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 M7K2006F00000Hmu · failedAFTER TAKEOFF, AC CWP RED AND YELLOW GOVERNOR LIGHT SEGMENTS ILLUMINATED, IT BECAME APPARENT BY ENG INDICATIONS THAT EMERGENCY BACKUP CONTROL UNIT HAD TAKEN CONTROL OF ENG. PILOT ELECTED TO LAND AC AT FIRST SUITABLE LANDING SITE. VEMD INDICATED A FAULT WAS DSDR 2006FA0000555Clip · missingTHE RETAINING CLIP FROM THE ROD END EITHER BROKE OR FELL OFF CAUSING THE THROTTLE CABLE TO DETACH FROM THE FUEL INJECTION SERVO. THE ENGINE THEN WENT TO FULL POWER. ENGINE HAD TO BE SHUT DOWN AND FEATHERED IN ORDER TO LAND THE AIRCRAFT. RECOMMEND USING PN 4SDR HNAA0600036Ecu · failedON CLIMBOUT NR 1 ENGINE SURGED 10 TO 15 PERCENT TQ. ALSO NR 1 ENGINE WOULD NOT GO TO FLIGHT IDLE. REMOVED AND REPLACED NR 1 ECU GROUND RAN AND TRIMMED BOTH ENGINES.SDR 200605082Fmu · malfunctionedFLIGHT 7718 ORF TO ORD CAPTAIN REPORTS ON SHORT FINAL, RECEIVED AMBER -FAIL- BOX ACROSS N1 INDICATOR. DISCONNECTED AUTO THROTTLE; ENGINE INDICATIONS WERE N1 AND N2 SPOOL DOWN, DECREASE IN ITT AND FUEL FLOW. WML INDICATION APPEARED INDICATING RELIGHT ATTEMPT.SDR CA060802005Coupling · worn(CAN) DURING CRUISE, NUMBER 2 ENGINE EXPERIENCED EXTREME TORQUE FLUCTUATIONS OF UP TO 50 PRESENT WITH ASSOCIATED FUEL FLOW AND NH RPM INDICATIONS. AS A RESULT OF A SUBSEQUENT TORQUE DROP THE CREW ELECTED TO CARRY OUT A PRECAUTIONARY ENGINE SHUT DOWN IN FLIGHT.SDR CA060425020Hmu · malfunctionedON TAKEOFF ROLL, ENGINE POWER ROLLED BACK MARGINALLY AND WAS CORRECTED BY A THROTTLE ADJUSTMENT. POWER FLUCTUATIONS WERE REPORTED DURING CLIMB. IN CRUISE, POWER ROLLED BACK UNCOMMANDED AND THE ENGINE WAS FOUND NOT TO RESPOND TO THROTTLE INPUT. THE AIRCRAFT SDR SWAA061334Mec · faultyAIR TURNBACK, DURING CLIMBOUT NR 1 ENGINE BEGAN SURGING N1 DROPPED FROM 85.9 PERCENT TO 81 PERCENT. REMOVED AND REPLACED NR 1 ENGINE MEC PER MM.SDR CA060802007Fuel Control · failed(CAN) DURING APPROACH NR 1 ENGINE TORQUE AND RPM SURGING 10 PERCENT WITH POWER ABOVE 80 PERCENT. ENGINE SHUTDOWN AT 5000 FEET ON DOWNWIND. MAINTENANCE REPLACED NR 1 ENGINE FUEL PUMP AND FUEL CONTROL. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (TC NRSDR 200604102Fadec · malfunctionedFLT NR 6491 ORD TO SLC, ON DESCENT AUTO THROTTLES STARTED TO CREATE A SPLIT IN PWR SETTING. CREW CYCLED AUTO THROTTLES, WHEN RE-ENGAGED AUTO THROTTLE SPLIT REOCCURRED. CREW DISENGAGED AUTO THROTTLES AGAIN AND REALIZED THAT N1, FUEL AND N2 WERE ALL SURGING. SDR AALA20060190Eec · inoperativeBDA - POWER ON RIGHT HAND