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 DL757001354Eec · failedNR 2 ENG LOSS OF THRUST INTO ATL. NR 2 GEN DROPPED OFF LINE, LOW OIL PRESS INDICATED WINDMILLING N1 AND N2 PARAMETERS. ELECTED TO SHUT DOWN NR 2 ENG AS PER CK LIST. REPLACED NR 2 EEC.SDR CA000801026Fuel Control · failed(CAN) LEFT ENGINE MAJOR POWER FLUCTUATION, COMPUTER OFF NO CHANGE. OIL PRESSURE LIGHT ON 10-15 SEC. OIL PRESSURE RECOVERED. HYD. PUMP DROP TO 2000 PSI TANK LIGHT ON. 1) ENGINE GROUND UN ADJ. (IDLE, ADJ.) 1/2 TURN FLUCTUATION STOPPED ON HIGH POWER.. OIL PRESSURSDR 2000UALA00410Eec · failedRIGHT HAND ENGINE EXPERIENCED POWER FLUCTUATIONS. *S/D* REMOVED FUEL CONTROL UNIT, P/N 779100-5, REMOVAL CAUSE NOT CONFIRMED ON TEST STAND. REMOVED ELECTRONIC ENGINE CONTROL, (P/N 783600-14-071), OEM REPLACED FAILED PRESSURE TRANSDUCER.SDR CA000802002Fuel Control · failed(CAN) RT POWER LEVER STUCK IN CRUISE AT FLT LEVEL 280-680 LB/RT FF & APPROXIMATELY. 91 PERCENT N1 92.5 N2. QRH 1.11 CARRIED OUT (ENGINE SHUTDOWN) LDG IN WINNIPEG.REPLACED FUEL CONTROL UNIT & THROTTLE CONTROL GEARBOX, SYS RIGGED AS PER MAINT MANUAL 7 6-11-17, 7SDR SCNA00066Fuel Control · failedDURING THE TAKEOFF ROLL AT LAS, THE NUMBER TWO ENGINE WOULD NOT DEVELOP POWER ABOVE APPROXIMATELY IDLE POWER. THE TAKEOFF WAS ABORTED AT 60 KNOTS, RETURNED TO GATE. REMOVED AND REPLACED ENGINE NUMBER TWO FUEL PUMP AND FUEL CONTROL UNIT. OPERATIONAL AND LEAKSDR RAIA0006022Fuel Control · failed7314-STL- LEFT ENGINE ONLY MADE 50 PERCENT TORQUE ON TAKEOFF ROLL, TAKEOFF ABORTED. MAINTENANCE INSPECTED AND REPLACED LEFT ENGINE FUEL CONTROL UNIT.SDR SWIA971843Eec · failedRIGHT EEC FAILED DURING TAKEOFF, ABORTED IMMEDIATELY AT 40 KNOTS. CONNECTED EEC BREAKOUT BOX TO EEC FOUND SENSORS TO BE WITHIN PARAMETERS. CLEANED CANNON PLUGS AND REINSTALLED. RAN RIGHT ENGINE IAW MM 710000, BUT COULD NOT DUPLICATE DISCREPANCY. RIGHT ENGISDR SIMA1773Fcu · failedBOS - FLT 4976 - ON CLIMB-OUT RECEIVED FUEL 1 LOW LEVEL WARNING. FIVE MINUTES LATER, CREW RECEIVED A FUEL IMBALANCE CAUTION FOLLOWED BY A LEFT QUANTITY GOING BLANK. AIRCRAFT LANDED APPROXIMATELY 1,400 POUNDS OVERWEIGHT. FOUND FUEL CONTROL UNIT INOPERABLE. SDR SWIA971842Eec · failedLEFT EEC FAILED ON TAKEOFF ROLL. ABORTED TAKEOFF, CHECKED EEC SYSTEM. TROUBLESHOOTING FOUND VARYING RESISTANCE ON T18 WIRING. REPLACED LT EEC WIRE HARNESS 720110. ENGINE GROUND RUN GOOD (P/N 3039368) (S/N 8N175) ON, (S/N AA4313).SDR CA000713016Fuel Control · failed(CAN) FUEL CONTROL UNIT WAS REPLACED. ENGINE RUN CARRIED OUT, TEST OKAY.AIRCRAFT RELEASED TO SERVICE.SDR CA000712026Gear · failed(CAN) UPON SHORT FINAL ENGINE FLAMED OUT DUE TO THE DRIVE THAT TURNS THE FUEL PUMP AND FCU STOPPED. CAUSE UNKNOWN AT THIS TIME. AIRCRAFT LANDED WITHOUT INCIDENT AND THE ENGINE WAS REPLACED. AIRCRAFT RETURNED TO SERVICE. TEARDOWN TO BE ACCOMPLISHED THIS WEEK.SDR CA000614037Fuel Control · failed(CAN) UPON SHORT FINAL, ENGINE FLAMED OUT DUE TO THE DRIVE THAT TURNS THE FUEL PUMP AND FCU STOPPED. CAUSE UNKNOWN AT THIS TIME. AIRCRAFT LANDED WITHOUT INCIDENT AND THE ENGINE WAS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR CA000621008Bearing · seized(CAN) DURING CRUISE RT ENGINE FLUXUATES ALL PARAMETERS THAN DROPS TO GROUND IDLE. UNEVENTFUL LANDING. T/S P3,PY ALL SYSTEM FOR LEAKS AND OR BLOCKAGE - NONE FOUND. PULLED FCU AND FOUND DRIVE BEARING SEIZED AND DRIVE COUPLER BROKEN.SDR DHL2000720002Fcu · malfunctionedNR 1 ENGINE IDLE LOW 48 PERCENT N2 28.5 PERCENT N1 AFTER 12 SECONDS NR 1 ENG WAS NOT AT 1.6 EPR DID NOT MAKE T/O POWER AT 40 KTS/RTO. REPLACED NR 1 ENG FUEL CONTROL UNIT PER M/M 73-21-2. PERFORMED ENG POWER TEST PER JRH 06-04-02, ALL PARAMETERS CHK WITHIN LISDR 20001011AP015Eec · inoperativeFLT 8169 - DECLARED AN EMERGENCY AIR TURN BACK IN CUN, ENGINE NR 1 HAD STALL INDICATION ON ELECTRONIC CENTRALIZED AIRCRAFT MONITORING, ENGINE WOULD SURGE. REPLACED ELECTRONIC ENGINE CONTROL. PERFORMED FULL AUTHORITY DIGITAL ENGINE CONTROL OPERATIONS TEST ANDSDR CA001122011Screw · sheared(CAN) THE SCREW HEAD RETAINING THE FUEL CONTROL UNIT RATIO LEVER COVER (FUEL SIDE) SEPARATED IN-FLIGHT ALLOWING FUEL TO LEAK INTO THE ENGINE COMPARTMENT UNDER HIGH PRESSURE AND REDUCE THE FUEL FLOW TO THE ENGINE TO THE POINT WHERE CONTINUED FLIGHT WAS NOT POSSSDR CA000621036Hydro Mech Unit · failed(CAN) ON ENGINE SHUT DOWN ALL 4 MASTERS SELECTED OFF, NR 2 ENGINE CONTINUED TO RUN FOR 2 MINUTES. ELECTRONIC DE-CENTRALIZED AIRCRAFT MONITORING MESSAGE HIGH PRESSURE FUEL VALVE NOT NR 2 SHUT DOWN.CHANGED HYDROMECHANICAL UNIT, LEAK CHECKED AND IDLE TESTED NO FASDR CA001013016Fuel Control · malfunctioned(CAN) EXTREMELY HIGH LIGHT OFF TEMPERATURE. FUEL CONTROL REPLACED AND TURBINE REMOVED FOR INSPECTION.SDR CA001013013Fuel Control · failed(CAN) FUEL CONTROL UNIT COULD NOT BE ADJUSTED TO STABILIZE THE IDLE SPEED. AFTER THE START THE IDLE WOULD BE 61-62 PERCENT. BRING THE THROTTLE TO 100% AND BACK