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.

SDR 9514913217Ecu · malfunctionedDURING CRUISE AT FL 390, THE AUTO THROTTLE TRIPPED OFF AND THE NR 1 ENGINE N1 SPEED ACCELERATED TO 102 PERCENT FOR 41 MINUTES. CYCLING OF THE THRUST LEVER WAS NO HELP, DESCENDED TO A LOWER ALTITUDE AND SHUT NR 1 ENGINE DOWN. AFTER ALLOWING THE ENGINE TO COOLSep 27, 1995 · N317US · Airbus A320211SDR 95ZZZX6211Fcu · defectiveIN CRUISE FLIGHT, 60 PERCENT TORQUE WHEN ENGINE IS BEEPED TO 100 PERCENT, N2 TORQUE DROPS OFF 40 PERCENT, AND N1 DROPS OFF 10-15 PERCENT. SEEMS TO OPERATE NORMALLY WHEN N2 IS AT 98-99 PERCENT.Sep 26, 1995 · N911TG · Bolkms BK117C1SDR TWAA9574Fuel Control · failedSTL - DURING CLIMB, SHUT DOWN NR 3 ENGINE, S/N 1502, DUE TO ALL PARAMETERS WENT HIGH. FOUND ENGINE FUEL CONTROL SHAFT SHEARED. REPLACED FUEL CONTROL, MFG P/N 378201-7. GROUND RUNUP AND OPERATION CHECKED NORMAL. (M)Sep 25, 1995 · N52310 · Boeing 727231SDR RAIA950936Fuel Control · faultyMRY - FLT NR 4790 - LEFT ENGINE LOW TORQUE. MAINTENANCE REPLACED LEFT ENGINE FUEL CONTROL UNIT. GROUND RUNS REVEALED NORMAL TORQUE INDICATION. (M)Sep 22, 1995 · N871JX · Bag JETSTM3201SDR 95UAL900146Mec · failedABORTED TAKEOFF AT 110 KNOTS DUE TO NR 1 ENGINE AUTO-RETARDED TO 82 PERCENT. REPLACED THE MAIN ENGINE CONTROL. THE CAUSE OF THE POWER REDUCTION IS ATTRIBUTED TO A FAILED ROTABLE VARIABLE DIGITAL TRANSDUCER.Sep 22, 1995 · N948UA · Boeing 737522SDR HEEA955801Fuel Control · leaksFUEL LEAKS FROM BY-PASS VALVE RETENTION PLATE. REPLACED WITH SERVICEABLE FUEL CONTROL.Sep 21, 1995 · N2249Z · Bell 206L1SDR 95UAL900136Eec · malfunctionedABORTED TAKEOFF DUE TO NR 1 ENGINE EEC LIGHT. ELECTRONIC ENGINE CONTROL WAS REPLACED PER FAULT ISOLATION MANUAL, SYSTEM CHECKED O.K. CONTROL WAS BENCH CHECKED IN THE SHOP WITH NO FAULTS FOUND. SUSPECT LOOSE CONNECTION WHEN INSTALLED.Sep 18, 1995 · N604UA · Boeing 767222SDR 95ZZZM569Fuel Control · defectiveFLT NR 4127 - SHORTLY AFTER TAKEOFF, WHILE SETTING CRUISE POWER (97 PERCENT RPM) THE LEFT ENGINE FLAMED OUT. AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. PIT MAINTENANCE REMOVED AND REPLACED LEFT FUEL CONTROL IAW MM 73-00-00. GROUND CHECKSep 4, 1995 · N834JS · Bag JETSTM3101SDR 9513561155Fuel Control · malfunctionedTOP OF DESCENT, NR 2 ENGINE COMPRESSOR STALLED. SHUTDOWN ENGINE AND CONTINUED LANDING. BORESCOPED, PERFORMED PRECISION TRIM AND REPLACED ENGINE CONTROL.Sep 3, 1995 · N155US · Doug DC1040SDR RAIA950902Fuel Control · failedDEC - FLT 7303 - LEFT TORQUE 70 PERCENT. MAINTENANCE REPLACED LEFT FCU. GROUND RUNS REVEALED NORMAL OPERATION. AIRCRAFT TT, 9723.0. ENGINE TT, 8974. (X)Sep 2, 1995 · N428AM · Bag JETSTM3201SDR 95UAL900115Fuel Control · malfunctionedABORTED TAKEOFF AT 90 KNOTS WHEN A/C VEERED TO THE LEFT WITH FULL RIGHT RUDDER APPLIED. REPLACED THE FUEL CONTROL UNIT. THE FCU WAS OVERHAULED, BUT A SPECIFIC CAUSE OF FAILURE COULD NOT BE DETERMINED.Sep 1, 1995 · N7255U · Boeing 727222SDR 96ZZZX616Fuel Control · failureFAILURE OF DRIVE BEARINGS AND DAMAGE TO INTERNAL FLYWEIGHTS AND HOUSING CAUSED HIGH