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 96ZZZX2615Fuel Control · defectiveFOLLOWING POWER REDUCTION FOR DESCENT, WHEN THROTTLE ADVANCED, NO ENGINE RESPONSE. SELECTED ANTI-ICE OFF AND ENGINE RESPONSE INCREASED TO NORMAL OPERATION. SERVICE CENTER REPLACED BOTH ENGINE FUEL CONTROLS. TEST FLIGHT, ENGINE OPERATED, NORMAL AT ALL ALTITUSDR 96ZZZX2133Fuel Control · out of adjustFLT 1256 - UPON LANDING IN BKW, PILOT SELECTED BETA ON BOTH ENGINES, THE LEFT ENGINE WENT INTO REVERSE CAUSING THE AIRCRAFT TO VIOLENTLY PULL TO THE LEFT GOING OFF RUNWAY STRIKING RUNWAY LIGHTS AND CAUSING MINOR DAMAGE TO AIRCRAFT STUBWING. MAINTENANCE FOUND SDR 96ZZZX2237Fuel Control · faultyLEFT ENGINE WOULD NOT RESPOND TO POWER LEVER INPUT. ENGINE RPM INCREASED TO 100 PERCENT WITH POWER LEVER AT IDLE. ENGINE SHUT DOWN (PRECAUTIONARY) VIA NORMAL PROCEDURE. LANDING MADE. T/S, REPLACED DEFECTIVE FUEL CONTROL AND PUMP ASSY. REMOVED P/N 5002T94G4SDR UF6A960313Eec · failedFWA - FLT 5726 - RIGHT AUTOFEATHER WOULD NOT ARM DURING TAKEOFF. MAINTENACNE REMOVED AND REPLACED NR 2 EEC. (M)SDR CA960502027Fcu · failure(CAN) TIME THIS INSTALLATION 144.5 HOURS. BLUE GREASE LEAKING FROM BEARING. STAGNATED STARTS WHICH COULD NOT BE ADJUSTED USING FCU ADJUSTMENTS (ALREADY AT THE LIMITS). THIS FCU HAS PREVIOUS HISTORY FOR REMOVAL FOR SIMILAR REASON. FCU REPLACED AND AIRCRAFT RETUSDR MEJA960302Fuel Control · defectiveABORTED TAKEOFF DUE TO LOSS OF POWER TO THE RIGHT ENGINE. REMOVED AND REPLACED THE RIGHT ENGINE FUEL CONTROL. GROUND RUNUP CHECK SHOWED ALL ENGINE PARAMETERS NORMAL, NO DISCREPANCIES. AIRCRAFT WAS RELEASED FOR A FUNCTIONAL CHECK FLIGHT, ALL PARAMETERS NORMASDR CA960513004Fuel Contrl Unit · failed(CAN)OVER THE PAST SEVERAL DAYS, THE ENGINE HAD EXPERIENCED REPEATED SURGES. AFTER A LENGTHY TROUBLESHOOTING, THE PROBLEM WAS RESOLVED BY CHANGING THE FCU. THIS PARTICULAR UNIT HAD BEEN INSTALLED ONLY THRE E DAYS PRIOR TO THE ONSET OF THE SURGING.SDR CA960502029Fcu · failure(CAN) ENGINE STARTING TEMPS WERE TOO HIGH IN 35 PERCENT TO 50 PERCENT NG RANGE. START DERICH ADJUSTED TO FULL DECREASE. FCU REPLACED, AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZM765Moisture Trap · fullON TAKEOFF ROLL AT 95 KNOTS NR 2 ENGINE COMPRESSOR STALLED THREE. ABORTED TAKEOFF WITHOUT INCIDENT. INSPECTED NR 2 ENGINE BLEED SYSTEM OK, PBRC OK. OK ENG EXHAUST AND INLET CHECK OK. FOUND MOISTURE TRAP FULL ON FCU. CLEANED AS REQUIRED, PERFORMED ENGINE GSDR 96ZZZX2845Fuel Control · malfunctionedON FLIGHT 134, FL, ABORTED TAKEOFF, NR 2 ENGINE WOULD NOT REACH TAKEOFF EPR, FULL POWER = 1.80. REMOVED AND REPLACED FUEL CONTROL UNIT PER MM 73-00. NO LEAKS NOTED.SDR VTZA99117Fuel Contl Unit · failedFLT NR 6326 - IAD-ROC - DURING CLIMB-OUT, RETURNED TO IAD, DUE TO THE RIGHT ENGINE WOULD NOT MAKE TORQUE ON CLIMB-OUT. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE RIGHT FUEL CONTROL UNIT. AIRCRAFT WAS RELEASED AND APPROVED FOR SDR AU960340Fcu · faulty(AUS) NO4 ENGINE FUEL CONTROL UNIT SUSPECT FAULTY - TGT ROSE TO APPROXIMATELY 700 DEGREES C - ENGINE DISPLAY PANEL SHOWED TGTREACHED 929 DEGREES C FOR 3 SECONDSSDR 96ZZZM749Fuel Control · failedEN ROUTE TO ORD ON FLT 572 AT CRUISE POWER, NR 4 ENGINE DECELERATED BY ITSELF AND FLAMED OUT. ORD MAINTENANCE FOUND FCU SHAFT SHEARED. REPLACED FCU. (M)SDR DLM90960584Eec · failedON TAKEOFF ROLL AFTER ADVANCING THROTTLES, THE LEFT ENGINE SURGE LIGHT CAME ON WITH THE LEFT ENGINE IGNITION LIGHT. BOTH LIGHTS CAME ON AND OFF, 3 TIMES TOTAL. REPLACED LEFT ENGINE EEC PER MM. PERFORMED ENGINE FAULT, DISPLAY SYSTEM CHECK AND OPERATIONAL/IDLSDR DL72E960583Fuel Contl Unit · failedNR 1 ENGINE FLAMED-OUT AS TAKEOFF POWER WAS BEING APPLIED. C/A: REPLACED FCU AND FUEL PUMP. LEAK CHECKED AND RIGGED PER PFHB. OPS CKS OK.SDR DL72K960541Fuel Control · failedENGINE FAILURE, NR 3, AT LIFT-OFF - FUEL TO ZERO WITH NORMAL WIND DOWN INDICATIONS. REPLACED FCU AND ENGINE DRIVEN FUEL PUMP.SDR VTZA96108Fuel Contl Unit · failedFLT NR 6281 - HPE-IAD - ABORTED TAKEOFF, DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDETNS. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL UNIT. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE.SDR VTZA96112Fuel Contl Unit · out of adjustFLT NR 6416 - IAD-CHS - ABORTED TAKEOFF DUE TO LEFT ENGINE ONLY MADE 98 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED MAX FUEL FLOW. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR DL757960516Eec · failedDURING CLIMB-OUT THROUGH 7,000 FEET, LEFT ENGINE BEGAN TO SURGE REDUCING POWER. CORRECTED SURGING, BUT WHEN CLIMB POWER WAS AGAIN APPLIED, THE SURGING RESUMED. RETURNED LAX. REPLACED LT EEC. REPLACED LT PMA STATOR. REPLACED 14 STG CONVERTER VALVE AND 14 SSDR WTAA960050Fuel Contl Unit · failedSFO - NR 2 ENGINE FAILED TO ACHIEVE REQUIRED TORQUE ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE DEFERRED TTL SYSTEM PER MEL 76-2. ENGINE OPERATIONS REPORTED NORMAL DURING GROUND RUN WITH TTL OFF. AIRCRAFT RETURNED TO SERVICE. TTL SYSTEMSDR HEEA966784Fuel Control · defective10% TORQUE SPLIT WITH #1 HIGH AT 90% TORQUE. DURING TROUBLESHOOTING, IDLE SHIFTED TO 74% N1 AND THROTTLE WOULD SELF ADVANCE.SDR 96ZZZX2242Eec · malfunctionAMBER AND WHITE COMPUTER LIGHTS CAME ON AND ITT INDICATION WAS LOST FOR THE LEFT ENGINE; OTHERWISE, OPERATION WAS NORMAL IN-FLIGHT. ENGINE WOULD NOT START ON GROUND. NO ITT INDICATION CAUSED THE FADER TO ABORT START ATTEMPTS. REPLACED E.E.C. OPERATION NORMSDR 96ZZZX1630Spider Valve · seizedENGINE SHUT DOWN IN TEST CELL DURING POST-RENTAL INSPECTION TEST. THE ENGINE WAS AT FULL POWER AT THE TIME OF SHUT DOWN. REMOVAL OF THE FUEL CONTROL SHOWED A SHEARED DRIVE SHAFT. REMOVAL OF THE HYDRAULIC HOUSING FROM THE LINKAGE HOUSING ON THE CONTROL SHOWESDR VTZA96096Fuel Contl Unit · failedIAD/PIT - FLT 36332 - DURING TAKEOFF AT 1730 HRS ON 2-27-96, ABORTED TAKEOFF DUE TO RT ENGINE TORQUE FLUCTUATING FROM 90 PERCENT TO 100 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED RT FUEL CONTROL UNIT. AIRCRAFT RELEASESDR CA960502008Fcu · failure(CAN) DURING CRUISE FLIGHT, A TEMPORARY