JASC 7321
Service difficulty reports · 2,878
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 HEEA083331Fuel Control · malfunctionedFUEL CONTROL PRODUCING HIGH STARTING TEMPS. ADJUST DOWN TO COLD ADJUST UP TO HOT. IN SHOP REPAIR.SDR HEEA083330Fuel Control · malfunctionedN2 WOULD NOT STAY AT SET RPM. FOUND N1 RESET GUIDE AND ROD ASSY WORN. REPAIRED FUEL CONTROL.SDR HEEA083329Fuel Control · malfunctionedN1 HUNG AT 20 PERCENT N1 AND COULD NOT BE INCREASED. SECOND ATTEMPT, START WAS NORMAL. REPAIRED.SDR HEEA083328Fuel Control · failedFUEL CONTROL UNIT PRODUCING HANG STARTS AND AFTER ONE ADJUSTMENT AIRCRAFT FLAMED OUT. START DERICHMENT ADJUSTER JAM NUT LOOSE. ALSO FOUND START DERICHMENT AND START ACCELERATION ADJUSTER ADJUSTED ALL THE WAY TO THE COUNTER CLOCKWISE STOP. RESET BOTH ADJUSTMESDR HEEA083327Fuel Control · malfunctionedFUEL CONTROL UNIT PRODUCING INTERMITTENT START. UNABLE TO VERIFY DIFFICULTY REPORTED. NO DISCREPANICES NOTED.SDR HEEA083492Fuel Control · malfunctionedNR 1 ENGINE SLOW TO ACCELERATE FROM 30 PERCENT THROUGH 50 PERCENT RANGE AND NO ADJUSTMENT LEFT. IN SHOP REPAIR.SDR HEEA083048Valve · stuckFUEL CONTROL VALVE IS STUCK IN THE NORMAL MODE.SDR ERAA082949Filter · cloggedFUEL CONTROL FLAMED OUT ENGINE AT IDLE. NO FUEL FLOW FROM NOZZLE OUTLET FUEL CIRCUIT FOUND CONTAMINATED. INLET FILTER PLUGGED. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-602E.SDR ERAA082948Fuel Control · contaminatedENGINE WILL NOT START, FUEL WON'T GO TO NOZZLE, HAS NEW SCREEN. FCU CONTAMINATED, REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15-602E (FUEL SIDE OF FCU FLUSHED DUE TO CONTAMINATION)SDR CA030109001Shaft · sheared(CAN) DURING TAXI OUT IN YYZ ON NR 1 ENGINE, THROTTLES WERE ADVANCED FOR TAXI AND ENGINE WENT TO 80 PERCENT N2 WITH RISE IN EGT & F/F. THROTTLE MOVED BACK TO IDLE & ALL PARAMATERS NORMAL. ADVANCED THROTTLE AGAIN AND SAME PROBLEM HAPPENED WITH RISE IN ALL PARSDR BAQA082774Fuel Control · failedENGINE "FLAMES OUT" AT FLIGHT IDLE WHEN BOOST PUMPS ARE TURNED OFF. REMOVED FROM ENGINE NR 12046. REPLACED FUEL CONTROL WITH SERVICEABLE UNIT.SDR DSF2003F00000Rod End · seizedUNABLE TO CONTROL ENGINE WITH POWER LEVER. ACCESS TOTAL INFLIGHT FEATHERING. FUEL CONTROL LINKING ROD END SEIZED, PREVENTED OPERATION OF FCU.SDR CA030108014Computer · malfunctioned(CAN) IN FLIGHT SHUTDOWN OF RT ENGINE DUE TO REOCCURANCE OF UNCONTROLLED FUEL IMBALANCE. CREW RECEIVED 'XFLOW/APU PUMP EICAS AMBER MESSAGE AFTER TAKEOFF, AFTER APU WAS SHUTDOWN'. ALSO HAD 'RT XFLOW SOV FAIL MESSAGE. REPLACEMENT OF : RT COMPENSATOR PROBE. RT SDR ALG2003F00000Fuel Control · surgesAFTER LANDING, WHILE AT FLIGHT IDLE THE ENGINE BEGAN TO SURGE, T.O.T. WOULD GO FROM 450C-500C AND N1 WOULD VARY FROM 60-61.5 PERCENT. THE MECHANIC CHECKED THE FUEL SAMPLE, INSPECTED THE EXTERNAL FUEL FILTER, FUEL NOZZLE SCREEN FOR CONTAMINATION, NONE FOUND, RSDR SDR020040Shaft · shearedDURING