JASC 7320

Service difficulty reports · 4,393

Reports filed under 7320 · Fuel Controlling System, 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 = '7320'
  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 IXXA96161Mec Sense Line · obstructedEN ROUTE OAK TO TOL AT FL 37, SAT MINUS 48, FUEL QTY OF RESPECTIVE TANK 8000 LBS, NR 4 ENGINE FLAMED OUT. CREW ACCOMPLISHED SUCCESSFUL RESTART IAW COMPANY PROCEDURES. FLIGHT CONTINUED WITH NO FURTHER EVENTS. MAINTENANCE TROUBLESHOT THE EVENT IAW CFMI MM FAUOct 18, 1996 · N822BX · Doug DC871SDR 96UAL900821Fuel Control · out of adjustTHE LEFT ENGINE POWER FLUCTUATED DURING CLIMB BETWEEN FLIGHT LEVEL 350 TO 390. THE DISCREPANCY WAS CAUSED BY THE FUEL CONTROL UNIT BEING OUT OF ADJUSTMENT. CORRECTIVE ACTION TAKEN WAS TO MECHANICALLY ADJUST THE DECELERATION SCHEDULE OF THE FUEL CONTROL. OPEOct 18, 1996 · N601UA · Boeing 767222SDR 96ZZZX5739Valve · mismanufacturedWOODWARD HMU WAS RECENTLY RETURNED FROM SINGAPORE AIRLINES DUE TO A REPORTED COMPLAINT OF 'HP FUEL VALVE DID NOT OPEN DURING ENG START'. THE SUBSEQUENT INVESTIGATION REVEALED THAT THE FUNCTIONAL OBSERVATION WAS THE RESULT OF AN IMPROPERLY MACHINED PART. P/N Oct 17, 1996SDR VTZA97017Fuel Control · out of adjustFLT 900 - LYH-IAD - ABORTED TAKEOFF OF FLIGHT, DUE TO THE LEFT ENGINE SHOWING LOW RPM. AIRCRAFT RETURNED TO THE GATE WHERE THE MAINTENANCE TECHNICIANS TROUBLESHOT THE DISCREPANCY AND ADJUSTED SCREW 'X' FOR THE LEFT ENGINE. AIRCRAFT WAS RELEASED AND APPROVED Oct 11, 1996 · N486UE · Bag JETSTM3201SDR 9621779883Pt2 Line · leakingDURING CLIMB, THE RIGHT ENGINE EPR WAS INDICATING A HIGH READING. CREW PERFORMED AN AIR TURNBACK WHERE THEY LANDED AT MSP WITHOUT FURTHER INCIDENT. MAINTENANCE REPAIRED A LEAK ON THE PT2 LINE, LEAK AND OPERATIONAL CHECK OK.Oct 11, 1996 · N983US · Doug DC932SDR RAIA961014P3 Gaskets · leaksMRY - FLT 4760 - RIGHT ENGINE WOULD NOT PRODUCE TARGET TORQUE. MAINTENANCE REPLACED THE RIGHT ENGINE P3 GASKETS. (M)Oct 8, 1996 · N859AE · Bag JETSTM3201SDR PCAA9600316Hmu · failedNR 2 ENGINE TORQUE SLOWLY REDUCING AT 14,000 FEET WITH POWER LEVER AT FIREWALL, TORQUE REDUCED TO 60 PERCENT. REMOVED NR 2 ENGINE OUTBOARD IGNITOR AND 1 OUTBOARD DIFFUSER TUBE, INSPECTED LP AND HP COMPRESSORS AND TURBINES, NO DEFECTS FOUND. INSTALLED IGNITORSep 29, 1996 · Dhav DHC8102SDR 96ZZZX5161Control Cable · bindingON FINAL APPROACH, COLLECTIVE WAS LOWERED TO START A DESCENT, ROTOR RPM OBSERVED HIGHER THAN NORMAL. THE COLLECTIVE WAS RAISED TO RESTORE ROTOR RPM TO NORMAL, BUT NO CHANGE WAS OBSERVED. PER THE MANUFACTURER'S FLIGHT MANUAL, THE FUEL FLOW CONTROL LEVER WAS USep 25, 1996 · N54EW · Snias AS350BSDR USAAF96102Fuel Contl Reg · failedRIC-PHL - FLT 1150 - AFTER TAKEOFF, NR 2 ENGINE REMAINED AT TAKEOFF POWER. CAPTAIN DISCONNECTED THE AUTOTHROTTLE AND ATTEMPTED TO SLOW