FLAMEOUT OCCURRED. AFTER 3-4 SECONDS, ENGINE CAME BACK ON LINE. FCU WAS REPLACED. TIME SINCE LAST REPAIR IS 189.3 HOURS. THE SUBMITTER STATES THAT THIS PARTICULAR FCU HAS A HISTORY OF PREMATURE REMOVALS.SDR CA960312032Fcu · failure(CAN) TIME THIS INSTALLATION SINCE LAST REPAIR 189.3 HOURS. IN FLIGHT EXPERIENCED A TEMPORARY FLAMEOUT. AFTER 3-4 SECONDS, ENGINE AND ROTOR SPEEDS BACK UP TO NORMAL. FLIGHT RESUMED TO BASE WITHOUT FURTHER INCIDENT. PAST HISTORY OF THIS FCU IS ONE OF MANY PSDR CA960320004Fuel Contrl · malfunction(CAN)ON DESCENT AFTER EXTENDED CRUISE AT 43K, WHEN INCREASING POWER FROM FLIGHT IDLE AT AROUND 20K, #1 ENGINE FAILED TO RESPOND UNTIL A MUCH LOWER ALTITUDE AND WARMER TEMPERATURE REACHED. MINIMUM FUEL FLOWADJUSTED AND FLOWN OK. THREE MONTHS LATER SAME MALFUNCTSDR 9604769924Fuel Control · failedNR 1 ENGINE EPR INDICATION WAS BELOW TARGET ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE FUEL CONTROL UNIT WITH A SERVICEABLE COMPONENT. SUBSEQUENT RUNUP WAS SATISFACTORY.SDR CA960312022Fcu · internal failure(CAN) ENGINE DECELLERATED IN CRUISE TO 345 NR RPM. FCU REPLACED AND HELICOPTER RETURNED TO SERVICE.SDR 9604256615Fuel Control · malfunctionedDURING TAKEOFF, THE NR 2 ENGINE FAILED TO REACH TAKEOFF POWER. CREW ABORTED TAKEOFF AT 60 KNOTS AND RETURNED TO THE GATE. FOUND HYDRAULIC STAGE PRESSURE TO BE ZERO. REPLACED FUEL CONTROL AND FUEL PUMP. THE NR 2 ENGINE HIGH POWER RUNUP CHECK WAS NORMAL AND SDR 96ZZZX1081Fuel Control · malfunctionAFTER ENGINE START, ALL OPS NORMAL IDLE PLUS OR MINUS 2 PERCENT. ADVANCED POWER LEVER TO FLY POSITION, ENGINE RPM STAYED AT IDLE 50 PLUS OR MINUS 2 PERCENT. STAYED IN FLY POSITION FOR 10 MINUTES, NO CHANGE IN RPM. BROUGHT POWER LEVER BACK TO IDLE FOR 10 MISDR 96ZZZX2124Connectors · dirtyFLT 4168 - LEFT ENGINE ECU (ELECTRONIC CONTROL UNIT) FAILED IN-FLIGHT. AIRCRAFT RETURNED TO FIELD, AIRCRAFT LANDED WITHOUT INCIDENT. PIT MAINTENANCE REMOVED, CLEANED, AND REINSTALLED THE CANNON CONNECTORS FOR THE NP AND P1.8 SENSORS. ALSO, THE CONNECTORS OSDR GLBA96005Fcu · failedRIGHT ENGINE TORQUE FLUCTUATES ON TAKEOFF. PRECAUTIONARY SHUT DOWN OF RIGHT ENGINE WAS ACCOMPLISHED. MAINTENANCE REPLACED THE PROPELLER GOVERNOR, FUEL CONTROL UNIT, AND HIGH PRESSURE PUMP (FUEL). PROPELLER GOVERNOR DID NOT FIX PROBLEM, BUT REMAINS INSTALLEDSDR CA960320020Diaphragm · broken(CAN)ON APPROACH WITH #1 POWER LEVER RETARDED TO FLIGHT IDLE, #1 ENGINE INDICATED 40 PERCENT TORQUE. IT TOOK ABOUT ONE MINUTE TO SLOWLY REDUCE TO ABOUT 20 PERCENT TORQUE. LEFT HAND FCU P3 DIAPHRAGM REPLACE D.SDR AWXA960058Eec · failedPHX/SAN - FLT NR 860 - AIR TURN BACK, ENGINE 1 SENSOR FAULT, ECAM MESSAGE ENGINE SURGED AFTER TAKEOFF AND THEN STABILIZED. REMOVED AND REPLACED NR 1 ENGINE EEC PER CARD R9E73301. (M)SDR 96FDEA00195Fuel Control · failedAT IDLE POWER NR 3 ENGINE FAILED TO RESPOND TO THROTTLE MOVEMENT. CONTINUED OPERATION UNTIL NR 3 GEN FAILED. ACCOMP ENGINE SHUTDOWN PROCEDURES IAW CHECKLIST PROCEDURES AND LANDING UNEVENTFUL. REMOVED AND REPLACED MAIN FUEL PUMP AND