END TURBINE RUNAWAY RESULTING IN ENGINE OVERSPEED.Aug 29, 1995 · N50054 · Bell 206B3SDR 95ZZZX5541Fuel Control · faultyWHILE IN CRUISE FLIGHT, THE PILOT NOTICED A DECREASE IN MAIN ROTOR RPM AND THE NOSE OF THE HELICOPTER NOTICEABLY YAWED. THE PILOT DECREASED COLLECTIVE PITCH, BUT THE ENGINE POWER AND ROTOR RPM CONTINUED TO DECREASE. THE ENGINE DID NOT FAIL COMPLETELY. DURINAug 24, 1995 · N8639F · Hughes 369DSDR P5CA9500715Fuel Control · malfunctionedDURING CLIMBOUT EXPERIENCED SLUGGISH ENGINE RESPONSE NR 4 ENGINE AT FL 210. CLIMBING THROUGH FL 290 HEARD AUDIBLE STALL AND OBSERVED SUBSEQUENT TOTAL LOSS OF ENGINE POWER. ALL PARAMETERS DROPPED OFF INCLUDING EGT. RELIGHT OF ENGINE WAS NORMAL AND ENGINE PERAug 22, 1995 · N830FT · Boeing 747121SDR WTAA950246Eec · malfunctionedRDD - RIGHT ENGINE NH REPORTED AT 106 PERCENT ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. PERFORMED ENGINE GROUND RUNS. ALL ENGINE PARAMETERS REPORTED NORMAL WITH EEC OFF AND ON. ENGINE OVERSPEED TEST OPERATIONAL CHECK NORMAL. UNABLE TO DUPLICATE DAug 18, 1995 · N122AM · Emb EMB120RTSDR 9512692294Fuel Control · malfunctionedNR 2 ENGINE HAD A LOW FREQUENCY VIBRATION AT POWER SETTING ABOVE 65 PERCENT N2. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. THE ENGINE WAS INSPECTED AND BORESCOPED, NO DISCREPANCIES NOTED. MAINTENANCE REPLACED THE FUEL CONTROL UNIT RESTRICTOR TUBE WAug 18, 1995 · N294US · Boeing 727251SDR SWIA95618Fuel Control · failedLT ENGINE FAILURE AT 2,500 FEET WITH CLIMB POWER. RETURNED TO LAX. TORQUE FLUXUATED 65 TO 84 THEN TO 101. REPLACED HMU FUEL CONTROL, IAW MM 73-21-00, OPS CKS GOOD, NO LEAKS NOTED.Aug 14, 1995 · N224SW · Emb EMB120ERSDR 95ZZZX5539Fuel Control · malfunctionFUEL CONTROL WILL NOT RESPOND PROPERLY TO ADJUSTMENTS FOR START TEMPS. START TEMPS GO EITHER HOT OR COLD IN AN ERRATIC MANNER. RETURNED CONTROL FOR BENCH CHECK.Aug 14, 1995 · N603RA · Hiller UH12ESDR 9512679755Fuel Control · malfunctionedDURING CLIMB, THE NR 2 ENGINE N1, N2, AND EPR INDICATORS WERE FLUCTUATING. THE FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL CONTROL ASSEMBLY AND TESTED THE ENGINE. ENGINE PERFORMANCE WAS SATISFACTORY, THE AIRCRAFT RETURNAug 13, 1995 · N755NW · Doug DC941SDR 95ZZZM394Fuel Control · malfunctionedNR 3 ENGINE IN FLIGHT SHUT DOWN AT FL 350. ACCOMPLISHED EMERGENCY ENGINE SHUT DOWN PROCEDURES. AFTER SHUT DOWN, ENGINE WINDMILLED FOR 30 MINUTES, OIL PRESSURE 15-20 PSI. REMOVED AND REPLACED NR 3 ENGINE FUEL FILTER AND FUEL CONTROL. (M)Aug 11, 1995 · N806MA · Boeing 727225SDR CA950828012Fcu · failure(CAN)ENGINE FLAMED OUT WHEN THROTTLE WAS ROLLED BACK TO IDLE AFTER LANDING. DURING THE TWO PREVIOUS DAYS LEADING TO THE INCIDENT, THE IDLE HAD TO BE ADJUSTED THREE TIMES AND WOULD NOT STABILIZE. UNIT REPLACED, AIRCRAFT RETURNED TO SERVICE.Aug 5, 1995 · Bell 206BSDR SWIA95615Fuel Control · failedRT TORQUE UNCOMMANDED INCREASE AND DECREASE WITH LITTLE OR NO POWER LEVER INPUT. INSTALLED SERVICEABLE HMU AND T1.8 SENSOR.Aug 2, 1995 · N224SW · Emb EMB120ERSDR HEEA955519Fuel Control · defectiveFUEL CONTROL BY-PASS COVER RETENTION SCREW HEAD BROKEN (SHEARED)Aug 2, 1995 · N7074W · Bell 206LSDR VTZA95245Fuel Contl Unit · failedIAD/PHL - FLT 6455 - DURING CLIMB-OUT AT 0645 ON 8-1-95, RETURNED TO IAD DUE TO THE RT ENGINE ONLY MAKING 60 PERCENT TORQUE. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE FUEL CONTROL. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SAug 1, 1995 · N473UE · Bag JETSTM3201SDR SWAA950554Mec · malfunctionedAT 35,000 FT, CREW EXPERIENCED NUMBER 2 ENGINE FLAME-OUT. SUCCESSFULLY RESTARTED ENGINE AT 15,000 FT. AIRCRAFT DIVERTED TO ELP AND MADE A NORMAL LANDING. TROUBLESHOT AND BORESCOPED ENGINE, NO DEFECTS NOTED. REPLACED ENGINE FUEL SHUTOFF VALVE, ENGINE MEC ANJul 25, 1995 · N693AA · Boeing 737317SDR ABXA9500583Fuel Control · defectiveCREW SHUTDOWN NR 3 ENGINE DUE TO FLAME-OUT, UNABLE TO RELIGHT. FUEL PSI NORMAL, OIL PSI AND TEMPERATURE NORMAL, 6,450 LBS OF FUEL IN NR 3 MAIN TANK, 0002 Z, ALTITUDE 8,000 FT STRAIGHT AND LEVEL FLIGHT. DRIP STICKED NR 3 MAIN AND SUMPED TANKS, ALL CHECKED OK.Jul 23, 1995 · N813AX · Doug DC863SDR 95ZZZM294Fuel Control · failedDURING DESCENT SHUT DOWN RIGHT ENGINE, S/N 1605, DUE TO ENGINE DID NOT REDUCE TO IDLE WHEN THRUST LEVER WAS MOVED TO IDLE POSITION. FOUND FUEL CONTROL HAD INTERNAL MALFUNCTION. REPLACED FUEL CONTROL, MFG P/N 743602-5. ENGINE OPERATION CHECKED NORMAL. ENGINJul 23, 1995 · N928L · Doug DC934SDR 95ZZZX4503Fuel Cntrl Unit · failedDEN/BIL - FLT 8072 - THE LT ENGINE WAS SHUT DOWN DUE TO RPM FLUCTUATION FROM 13,000 RPM TO 15,000 RPM. AIRCRAFT RETURNED TO DEN. THE LT FUEL CONTROL UNIT WAS REPLACED. SUBSEQUENT GROUND RUNS AND TEST FLIGHT WERE SATISFACTORY.Jul 22, 1995 · N73301 · Cvac 34030SDR 9511165511Fuel Control · malfunctionedDURING TAKEOFF THE NR 1 ENGINE DID NOT REACH FULL TAKEOFF POWER, THE THROTTLES WERE CLOSED, BUT THE ENGINE DID NOT REDUCE TO IDLE. THE NR 1 ENGINE WAS SHUTDOWN AND THE MESSAGES LT ENG SEC CONT AND LT ENG PRI CONT WERE RECEIVED. THE LEFT FUEL CONTROL UNIT WASJul 21, 1995 · N511US · Boeing 757251SDR 95ZZZX4070Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4069Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4068Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4067Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4066Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4065Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4064Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4063Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX4062Screw · brokenWOODWARD HAS RECENTLY FOUND SEVERAL INSTANCES OF BROKEN SCREWS WHILE DIS-ASSEMBLING FUEL CONTROLS. THERE WAS NO FUNCTIONAL PROBLEM AS A RESULT OF THIS FAILURE. FURTHER INVESTIGATION HAS SHOWN THE BROKEN SCREWS ARE HARDER THAN THAT WHICH IS ALLOWED PER THE ENJul 19, 1995SDR 95ZZZX3583Fuel Control · failedENGINE LOST FUEL FLOW IN CRUISE FLIGHT. ENGINE SHUT-DOWN AND FEATHERED. TROUBLESHOOTING DETERMINED FUEL CONTROL FAILED. THE FUEL CONTROL UNIT HAD APPROXIMATELY 450 HOURS SINCE REPAIR BY WOODWARD.Jul 13, 1995 · N103RC · Mtsbsi MU2B36SDR