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 CA070911010Fuel Control · faulty(CAN) - MANUAL MODE SELECTION PROVIDES IDLE ONLY FUEL. NO SPOOL UP WITH POWER LEVER INCREASE. ENGINE FUNCTIONS NORMALLY IN AUTO - COMPUTER (ON) MODE. (TC NR 20070911010)SDR CA071003019Fuel Control · faulty(CAN) IN FLIGHT, ENGINE POWER REDUCED UNCOMMANDED AND THE ENGINE WAS SHUTDOWN. AN IN-FLIGHT RELIGHT ATTEMPT WAS UNSUCCESSFUL. SUBEQUENT INSPECTION REVEALED A FAULTY FUEL CONTROL UNIT. (TC NR 20071003019)SDR DL757071061Fuel Control · malfunctionedON APPROACH INTO SNA, GOT THE FOLLOWING ORDER OF EVENTS, LT ENGINE OIL PRESSURE ON EICAS AND THE OIL PRESSURE DISCREET LIGHT CAME ON, FOLLOWED BY THE ENGINE ROLLING BACK TO OFF. FLIGHT CREW ELECTED TO DIVERT TO LAX AND NOT LAND IN SNA. REPLACED FUEL CONTROLSDR CA071003014Fcu · unresponsive(CAN) ON DESCENT, THE ENGINE WAS FOUND NOT TO RESPOND TO THROTTLE INPUT. THE FUEL CONTROL UNIT WAS REPLACED.SDR MWEA070162Eec · inoperativeLEFT ENGINE SYSTEM FAIL ALERT AND ENGINE POWER BEGAN TO DECREASE. REMOVED AND REPLACED LEFT ENGINE EEC.SDR SWAA073578Mec · erraticDIVERSION / DECLARED EMERGENCY, NR 2 ENG N1 ROLLBACK IND. REMOVED AND REPLACED NR 2 ENG MEC.SDR CA070914010Fcu · faulty(CAN) ON TAKEOFF ROLL, THE ENGINE CONTROL FAULT LIGHT ILLUMINATED AND ENGINE POWER WOULD NOT INCREASE TO THROTTLE INPUT. THE TAKEOFF WAS ABORTED. SUBSEQUENT INSPECTION REVEALED A FAULTY FUEL CONTROL UNIT. (TC NR 20070914010)SDR CA070717015Fuel Control · malfunctioned(CAN) ON TAKEOFF, THE FULL ENGINE POWER (43 PSI) WAS NOT ACHIEVABLE, 35 PSI WAS ALL THE ENGINE WOULD PRODUCE. THE PILOT REPORTED ENGINE WAS NOT CONTROLABLE WITH POWER LEVER WHEN PULLED TO IDLE (ENGINE AT 35 PSI TORQUE). ADVISED NOT TO TRY AND START THE ENGINE SDR CA070914006Hmu · malfunctioned(CAN) THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION IN CLIMB FOLLOWING TAKE-OFF. SUBSEQUENT INVESTIGATION IDENTIFIED A FAULTY HYDROMECHANICAL FUEL CONTROL UNIT. (TC NR 20070914006)SDR CA070726003Sleeve · cracked(CAN) PILOT STARTING A/C, THROTTLE OPENED, NO ENGINE LIGHT OFF OCCURED. OPENED ENGINE COWL TO INVESTIGATE, NOTICED FUEL DRIPPING FROM AROUND START DE-RICHMENT ADJUSTMENT OF FCU, ONTO THE STARTER GENERATOR. CONTACTED MAINTENANCE PERSONNEL TO INVESTIGATE. FUEL CSDR CA070914008Fcu · faulty(CAN) THE ENGINE LOST POWER ON APPROACH AND WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FAULTY MECHANICAL FUEL CONTROL UNIT. (TC NR 20070914008)SDR 07100701Fuel Control · faultyCLIMBING BETWEEN FL 370 AND 390, LEFT ENGINE RETARDED JUST ABOVE FLIGHT IDLE AND WOULD NOT RESPOND TO ANY THROTTLE MOVEMENT. AFTER DESCENT PASSING THROUGH FL 340 LEFT ENGINE