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.
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
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 HEEA072570Fuel Control · malfunctionedHUNG STARTS IN THE 40 TO 50 PERCENT N1 RANGE. PERFORMED PRELIMINARY INSPECTION AND FOUND NO DISCREPANCIES. UNIT TESTED OK.SDR HEEA072569Fuel Control · malfunctionedSTARTING PROBLEMS AND OSCILLATIONS ABOVE 80 PERCENT TORQUE. PERFORMED PRELIMINARY INSPECTION AND COULD NOT DUPLICATE PROBLEM.SDR HEEA072568Fuel Control · fluctuatesTORQUE FLUCTUATING 10 PERCENT ON TAKE OFF. PERFORMED PRELIMINARY INSPECTION AND FOUND EXCESSIVE SIDE PLAY AT THE CUTOFF LINKAGE. REPLACED AND UNIT TESTED OK.SDR HEEA072471Fuel Control · malfunctionedSTARTS STAGNATES AT 33 PERCENT N1. RAN UNIT ON TEST BENCH AND COULD NOT DUPLICATE PROBLEM.SDR HEEA072465Fuel Control · erraticINCONSISTENT STARTS. SOME STARTS NORMAL. OTHERS DELAYED AND TENDED TO HAVE HIGH TOT. REPLACED WITH SERVICEABLE FUEL CONTROL.SDR HEEA072464Fuel Control · malfunctionedGOING HOT AND WOULD NOT RESPOND TO ADJUSTMENTS. REPLACED WITH SERVICEABLE FUEL CONTROL.SDR HEEA072463Fuel Control · leakingFUEL LEAKING FROM AROUND BYPASS COVER. DURING OVERHAUL FOUND EXCESSIVE CORROSION AND PITTING AROUND BYPASS COVER AND BORE. THIS CONDITION WILL CAUSE LEAKING FROM THE BYPASS COVER. REPLACED COMPLETE MAIN FLOW BODY ASSY. UNIT TESTED SATISFACTORY.SDR AU010321Pipe · loose(AUS) NO3 ENGINE P3 SENSE LINE TO FCU LOOSE. THE AIRCRAFT HAD A NO3 ENGINE AND FCU CHANGED THE PREVIOUS DAY. PERSONNEL/MAINTENANCEERROR.SDR HEEA072421Fuel Control · malfunctioned7 PERCENT N1 OSCILLATION, TOO MUCH CUSHION ON THE HIGH SIDE, UNABLE TO ADJUST. RAN UNIT AS RECEIVED ON TEST BENCH. COULD NOT DUPLICATE PROBLEM.SDR HEEA072420Fuel Control · malfunctioned7 PERCENT TORQUE SURGE AT FLAT PITCH. RAN UNIT AS RECEIVED ON TEST BENCH. COULD NOT DUPLICATE PROBLEM.SDR HEEA072419Fuel Control · malfunctionedENGINE SLOW TO START. SMOKES ON START CYCLE. RAN UNIT AS RECEIVED ON TEST BENCH. COULD NOT DUPLICATE PROBLEM.SDR HEEA072418Fuel Control · malfunctionedENGINE SLOW TO START. SMOKES ON START CYCLE. RAN UNIT AS RECEIVED ON TEST BENCH. COULD NOT DUPLICATE PROBLEM.SDR HEEA072417Bellows · defectiveIDLES AT 45 PERCENT N1 AND WILL NOT ACCELERATE. FOUND ALL FLOWS TO BE VERY LOW AND UNADJUSTABLE. SPLIT UNIT AND FOUND BELLOWS TO BE DEFECTIVE.SDR 20010409CW009Tube · crackedRIGHT ENGINE ROLLED BACK TO IDLE ON ITS OWN AFTER TAKEOFF. MAINTENANCE FOUND THE P3 TUBE ASSEMBLY BETWEEN THE FUEL CONTROL UNIT AND THE ENGINE PLENNUM CRACKED IN HALF. FATIGUE FAILURE IS SUSPECTED.SDR SWIA972469Fuel Line · looseDURING APPLICATION OF TAKEOFF POWER LEFT ENGINE LAGGED BEHIND. THE AUTO FEATHER NOT ARMED WARNING OCCURRED. TIGHTENED LOOSE P3 