PERCENT AT ALL THRUST SETTINGS AND N2, HIGH READINGS DUMPED 5 LBS OF FUEL. CORRECTED BOTH N1 AND N2. REMOVED AND REPLACED NR 3 ENGINE SPEED CONTROL AMPLIFIER, OPS CHECKED ENGINE SDR SWIA971220Eec · malfunctionedON CLIMB-OUT LEFT EEC RED LIGHT/WHITE MANUAL REVERSION LIGHT WITH LEFT ENGINE SURGE. DURING EEC FAILURE CHECK LIST TORQUE INDICATED 115 PERCENT AND NP 45 PERCENT THEN INCREASED TO TORQUE 130 PERCENT AND NP APPROXIMATELY 21 PERCENT. PRECAUTIONARY ENGINE SHUT SDR COMA9860167Fcu · failedTHE NR 2 ENGINE HAD ROLL BACK DURING LANDING APPROACH. REPLACED THE FUEL CONTROL UNIT.SDR G6OA023Ecu · lightning strikeDURING CLIMB-OUT FROM CDG, THE FLIGHT CREW REPORTED LIGHTNING STRIKE. NR 1 ENGINE PARAMETERS WERE OUTSIDE THE NORMAL PARAMETERS. NR 1 ENGINE WAS SHUT DOWN, FUEL DUMPED IAW AOM VOL 1 AND RETURNED TO CDG. GROUND MAINTENANCE ACCOMPLISHED LIGHTNING STRIKE INSPESDR 98ZZZX2556Fuel Control · misadjustedFLAME-OUT OCCURRED DUE TO A LOW FUEL DENSITY SETTING. ONCE PROPER DENSITY IS SET, NO FURTHER PROBLEMS OCCURRED.SDR HEEA0014935Controller · faultyDECELLERATION IN-FLIGHT.SDR SIMA981653Fadec · overheatedIND - FLT 4209 - RECEIVED SIMULTANEOUS EICAS (ENGINE INDICATING AND CREW ALERTING SYSTEM), MESSAGES, E1 CTL A FAIL, E2 CTL B FAIL. FLIGHT CREW NOTICED SLIGHT SMELL LIKE BURNING ELECTRICAL. RESET FADECS (FULL AUTHORITY DIGITAL ELECTRONIC CONTROL SYSTEM ) FOR SDR CA980629001Fcu · failed(CAN) DURING START SEQUENCE, THE TEMPERATURE EXCEEDED LIMITS OF 944 CELSIUS. HOT START INSPECTION CARRIED OUT, NO PROBLEMS. SUBMITTER STATED FCU FOUND TO BE CAUSE OF HOT START. PART TC: 1,350.SDR ARWA980602Fuel Contl Unit · failedAIR TURNBACK, AFTER DEPARTURE NR 3 ENGINE UNSPOOLED AND WHEN POWER LEVER WAS ADVANCED ENGINE WOULD NOT ACCELERATE. RETURNED TO TUS WITHOUT INCIDENT. INSPECTED ENGINE INLET, TAILPIPE, OIL AND FUEL FILTERS. NO DEFECTS NOTED. REMOVED AND REPLACED FCU, MAIN OISDR 98ZZZX2815Eec · failedORD - FLT 5712 - DURING CLIMB AT FL 180, NR 1 ENGINE LOST 20 PERCENT TORQUE AND INCREASED 40 DEGREES ITT. MAINTENANCE REMOVED AND REPLACED THE NR 1 EEC. SYSTEM OPS CHECKED GOOD. ACFT TT: 13,951 HOURS. ENGINE TT: 9,933. (X)
Back to JASC 7321