RESPONDED THEN FROZE UP AGAIN. THE FLIGHT DIVERTED INTO CYQX. A MAINTENANCE TEAM WASDR CA070717002Fmu · unserviceable(CAN) STARTING T/O, NR 1 ENGINE DID NOT RESPOND TO THROTTLE IN TOGA POSTION. ENGINE REMAINED AT IDLE. AFTER 10 SECONDS L ENGINE FLAMEOUT CAUTION MSG. T/O ABORTED AT 40 KNOTS. MDC (MAINTENANCE DIAGNOSTICS COMPUTER) INTERROGATED BY MAINTENANCE. FAULT CODE 353 SDR ASMF200706005Fuel Control · failedCAPTAIN REPORTED THAT AFTER LT ENGINE WAS STARTED, THE EGT INCREASED UNTIL 475 DEGREES (C) WITH N2 IN 47 PERCENT, SO ABNORMAL PROCEDURE (SLOW ENGINE(S) ACCELERATION ON GROUND) WAS PERFORMED CONTINUING THE FAILURE. MAINTENANCE PERSONNEL SERVICED AND TESTED THSDR HEEA116033Fuel Control · malfunctionedDURING CRUISE FLIGHT NR 2 ENGINE TORQUE UNCOMMANDED WENT TO 105 AND N1 WENT 100. BROUGHT ENGINE UNDER CONTROL WITH THROTTLE. 5 MINUTES AFTER THAT THE NR 1 ENGINE OIL PRESSURE GAUGE WENT TO ZERO WITH NO OTHER INDICATIONS. IT STAYED THERE 5 MINUTES AND CAME SDR CA070619007Bolt · loose(CAN) OCCURRENCE WHERE THE ENGINE SPEED CONTROL DISENGAGED FROM THE FUEL CONTROL UNIT, RESULTING IN AN IN-FLIGHT SHUTDOWN OF THE ENGINE. SUSPECTED CAUSE WAS A LOOSE SELF LOCKING BOLT, P/N NK4-4A, AND OR A WORN NON METALLIC LOCKING INSERT ON THE NK4-4A BOLT. INSDR DL76L070705Bearing · failedN2 ENGINE INOP, AUTO-THROTTLES INOP-FADEC C1 MSG. FOUND N2 STATOR /ROTOR BEARING FAILED. FOUND EEC ALTERNATOR ROTOR/STATOR WORN AND EEC ALTERNATOR DR GEARSHAFT AFT BEARING DAMAGED. REPLACED EEC ALTERNATOR DRIVE GEARSHAFT AND BEARING ASSEMBLY AND ROTOR AND SSDR CA070605001Fcu · inoperative(CAN) DURING CLIMB AFTER DEPARTURE, THE CREW OBSERVED A SLOW DECREASE IN TORQUE ON THE NR 2 ENGINE AND WITH REDUCED FUEL FLOW. THE AIRCRAFT RETURNED TO POINT OF DEPARTURE AND LANDED WITHOUT FURTHER PROBLEM. MAINTENANCE REPLACED THE NR 2 FUEL CONTROL UNIT (FSDR 2007FA0000575Hmu · failedTHE PILOT REPORTED A LOUD THUD AND A SUBSEQUENT YAWING OF THE AC, WITH CONTINUED YAWING OF THE AC, AND NO INDICATION ON THE COCKPIT INSTRUMENTATION THAT HE NOTICED. THE PILOT DECLARED AN EMERGENCY AND PERFORMED AN AUTORATATIVE LANDING AT THE AIRPORT. THE VEHSDR 3732060207Hydromech Unit · uncontrollableON A LOCAL TRANSPORT FLT , THE AIRCRAFT LAUNCHED AT 0930 P.M. & FLT TO PICK UP THE PATIENT WAS UNEVENTFUL. THE HOSPITAL IS A 15 MIN. FLT. WITH THE PATIENT ON BOARD, (5 PAX TOTAL), AT 2000 FT. MSL IN CRUISE FLT AT 110 KTS & 3 OR 4 MINUTES INTO THE FLT, A LOUD JSDR 2007FA0000537Fcu · malfunctionedENGINE POWER LOSS AT ALTITUDE. ENGINE ROLLED BACK FROM 50 PERCENT. MFG TECH SUPPORT RECOMMENDS FCU REPLACEMENT. CAUSE UNKNOWN AT THIS TIME. (K)SDR NSVA20070137Fuel Control · malfunctionedABORTED