TO IDLE, THEN THE SPEED WOULD BE 68-72 PERCENT. FURTHER ADJUSTMENT WOULD NOT CORECT THE PROBLEM. ALSSDR AU000387Plate · damaged(AUS) NO3 ENGINE SEAL PLATE LOCATED AT THE MATING FLANGE BETWEEN THEMAIN ENGINE CONTROL (MEC) AND THE FUEL FLOW TRANSMITTER DAMAGED ALLOWING FUEL LEAKAGESDR CA000530019Rod · stripped(CAN) THE THREADS BENEATH THE INNER POSITIONING NUT ON THE INTERCONNECT ROD WHICH LINKS THE CUT OF LEVER (QUADRANT POINTER) TO THE MAIN CONTROL SHAFT HAD FAILED. THIS ALLOWED THE FCU CUTOFF LEVER TO MOVE INTO CUTOFF INITIATING AN UNCOMMANDED ENGINE SHUTDOWN.SDR CA000519015Shaft · sheared(CAN) NG AND ITT CLIMED BEYOND MANUFACTURES LIMITS. FCU FOUND TO HAVE SHEARED SHAFT.SDR DL72S000916Fcu · malfunctionedON CLIMBOUT, NR 2 ENG ALL INDICATORS FLUX AND EGT AT 580 DEG. REPLACED FUEL CONTROL.SDR CA000530065Seal · leaking(CAN) FUEL SMELL IN TAIL COMPARTMENT ON THEIR TRIP CHECK BEFORE DEPT. A/C REMOVED FROM SERVICE. FUEL LEAK AT ELBOW OF FITTING AT THE FCU TO SOLENOID VALVE. SEAL REPLACED.SDR 20000516SH018Fcu · malfunctionedAIRCRAFT WAS GROUNDED DUE TO PILOT REPORTED SQUAWK THAT ''HIGH ALTITUDE STARTS VERY DIFFICULT FOR BOTH ENGINES IN ADDISON, TX (ADS)''. BOTH SIDE FUEL CONTROLS AND FUEL PUMPS WERE REPLACED. (X)SDR DL76G000721Fcu · malfunctionedCREW REPORTS THAT RT ENG FUEL CENTRAL SWITCH WENT TO OFF WHILE HIS WAS RESTING ON SW/PEDESTAL. ENG N2 DROPPED ABOUT 7 PERCENT AND FUEL SW WAS PUT BACK TO THE ON POSITION WITH NO LOSS OF FLAME. MTC ETOPS CATEGORY ''A'': ANY IN-FLIGHT SHUTDOWN.SDR CA001013009Fuel Control · failed(CAN) THE ROTOR RPM WAS ADJUSTED SEVERAL TIMES OVER THE COURSE OF A MONTH, AT WHICH TIME THE UNIT FAILED THE CHARACTERISTICS CHECK. UNIT REPLACED. (X)SDR CA000505006Fuel Control · misriggedENGINE FAILED TO RESPOND TO COLLECTIVE INPUT. A/C COMPLETED TEST FLIGHT TO ISOLATE PROBLEM WITH NO POSITIVE RESULTS. ENGINE CHANGED OUT. REPORT REQUESTED .05, 15, 2000. ENGINE RIGGING SPECIFIED TO BE THE MOST LIKELY CAUSE.SDR CA001013007Fuel Control · failed(CAN) FUEL CONTROL UNIT START DE-RICH AND START ACCELERATION SETTINGS AT THE EXTREME CCW POSITIONS. UNIT CAUSING THE ENGINE TO COMPRESSOR STALL DURING START UP.SDR AU000126Fuel Control · out of adj(AUS) LT ENGINE RPM OUT OF ADJUSTMENT.SDR VNAA0004013Ecu · failedWHILE ATTEMPTING TO TAKEOFF, THE RIGHT HAND ENGINE WOULD ONLY PRODUCE APPROXIMATELY 60 PERCENT TORQUE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. UPON RETURNING TO THE GATE, THE FLIGHT