LINE AT LEFT HMU. PERFORMED POWER ASSURANCE RUN. LEFT AND RIGHT ENGINES ADVANCED EQUAL AND MATCHED PW MM 72-00-00 PG 509.SDR AC2A072786Elbow · leakingFUEL LEAK ON LINE FROM CEFA TO HMU. FOUND ELBOW ON CEFA HAD A MILLING MARK ON FACE OF FLANGE. REPLACED ELBOW.SDR R7MR33253Fmu · leakingLEAKING FUEL FROM DRIVE DRAIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR R7MR32756Hmu · inoperativeAIRCRAFT FAILED TO START. SUSPECT START VALVE NOT HOLDING PRIME. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR SIMA200107001Hmu · malfunctionedBTV - FLT 4625 - CREW REPORTED ERRATCI ENGINE INDICATIONS ON NR 2 ENGINE. PROPELLER RPM FLUCTUATES PLUS/MINUS 1000. AFTER TORQUE MOTOR LOCKOUT THERE WERE NO MORE FLUCTUATIONS NOTED. MAINTENANCE REMOVED AND REPLACED RIGHT ENGINE HYDROMECHANICAL FUEL CONTROL SDR DLM88010390Engine · crackedFLIGHT CREW REPORTED NR 1 LOST POWER ABOUT 15 MILES OUT OF CAE ENGINE WAS NOT SHUT DOWN UNTIL AFTER TOUCHDOWN. DURNING INSP MTC FOUND FUEL MISTING INTO THE COLD STREAM ON START ATTEMPT. PRIMARY FUEL MANIFOLD CRACKED. REPLACED SAMESDR DLM88010312Throttle Cable · obstructedRIGHT THROTTLE STUCK AT 79 PERCENT COULD NOT RETARD BELOW THAT SETTING. SHUT DOWN THE ENGINE. REMOVED OBSTRUCTION FROM TAIL COMPARTMENT QUADRANT, CHECKS OK.SDR 20010320CW010Servo · malfunctionedFUEL INJECTOR SERVO CAUSING ERATIC IDLE. BACK FIRING AND EXTREMELY RICH MIXTURE WHEN THROTTLE IS RETARDED. DISCUSSION WITH TECH REP SUGGESTED TO SEND UNIT TO REPAIR STATION FOR CLEANING. DUE TO SERVO MOUNTED VERTICALLY, NOT ALLOWING FUEL TO BE PROPERLY EXSDR 13001N71CKComputer · inoperativeLT ENGINE RPM ROLLED BACK 40 PERCENT DURING CLIMB, UNEVENTFULL LANDING ACCOMPLISHED. REPLACED LEFT ENGINE FUEL COMPUTER WITH SERVICEABLE UNIT. GROUND RUN AND FLIGHT TEST SATISFACTORYSDR SWIA972314Connector · failedLEFT EEC FAILED ON TAKEOFF ROLL. ABORTED TAKEOFF. FOUND CANNON PLUG P5 ON LEFT EEC WITH FAULT. REMOVED AND REPLACED LEFT EEC HARNESS IAW EMB 120 MM 73-21-00, OPS CHECK GOOD. P/N ON 3115911-01, S/N ON AA4313, S/N OFF AA3712.SDR ASOA01010Hmu · inoperativeFLT 4960 - DURING FLIGHT FROM HOU TO DFW AFTER 2 MINUTES IN CRUISE, THE LEFT ENGINE WENT TO 20 PERCENT TORQUE, NP WENT TO 85 PERCENT, NH WENT TO 80 PERCENT, AND ENGINE OIL PRESSURE DROPPED TO ZERO. TEN TO TWELVE SECONDS AFTER FLAMEOUT, ENGINE STARTED BACK UP SDR CA010212028Drain Mast · leaking(CAN) THE AIRCRAFT WAS ON TAXI IN, FROM FLT 812, TO THE PARKING STAND IN VRA. THE GROUD HANDLING CREW ALERTED THE FLIGHT CREW THAT FUEL WAS LEAKING FROM THE BOTTOM OF THE NR 2 ENGINE PRIOR TO SHUTDOWN AND A PUDDLE OF FUEL HAD FORMED UNDER THE ENGINE. INVESTIGASDR SWIA972275Eec · malfunctionedLEFT EEC FAILED ON TAKEOFF ROLL. ABORTED TAKEOFF. CLEANED ALL CANNON PLUGS AND GROUND RAN LEFT