TAKEOFF DUE TO POWER LOSS ON LT ENG. AT APPROX 40 KNOTS, LT ENG APPEARED TO ROLLBACK TO IDLE. INSPECTED NR 1 ENGINE FUEL CONTROL LINKAGES, GROUND RAN AIRCRAFT IAW PW MM 71-00-00, COULD NOT DUPLICATE DISCREPANCY, OPS CHECK GOOD AT THIS TIME.SDR HNAA0700084Ecu · malfunctionedNR 1 ENGINE TORQUE FLUX = OR - 10 PERCENT IN FLIGHT ALONG WITH ASSOCIATED NH, ITT, AND FUEL FLOW. RETURNED TO MDT. REPLACED NR 1 ECU OPS CHECK GOOD.SDR BAQA200700014Fuel Control · failedJUST PRIOR TO BEGINNING APPROACH TO DUKE. #2 ECU MAINTENANCE CAUTION LIGHT ILLUMINATED. AS PIC REDUCED POWER TO BEGIN LANDING APPROACH, #2 FMU (FUEL CONTROL) FAIL LIGHT ILLUMINATED. #2 ENGINE DROPPED TO 11% TORQUE. PIC TRANSITIONED TO SINGLE ENGINE GO-AROUND PSDR IG0R200743667Bearing · failedALLIED SIGNAL AEROSPACE (HONEYWELL) FUEL CONTROL UNIT (FCU)P/N 4138008-3, S/N C75067 RECEIVED FOR OVERHAUL AT INTERNATIONAL GOVERNOR SERVICES (IGS) CRS IG0R976N EXPERIENCED A SPOOL BEARING (P/N 2523973) FAILURE. THE FCU WAS REMOVED FROM PT6A ENGINE S/N PCE-PHSDR C2XA07IA107Fadec · malfunctionedIAH - FLIGHT 2326, THE CREW REPORTED THAT THE AIRCRAFT WOULD NOT COME OUT OF TAKEOFF MODE. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE THE FADEC 2A, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRASDR AC2A115393Fuel Control · malfunctionedDURING A TRAINING FLIGHT, WE WENT TO 3,500 FEET AND ENTERED AUTOROTATION BY RETARDING BOTH ENGINE LEVERS TO IDLE. AFTER ESTABLISHING A STABILIZED AUTOROTATIONAL GLIDE, I BEGAN THE RECOVERY BY FIRST MOVING THE NR 2 ENGINE LEVER BACK TO FLY. I THEN STARTED MOSDR 2007FA0000458Fuel Control · faultyPILOTS REPORTED THAT ENGINE THAT THIS FUEL CONTROL UNIT WAS INSTALLED ON COULD NOT BE CONTROLLED BY NORMAL COMPUTER MODE, AND THAT WHEN THEY WENT TO MANUAL MODE THAT THEY COULD NOT CONTROL ENGINE SPEED FUNCTIONS EITHER. IT SEEMS THAT THIS FUEL CONTROL HAS SOMSDR CA070503004Fuel Control · worn(CAN) ENGINE WAS SHUTDOWN DUE TO ABNORMAL INDICATIONS. ENGINE REMOVED AND SENT TO OVERHAUL FACILITY, FCU AND FUEL PUMP REMOVED, DAMAGE FOUND TO THE FUEL CONTROL QUILL SHAFT AND THE STUB SHAFT INTERNAL SPLINES. FCU AND FUEL PUMP REPLACED. NOTE: FCU HAD 780.4 HSDR DXTA200702123Fcu · malfunctionedLT ENGINE WOULD NOT DEVELOP FULL POWER FOR TAKEOFF. MAX POWER DEVELOPED WAS APPROXIMATELY 2 PERCENT N1 LOW, RIGHT ENGINE DEVELOPED FULL POWER. [SUP 05-02-07] VERIFIED DISCREPANCY. REMOVED AND REPLACED FCU WITH SERVICEABLE UNIT, CANNIBALIZED FROM OTHER AIRCRASDR SA07028Hmu · leakingDTW FLT 902 EN ROUTE CLT TO DTW, DURING DESCENT, BELOW FL 290, ENGINE 1 BEGAN TO RUMBLE AND VIBRATE. THE AUTOTHROTTLE WAS DISCONNECTED AND THE NUMBER 1 ENGINE WAS BROUGHT BACK