ENGINE WITH THROTTLE. THIS DID NOT WORK. ENGINE EXCEEDED N2 LIMIT SO CAPTAIN SHUTDOWN THE ENGINE. FLIGHT RETURNED TO RIC Sep 22, 1996 · N893US · Fokker F28MK0100SDR RAIA960928P3 Gaskets · leaksFAT - FLT 4782 - LEFT ENGINE UNABLE TO PRODUCE TARGET TORQUE. MAINTENANCE REPLACED THE LEFT ENGINE P3 GASKETS. (M)Sep 21, 1996 · N866AE · Bag JETSTM3201SDR CA960930004Lp Compressor · fod damage(CAN) ON DEPARTURE, A SCREECHING SOUND WAS HEARD FROM #1 ENGINE, SINCE ALL ENGINE PARAMETERS WERE NORMAL THE FLIGHT CONTINUED. AFTER LANDING AND ENGINE SHUTDOWN SUBSTANTIAL DAMAGE WAS OBSERVED TO THE FAN. FURTHER INSPECTION REVEALED DAMAGE ALSO TO THE STATOR ASep 19, 1996 · Cessna 500CESSNASDR RAIA960913P3 Gaskets · leakingSTL - FLT 7342 - RIGHT BETA LIGHT ILLUMINATED AND WOULD NOT EXTINGUISH. MAINTENANCE REPLACED THE RIGHT ENGINE P3 GASKETS. (M)Sep 17, 1996 · N429AM · Bag JETSTM3201SDR CA970311012Fuel Contrl Unit · failed(CAN) ENGINE WILL NOT TOP. CANNOT OBTAIN ACCEPTABLE TORQUE. TAKE OVER MANUAL SPEED LEVER AND ENGINE IS NORMAL. PART TC: 1.Sep 17, 1996 · Carson S61LSKRSKYSDR 9619931145Sensor · failedDURING LANDING ROLLOUT, THE NR 1 AND NR 3 ENGINES EXPERIENCED REVERSE STALL SIMULTANEOUSLY. BOTH ENGINES WERE SHUT DOWN DUE TO INCREASING EGT AND AIRCRAFT TAXIED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED BORESCOPE INSPECTION OF THE NR 3 ENGINE Sep 14, 1996 · N145US · Doug DC1040SDR VTZA96375Probe · failedFLT 6267 - IAD - BTV - DURING CRUISE AN UNSCHEDULED LANDING DUE TO RIGHT IEC FAULT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REMOVED AND REPLACED AIR RETURN DELTA P/P, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERSep 13, 1996 · N302UE · Jetair JETSTM4101SDR 96NK197Pt2 Line · cloggedLOG PAGE 028762. FLT ORH/UCA DIVERTED ACY - NR 2 EPR GAUGE READS HIGH AT POWER SETTING ABOVE IDLE WITH ALL OTHER ENGINE PARAMETERS MATCHED. CORRECTIVE ACTION: TROUBLESHOT PER MM CHAPTER 77-11-2. FOUND MUD DEBRIS IN NOSE BULLET LINE. REMOVED DEBRIS AND DIDSep 5, 1996 · N969ML · Doug DC931SDR UIEA9610Ps4 Tube · brokenEN ROUTE GRV-MEX - FLIGHT NR VG986 - NR 3 ENGINE FLAMEOUT FL 310. AIRCRAFT DIVERTED TO MAO DUMPED 40K FUEL. INSPECTION REVEALED A BROKEN PS4 TUBE TO THE FUEL CONTROL UNIT. FUEL FILTER SOME FOREIGN DEBRIS. REPLACE TUBE FILTER, OPS OK. (M)Aug 30, 1996 · N638FE · Boeing 747245FSDR TWRA96289Pt2 Probe · crackedON DESCENT FROM FL 390 THROTTLES RT BACK TO STOP, ENG AUDIBLE STALL ON NR 3 ENG. ENG SHUTDOWN, EGT 810 DEGREES CELSIUS. RELITE ATTEMPT AT FL 200 N2 40 PERCENT MAX EGT APPROACHED 650 DEGREE CELSIUS ENG SHUTDOWN SECOND RELITE ATTEMPT AT FL 110 WAS A NORM STARTAug 22, 1996 · N606FF · Boeing 747136SDR TWRA96283Pt2 Sense Line · looseENGINE NR 3 WAS SHUT DOWN IN FLIGHT AT FLIGHT LEVEL 360. DESCENDED MACH .85, SAT 45 DEGREE CELSIUS. TAT 15 DEGREES CELSIUS DUE TO RAPID RISE IN EGT WITH THRUST LEVER MOVEMENT (AFT) MAX EGT WAS 840 DEGREES CELSIUS IN FLIGHT START WAS SUCCESSFUL. MAINTENANCE Aug 21, 1996 · N606FF · Boeing 747136SDR VTZA96314Fcu Rod End · looseFLT 6233 - IAD-PWN - ABORTED TAKEOFF DUE TO LEFT ENGINE LOW TORQUE. AIRCRAFT RETURNED TO GATE NO FURTHER INCIDENTS. MAINTENANCE SECURED LOOSE ROD END ON FCU. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)Aug 19, 1996 · N314UE · Jetair JETSTM4101SDR 9617729864Fuel Control · water contamDURING TAKEOFF ROLL, THE NR 2 ENGINE EPR AND N1 INDICATIONS BEGAN FLUCTUATING. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE DRAINED FUEL CONTROL MOISTURE TRAP AND RAN ENGINE TO TAKEOFF POWER. ACCELERATION AND OPERATIONAL CHECK OK.Aug 14, 1996 · N773NC · Doug DC951SDR EIAA9627Throttle Linkage · looseDEN - LEFT ENGINE THROTTLE WOULD NOT RESPOND TO POWER REDUCTION ON DESCENT, PERFORMED ENGINE SECURING CHECKLIST. FOUND LEFT ENGINE FCU THROTTLE LINKAGE ATTACH BOLT BACKED OUT. INSPECTED BOLT, NUT AND LINKAGE ATTACH POINT. NO DEFECTS NOTED. REATTACHED LINKAAug 7, 1996 · N945F · Doug DC933FSDR AU961127Lever · broken(AUS) ENGINE FUEL CONTROL UNIT LEVER BROKEN OFF AT BASE - ENGINE RETURNED TO FLIGHT IDLE - SUSPECT PRE-EXISTING CRACK CAUSED BY IMPACTAug 6, 1996 · Emb EMB110P1SDR VTZA96289Fuel Control · out of adjustFLT NR 6508 - ROA-IAD - DURING TAKEOFF, ABORTED TAKEOFF DUE TO RIGHT ENGINE WOULD ONLY MAKE 78 PERCENT TORQUE ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED MAX FLOW STOP AND RANGE COMPENSATION. AIRCRAFT WAS RELEAAug 2, 1996 · N316UE · Jetair JETSTM4101SDR AU961099Regulator · faulty(AUS) NO2 ENGINE FUEL FLOW REGULATOR (FFR) SUSPECT FAULTYJul 30, 1996 · Fokker F28MK4000SDR 96ZZZX4326Fuel Computer · malfunctionLEFT ENGINE STARTED TO OVERTEMP COMING BACK TO FLIGHT IDLE. GROUND CHECKED OK. ADJUSTED FUEL COMPUTER FOR N1 OF THE DAY, OPS CHECKED GOOD NEXT FLIGHT.Jul 30, 1996 · N118DA · Lear 35ASDR M3HA96023Flight Idle Gate · lack of lubeLIH - FLT 733 - LOSS OF AIRCRAFT BRAKING AND NLG STEERING ON LANDING WITH NORMAL SYSTEM INDICATIONS IN COCKPIT. IDLE GATE WOULD NOT RELEASE MANUALLY FOLLOWING FAILURE TO RELEASE NORMALLY ON LANDING. FOUND FLT IDLE GATE STUCK IN FLT MODE. LUBED GATE LINKAGE Jul 25, 1996 · N4204G · Aerosp ATR42300SDR QXEA9600264Hmu · malfunctionedPDX - NR 2 ENGINE DOES NOT FOLLOW THROTTLE. STRONG SMELL OF FUEL ON FIRST START WITH NR 2 BLEED ON. NR 2 ENGINE HMU REPLACED I/A/W MAINT. MANUAL. ENGINE GROUND RUNS CHECKED GOOD, NO FUEL SMELL FROM BLEED. AIRCRAFT RETURNED TO SERVICE.Jul 24, 1996 · N829PH · Dhav DHC8102SDR RAIA960720P3 Gaskets · leaksSPI - FLT 7092 - LEFT ENGINE WOULD NOT PRODUCE TARGET TORQUE. MAINTENANCE REPLACED THE LEFT ENGINE P3 GASKETS. ENGINE TT, 9,934.5 HOURS. (X)Jul 21, 1996 · N342TE · Bag JETSTM3201SDR 96ZZZM1307P3 Line · crackedFLT 4982 - JFK - PRIOR TO