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 HEEA064336Connector · damagedSEVERAL PINHOLES ON CONNECTOR ARE CHIPPED AND ELONGATED. REFERENCE: DMR NR 686305.Sep 7, 1999 · N141MA · Bell 407SDR MALA976550Ecu · failedLEFT TORQUE GAUGE INOP, FAILED DURING CLIMB. MAINTENANCE REPLACED ECU PER CT7 MM 74-00-00 PAGES 406-410. COMPLETED OPS CHECKS PER CT7 72-00-00, TEST OPS CHECKS GOOD.Aug 27, 1999 · N991XJ · Saab SF340ASDR 99ZZZX4481Servo · failedENGINE RAN RICH, UNABLE TO ADJUST IDLE MIXTURE. REMOVED SERVO FROM ENGINE AND INSPECTED IDLE MIXTURE PLATE FOR GALLING, PLATE WAS FOUND GALLED. SERVO SENT TO PRECISION FOR REPAIR. THIS SERVO HAS ZERO HOURS TT SINCE NEW. ZERO HRS SINCE PRECISION REPAIRED SEAug 27, 1999 · N4123C · Piper PA34220TSDR 99ZZZX3582Mixture Plate · galledENGINE RAN RICH, UNABLE TO ADJUST IDLE MIXTURE. REMOVED SERVO FROM ENGINE AND INSPECTED IDLE MIXTURE PLATE FOR GALLING. PLATE WAS FOUND GALLED. SERVO SENT TO PRECISION FOR REPAIR. THIS SERVO HAS 24 HOURS TT SINCE NEW. 8 HOURS SINCE PRECISION REPAIRED SERVAug 26, 1999 · N4123C · Piper PA34220TSDR 99ZZZX3958P3 Line · brokenRIGHT ENGINE FAILED. ROLLED BACK TO IDLE. FOUND EXTERNAL P3 BLEED LINE BROKEN.Aug 23, 1999 · N575A · Beech 1900CSDR 99ZZZX3585Mixture Plate · scoredENGINE OPERATING SQUAWKS INCLUDE STIFF THROTTLES, ENGINES DYING, ROUGH RUNNING, AND IMPROPER FUEL MIXTURES. THE ENGINE PARAMETERS WERE RESET, BUT THE PROBLEMS RETURNED. THE MIXTURE CONTROL ON THE THROTTLE SIDE OF THE SERVO WAS DISASSEMBLED. FOUND THE BRASS Aug 18, 1999 · N4162K · Piper PA34220TSDR 99ZZZX3584Mixture Plate · scoredENGINE OPERATING SQUAWKS INCLUDE STIFF THROTTLES, ENGINES DYING, ROUGH RUNNING, AND IMPROPER FUEL MIXTURES. THE ENGINE PARAMETERS WERE RESET, BUT THE PROBLEMS RETURNED. THE MIXTURE CONTROL ON THE THROTTLE SIDE OF THE SERVO WAS DISASSEMBLED. FOUND THE BRASS Aug 18, 1999 · N4178R · Piper PA34220TSDR 99ZZZX3583Mixture Plate · scoredENGINE OPERATING SQUAWKS INCLUDE STIFF THROTTLES, ENGINES DYING, ROUGH RUNNING, AND IMPROPER FUEL MIXTURES. THE ENGINE PARAMETERS WERE RESET, BUT THE PROBLEMS RETURNED. THE MIXTURE CONTROL ON THE THROTTLE SIDE OF THE SERVO WAS DISASSEMBLED. FOUND THE BRASS Aug 18, 1999 · N4167B · Piper PA34220TSDR 99FDEA00335Pmc · overlimitDESTINATION THRU FL310 HAD ECAM MSG ENG 2 OVERLIMIT. IND WERE EVIDENT IN N1, EGT, N2 AND HI FF. PULLED THROTTLE TO IDLE & OVERLIMIT ABATED BUT NR 2 STILL MUCH HIGHER THAN ENG NR 1. DFDR VERIFICATION CONFIRMED OVERLIMIT (EGT, N1, N2). PERFORMED BORESCOPE PEAug 14, 1999 · N426FE · Airbus A310203SDR SWAA991353Hmu · failedDURING CLIMB WITH 99.7 PERCENT N1 POWER EXPERIENCED ENGINE VIBRATION, NR 2 ENG THRUST LEVER ALSO VIBRATED, REDUCED N1 TO 99 PERCENT AND VIBRATION WENT AWAY. REMOVED AND REPLACED NR 2 ENG HMU PER MM.Aug 12, 1999 · N704SW · Boeing 7377H4SDR 99ZZZX4336Actuator · inoperativeFUEL CONTROL ACTUATOR INOPERATIVE. WILL NOT MOVE IN EITHER DIRECTION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 11, 1999 · N485EC · Bolkms BO105SSDR AU990816Accumulator · faulty(AUS) NR 1 ENGINE