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.

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 DMay 19, 2006 · N804MH · Urocop EC130B4SDR 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 4May 19, 2006 · N15139 · Piper PA34200SDR 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.May 8, 2006 · N809EX · Dhav DHC8102SDR 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.May 7, 2006 · N652RW · Emb ERJ170100SDR 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.Apr 27, 2006 · Dhav DHC8202SDR 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 Apr 22, 2006 · Cessna 550SDR 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.Apr 20, 2006 · N361SW · Boeing 7373H4SDR 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 NRApr 19, 2006 · Dhav DHC8202SDR 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. Apr 7, 2006 · N859RW · Emb ERJ170100SDR 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 Mar 26, 2006 · N655AA · Boeing 757223SDR RAIA00603053Metering Unit · malfunctionedFLT 8032 - IAD - ENGINE NR 1 SHUTDOWN IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE FPMU.Mar 25, 2006 · N836HK · Emb EMB145LRSDR 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.Mar 23, 2006 · N280AS · Emb EMB120ERSDR 03282006AHmu · out of adjustRT PROP IS SLOW TO FEATHER. ADJUSTED RT CONDITION CONTROL RIGGING AT HMU GEARBOX AND PCU IAW 76-10-00Mar 22, 2006 · N239CJ · Saab 340BSDR 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 DIMar 18, 2006 · N11QF · Urocop EC130B4SDR 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 IAWMar 18, 2006 · N893QS · Raythn HAWKER800XPSDR QXEA200600805Fadec · faultyDEN - ON FLIGHT 4014, RETURNED TO GATE. RIGHT FADEC FAULT 1. MAINTENANCE PLACED ON MEL 73-21, RSI 355731. AIRCRAFT RETURNED TO SERVICE.Mar 18, 2006 · N609QX · Cndair CL6002C10SDR 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 ONCEMar 16, 2006 · Beech B200SDR 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 PMar 13, 2006 · N236KS · Cessna 206HSDR SWAA060805Mec · faultyNR 2 ENG N1 POWER ROLLED BACK 6 PERCENT. REMOVED AND REPLACED NR 2 ENG MEC PER MM.Mar 12, 2006 · N649SW · Boeing 7373H4SDR 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 RETURNEMar 7, 2006 · N617QX · Cndair CL6002C10SDR 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)Mar 4, 2006 · N323TZ · Boeing 73783NSDR 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)Mar 2, 2006 · N522AT · Boeing 75723NSDR 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 ASFeb 24, 2006 · N696MS · Cessna 172SSDR 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 Feb 22, 2006 · N807DH · Doug DC873FSDR 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.Feb 20, 2006 · Airbus A321211SDR 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 ENGFeb 17, 2006 · N653RW · Emb ERJ170100SDR C2XA06CL018Fadec · faultyCLE FLIGHT 3203 THE CREW REPORTED NR 1 ENGINE SURGING ON FADEC 1B. MAINTENANCE INSPECTED AND REPLACED FADEC 1B. OPERATIONAL CHECKS WERE GOOD.Feb 3, 2006 · N16919 · Emb EMB145LRSDR EMB06002Fadec · unknownMAINTENANCE - COMPLIED WITH TECH SERVICE ITEM DUE TO RECENT HISTORY. REMOVED AND REPLACED NR 2 ENGINE FADEC.Jan 31, 2006 · N818 · Emb ERJ170100SDR 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 RIGHTJan 31, 2006 · N601QX · Cndair CL6002C10SDR 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 2-303-901-01Jan 27, 2006 · N533XJ · Bac AVRO146RJ85ASDR 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.Jan 25, 2006 · N533XJ · Bac AVRO146RJ85ASDR 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 RTSJan 21, 2006 · N128UA · Boeing 747422SDR 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 OJan 11, 2006 · N198AA · Boeing 757223SDR 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.Jan 6, 2006 · N171DZ · Boeing 767332SDR 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 Jan 1, 2006 · N171DN · Boeing 767332SDR 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.Dec 19, 2005 · N821MD · Emb ERJ170100SDR 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, DEDec 15, 2005 · Cndair CL6002B19SDR MASA200501038Fadec · faultedASH 2638 CLT - RIGHT FADEC FAULT. MAINTENANCE RAN ENGINES NO FAULTS FOUND. OPS CHECK NORMALDec 15, 2005 · N920FJ · Cndair CL6002D24SDR AU510001525Hmu · faultyNR 1 ENGINE HYDROMECHANICAL UNIT (HMU) FAULTY. INVESTIGATION FOUND THE DEFECT WAS CAUSED BY FAILURE OF THE FMV RESOLVER BODY ASSEMBLY.Dec 12, 2005 · Boeing 737800*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.Dec 11, 2005 · N620AU · Boeing 757225SDR 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 GOODec 10, 2005 · N834NK · Doug DC983SDR 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. INSPDec 10, 2005 · N832NK · Doug DC983SDR 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 QUANTITDec 8, 2005 · N820BX · Doug DC871FSDR 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 ALREADYDec 7, 2005 · N1114Z · Beech C90ASDR 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.Dec 1, 2005 · N106QS · Beech 400ASDR 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 HMUNov 22, 2005 · N309UP · Boeing 76734AFSDR 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.Nov 20, 2005 · N508MC · Boeing 747230BSDR 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. FOUNDNov 16, 2005 · N615QS · Cessna 560XLSDR YTRR107130Hmu · inoperativeRESTART FAULT LIGHT ILLUMINATED DURING FLIGHT. UPON LANDING AND SHUT-DOWN, FADEC FAULT LIGHT ALSO ILLUMINATED. REPLACED HMU.Nov 15, 2005 · N309RL · Bell 407SDR 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 NOTNov 14, 2005 · Snias AS350BA
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