ENGINE. OPS CHECK GOOD.SDR 20010206CW007Fuel Control · malfunctionedWHILE DOING OVERSPEED GOVERNOR CHECK, ENGINE RPM STAYS ABOVE TAKEOFF, PROP GOVERNOR HIGH, AND WILL NOT REDUCE WHEN POWER LEVER AND CONDITION LEVER ARE RETARDED. THIS CONDITION ALSO PREVENTS THE PROP FROM COMING OFF THE LOCKS. TROUBLE SHOOTING HAS DETERMINED SDR MALA010126Hmu · failedWHILE ADVANCING THE PL FOR TAKEOFF NR 1 ENGINE TORQUE RAN AWAY, OVER TORQUED RETARDED PL- NO TORQUE REDUCTION, SHUT DOWN ENGINE WITH CL. DID NOT NOTE TEMP BUT DID NOT SEE OVER TEMP LIGHT ILLUMINATED. ABORTED TAKEOFF. MAINTENANCE REMOVED FDAU SENT IN FOR DOWSDR RAIA0101004Sensor · false indication7494-STL-DURING TAKE OFF RIGHT HAND IEC CAPTION ILLUMINATED. MAINTENANCE REMOVED AND REPLACED RIGHT HAND P2 SENSOR IAW GARRETT TPE 331 MAINTANACE MANUAL.SDR 20010312CW014Controller · defectiveTHIS CONTROLLER SPLIT IN 2 PIECES, RENDERING THIS PART USELESS AND CAUSING BOOST TO FALL OFF IN THE INTAKE MANIFOLD. DURING MFG, HOUSING FOR THE SPRING WAS MACHINED TOO DEEP ALLOWING ONLY ABOUT .0312 IN OF METAL HOLDING THE PART TOGETHER.SDR SWIA972228Eec · malfunctionedRT ENGINE TORQUE FLUCTUATES WITH EEC ON TORQUE FLUCTUATION OF 10 PERCENT ON RIGHT ENGINE DURING TAKE OFF ROLL. MEL 73-21-1. ABORTED TAKE OFF. PERFORMED RUN UP WITH EECS OFF AND RUN UP WAS NORMAL WITH EEC OFF. DEFERRED RIGHT EEC MEL 73-21-1. REMOVED ANDSDR AU001228Hydromech Unit · faulty(AUS) LT ENGINE COMPRESSOR STALL (SURGE). OPERATING LIMITS EXCEEDED. SUSPECT CAUSED BY FAULTY HYDROMECHANICAL UNIT (HMU).SDR VNAA0012022Connector · dirtyDURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND ELECTRONIC CONTROL UNIT AND RIGHT HAND ALTERNATING CURRENT VOLT FAIL MESSAGES AND ABORTED THE TAKEOFF. THE CREW CONSULTED THE QUICK REFERENCE HANDBOOK AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND CLEANED SDR MALA000750Switch · leakingLEFT ENGINE SHUT DOWN RIGHT AFTER TAKEOFF. AIRCRAFT RETURNED TO MSP. MAINTENANCE FOUND STANDBY BOOST PUMP SWITCH LEAKING THERE FORE CAUSING FUEL STARVATION TO ENGINE. MX REPLACED SWITCH 8346 AND NR 1 ENGINE. ALL CHECK GOOD.SDR SWAA002530Connector · dirtyDIVERSION, IN FLIGHT ENGINE SHUT DOWN DURING CRUISE AT FL 310, NR 2 ENGINE FAILED AND ROLLED BACK TO WINDMILLING RPM. DURING DIVERSION, ATTEMTED TO RE-START ENGINE, APPEARED NORMAL THEN DETIORATED TO SUB-IDLE. FOUND FAULT CODE 75-10822, CLEANED & RESECURED CONSDR DHL2000717124Stop · looseNR 2 ENGINE WOULD NOT DEVELOP T/O THRUST WITH ANTI ICE ON.FOUND SAFTY WIRE ON PART POWER STOP BROKEN AND POWER STOP OUT. RESECURED AND RE-WIRED PART POWER STOP. PREFORMED ENGINE RUN AND T/O POWER CHECK PER JRH 5.2&7.9.OPS CHK GOOD.ALL PARAMETERS NORMAL.SDR AWXA0000991Fuel Control · failedOAK - ABORTED TAKEOFF - NR 2 ENGINE WOULD NOT