CLIMB OUT, THROUGH 1000 FT ALT ENGINE NR 1 FLAMED OUT. (FUEL FLOW AND EPR WENT TO ZERO. DURING TAKEOFF ALL ENGINE INDICATIONS WERE NORMAL. C/W AOM PROCEDURES AND RETURNED TO AIRPORT. REMOVED AND REPLACED FUEL CONTROL UNIT AND FUEL PUMP FUEL PUMP UNISDR IZ22003F00000Fuel Control · overtorquedON CLIMBOUT AT 15,000 FT, THE RT ENGINE EXPERIENCED AN OVERTORQUE CONDITION WITH NO SUBSEQUENT RESPONSE TO POWER LEVER MOVEMENT. ENGINE WAS IMMEDIATELY SHUTDOWN AND A SINGLE ENGINE LANDING WAS MADE. FUEL CONTROL WAS REPLACED BEFORE FURTHER FLIGHTS.SDR GSB2006DEC02Fuel Control · malfunctionedDURING CRUISE FLIGHT RIGHT ENGINE WOULD NOT DEVELOPE POWER, THE ENGINE WAS SHUTDOWN, THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. THE CAUSE OF THE ENGINE POWER LOSS WAS DETERMINED TO BE POSSIBLE (FUEL CONTROL UNIT) INTERNAL MALFUNCTION. THE FCU WAS REPLACEDSDR CA030108001Fuel Control · malfunctioned(CAN) NORMAL TAKEOFF. AFTER REDUCING COLLECTIVE TO 70 PERCENT, TURBINE AND ROTOR RPM AT 105 PERCENT. BEEPED DOWN WITH NO RESPONSE, COLLECTIVE WAS LOWERED TO SLOW DOWN AND ROTOR RPM WAS NOW 115-120 PERCENT. PILOT ROLLED BACK THROTTLE TO DISENGAGE GOVERNOR, RPSDR CA021231002Fuel Control · malfunctioned(CAN) WHILE STARTING, THE START WENT HOT & THE START WAS ABORTED. THE NEXT START WAS A VERY LONG START WITH THE N1 HANGING UP AT 71 PERCENT WITH NO ACCELERATION PAST 71 PERCENT. THE HELICOPTER WAS STARTED USING THE MANUAL FUEL CONTROL AND THE START WAS NORMAL.SDR 2002UALA01842Fuel Control · failedLOSS OF POWER TO NR 2 ENGINE. ENGINE RESTARTED. ENGINE WOULD NOT GO ABOVE IDLE. FCU CHANGED. BENCH CHECK SHOWED ACCEL & DECEL SCHEDULE UNDER LOW LIMITS, PROBABLE CAUSE OF POWER LOSS AT ALT 41K.SDR AWXA200201174Mec · faultyON DESCENT CAUTION PANEL INDICATED RT ENG FAILED. COMPLETED ENG SHUTDOWN. RESTARTED NR 2 ENG. MX REMOVED NR 2 ENG FUEL FILTER & INSPECTED FILTER & HIGH PRESSURE FUEL PUMP. ENG PERF & DETERIORATION TEST, POWER TRIM CHECK, CHECKS GOOD. FUEL FILTER REPLACED.SDR DHL2002743517Fuel Control · malfunctionedDURING ACCEPTANCE FLIGHT AFTER C CHECK, AFTER LANDING BROUGHT ENGINE INTO REVERSE THRUST. TOOK ENGINE OUT OF REVERSER PUSH THRUST LEVERS FORWARD AND ENGINE NR 3 FLAMED OUT. REMOVED AND REPLACED NR 3 ENGINE FCU AND FUEL PUMP, FUEL HEATER ASSY. OPS AND LEAK CHSDR ENH2003F00000Fuel Control · inoperativeRT ENGINE NO DEVELOPING POWER (SHUT DOWN RIGHT ENGINE) REPLACED FCU AND HIGH PRESSURE FUEL PUMP W/OVERHAULED UNIT. WO NR 5352856 DATED MARCH 6, 02 (PUMP) 5284375 DATED 22 AUG O2 (FCU) GROUND RAN AND LEAK CHECKED GOOD. ADJUSTED IDLE SPEED TO 52 PERCENT.SDR AC2A081579Fuel Control · leakingFUEL CONTROL LEAKING FUEL FROM WHERE THE MAX FLOW STOP SHAFT ENTERS THE FUEL CONTROL BODY. THIS WAS FOUND DURING GROUND RUN, PRIOR TO TAKE-OFF. REPLACED FUEL CONTROL.SDR AUS20021358Eec · faulty(AUS) LH ENGINE SPOOLED DOWN. ENGINE ELECTRONIC CONTROLLER (EEC) PNO114E6112G1 AND FUEL METERING