FUEL SURGE ACCUMULATOR FAULTY. VISUAL POP-OUT ACTIVATED.Aug 10, 1999 · Bell 412SDR USAASB99192Fuel Control · unknownPIT - FLT 1279 - APPROXIMATELY 100 MILES EAST OF PIT, FLIGHT WAS CLEARED TO FL350 FROM FL290. CAPTAIN REPORTED A THROTTLE SPLIT WITH A 5 KNOT DIFFERENCE IN ENGINE THRUST DURING CLIMB. FLIGHT RETURNED TO FL290 AND THEN DIVERTED TO PIT WHERE THE FLIGHT LANDED Aug 5, 1999 · N223US · Boeing 737201SDR SWIA971535Hmu · malfunctionedTORQUE ON LEFT ENGINE FLUCTUATED AND THEN DROPPED OFF TO 26 PERCENT TORQUE ACCOMPANIED BY FUEL FLOW FLUCTUATION. PERFORMED PRECAUTIONARY ENGINE SHUTDOWN. RETURNED TO SLC. REMOVED AND REPLACED LEFT ENGINE HMU IAW RII 73-301 AND MM 73-21-00. OPS CHECKS GOOD.Aug 1, 1999 · N188SW · Emb EMB120ERSDR 99ZZZX3021Py Line · crackedTHIS PY AIR LINE CRACKED AND CAUSED SUDDEN DECELERATION. PILOT MADE NORMAL SINGLE ENGINE LANDING WITHIN PUBLISHED OEI LIMITATIONS. VIBRATIONS WERE RECORDED ON MAIN DRIVESHAFT. THE ENGINE ASSY AND MAIN DRIVE SHAFT WERE REPLACED.Jul 27, 1999 · N143CF · Bell 222USDR VTZA990238Fuel Control · out of adjustIAD/DHS - FLT 7347 - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO RT ENGINE NOT MAKING TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED RT ENGINE MAX FUEL FLOW. OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FJul 25, 1999 · N309UE · Jetair JETSTM4101SDR AU990681Sensor · faulty(AUS) LEFT ENGINE FAILED TO ACCELERATE ABOVE FLIGHT IDLE. NR 1 COMPRESSOR INLET TEMPERATURE SENSOR CHANGED.Jul 24, 1999SDR AALA991093Air Flow Control · defectiveJFK - FLT 763 - DURING TAKEOFF ISP/ORD, NR 2 ENGINE FAILED. ENGINE WAS RESTARTED IN-FLIGHT. EMERGENCY WAS DECLARED AND AIRCRAFT LANDED JFK WITHOUT INCIDENT. REPLACED AIR FLOW CONTROL REGULATOR ON NR 2 ENGINE. ALSO REPLACED NR 2 ENGINE FUEL FLOW REGULATOR AJul 23, 1999 · N1407D · Fokker F28MK0100SDR VTZA990248Fuel Control · out of adjustFLT 7602 - IAD-BGM - AIRCRAFT ABORTED TAKEOFF DUE TO RIGHT ENGINE ONLY MADE 94 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED RIGHT ENGINE MAX FUEL FLOW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVEJul 21, 1999 · N317UE · Jetair JETSTM4101SDR DL72S991641Bushing · wornON DESCENT INTO BHM, NR 2 THROTTLE RETARDED TO IDLE NR 2 ENG WENT TO HIGH POWER SETTING AND DID NOT RESPOND TO THROTTLE MOVEMENT. ACCOM PRECAUTIONARY ENG SHUTDOWN. OPENED NR 2 ENG COWLING AT GATE AND FOUND THE BUSHING ON THE FUEL CONTROL ROD WORN OUT. REPLAJul 21, 1999 · N528DA · Boeing 727232SDR VTZA990235Fuel Control · out of adjustIAD/CHO - FLT 7327 - DURING TAKEOFF, ABORTED TAKEOFF DUE TO RT ENGINE NOT MAKING SCHEDULED TORQUE. MAINTENANCE ADJUSTED RIGHT MAXIMUM FLOW. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)Jul 20, 1999 · N302UE · Jetair JETSTM4101SDR 99ZZZX3271Overspeed Box · failedNR 1 ENGINE FAILED IN-FLIGHT. INVESTIGATION AND TROUBLESHOOTING INDICATED THAT THE OVERSPEED BOX FAILED.Jul 20, 1999 · N576EH · Skrsky S76ASDR VTZA990245Fuel Control · out of adjustFLT 7486 - IAD-BUF - DURING TAKEOFF, CREW ABORTED TAKEOFF DUE TO NR 1 ENGINE RPM ROLLED BACK TO 99.5 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X-SCREW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TOJul 18, 1999 · N495UE · Bag JETSTM3201SDR SWAA991210Pmc · inoperativeAFTER TAKEOFF, NR 1 ENG N2, EGT AND FUEL FLOW INDICATIONS INOP DUE TO PMC. ALSO PMC INOP. REMOVED AND REPLACED NR 1 ENG PMC PER MM.Jul 18, 1999 · N322SW · Boeing 7373H4SDR VTZA990243Fuel Control · out of adjustFLT 7439 - IAD-GSO - CREW ABORTED TAKEOFF DUE TO NR 2 ENGINE RPM DROPPED TO 99.5 PERCENT ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X-SCREW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERJul 16, 1999 · N489UE · Bag JETSTM3201SDR CA990728086Gasket · misinstalled(CAN) NR 2 ENGINE OIL QUANTITY DECREASED DURING FLIGHT. AIRCRAFT LANDED. INVESTIGATION REVEALED THAT THE GASKET WAS NOT INSTALLED PROPERLY ON THE GEARBOX.Jul 15, 1999 · Lkheed 1011385114SDR AU990716Sensor · faulty(AUS) LEFT ENGINE T2/P2 SENSOR SUPECT FAULTY.Jul 14, 1999SDR SWAA991183Fcu · reqd serviceAIR TURNBACK, NR 1 ENG BEGAN A MINOR THRUST SURGE. THRUST SURGE WENT AWAY WITH REDUCTION OF THRUST. CLEANED NR 1 ENG PS3 AND PS4 MOISTURE TRAPS, SERVICED FCU WITH VERALUBE. PERFORMED ENG STATIC RIG AND TRIM RUN PER MM.Jul 13, 1999 · Boeing 7372H4SDR HEEA062888Hmu · failedHMU FAILED DRIVE SHAFT BACKLASH CHECK. REPLACED WITH SERVICEABLE PART.Jul 13, 1999 · N467PH · Bell 407SDR HEEA062887Hmu · malfunctionedRESTART FAULT AND FADEC DEGRADE LIGHTS ILLUMINATED ON SHUTDOWN. REPLACED WITH SERVICEABLE PART.Jul 13, 1999 · N407MM · Bell 407SDR HEEA062842Harness · failedHARNESS CAUSING FADEC DEGRADE AND RESTART FAULT LIGHTS. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N407MM · Bell 407SDR HEEA062836Transducer · malfunctionedTRANSDUCER CAUSED FADEC DEGRADE LIGHT TO ILLUMINATE. REPLACED WITH SERVICEABLE ASSY.Jul 12, 1999 · N720PH · Bell 407SDR VTZA990209Fuel Control · out of adjustIAD/RIC - FLT 7245 - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO LT ENGINE HAD A DUCT FAIL WARNING LIGHT AND ONLY MADE 93 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED DUCT Jul 10, 1999 · N317UE · Jetair JETSTM4101SDR 99ZZZX3658B-Nut · failedFAILURE - B-NUT FLAIREDJul 10, 1999 · N5746N · Bell 206L1SDR VTZA990208Fcu · failedIAD/ORF - FLT 7325 - DURING APPROACH, AIRCRAFT MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS NR 2 ENGINE FLAMED OUT ON APPROACH. AIRCRAFT LANDED AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED FUEL CONTROL Jul 9, 1999 · N323UE · Jetair JETSTM4101SDR MALA976512P3 Switch · failedON TAKEOFF DURING ROTATION, THE LEFT IGNITION LIGHT ILLUMINATED AND STAYED ON UNTIL ABOUT 5,500 FEET. ALL ENGINE INSTRUMENTS APPEARED NORMAL. CREW RETURNED TO DTW. MAINTENANCE RAN AIRCRAFT FOR 30 MINUTES AND COULD NOT DUPLICATE ON GROUND. MAINTENANCE REPLAJul 6, 1999 · N76XJ · Saab SF340ASDR VTZA990189Fuel Control · out of adjustIAD/RDU - FLT 7639 - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO LT ENGINE WOULD NOT MAKE UNSCHEDULED TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED LT MAX FUEL FLOW, OPS CHECK