DEVELOP TAKEOFF POWER. AFTER TROUBLESHOOTING, THE NR 2 ENGINE DRIVEN FUEL PUMP AND MEC (MAIN ENGINE FUEL CONTROL) WERE CHANGED; ALL OPS AND POWER RUNS GOOD.SDR DL757002269Eec · failedON TAXI OUT -L ENG SEC CONT- MSG DISPLAYED ON EICAS. EPCS ASSOCIATED MSGS -S EEC- -EEC- -S275-16- AND -275-19-. REPLACED L EEC AS PER MM. TEST OK. L EEC PB SYS INSP AND CLEANING PERFORMED AS PER MM.SDR AU001110Line · fractured(AUS) ENGINE P3 LINE FRACTURED AT THE FLANGE WHERE THE LINE IS SWAGED TO THE FILTER BOWL. (X)SDR AU001072Filter · contaminated(AUS) NR 2 ENGINE P3 FILTER PARTIALLY BLOCKED. AIRCRAFT IS OPERATING IN EAST TIMOR. (X)SDR HNAA0000076Fuel Control · failedNR 1 ENGINE SHUTDOWN SHORTLY AFTER TAKEOFF. AIRCRAFT RETURNED TO THE FIELD. REPLACED MFC AND FUEL PUMP. ALSO FOUND LOOSE B-NUT ON FLOW DIVIDER. TIGHTENED B-NUT.SDR UPS00834353Computer · out of adjINSPECTION TYPE:N/A, PILOT REPORT NR 4 ENGINE WILL NOT MAKE T/O POWER. REMOVED AND REPLACED CDP P3 LINE AND ADJ MEC SPECIFIC GRAVITY.SDR SWIA972063Relay · failedAPR INOP ON TAKEOFF ROLL. ABORTED TAKEOFF FAT - DEFERRED APR. REMOVED AND REPLACED APR ARM RELAY (KIKL) IN JB5 MM 76-13-01. RAN BOTH ENGINES APR TESTS NR 1, 2, 3, FUNCTION NORMALLY.SDR 00FDEA00746Fuel Control · sluggishUPON ROTATION NR 2 FUEL FLOW AROUND 5000. 1 & 3 10000 F/F N1 33 PERCENT, N2 97 PERCENT EGT 700. AC WOULD NOT CLIMB, VERY SLUGGISH.SDR RAIA0010039Sensor · failed7109-PIA- LEFT ENGINE ECU FAULTED DURING TAXI. MAINTENANCE INSPECTED AND DEFERRED PER MEL. MAINTENANCE REPLACED LEFT ENGINE T1.8 SENSOR.SDR MALA000595Hma · failedNR 4 ENGINE WENT TO SUB IDLE AROUND 40 PERCENT. CREW DECIDED TO GO TO CID FOR LANDING THIS A/C WAS EN ROUTE TO STL. CREW DID NOT ATTEMPT RESTART. NR 4 ENGINE SHUT DOWN IN FLIGHT. MAINTENANCE REPLACED NR 4 ENGINE HMA. OPS AND LEAKS CHECKS WERE GOOD. WORK SDR USAABB00103Governor · malfunctionedPIT - FLT 115 - ON APPROACH TO PIT, THE CREW RECEIVED THE EICAS MESSAGE R ENGINE LP PUMP AND THE RIGHT ENGINE SHUT DOWN. CREW WAS ABLE TO RESTART THE ENGINE AND LANDED AT PIT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FUEL FLOW GOVERNOR AND THE FUEL SDR 20001011SH009Power Supply · erraticSJO/PTY - FLT LR625 - A STRONG VIBRATION WAS FELT AFTER TAKEOFF AND L/E LIGHT ILLUMINATED. A CONTINUOUS OSCILLATION ON BOTH FUEL FLOW INDICATORS WAS NOTED. THE AIRCRAFT RETURNED TO SAN JOSE STA FOR MAINTENANCE. AFTER AN UNEVENTFUL LANDING AT SAN JOSE STA, SDR DLM88001890Valve · faultyAIR TURNBACK DUE TO HIGH ENG OIL PRESSURE ON NUMBER 2 ENGINE. OIL PRESSURE WAS BETWEEN 64 PSI AND 78 PSI WHILE PASSING THROUGH 23,000 FT. MASTER CAUTION LIGHTS AND ENG CUE LIGHT WERE ALSO FLICKERING BUT NO ENGINE MESSAGE. REPLACED OIL PRESSURE RELIEF VALVE.
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