ATTENDANT REPORTED A SMOKE SMELL IN THE CABIN. THE CAPTAIN CALLESDR VNAA0004008Ecu · failedDURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND ELECTRONIC CONTROL UNIT FAIL MESSAGE. THE CREW ABORTED TAKEOFF AND CONFERRED WITH MAINTENANCE CONTROL WHO INSTRUCTED THE CREW TO ATTEMPT ANOTHER TAKEOFF. THE CREW ATTEMPTED ANOTHER TAKEOFF AND FLIGHT 4024 DEPARTSDR VNAA0004001Ecu · failedAFTER DEPARTING DCA EN ROUTE TO BTV, THE CREW EXPERIENCED A RIGHT HAND ELECTRONIC CONTROL UNIT FAILURE. IT RESET AND OCCURRED TWO MORE TIMES. THE THIRD TIME THE CREW DID NOT ATTEMPT TO RESET IT. THE FLIGHT HAD BEEN CONFERRING THROUGH DISPATCH AND MAINTENANCSDR AWXA0000209Sensor · failedNR 1 ENG SENSOR FAULT AVOID RAPID THROTTLE CHANGE. REMOVED AND REPLACED NR 1 ENG EEC TT 00409972 M+E 26-7320-9-0016 CURRENT HISTORY NOT AVAILABLE COMPUTER DOWN. REMAIN OPEN PENDING REVIEW OF TEARDOWN REPORT.SDR VNAA0003030Ecu · failedDURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND ELECTRONIC CONTROL UNIT FAIL MESSAGE AND ABORTED TAKEOFF. THE AIRCRAFT CLEARED THE RUNWAY AND THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK AND RESET THE ELECTRONIC CONTROL UNIT. THE CREW THEN ATTEMPTED ANOTHSDR VNAA0003024Ecu · failedFLIGHT 4158 WAS BEGINNING THE TAKEOFF ROLL WHEN THE FLIGHT CREW RECEIVED A RIGHT ECU FAIL MESSAGE. THE FLIGHT CREW ABORTED THE TAKEOFF AND EXITED THE RUNWAY. THE FLIGHT CREW RESET THE ECU SWITCH AND THE SYSTEM RETURNED TO NORMAL. ANOTHER TAKEOFF WAS MADE WISDR 0000791162Fcu · malfunctionedWHILE DESCENDING AT FL290, THE NR 2 ENGINE FLAMED OUT. THE ENGINE OUT CHECKLIST WAS COMPLETED AND THE ENGINE WAS RESTARTED. OPERATION FOR THE REMAINDER OF THE FLIGHT WAS NORMAL MAINTENANCE PERFORMED A BOROSCOPE INSPECTION WITH NO TROUBLE FOUND. THE FUEL CONSDR 20000403AP007Fcu · malfunctionedFLT 9656 - EIS-SJU - LOSS OF POWER ON LEFT ENGINE ON CLIMB-OUT FROM EIS, 40 LBS LOW IN CRUISE. ON APPROACH WITH POWER LEVERS RETARDED FURTHER LOSS OF POWER. CREW OPTIONED TO SHUT DOWN ENGINE. EMERGENCY DECLARED. AIRCRAFT LANDED IN SJU WITHOUT INCIDENT. RESDR CA000322017Fcu · malfunctioned(CAN) NR 2 THROTTLE WARN ON ECAM DURING TAKEOFF ROLL. ABORTED TAKEOFF AND RESET SYSTEM, NO FAULT PRESENT. FLIGHT CONTINUED WITH NO OTHER FAULTS.SDR A6WA0000019Valve · out of adjNR 2 ENGINE PRODUCED 89.0 PERCENT N1 ON FULL POWER APPLICATION AT ASE N1 REF CALLED FOR 93.4 PERCENT ENGINE ANTI-ICE ON 904 TGT. REMOVED AND REPLACED NR 2 ENGINE FCU POPPET