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 RAIA980706Gasket · leakingSTL - FLT 7348 - NR 1 ENGINE WOULD NOT PRODUCE TARGET TORQUE. REPLACED BLEED AIR GASKET. (M)Jul 8, 1998 · N430AM · Bag JETSTM3201SDR RAIA980705Hmu · malfunctionedSTL - FLT 7417 - NR 1 WOULD NOT PRODUCE TAKEOFF TORQUE. REPLACED HYDRO-MECHANICAL UNIT. (M)Jul 6, 1998 · N425TE · Aerosp ATR42300SDR RAIA980702Screw · looseFLT 7466 - STL - RIGHT SPEED LEVER LINKAGE SELF LOCKING ALLEN HEAD FASTENER LOOSENED CAUSING LINKAGE TO SEPARATE FROM UNDER SPEED FUEL GOVERNOR SPLINE. MAINTENANCE REPLACED SCREW PERFORMED RIGGING AND RUN. (M)Jul 1, 1998 · N429AM · Bag JETSTM3201SDR DLL14991489Ps2 Line · leakingNACELLE NR 2 OVERHEAT ILLUMINATED ALONG WITH NR 2 ENG NAC/PYLON OVERHEAT, A & B ILLUMINATED. FOUND PRSOV PS2 LINE LEAKING. REPLACED LINE AND LEAK CHECKED. PERFORMED HIGH POWER RUN PER PFHB. NO FAULTS DETECTED.Jul 1, 1998 · N741DA · Lkheed 1011385115SDR HEEA0015035Fadec Horn · defectiveFADEC HORN WEAK AND INAUDIBLE WITH ENGINE RUNNING.Jun 26, 1998 · N408PH · Bell 407SDR HEEA0014934Hmu · failedFADEC FAILURE.Jun 22, 1998 · N403PH · Bell 407SDR HEEA0014931Hmu · malfunctionedFUEL METERING VALVE RATE FAULT.Jun 22, 1998 · N402PH · Bell 407SDR HEEA0014762Actuator · malfunctionedMOTOR ROTATES TOO LONG BEFORE SHAFT MOVES.Jun 11, 1998 · N1545X · Skrsky S76ASDR HEEA0014761Actuator · malfunctionedACTUATOR MOTOR ROUTES TOO LONG BEFORE SHAFT TURNS.Jun 11, 1998 · N1545X · Skrsky S76ASDR AU980642Bracket · broken(AUS) ENGINE INDUCTION SYSTEM BALANCE TUBE SUPPORT BRACKET BROKEN. ENGINE BACKFIRE CAUSED BALANCE TUBE TO COME OUT OF RUBBERS.Jun 11, 1998 · Cessna 182ASDR CA980707008Hmu · malfunctioned(CAN) NR 2 ENGINE HAD A TORQUE SURGE ON TAKEOFF. ENGINE WIRING HARNESS WAS INSPECTED AND FOUND A-C PIN OPEN AT P10. PI N CLEANED. ENGINE EEC REPLACED, WING ROOT CANNON PLUGS CLEANED. HYDRO MECHANICAL UNIT (HMU) AND FUEL PUMP REPLACED. ENGINE GROUND RUN SERVJun 9, 1998 · Dhav DHC8301SDR 98UAL900270Control Cable · wornMULTICONDUCTOR CABLE AT AREA WHERE ROUTED THROUGH PYLON, HAS BRAIDED JACKET, INSULATION OVER WIRES, AND RUBBER PAD ON CABLE CLAMP IS EATEN AWAY BY SURFACE VIBRATION OR FOREIGN OBJECT DAMAGE FROM SUBSTANCES IN AIR BLOWING OVER CABLE. NR 2 AND 3 PYLONS ARE AFFEJun 9, 1998 · N185UA · Boeing 747422SDR AU980625Line · broken(AUS) RT ENGINE P3 LINE FOUND BROKEN AT COMPRESSOR CASE FLANGE END. SUSPECT CAUSED BY CONTINUALLY DISCONNECTING AND RECONNECTING THE LINE FOR ENGINE COMPRESSOR WASHES.Jun 6, 1998SDR MZZA98162Ps4 Line · rupturedFLT 956 - KSA - DURING STAGE 2 CLIMB SEGMENT AT POWER REDUCTION TO CLIMB POWER, EPR DROPPED .30, FUEL FLOW DROPPED TO 1000 PPH, AND EGT ROSE TO NEAR REDLINE. AIR RETURN TO KSA. MAINTENANCE FOUND PRBC PS-4 LINE LEAKS 1PC 75-30-0-1, ITEM 30 PG-0/FIG-1. REMOVEJun 3, 1998 · N79743 · Boeing 727224SDR HEEA0014465Servo Motor · faultyUNABLE TO ADJUST AND SLIP.Jun 2, 1998 · N911DD · Bolkms BO105SSDR HEEA0014464Servo Motor · inoperativeSERVO WILL NOT EXTEND OR RETRACT.Jun 2, 1998 · N50293 · Bolkms BO105SSDR HEEA0014463Actuator · inoperativeACTUATOR INOPERATIVE.Jun 2, 1998 · Bolkms