UNIT (FMU) PNO 8061-965 CHANGED ON ADVICE FROM MANUFACTURERS.SDR CA021204001Line · broken(CAN) THE GOVERNOR WAS LAGGING BEHIND. THE ENGINEER CARRIED OUT SOME ADJUSTMENTS BUT THE ADJUSTMENTS DID NOT HELP. A P3 AIR LEAK CHECK WAS CARRIED OUT AND THE ENGINEER DISCOVERED AIR LEAKING NEAR THE P3 AIR FILTER. FURTHER INVESTIGATION REVEALED THE LINE WAS BSDR AUS20021337Fcu · faulty(AUS) FUEL CONTROL UNIT FLYWEIGHT CLIP FAULTY. LIMITED INFORMATIONPROVIDED.SDR ALG2003F00021Fuel Control · failedDURING START, NR 1 ENGINE DID NOT EXCEED 30 PERCENT, PILOT ABORTED THE START AND USED BATTERY CART TO START THE AIRCRAFT. NO POWER FROM BATTERY CART, APU CIRCUIT BREAKER POPPED, UPON RESET THE PILOT OBSERVED A SPARK FROM THE OVERHEAD CIRCUIT BREAKER PANEL. TSDR CA021122007Fuel Control · failed(CAN) A/C DEPARTED WITH A 13,000 LB LOAD OF LOGS, COLLECTIVE WAS LOWERED TO DECREASE ENGINE POWER. CREW HEARD A SWOOSH SOUND & NR 2 ENG N1 UNDER-SPEED WARNING SOUNDED & WARNING LIGHTS ILLUMINATED INDICATING A SOFT STALL. JETTISONED LOAD AND EXECUTED INFLIGHT SDR 2002FA0001369Linkage · wornWHILE TROUBLESHOOTING A ROUGH RUNNING ENGINE, FOLLOWING PROBLEMS WERE FOUND WITH THROTTLE BODY. LINKAGE FROM THROTTLE ATTACH ARM TO FUEL CONTROL UNIT WAS EXCESSIVELY WORN. PIN ON THROTTLE BODY SIDE OF LINKAGE HAS SEVERELY WORN, AND AREA AROUND HOLE FOR COTTESDR AMWA044723Fuel Control · malfunctionedAFTER LANDING IN NEW ORLEANS, LOUISIANA ON FLIGHT 5518, THE LEFT ENGINE WENT INTO REVERSE. THEN N-1 INDICATOR REACHED 104 PERCENT THE ITT INDICATOR WENT TO 830 DEGREES AND THE TORQUE WENT TO 3800 LBS FOR 5 SECONDS THE LEFT ENGINE WAS THEN SHUTDOWN AND THE AIRSDR CA030103014Fuel Control · failed(CAN) TORQUE SPLIT REPORTED OF 6 TO 8 PERCENT IN CRUISE. AFTER A TEST FLIGHT TO DETERMINE WHICH GOVENOR WAS AT FAULT IT WAS DETERMINED THAT THE FCU WAS THE CAUSE FOR THE TORQUE SPLIT. THE FCU WAS REPLACED & A/C RETURNED TO SERVICE.SDR TU3R12042Control Rod · corrodedDURING RIGGING OF THE NR 1 FUEL SYSTEM, THE TECH STARTED TO ADJUST THE ROD END BEARING ON THE LOWER END OF THE CONTROL ROD FOR THE FUEL CONTROL UNIT AND THE CONTROL ROD FAILED APPROX 1 INCH FROM THE LOWER END. CORROSION STARTED IN THE INTERIOR OF THE ROD AND SDR VNAA0210022Connector · faultyDURING TAKEOFF, THE CREW RECEIVED CHIP DETECT LIGHT AND HAD A RIGHT HAND ENGINE SURGE. MAINTENANCE INSPECTED AND REPLACED THE CANNON PLUG AT THE ECU. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.SDR AUS20021220Fcu · faulty(AUS) NO1 ENGINE FUEL CONTROL UNIT SUSPECT FAULTY.SDR BAQA081130Fuel Control · failedENGINE WOULD NOT TOP. REPLACED WITH SERVICEABLE UNIT.SDR MALA020600Ecu · malfunctionedDURING FLIGHT NR 3158, LEFT ENGINE TORQUE SURGE INFLIGHT FOR 2-3 SECONDS. AN UNCOMMANDED POWER INCREASE ON LEFT ENGINE WITH ENGINE ICE OFF DESCENT CHECK COMPLETE POWER SET AT 80-85 PERCENT. INCREASED TO 120 PERCENT FOR 2-3 SECONDS, THEN RETURNED TO SET PWR TESDR