VALVE C/W BLEED BAND ADJUSTMENT AND TAKEOFF POWER CHECK. (M)SDR USAASB00047Controller · failedCLT - FLT 549 - DURING TAKEOFF, WITH FULL THROTTLE APPLIED, CAPTAIN NOTICED THE FUEL FLOW INDICATORS WERE JUMPING AROUND AND THE N1 AND N2 WAS HARD TO CONTROL ON THE NR 2 ENGINE. WHEN POWER WAS BACKED OFF, INDICATORS SETTLED DOWN. CAPTAIN DECIDED TO RETURN TSDR CA000301037Fcu · leaking(CAN) FUEL LEAK WAS FOUND AT GROUND IDLE SPEED ADJUSTMENT SCREW. P&W REPORT TO FOLLOW.SDR CA000215013Fcu · failed(CAN) ON START-UP FCU ACCELERATED IN AN UNCONTROLLED MANNER, ENGINE WAS SHUT DOWN. FCU REPLACED.SDR A6WA0000017Fcu · malfunctionedNR 2 ENGINE WHEN AT CRUISE 89-90 PERCENT N1, EXPERIENCED UNCOMMANDED POWER BACK TO 60 PERCENT N1, OTHER INDICATIONS FOLLOWED, 30 SECOND =/1 MINUTE STABILIZED. THIS IS WITH TMS OFF, ALT 25,000 FT, ANTI-ICE OFF. REMOVED AND REPLACED NR 2 ENGINE FUEL CONTROL UNSDR 0000316614Fcu · malfunctionedWHILE IN CRUISE FLIGHT AT FL390, THE NR 1 ENGINE FLAMED OUT. THE FLIGHT RETURNED TO GUM AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE ENGINE FUEL PUMP OUTPUT PRESSURE LOW. THE FUEL PUMP AND FUEL CONTROL WERE REPLACED. ENGINE OSDR VNAA0002005Eec · failedWHEN STARTING THE TAKEOFF ROLL, THE CREW RECEIVED A RIGHT HAND ELECTRONIC ENGINE CONTROL UNIT FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND EXITED THE RUNWAY. THE CREW CONSULTED WITH MAINTENANCE CONTROL BUT WAS UNSUCCESSFUL AT RESETTING THE ELECTRONIC ENGINSDR 2000ZZZX651Fuel Control · damagedFLIGHT CREW WAS UNABLE TO REDUCE ENGINE RPM BELOW 97 PERCENT. ENGINE WAS SHUT DOWN AND SECURED AND AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE REMOVED THE FUEL CONTROL UNIT AND FOUND THE GEAR WHICH ENGAGES THE DRIVE GEAR ON THE FUEL PUMP TO BE DAMAGED. BOTHSDR VNAA0002002Ecu · failedDURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND ECU FAIL CAS MESSAGE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. THE AIRCRAFT WAS THEN FERRIED TO PIT WHERE MAINTENANCE INSECTED AND REPLACE THE ELECTRONIC ENGINE CONTROL IAW DORNIER MAINTENANCE MANUAL 7SDR CA000203015Fuel Control · failed(CAN) RAPID ITT RISE AT START-UP. FCU WAS REPLACED.SDR DL72L000214Fcu · failedNR 3 THROTTLE BINDING IN FLT. NO THROTTLE/ENG RESPONSE IN UPPER ONE-THIRD OF TRAVEL. BINDING THEN RELOCATED TO LWR ONE-THIRD OF THROTTLE MOVEMENT. WHEN THROTTLE WAS ADVANCED THE LEVER WOULD TRAVEL AFT APPROX 1 TO 2 INCHES ON ITS OWN WITH NO ENG RESPONSE. R
Back to JASC 7321