DESCENT, THE RIGHT TORQUE IND WENT TO ZERO. RIGHT ENGINE WAS SHUT DOWN AS A PRECAUTIONARY MEASURE. AIRCRAFT LANDED IN JFK WITH NO FURTHER INCIDENT. FOUND LEFT P3 LINE CRACKED. REPLACED SAME. (M)Jul 21, 1996 · N269AT · Aerosp ATR42300SDR CA960828002P3 Tube · fractured(CAN) DURING FLIGHT THE #2 ENGINE BEGAN TO ROLL BACK UNTIL THE ENGINE REACHED MINIMUM FUEL FLOW. THE PILOT SWITCHED TO MANUAL, THE POWER WAS RESTORED AND THE FLIGHT COMPLETED. POST FLIGHT INSPECTION FOUND THE P3 TUBE WAS FRACTURED AT THE END OF THE TUBE.Jul 19, 1996SDR WTAA960146Tq Temp Sensor · chafed wireSEA - POWER LOSS REPORTED ON LEFT ENGINE ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE FOUND CHAFED WIRE AT LEFT ENGINE TORQUE TEMP LIMITING VALVE. REPAIRED WIRE. ENGINE GROUND RUN NORMAL. AIRCRAFT RETURNED TO SERVICE. (X)Jul 18, 1996 · N103XV · Bag JETSTM3101SDR RAIA960715P3 Line · leaksSTL - FLT 7512 - RIGHT ENGINE WOULD NOT PRODUCE TARGET TORQUE. MAINTENANCE REPLACED THE RT ENGINE P3 LINE. PERFORMED POWER RUNS. (X)Jul 18, 1996 · N431AM · Bag JETSTM3201SDR RAIA960714Gaskets · leaksSTL - FLT 7350 - RIGHT ENGINE WOULD NOT PRODUCE TARGET TORQUE. MAINTENANCE REPLACED THE RIGHT ENGINE P3 GASKETS. PERFORMED GROUND RUNS. ENGINE TT, 9,871.0 HOURS. (X)Jul 18, 1996 · N427AM · Bag JETSTM3201SDR 96ZZZM1243P3 Line · looseFLT 5627 - AFTER TAKEOFF RIGHT ENGINE ROLLED BACK TORQUE AND THEN STABILIZED AT ABOUT 1000 FT/LBS OF TORQUE, AIRCRAFT. RETURNED TO FIELD AT MCI. MAINTENANCE TIGHTENED P3 LINE C/W FLIGHT TEST RETURNED AIRCRAFT TO SERVICE. (M)Jul 17, 1996 · N182YV · Beech 1900DSDR CA960828001P3 Tube · fractured(CAN) ON APPROACH THE #1 ENGINE ROLLED BACK TO IDLE. THE ENGINE WAS SECURED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION FOUND A FRACTURED P3 TUBE NEAR THE COUPLING NUT ON THE FCU SIDE. THE TUBE HAD BEEN INSPECTED ON 22 MAY 1996.Jul 12, 1996SDR AU960959Pipe · loose(AUS) ENGINE POWER TURBINE GOVERNOR TO FUEL CONTROL UNIT PIPE (PC LINE)LOOSE AT FCU END - `B' NUT HOLDING BY APPROXIMATELY HALF A THREADJul 12, 1996 · Hughes 369ESDR GTIA96NK175Fuel Control · out of trimLOG PAGE 07467. ABORTED TAKEOFF. NR 1 ENGINE WOULD NOT PRODUCE TAKEOFF POWER MAX EPR 1.93 MAX N1 94.1 PERCENT, N2 100.1 PERCENT. CHECKED PT2 LINES FOR LEAKS, BLEW OUT (CLEANED). PERFORMED ENGINE TRIM RUN PER MM 71-00. ALL INDCATIONS CHECK NORMAL. LOCAL TJul 9, 1996 · N130NK · Doug DC941SDR DL767961630Ecu Cb · trippedGOT STRONG ELECTRICAL SMELL 30 MINUTES AFTER T/O, SMELL GREW FAINT AND WAS GONE IN 15 MIN. FOUND LEFT ENG CONTROL IDLE C/B OUT, LEFT IT OUT. INSPECTED COCKPIT CIRCUIT BREAKER PANELS, INSTRUMENT PANELS, GENERAL AREA AND E AND E COMPARTMENT, NO EVIDENCE OF BURJul 4, 1996 · N114DL · Boeing 767232SDR WTAA960147Bypass Valve · failedRDM - LEFT ENGINE TORQUE AND EGT FLUCTUATION REPORTED AFTER TAKEOFF POWER APPLIED ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. DEFERRED TTL SYSTEM PER MEL 76-2. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY REPLACING TTL Jul 1, 1996 · N103XV · Bag JETSTM3101SDR MALA965059Hmu · malfunctionedFLT 3344 - IN CRUISE FLIGHT FROM DTW, THE CREW NOTED INTERMITTENT TORQUE FLUCTUATIONS FROM THE LEFT ENGINE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU, P/N 786391-6, AND THE LEFT ENGINE HARNESS, P/N 3114792-02. THE TSCU WAS REPLACED AS Jun 30, 1996 · N833MA · Dhav DHC8102SDR CKSA96065Fuel Tube · crackedFUEL LEAK NR 3 ENGINE ON LANDING. REMOVED AND REPLACED FUEL CONTROL FUEL PRESSURE RETURN LINE. OPS CHECKS NORMAL PER MM CHAPTER 73-0, NO LEAKS NOTED DURING RUNUP.Jun 30, 1996 · N818CK · Doug DC862SDR WRLA96027Eec Data Plug · misinstalledDURING TAKEOFF ROLL, FLIGHT CREW NOTED NR 1 ENGINE WOULDNOT PRODUCE REQUESTED POWER (62,000 LB). ALL OTHER ENGINE PARAMETERS WERENORMAL. FLIGHT CREW CONTINUED TAKEOFF. HOWEVER, AT PIC'S OPTION, AIRCRAFTRETURNED TO POINT OF DEPARTURE (AIR TURN-BACK). AIRCRAJun 29, 1996 · N274WA · Doug MD11FSDR TC8A96047Ps4 Line · looseADVANCING NR 4 THROTTLE FOR T/O, COULD ONLY REACH 75 PERCENT N1 89.5 PERCENT N2 AND EPR OF 1.24. FOUND PS4 LINE LOOSE, TIGHTENED AND SECURED, OPS CKD ASPER MM 71-00 NORMAL.Jun 27, 1996 · N181SK · Doug DC862SDR 96ZZZM1132Ff Regulator · malfunctionedSTL - AFTER TAKEOFF SHUTDOWN NR 2 ENGINE, S/N 4413, DUE TO OVERSPEED AND NO RESPONSE TO THRUST LEVER MOVEMENT. FOUND INTERNAL MALFUNCTION IN FUEL FLOW REGULATOR MFG P/N FFR101MK10. REPLACED FUEL FLOW REGULATOR. ENGINE OPERATION THEN CHECKED NORMAL.Jun 24, 1996 · N31023 · Lkheed 10113851SDR 9613279858P/D Valve · malfunctionedDURING CLIMB, THE LEFT ENGINE OPERATING PARAMETERS BEGAN TO FLUCTUATE. THE AIRCRAFT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. GROUND MAINTENANCE REPLACED P AND D VALVE AND PERFORMED ENGINE GROUND RUN AND LEAK CHECK.Jun 17, 1996 · N767NC · Doug DC951SDR AU961074Regulator · faulty(AUS) NO1 ENGINE FUEL FLOW REGULATOR FAULTY - ENGINE OVERSPED TO 107% FOR APPROXIMATELY 10 SECONDS - EGT 710 DEGREES CJun 14, 1996 · Boeing 747238BSDR WTAA960125Fuel Cntrl Unit · out of adjustFAT - LT ENGINE WOULD NOT PROVIDE MINIMUM TORQUE FOR TAKEOFF. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE ADJUSTED MAXIMUM FUEL FLOW. ENGINE NORMAL DURING GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (X)Jun 9, 1996 · N429UE · Bag JETSTM3101SDR AU960850Fcu · faulty(AUS) ENGINE LOST POWER DURING TAKEOFF - INVESTIGATION COULD FIND NO FAULTS - SUSPECT FUEL CONTROL PROBLEMJun 9, 1996 · Beech 200BEECHSDR RAIA960602Bypass Valve · stuckFAT - FLT 4752 - RIGHT ENGINE DID NOT ACHIEVE TARGET TORQUE. MX REPLACED THE FUEL BYPASS VALVE. PERFORMED STATIC RUNS, OPS CHECK GOOD. (M)Jun 3, 1996 · N860AE · Bag JETSTM3201
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