ENGINE. ENGINE PRESSURE RATIO GAUGE RISING AND N1, N2, AND N3 FUEL LOW DECREASING. ENGINE PRESSURE RATIO WENT BLANK N1, N2, AND N3 STILL RECORDING BUT NOT PRODUCING. REPLACED ENGINE PRESSURE RATIO TRANSMITTER. REPLACED RIGHT HAND SDR RAIA00603053Metering Unit · malfunctionedFLT 8032 - IAD - ENGINE NR 1 SHUTDOWN IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE FPMU.SDR GUUA03230601Hmu · shortedFLIGHT: 9202 FLL/ELH, AFTER TAKEOFF LOST TORQUE ON THE RIGHT ENGINE TORQUE WENT FROM 70 PERCENT TO 0 PERCENT. RETURNED TO FLL LANDED WITHOUT INCIDENT. REPLACED RIGHT HYDO MECHANICAL UNIT.SDR 03282006AHmu · out of adjustRT PROP IS SLOW TO FEATHER. ADJUSTED RT CONDITION CONTROL RIGGING AT HMU GEARBOX AND PCU IAW 76-10-00SDR 2006FA0000355Hmu · unknownPRECAUTIONARY LANDING DUE TO BANG HEARD IN FLIGHT BY PILOT. NORMAL LANDING ACCOMPLISHED W/O ACCIDENT, OR INJURIES. AC LANDED ON PRIVATE PROPERTY. UPON LANDING, GOVERNOR WARNING LIGHT ILLUMINATED. SUBSEQUENT INVESTIGATIVE TROUBLESHOOTING REVEALED VEMD TO DISDR DXTA200601306Throttle Control · out of adjustRIGHT ENGINE TAKEOFF THRUST AT 13 DEG CELSIUS ONLY PRODUCING 94.1% N-1. MADE MINOR ADJUSTMENT TO FCU AND MADE ADJUSTMENT TO THROTTLE COLLAR ON THE NR 2 SIDE. RAN AIRCRAFT AND CHECKED IDLE, POWER OF THE DAY, ACCELERATION AND DECEL CHECKED GOOD. WORK DONE IAWSDR QXEA200600805Fadec · faultyDEN - ON FLIGHT 4014, RETURNED TO GATE. RIGHT FADEC FAULT 1. MAINTENANCE PLACED ON MEL 73-21, RSI 355731. AIRCRAFT RETURNED TO SERVICE.SDR CA060403015Fuel Sys · fluctuatesDURING INITIAL DESCENT, ENGINE FUEL FLOW WAS OBSERVED TO FLUCTUATE. THROTTLE INPUT RESULTED IN EXCESSIVE INTERTURBINE TEMPERATURE INCREASE AND THE ENGINE WAS SHUT DOWN IN FLIGHT. P&WC WILL MONITOR INVESTIGATION OF THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCESDR 2006FA0000357Servo · inoperativeAIRCRAFT LANDED AND ENGINE QUIT. TO RESTART ENGINE MIXTURE HAD TO PULL MIXTURE BACK TO .5 INCH OF IDLE CUT TO KEEP ENGINE RUNNING. TRIED TO ADJUST IDLE MIXTURE WITHOUT SUCCESS. AT THE ADJUSTMENT LEANEST SETTING THERE WAS STILL A 600 RPM RAISE WHEN MIXTURE PSDR SWAA060805Mec · faultyNR 2 ENG N1 POWER ROLLED BACK 6 PERCENT. REMOVED AND REPLACED NR 2 ENG MEC PER MM.SDR QXEA20060602Fadac · malfunctionedDAY - ON FLIGHT 4198, RETURNED TO GATE, RIGHT ENGINE DEGRADE CAUTION MESSAGE AND RIGHT FADEC NR 2 STATUS. MAINTENANCE PERFORMED FAULT ISOLATION SUBTASK 72-00-00-810-802. NO DEFECTS NOTED. MAINTENANCE PLACED THE RIGHT FADEC ON MEL 73-21-1C. AIRCRAFT RETURNESDR AMTA200600150Unknown · unknownLT ENGINE CONTROL LIGHT ILLUMINATED DURING TAXI. IAW FIM FAULT 75-10581 DISPLAYED IAW 71-00-00-700-807-FOO PERFORMED ACTUATOR TEST. TEST PASSED. NO FURTHER FAULTS RECORDED. (K)SDR AMTA200600148Probe · malfunctionedLT EEC EICAS MESSAGE. LT EEC INOPERATIVE LIGHT ON OVERHEAD PANEL. TROUBLESHOT IAW FIM. REMOVED AND REPLACED TAT PROBE IAW AMM. OPS CHECK GOOD. OK FOR SERVICE. (K)SDR 2006FA0000309Flow Divider · corrodedAIRCRAFT FAILED TO START & RUN. NO FUEL FLOW INDICATED ON G-1000. TROUBLSHOOT FUEL SYS & FOUND FUEL NOT PASSING THROUGH FLOW DIVIDER. SENT UNIT FOR REPAIR. AT THAT TIME AIRCRAFT HAD 41.0 HRS SINCE NEW. SECOND TIME AT 91.0 HRS.SINCE NEW, HAD THE SAME PROBLEM ASSDR DHL2006807002Sensor · malfunctionedON TAXI OUT NR 1 N1 APPROACHED 35% THEN N1 ROLLED BACK 13% N2 ROLLED BACK 40% EGT CLIMBED TO 700/C. SHUT ENG DOWN. ATTEMPTED RESTART ENG NR 1 N2 20% N1 ROSE 8% & STALLED EGT. T/S REMOVED & REPLACED CIT SENSOR, NO HELP. REMOVED AND REPLACED MEC, LEAK CHECK SDR CA060221003Hmu · malfunctionedAFTER T/O YOW EN ROUTE YVR ENG 2 COMPRESSOR VANE MSG SEVERAL TIMES DURING FLIGHT. CREW ELECTED TO DIVERT TO YUL. ACFT ROUTED TO BASE FOR INVEST. HMU REPLACED AS PER T/S.SDR 200602171Turnbuckle · brokenFLT 7631 IAD TO IND, NR 1 ENG FALLING SHORT OF COMMANDED POWER WITH A LAG IN THROTTLE RESPONSE. SHUT DOWN ENGINE, DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. ON INSPECTION, FOUND VARIABLE GUIDE VANE ACTUATOR TURNBUCKLE FAILED. REMOVED AND REPLACED NR 1 ENGSDR C2XA06CL018Fadec · faultyCLE FLIGHT 3203 THE CREW REPORTED NR 1 ENGINE SURGING ON FADEC 1B. MAINTENANCE INSPECTED AND REPLACED FADEC 1B. OPERATIONAL CHECKS WERE GOOD.SDR EMB06002Fadec · unknownMAINTENANCE - COMPLIED WITH TECH SERVICE ITEM DUE TO RECENT HISTORY. REMOVED AND REPLACED NR 2 ENGINE FADEC.SDR QXEA200600205Fadac · malfunctionedDEN - ON TAXI FOR FLIGHT 4298, L/R FADEC FAULT STATUS MESSAGE. RETURNED TO THE GATE. LEFT AND RIGHT FADEC FAULT 2 STATUS MSGS CLEARED WHEN ENGINES SHUTDOWN. PERFORMED SELF TESTS OF LEFT AND RIGHT FADEC'S IN MDC, SELF TEST GOOD. HISTORY SHOWS LEFT AND RIGHTSDR MALA060090Hma · malfunctionedNR 2 ENGINE SHUTDOWN INFLIGHT. REMOVED AND REPLACED HMA IAW MAL JJC7310-504 AND ALSO REMOVED AND REPLACED NR 2 OVERSPEED SHUTOFF VALVE IAW RJ AMM 73-10-09. ALL SYSTEMS TEST NORMAL AT THIS TIME, PN ON/OFF 2-193-330-10, SN OFF 97AGU524C. PN ON/OFF 2-303-901-01SDR MALA060031Hma · failedWHEN POWER ADVANCED FOR TAKEOFF AT ABOUT 60 PERCENT N1 ENGINE NR 2 SHUT DOWN. ATC REPORTED