SIMA200227902Fuel Control · malfunctionedXNA - FLT 3837 - DURING CRUISE FLIGHT CREW REPORTED AN INTERMITTENT CAUTION MESSAGE ON EICAS WITH AN ENGINE ONE ITT SPIKE. CREW DECLARED AN EMERGENCY, REDUCED POWER AND CONTINUED TO XNA AND LANDED WITH NO FURTHER PROBLEMS. MAINTENANCE RESET FADECS, OPERATIONSDR AUS20021108Fmu · faulty(AUS) LH ENGINE SPOOLED DOWN. FUEL METERING UNIT (FMU) PNO 18061-965AND ENGINE ELECTRONIC CONTROL (EEC) PNO 114E6112G119 CHANGED ON ADVICE FROM MANUFACTURERS.SDR ERAA081161Fuel Control · malfunctionedNR 2 ENGINE HANGS AT 50 PERCENT N1 FOR 3-5 SECONDS THEN RAPIDLY ACCELS TO 537 DEGREES N1. REPLACEMENT FIXED PROBLEM. FUEL CONTROL OVERHAULED, CLOSE TO TX REQUIRES MODS, CEB'S. OVERHAULED IAW HONEYWELL OHM FOR 15-602E.SDR ERAA081160Fuel Control · malfunctionedFUEL CONTROL CAUSES ROTOR DROOP, UNIT OVERHAULED IAW HONEYWELL OHM FOR 15 602E.SDR ERAA081159Fuel Control · malfunctionedFUEL CONTROL CAUSES HOT STARTS AND SLOW ACCELERATION. REPAIRED AND TESTED IAW HONEYWELL OHM FORM 15 602E CEB 1382 EMBODIED.SDR AUS20021064Hmu · faulty(AUS) NR 2 ENGINE HYDROMECHANICAL UNIT (HMU) FAULTY.SDR CA020919002Eec · failed(CAN) ON APPROACH, ENGINE NR 2 FADEC FAULT. ECAM ACTION FOLLOWED ENGINE NR 2 SHUTDOWN FOR LANDING. POST FLIGHT REPORT INDICATED ENGINE NR 2 FADAC FAULT SOURCE DMC3 IDENT EIVMU, AFS, FWS. NR 2 ENGINE EEC REPLACED AND ENGINE GROUND RUN CARRIED OUT AND CHECKED SDR MEX2002299Fuel Control · failedFLT 600 - MEX-ATL - AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCE OF AN STARTING FAILED OF THE RIGHT ENGINE. AT POSITION 24, TECHNICIANS TRIED STARTING AGAIN AND ENGINE REACHED 52 PERCENT OF N2 BUT EGT'S WERE HIGH. AT HANGAR, THE FMC WAS REPLACED IAW MM 73-21SDR AUS20021021Plug · wrong part(AUS) RT ENGINE RATING PLUG ON THE ENGINE EEC WAS INCORRECT PART NUMBER. PERSONNEL/MAINTENANCE ERROR.SDR CA020911001Fuel Control · leaking(CAN) AFTER TAKEOFF THE TORQUE ON THE RT ENGINE DROPPED APPROXIMATELY 10 PERCENT. PILOT ADVANCED THE THROTTLE TO COMPENSATE. WHEN THE TORQUE DROPPED AGAIN THE PILOT ADVANCED THE THROTTLE AGAIN THEN DECIDED TO RETARD THE THROTTLES AND COME BACK TO LAND. MAINTSDR S2YA02035Fuel Control · inoperativeDURING FLIGHT, DURING INITIAL DECENT INTO THE RIGHT ENGINE STARTED LOSING POWER. THE CREW DIVERTED AND MADE AN UNEVENTFUL LANDING. MECHANIC INSPECTED THE AIRCRAFT AND REPLACE THE RIGHT ENGINES HIGH PRESSURE FUEL PUMP FOR TROUBLE SHOOTING BUT IT DID NOT FIX TSDR SWIA200211199Connector · dirtyLEFT EEC MANUAL REVERSION FAILED ON TAKEOFF. ABORTED TAKEOFF. CLEANED CONTAMINATION FROM LEFT ENG EEC P1 CONNECTOR. RAN ENG, OPS CHECK GOOD.SDR SWAA022013Mec · malfunctionedNR 2 ENGINE FLAMED OUT ON DESCENT AT IDLE POWER. FUEL FLOW SHOWED 0, ALL OTHER ENGINE INDICATIONS (OIL PRESS, N1/N2) NORMAL. RESTARTED ENGINE AT 15,000 FEET AND RAN NORMAL TO LANDING AND SHUTDOWN. REMOVED AND REPLACED FUEL PUMP AND MEC PER MM.
Back to JASC 7321