IDLE AND THE VIBRATIONS STOPPED. AT 7,000 FEET AND 210 KNOTS, THE AUTOTHROTTLES WESDR CA070423008Fuel Control · leaking(CAN) NOTED LARGE FUEL LEAK UNDER THE AIRCRAFT IN THE HANGER. DETERMINED THE FUEL WAS COMING FROM AN ENGINE DRAIN. GROUND RAN THE ENGINE, FOUND THE FUEL CONTROL DRAIN LEAKING. REMOVED AND REPLACED THE FUEL CONTROL WITH AN OVERHAULED UNIT, NO FURTHER DEFECTSSDR NSVA20070097Control Unit · malfunctionedLT ENG TQ 40 PERCENT ON TAKEOFF ROLL AND THEN NORMALIZED. REMOVED AND REPLACED NR 1 DEC PN 6071T20P18, SN ON LMDT2171, SN OFF EMDT3020
IAW GEMM 74-00-00. PERFORMED HIG SPEED TAXI TEST, OPS CHECK GOOD.SDR DXTA200702070Eec · failedLT EEC FAILED TO MANUAL ON TAKEOFF ROLL AT 40 KIAS. TWO TIMES. ABORTED TAKE OFF. REMOVED BLEED SERVO AND INSTALLED NEW SERVO SN TR2508 IAW PW MM CH 75-50-01. OPERATIONAL CHECKS GOOD ON TORQUE MOTOR INSTALLED NR 40 ORIFICE IN BOV IAW PW545A MM CH 71-00-00. OSDR CA070514041Drive Shaft · sheared(CAN) THE ENGINE WAS FOUND NOT TO RESPOND TO THROTTLE INPUT AND SUBSEQUENTLY ACCELERATED UNCOMMANDED. THE ENGINE WAS SHUTDOWN ON APPROACH. SUBSEQUENT INSPECTION REVEALED A SHEARED FUEL CONTROL UNIT DRIVE SHAFT. (TC NR 20070514041)SDR CA070514034Fcu · faulty(CAN) DURING CLIMB, ENGINE POWER INCREASED UNCOMMANDED, RESULTING IN A TORQUE EXCEEDANCE. THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FAULTY FUEL CONTROL UNIT. (TC NR 20070514034)SDR COMA0760275Fuel Control · malfunctionedFLIGHT 5428 - LEFT ENGINE FLAMED OUT ON APPROACH, DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. REPLACED LEFT ENGINE FUEL CONTROL. NO FURTHER DEFECTS.SDR AWXA200700403Fuel Control · failedSAN - ABTO - CREW ABORTED THE TAKEOFF AT 100 KTS DUE TO LEFT ENGINE FUEL CONTROL FAULT. THE CREW SHUT DOWN THE LEFT ENGINE AND RETURNED TO THE GATE. MX REPLACED THE FUEL METERING UNIT PER AMM 73-22-52-000-01. OPERATIONAL CHECK WAS GOOD.SDR CA070321010Fcu · failed(CAN) THE ENGINE FLAMED OUT WHILE THE THROTTLE WAS BEING RETARDED DURING A PRACTICE AUTOROTATION. THE POSITION OF THE THROTTLE AT THE TIME OF THE FLAME OUT WAS NO WHERE NEAR THE POSITION IT NORMALLY CUTS OFF THE FUEL DURING NORMAL SHUTDOWN. AFTER CONDUCTING A SDR CA070514016Fuel Control · faulty(CAN) DURING DESCENT, THE ENGINE WAS FOUND NOT TO RESPOND TO THROTTLE INPUT, ACCOMPANIED BY A FUEL BOOST PRESSURE WARNING INDICTATION. THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FAULTY MECHANICAL FUEL CONTROL UNIT. (TC NR 20070514016SDR CA070705005Fcu · defective(CAN) IN FLIGHT THE ENGINE EXPERIENCED AN UNCOMMANDED ACCELERATION RESULTING IN AN OVER-TORQUE CONDITION. SUBSEQUENT INSPECTION REVEALED A FAULTY FCU. (TC NR 20070705005)SDR NWAA070749751Fcu · malfunctionedDURING DESCENT, AT 14,000 FT, NR 1 ENGINE FLAMED OUT. THE FLIGHT CREW DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE FUEL PUMP SHAFT SHEARED. THE FUEL PUMP AND FCU WERE REPLACED, THE ENGINE TRIMMED, TESTED AND RETURNED TO SSDR DXTA200701993Motor · failedNR 2 ENGINE EEC FAILED AFTER DEPARTURE PASSING THROUGH 10,000 FEET. AFTER CHECKLIST ITEMS WERE COMPLETE ENGINE COMPRESSOR STALLS CONTINUED. VERIFIED DISCREPANCY. INSPECTED AND FOUND DEBRIS INSIDE BOV TORQUE MOTOR AND SECONDARY ORIFICE. REMOVED AND REPLACED WSDR ASMF200702008Fuel Control · failedAIRCRAFT RETURNED TO PLATFORM DUE TO RT ENGINE DID NOT ACCELERATE. THE PARAMETERS WERE RT ENGINE N2 54 PERCENT, N1 29 PERCENT AND LT ENGINE N2 56 PERCENT, N1 26 PERCENT, EGT 472 RT AND 462 LT AND FUEL FLOW 87 RT AND 53 LT. AIRCRAFT WAS SENT TO THE HANGAR AND DSDR BAQA200700004Fuel Control · inoperativeDURING AN 800 HOUR INSPECTION, FOUND NR 1 ENGINE FUEL DEGRADE LIGHT WOULD NOT ILLUMINATE WHEN ENGINE PUT IN MANUAL MODE AND TWIST GRIP WAS ENGAGED. REMOVED AND REPLACED FCU 3 TIMES BEFORE TEST WOULD PASS. FUEL CONTROL P/N 0319858090 S/N ANR855, P/N 0319858240SDR ABXA070048Control Unit · malfunctionedAS CREW WAS ON FINAL AT ILN, GOING THROUGH 27K, NR 2 ENGINE HAD AN UNCOMMANDED SHUTDOWN. CREW RESTARTED ENGINE WITHOUT ANY FURTHER ISSUES. NO EMERGENCY DECLARED. NO EN ROUTE DELAY. REMOVED AND REPLACED NR 2 ENGINE MAIN ENGINE CONTROL IAW B767 AMM 73-21-01-SDR SA07012Ecu · failedCLT FLT 1576 EN ROUTE FLL TO CLT. THE LEFT ENGINE WENT TO IDLE THRUST IN FLIGHT. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED AN ELECTICAL CHECK ON THE J4 HARNESS AND WIRING. NO FAULTS WERE FOUND. MAINTENANCE REPLACED THE LEFT ENGINE SDR ASMF200702004Fuel Control · failedAIRCRAFT RETURNED TO PLATFORM, LT ENGINE DID NOT STABILIZE IN IDLE, THE PARAMETERS WERE THE FOLLOWING: EPR´S 1.03, N1 20, EGT´S 486 DEGREE C, N2 44, FF 9700 POUND. LT ENGINE WAS TRIMMED IN IDLE WITH EPR´S 1.03, N1 27, EGT´S 460, N2 55, FF 1160 IAW MM 71-00-00SDR CA070219006Fcu · faulty(CAN) DURING GROUND RUN, RT POWER LEVER FOUND NOT CONTOLLING FCU. INSPECTED THROTLE LEVER LINKAGES AND CABLE TO FCU AND NO FAULTS FOUND. AFTER TROUBLESHOOTING WITH MFG TECH SUPPORT, SUSPECTED FAULTY FUEL CONTROL UNIT. FCU HAS BEEN REPLACED AND FAULT ELIMINATEDSDR Z3S2007F00000Fuel Control · malfunctionedDURING THROTTLE UP ON TAKEOFF, LT ENGINE DID NOT PRODUCE POWER BEYOND IDLE THRUST. ABORTED TAKEOFF QUICKLY AFTER BRAKE RELEASE THEN TAXIED CLEAR OF THE RUNWAY, SHUT THE ENGINE DOWN AND RESTARTED. AT THIS POINT, THE PROBLEM COULD NOT BE DUPLICATED AND NORMAL
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