HEED95299Valve · sticksSTICKS IN NORM POSITION CAN NOT SWITCH FCU TO ECONOMY MODE. REPLACE UNITJul 12, 1995 · N236X · Bell 230SDR REXA95044Fuel Control · failedPOWER CONTROL FOR RIGHT ENGINE WAS UNCONTROLLABLE. WITH ANY LITTLE MOVEMENT OF THE POWER LEVER, THE TORQUE WOULD FLUCTUATE UP TO 90 PERCENT TORQUE TO EITHER SIDE. REMOVED AND REPLACED RIGHT FCU IAW GMM AND PERFORMED GROUND RUNS. OK FOR SERVICE. (X)Jul 11, 1995 · N658BA · Bag JETSTM3101SDR 95ZZZX3740Fuel Control · malfunctionedPART WAS RETURNED FROM REPAIR AND INSTALLED ON THE AIRCRAFT ONLY TO HAVE THE SAME SYMPTOMS 1.5 HOURS LATER. COMPONENT HAS A FUEL SCHEDULING PROBLEM AND HAS BEEN SENT IN AGAIN ON ALLISON 250 REPORT NR A160211.Jul 10, 1995 · N5313Y · Hughes 369DSDR USAA950755Fuel Control · malfunctionedSYR - FLT 1518 - EN ROUTE BTV TO PIT, NR 2 ENGINE FLAMED OUT DURING FUEL CROSSFEED, RIGHT PUMPS OFF, LEFT PUMPS ON, CROSSFEED OPEN. FLIGHT CREW ACCOMPLISHED INFLIGHT RESTART AND DIVERTED TO SYR. SINGLE ENGINE TIME WAS 7 MINUTES. MAINTENANCE REPLACED AUX FUEJul 8, 1995 · N523AU · Boeing 7373B7SDR 95ZZZX3548Ecu · failedCHO/BWI - FLT 3201 - ON CLIMB-OUT, NR 1 ENGINE TORQUE UPTRIMMED TO 125 PERCENT. AT FLIGHT IDLE, STILL AT 110 PERCENT. CAPTAIN SHUT ENGINE DOWN IN-FLIGHT. AIRCRAFT DIVERTED TO RIC AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 1 ENGINE ELECTRONIC CONTRJul 7, 1995 · N912HA · Dhav DHC8102SDR CA950828004Fcu · failure(CAN)INCONSISTENT STARTS AND UNABLE TO SHUT DOWN ENGINE ON ONE OCCASION. FCU REPLACED, HELICOPTER RETURNED TO SERVICE.Jul 6, 1995 · Bell 206BSDR 9510679951Fuel Control · reqd serviceNR 1 ENGINE EPR FLUCTUATED WHILE ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AT 70 KTS, FLIGHT RETURNED TO THE GATE. MAINTENANCE DRAINED THE F.C.U. MOISTURE TRAP AND RAN THE ENGINE. NO DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE.Jul 4, 1995 · N9347 · Doug DC932SDR 9510669947Fuel Control · malfunctionedDURING CLIMBOUT, NR 1 ENGINE EPR AND FUEL FLOW INDICATORS WERE FLUCTUATING. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE, DRAINED THE F.C.U. MOISTURE TRAP, AND RAN THE ENGINE. NO ANOMALIES WERE NOTED. AIRCRAFT RETURNJul 3, 1995 · N8938E · Doug DC931SDR CAL950533Fuel Control · inoperativeEWR - FLT 0400 - THE NR 2 ENGINE PARAMETERS BEGAN TO FLUCTUATE WHEN CLIMB POWER WAS SELECTED. THE AUTO THROTTLE WAS DISCONNECTED, BUT THE PROBLEM REMAINED. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE Jul 2, 1995 · N83873 · Doug DC982SDR 95ZZZX4104Fuel Cntrl Unit · malfunctionedBNA - FLT 4684 - EN ROUTE TO TUP, LEFT ENGINE TORQUE STUCK AT 60 PERCENT. AIRCRAFT RETURNED TO BNA, SHUT DOWN LT ENGINE ON APPROACH AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE LT FUEL CONTROL. (X)Jun 30, 1995 · N915AE · Bag JETSTM3201SDR 95UAL900028Mec · failedRETURNED TO FIELD UNDER AMBER ALERT WITH NR 3 ENGINE SHUTDOWN. REPLACED MEC. SHOP INSPECTION OF MEC SHOWS EXCESSIVE LEAKAGE WITHIN THE CDP SENSOR, WHICH CAUSES A FUEL SCHEDULE SHIFT.Jun 30, 1995 · N1833U · Doug DC1010
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