OK. AIRCRAFT RELEASED AND APJul 4, 1999 · N305UE · Jetair JETSTM4101SDR ASOA99057P3 Line · brokenFLT 4882 - JUST BEFORE LANDING CHECK, FO NOTICED POWER LOSS ON RIGHT ENGINE NP FLUCTUATING 10-20 PERCENT. ENGINE THEN FAILED THE FLIGHT CHECK WAS CALLED FOR AND EXECUTED, FOLLOWED BY SINGLE ENGINE AND LANDING CHECKLIST, WHILE CONTINUING TO APPROACH. TOWER WAJul 1, 1999 · N639AS · Emb EMB120ERSDR RAIA990649Valve · failedBMI - FLT 7313 - RIGHT ENGINE EGT FLUX BETWEEN 700 AND 900 DEGREES. MAINTENANCE REPLACED FUEL BYPASS VALVE ON RIGHT ENGINE. (X)Jun 30, 1999 · N875JX · Bag JETSTM3201SDR CA990728004Electronic Cntrl · failed(CAN) ON TWO OCCASIONS, THE FLIGHT CREW EXPERIENCED A TORQUE ROLLBACK ON NR 1 ENGINE DURING CLIMB-OUT. THE EEC HAD REVERTED BACK TO MANUAL. CYCLING THE SELECTOR BROUGHT IT BACK ON LINE. EEC REPLACED.Jun 28, 1999 · Dhav DHC8102SDR RAIA990648Valve · failedBMI - FLT 7325 - LEFT ENGINE BYPASSING FUEL. MAINTENANCE REPLACED LEFT ENGINE FUEL BYPASS VALVE. (X)Jun 27, 1999 · N428AM · Bag JETSTM3201SDR SWAA991083Hmu · failedENGINE/AIRFRAME VIBRATION AT 67 PERCENT N1 DURING APPROACH. REMOVED AND REPLACED NR 1 ENG HMU.Jun 25, 1999 · N704SW · Boeing 7377H4SDR MASA99105Computer · failedPHX/TEX - FLT 6360 - IN-FLIGHT, THE AIRCRAFT LOST TORQUE IN THE NR 2 ENGINE. THE CREW SHUT THE ENGINE DOWN AND DECLARED AN EMERGENCY. THE AIRCRAFT WAS RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE MFC. OPS CHECK GOOD.Jun 25, 1999 · N444YV · Dhav DHC8202SDR GAIA9974O-Ring · deterioratedDURING BOS-TOL - FLT 715 - DURING DESCENT AT FL280, THE FLIGHT CREW NOTICED THAT THE NR 1 ENGINE WOULD ONLY PRODUCE PARTIAL POWER. THE FLIGHT CREW PERFORMED A PRECAUTIONARY ENGINE SHUTDOWN ON THE NR 1 ENGINE AND DECLARED AN EMERGENCY. THE AIRCRAFT CONTINUED Jun 16, 1999 · N284KH · Boeing 7272J0SDR 99ZZZX2460Bearing · wornBEARING WORN ON FCU.Jun 11, 1999SDR SWAA990994Hmu · malfunctionedHEAVY AIRFRAME VIBRATION AT 35000 FT FLIGHT LEVEL, 260 KNOTS, 92 PERCENT N1. VIBRATION GOES AWAY WHEN POWER REDUCED. REMOVED AND REPLACED NR 2 ENGINE HMU PER MM.Jun 10, 1999 · N701GS · Boeing 7377H4SDR 99UAL900312Speed Card · malfunctionedFLIGHT RETURNED TO ORD DUE TO THE LOSS OF THE NR 2 ENGINE SPEED CARD. REPLACED THE N-2 SPEED CARD AND ENGINE CHECKED OK ON THE CONTINUING FLIGHTS.Jun 6, 1999 · N559UA · Boeing 757222SDR AU990557Eec · faulty(AUS) RT ENGINE ELECTRONIC CONTROL UNIT FAILED.Jun 5, 1999SDR VTZA990128P3 Line · crackedFLT 7631 - IAD-RDU - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO RIGHT ENGINE WOULD NOT MAKE MORE THAN 60 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED P3 LINE, OPS CHECKED OK. AIRCRAFMay 28, 1999 · N470UE · Bag JETSTM3201SDR VTZA990127Fuel Control · out of adjustFLT 7193 - IAD-ROA - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO LEFT ENGINE DID NOT MAKE TORQUE WITHIN 10 SECONDS. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED ADJUSTED X-SCREW. OPS CHECKED OK. AIRCRAFT WAS RELEASED AMay 28, 1999 · N492UE · Bag JETSTM3201
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