SEEING SMOKE. REPLACED NR 2 ENGINE HMA IAW JC 7310-502 AND 7310-504. ALL CHECKS GOOD. P/N 2-193-330-10, S/N ON 97AGU524C, S/N OFF 97AGU600.SDR 2006UALA00113Fmu · failedNR 4 ENGINE FUEL VALVE FAILED CLOSED AND NR 4 ENGINE FLAMED OUT AT ALTITUDE 34000. INFLIGHT ENGINE START CHECKLIST DID NOT PRODUCE A RELIGHT. NRT REPLACED NR 4 ENGINE FUEL MANAGEMENT UNIT (FMU). MR73220, S/N F27457 PW IPC REF: 73-21-00-001-030 AIRCRAFT RTSSDR AALA20060067Governor · inoperativeORD INFLIGHT T1105/11JAN - ON CLIMB-OUT THROUGH 33000 FEET NOTICED AIRCRAFT NOT CLIMBING. LEVELED AT 34000 FEET AND PUSHED LEFT THROTTLE TO STOP. DID NOT RESPOND. LEFT ENGINE WAS PRODUCING 20 TO 30 PERCENT LESS POWER. ON RETUREN TO ORD LEFT ENGINE SEEMED OSDR DL76G070015Hmu · malfunctionedRT ENG FLUCTUATING 3-4 PERCENT N1 AND ASSOCIATED FLUCTUATIONS, ON EGT N2 AND F/F ON CLIMB-OUT POWER SETTINGS. AT LEVEL, CRUISE PWR SETTING RT N1 FLUCTUATES 2 PERCENT. REMOVED AND REPLACED NR 2 ENGINE HMU PER M/M. OPS CHECK OK.SDR DL76L060005Fmu · unknownNR 1 ENG FLUCTUATED LIKE A PULSING AT FL350 MACH .79. EPR 1.36-1.38 FP 203-209 N1 AND N2 +/- .1%. APPLIED ENG A/I WITH NO CHANGE. SWITCHED OFF BOTH EEC SWITCHES AND LEFT FLUCTUATED MORE FF 5820 TO 5960. REMOVED AND REPLACED FMU PER AMM 73-21-01. PERFORMED SDR EMB05019Fadec · faultyPIT - DUE TO HISTORY OF ENGINE 1, NO DISPATCH AND ENGINE 1 FADEC FAULT. REPLACE FADEC 1. MAINTENANCE REMOVED AND REPLACED NR 1 FADEC. NO FAULTS NOTED, OPERATIONAL CHECK IS GOOD.SDR CA051222002Fuel Control · malfunctionedDURING FLT, DURING DESCENT, RT THRUST LEVER ON RT ENG WAS UNRESPONSIVE AND THAT IND REMAINED AT 40% EVEN AFTER CREW EXERCISED BOTH THRUST LEVER'S POSITION TO CONFIRM THAT RT ENGINE WAS NON-RESPONSIVE. CREW THEN FOLLOWED QRH PROCEDURES, SHUT DOWN RT ENGINE, DESDR MASA200501038Fadec · faultedASH 2638 CLT - RIGHT FADEC FAULT. MAINTENANCE RAN ENGINES NO FAULTS FOUND. OPS CHECK NORMALSDR AU510001525Hmu · faultyNR 1 ENGINE HYDROMECHANICAL UNIT (HMU) FAULTY. INVESTIGATION FOUND THE DEFECT WAS CAUSED BY FAILURE OF THE FMV RESOLVER BODY ASSEMBLY.SDR BB05103Governor · failedFLIGHT 491, PHL-MBJ, RIGHT ENGINE WOULD NOT ACCELERATE. THRUST DECAY, LOW EPR, AND ENGINE READINGS CONSISTENT WITH EPR. DIVERTED TO FLL. MAINTENANCE REPLACED THE RIGHT FUEL FLOW GOVERNOR.SDR GTIA050286Bleed Valve · malfunctionedLT ENGINE N2 DROPS BELOW 45 PERCENT WHEN LOAD APPLIED. REPLACED A/C WITH 832NK ON LINE. REMOVED NR1 ENGINE FUEL CONTROL. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED START BLEED CONTROL VALVE, PERFORMED IDLE CHECK, ENGINE ACCELERATION CHECK. OPS CHECK GOOSDR GTIA050285Unknown · unknownON RUNWAY CLEARED FOR TAKEOFF THE LT ENGINE WOULD NOT RESPOND TO THROTTLE ADVANCE THE LT ENGINE REMAINED AT IDLE POWER THEN SLOWLY WOUND DOWN TO 44 PERCENT N2, AIRCRAFT TAIL SWAP WITH 803NK. INSPECTED THROTTLE LINKAGE AT FUEL CONTROL. NO DEFECTS NOTED. INSPSDR IXXA0500146OMec · inoperativeDURING CLIMB FROM KTOL TO KPHL NR 1 THROTTLE HAS TO BE RETARDED APPROX 4 KNOTS WIDTH TO MAINTAIN CLIMB THRUST, AT CRUISE POWER THROTTLE IS JUST ABOVE IDLE. CREW SHUT DOWN ENGINE PRIOR TO LANDING BECAUSE UNABLE TO RETARD POWER, POSITIVE OIL PRESSURE AND QUANTITSDR 2005FA0001575Sense Line · wornP3 AIR LINE CONNECTS COMP TO P3 AIR FLTR. LINE ATTACHES TO GAS OPER CASE AT 5:00 POS LOOKING FWD, CONNECTS TO IS FITTING AT REAR FIREWALL. ENG INSTALLED, LINE RESTS FIRMLY ON ENG TRUSS. SUB ENG HAVE BEEN INSTALLED ON THIS AC FOR 300 HRS. P3 LINE IS ALREADYSDR DXTA200501124Hmu · out of adjustA RIGHT ENGINE WOULD NOT REACH SCHEDULED TAKEOFF POWER OF 98.2 PERCENT. FULL THROTTLE REACHED 96 PERCENT ONLY (N1). ADJUSTED HMU PRESSURE REGULATING VALVE. OPS CHECKED GOOD. PERFORMED EEC AUTHORITY CHECK.SDR UPS05645819Hmu · malfunctionedATB - CRUISING AT FL340 MACH .82 LEFT ENG ROLLED BACK TO APPROX 65 PERCENT N1 FF 3.0 SAT WAS -57 OVER THE NEXT 20 MINUTES EXPERIENCED SIX MORE ROLL BACKS WITH REDUCTIONS OF N1 FROM 5% TO 60% ALL OTHER INSTRUMENTS INDICATED ROLL BACKS. REMOVED AND REPLACED HMUSDR P5CA0501416Metering Tube · leakingNR1 ENGINE FUEL LEAK AT FUEL METERING UNIT VBV ROD END TUBE. VBV ACTUATOR FUEL TUBE REPLACED AT FUEL CONTROL AND PERFORMED ENGINE RUN AND LEAK CHECK IAW MM 73-21-01.SDR DXTA200501087Fuel Filter · bypassingRIGHT ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED ON TAKEOFF ROLL AT TAKEOFF POWER EXTINGUISHED WHEN POWER REDUCED. OPERATED RT ENGINE AND VERIFIED RT FUEL FILTER BYPASS LIGHT ILLUMINATES NEAR TAKEOFF POWER SETTINGS. REMOVED AND INSPECTED FUEL FILTER. FOUNDSDR YTRR107130Hmu · inoperativeRESTART FAULT LIGHT ILLUMINATED DURING FLIGHT. UPON LANDING AND SHUT-DOWN, FADEC FAULT LIGHT ALSO ILLUMINATED. REPLACED HMU.SDR CA051116013Fuel Control · malfunctionedDURING FINAL STAGE OF RECON OF CONFINED AREA, THE ROTOR OVERSPEED (POSSIBLE ENGINE OVER SPEED) MORE THAN 450 RPM, NEEDLE PEGGED AT MAX READING. EMERGENCY PROCEDURES WERE CARRIED OUT THROUGH RAISING COLLECTIVE AND THROTTLE RETARDING BUT THESE ATTEMPTS WERE NOT
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