FUEL CONTROL UNITS AS PERSDR CA960222008Bearing · failed(CAN) ON DESCENT, ENGINE WENT TO IDLE AND WOULD NOT RESPOND TO FURTHER INPUTS. REMOVED FCU - FOUND DRIVE SHAFT FLOPPING AROUND INSIDE HOUSING.SDR RAIA960210Fuel Control · out of adjustSTL - FLT 7332 - AFTER TAKEOFF, LT RPM WOULD ONLY MAKE 97 PERCENT. MAINTENANCE ADJUSTED SCREW 'X'. PERFORMED GROUND RUNS, OPERATIONAL CHECK GOOD. ENGINE TT, 4,598.7 HOURS. (X)SDR 96ZZZX1236Fuel Control · failedSTL - FLT 296 - DURING APPROACH, NR 2 ENGINE, SN 3232, SPUN DOWN. COMPLETED SHUTDOWN CHECKLIST. FOUND INTERNAL MALFUNCTION IN FUEL CONTROL, MFG PN 769606-16. REPLACED FUEL CONTROL AND ENGINE OPERATION CHECKED NORMAL. ENGINE TT: 31,831 HOURS; 16,687 CYCLESSDR CA960312030Fcu · failure(CAN) TIME THIS INSTALLATION 1001.1 HOURS. UNABLE TO ADJUST FOR SLOW COLD STARTS. ALSO CAUSING A BURBLING SOUND NEAR TOP END OF START - SUSPECT COMPRESSOR STALL DUE TO FCU. FCU REPLACED, HELICOPTER RETURNED TO SERVICE.SDR 97ZZZX2474Eec · malfunctionELECTRONIC ENGINE CONTROL INSTALLATION. TROUBLESHOOTING SOFTWARE. EEC PUTTING OUT ERRATIC AND FALSE INFORMATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. CORES RETURNED TO MDHS FROM RNO.SDR AU960101Fcu · faulty(AUS) NO1 ENGINE FUEL CONTROL UNIT FAULTY - INVESTIGATION FOUND WEAR INTHE CDP PILOT BUSHING, NEEDLE BEARINGS AND BUSHING AND CDP LEVER ASSEMBLYSDR HEEA966518Fuel Control · defectiveENGINE SLOW AND HANG STARTS ON FIRST START OF DAY.SDR BDHA960004Fuel Control · out of adjustMSP - FLT NR 475 - CREW REPORTED A POWER LEVER SPLIT ON TAKEOFF AND RETURNED. THE ENGINE RIGGING WAS INSPECTED AND MAX POWER WAS ADJUSTED. ENGINE POWER RUNS WERE PERFORMED AND ALL INDICATIONS WERE NORMAL. A TEST FLIGHT WAS PERFORMED AND THE AIRCRAFT WAS RETSDR RAIA960136Fuel Control · out of adjustSTL - FLT 7058 - LEFT ENGINE WOULD ONLY ACHIEVE 97.5 PERCENT RPM. MAINTENANCE ADJUSTED SCREW 'X', PERFORMED GROUND RUNS, OPERATIONAL CHECK GOOD. ENGINE TT, 9,060.6 HOURS. (X)SDR P5CA9600022Fuel Control · malfunctionedNR 4 ENGINE FLAME-OUT AT 29,000 FT, ATTEMPTED ENGINE RESTART, UNSUCCESSFUL. FLIGHT RETURNED TO MIAMI. REPLACED FCU, FUEL PUMP, TT2 SENSOR IAW MM 73-11 01 AND 73-21 01. LEAK CHECK AND RUNUP OK.SDR AU960108Fcu · faulty(AUS) NO1 ENGINE FUEL CONTROL UNIT FAULTYSDR 96UAL900037Mec · malfunctionedNUMBER ONE ENGINE SURGED DURING CLIMB, N1 WENT FROM A TARGET OF 92 PERCENT TO 94.3 PERCENT. ALSO, HAD A 1,000 POUND INCREASE IN FUEL FLOW, THROTTLE WAS RETARDED AND ENGINE SURGED TWO MORE TIMES BEFORE IT STABILIZED. ENGINE SURGING WAS CAUSED BY AN INTERMITTESDR RAIA960122Ecu · failedSTL - FLT 7180 - NR 2 ECU FAULTED, COULD NOT RESET. MAINTENANCE REPLACED ECU, GROUND RUNS GOOD. ENGINE TT 14,383.1 HOURS. (X)SDR 9600959902Fuel Control · malfunctionedNR 2 ENGINE EPR INDICATION FAILED TO REACH TARGET ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO MAINTENANCE. THE FUEL CONTROL ASSEMBLY AND THE PT2 PROBE AND NOSE DOME ASSEMBLY WERE REPLACED. THE AIRCRAFT RETURNED TO SERVICE.
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