BO105SSDR REXA98097Hmu · failedLEFT ENGINE TORQUE WENT TO ZERO AND ITT WENT TO 900 DEGREES AT 1,500 FEET. SHUT DOWN ENGINE. PERFORMED ENGINE INSPECTION, NO DISCREPANCIES NOTED. CHANGED HMU PER GE RECOMMENDATION FOR TROUBLESHOOTING PURPOSES. (X)May 26, 1998 · N325PX · Saab SF340ASDR JBXA980038Connector · dirtyAT FL 240, AND 300 KIAS, NR 2 ENGINE N1 ADVANCED TO 101 PERCENT RPM AND AIRFRAME RUMBLE OCCURRED. PULLED POWER TO IDLE, INDICATIONS. RETURNED TO NORMAL. LEFT POWER AT IDLE AND LANDED. N2 AND ITT WERE RISING WITH N1. INSPECTED NR 2 ENGINE IAW AMM 71-00-00 FMay 20, 1998 · N572ML · Cndair CL6002B19SDR CA980602067Temp Limiter · malfucntioned(CAN) AIRCRAFT LIMITING FUEL ON RIGHT HAND ENGINE AT 620 DEGREES CELSIUS. TEMPERATURE LIMITER SYSTEM WAS DEFERRED, AND SYSTEM DISABLED BY PULLING TEMPERATURE LIMITER CIRCUIT BREAKER. UNKNOWINGLY, THIS ALSO DISABLED THE WATER METHONAL ON THE SAME SIDE. NO INMay 19, 1998SDR AU980553Pipe · cracked(AUS) DP/P TRANSDUCER RIGID SUPPLY PIPE CRACKED AROUND BEND RADIUS.May 19, 1998 · Swrngn SA227ACSDR AU980546Pipe · loose(AUS) NR 1 ENGINE 9TH STAGE FUEL LINE (TC2 SENSE LINE) TO TURBINE, CLEARANCE CONTROL VALVE `B' NUT LOOSE.May 17, 1998SDR AU980946Py Line · cracked(AUS) ENGINE PY LINE CRACKED AT END FITTING FERRULE.May 15, 1998 · Emb EMB110P1SDR COMA9860102Vg Actuator · leakingFUEL DRIPPING FROM LEFT HAND ENGINE DRAIN. REPLACED THE INBOARD VG ACTUATOR.May 12, 1998 · N977CA · Cndair CL6002B19SDR AALA980939Seal · failedDFW - FLT 795 - DURING CRUISE, EN ROUTE STL-DFW NR 1 ENGINE REQUIRED 1500 LBS MORE FUEL FLOW THAN NR 2 AND 3 ENGINES TO MAINTAIN CRUISE POWER. NR 1 ENGINE WENT TO IDLE AND THAN FLAMED OUT. LANDED DFW WITHOUT INCIDENT. REPLACED SEAL TO P AND D VALVE. ACCOMPMay 10, 1998 · N863AA · Boeing 727223SDR 98ZZZX2024Fmu · failedON ENGINE START AFTER PUSH-BACK, ALL PARAMETERS DECREASED RAPIDLY AFTER STARTER CUT-OUT. TROUBLESHOOTING RESULTED IN THE REPLACEMENT OF THE FUEL METERING UNIT (FMU). ALL PARAMETERS WERE SUBSEQUENTLY FOUND NORMAL AFTER AN OPERATIONAL CHECK WAS PERFORMED. THEMay 8, 1998 · N838AB · Airbus A310324SDR HEEA0014130Fadec Horn · defectiveFADEC FAIL HORN SOUNDS WEAK.May 7, 1998 · N457PH · Bell 407SDR CALA9800811Sensor · inoperativeNUMBER TWO ENGINE FAILED TO RESPOND TO THROTTLE MOVEMENTS DURING CLIMB. REPLACE NUMBER TWO ENGINE COMPRESSOR INLET TEMP SENSOR PER MM 73-21-02.May 7, 1998 · N33637 · Boeing 737524SDR AU980521Pipe · failed(AUS) LT ENGINE P3 DISCHARGE PIPE FRACTURED AT THE FLARED END ATTACHEDTO THE P3 FILTER.May 7, 1998 · Beech 1900CSDR NOCA1398Governor · malfunctionedON TAKEOFF, MAX EPR ATTAINABLE FROM LEFT ENGINE WAS 1.46. TAKEOFF REJECTED. REPLACED LEFT ENGINE FUEL FLOW GOVERNOR. OPS CHECK NORMAL. (M)May 6, 1998 · N757NA · Boeing 75723ASDR PLGA980505AConnector · dirtyBOS - FLT 4366 - WHILE AT CRUISE, CREW REPORTED A TORQUE SURGE AND N1 FLUCTUATION ON LEFT ENIGNE WHILE ALL OTHER ENGINE PARAMETERS WERE NORMAL. ENGINE WAS PUT IN TORQUE MOTOR LOCKOUT AND AIRCRAFT CONTINUED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEAMay 5, 1998 · N366BE · Saab 340BSDR ORJA9889Fuel Control · malfunctionedENGINE SHUT DOWN DUE TO THE FACT THAT THE RIGHT ENIGNE WOULD NOT IDLE BELOW 68 PERCENT N2. ENTERED DMI NR 13546. (M)May 5, 1998 · N822RA · Doug DC982SDR RAIA980501P2 Sensor · failedBOS - FLT 7707 - LEFT RED BETA LIGHT ILLUMINATED WHEN BOTH POWER LEVERS WERE ADVANCED ABOVE FLIGHT IDLE. MIANTENANCE INSPECTED AND REPLACED LEFT ENGINE P2 INLET SENSOR. (X)May 4, 1998 · N553HK · Jetair JETSTM4101SDR WTAA980074Hmu · failedSBA - AT 14,000 FT, LEFT ENGINE TORQUE DROPPED TO ZERO AND T6 DROPPED TO 200-300 DEGREES. CREW SHUT DOWN ENGINE AND RETURNED TO THE STATION WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE HMU. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICEMay 3, 1998 · N193YV · Emb EMB120RTSDR P5CA9800766Actuator · inoperativeNR 4 ENG FAILED IN CRUISE. TRIED TO RELIGHT 2 TIMES AT 2 DIFFERENT ALTITUDES AND WOULD NOT RELIGHT. REMOVED ENGINE FUEL CONDITION MOTOR ACTUATOR PER MM 76-11-04 PG 401 TO 404. GROUND CHECK OK STATICALLY. INSPECTED FUEL PUMP FILTER, NO CONTAMINATION FOUND. May 1, 1998 · N853FT · Boeing 747122SDR 98ZZZX1683Control Cable · frayedCABLE FRAYED AND BEARING WORN OUT CAUSING BINDING OF N2 LINKAGE. SUBMITTER SUGGESTED INSTALLING A BETTER, MORE RELIABLE SYSTEM.Apr 27, 1998 · N942MS · Aerosp AS355F2SDR 9807022298Moisture Trap · contaminatedAS TAKEOFF POWER WAS APPLIED, THE LEFT ENIGNE WOULD NOT REACH TARGET EPR INDICATION. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE DRAINED FUEL CONTROL MOISTURE TRAP. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.Apr 22, 1998 · N298US · Boeing 727251SDR 98ZZZX2091Fadec · malfunctionedEIGHT PERCENT DROOP OCCURRED WHEN GOING FROM RIGHT PEDAL TO LEFT PEDAL IN-FLIGHT. REPLACED WITH ZERO TIME FADEC ASSY. (ECU) SUPPLIED BY CHANDLER EVANS. DEFECTIVE UNIT RETURNED TO MANUFACTURER.Apr 20, 1998 · N605AS · Doug 600NSDR CA980422007Control Cable · frayed(CAN) DURING 400-HOUR INSPECTION. FOUND THE RIGHT HAND ENGINE CONDITION LEVER CABLE FRAYED BEYOND LIMITS. CABLE FRAYED AT PULLEY, FORWARD OF ENGINE FIREWALL. PART TC: 17,896.Apr 17, 1998 · Dhav DHC8102SDR 99ZZZX889Eec · failedENGINE UNRESPONSIVE TO THROTTLE MOVEMENT. TROUBLESHOT FADEC FAULT 'TE' (ENGINE SPEED LIMITED AT IDLE WHEN INTRANSIT DISCRETE). FADEC 'SEES' THRUST REVERSER INTRANSIT, HOLDS ENGINE AT IDLE. FOUND ELECTRONIC ENGINE CONTROL AT FAULT. REPLACED EEC. OPS CHECK Apr 17, 1998 · N410US · Braero BAE1251000ASDR HEEA0013973Fuel Control · failedAFCU BROKEN. FOUND PX-PY ADAPTER BROKEN. REPLACED WITH SERVICEABLE PART.Apr 16, 1998 · Bell 412SDR 98ZZZX1684Actuator · failedINTERNAL BREAKDOWN OF AIR FLOW MODULATOR (FLOW FENCE ACTUATOR) CAUSED THE OCCURRENCE OF COMPRESSOR STALLS DURING APPROACH TO LANDING.Apr 16, 1998 · N967LS · Bolkms BK117A3SDR USAASB98094Pmc · failedCLT - FLT835 - ON CLIMB-OUT FROM CLT, THE NR 1 ENGINE N1 AND ALL ENGINE PARAMETERS BEGAN FLUCTUATING. CREW COULD HEAR THAT THE ENGINE WAS SURGING. FLIGHT RETURNED TO FIELD AT CLT. ON APPROACH, ENGINE STABILIZED. FLIGHT LANDED WITHOUT FURTHER INCIDENT WITH Apr 14, 1998 · N519AU · Boeing 7373B7SDR CA980421007Fcu · failed(CAN) HELICOPTER IN HOVER, ENGINE DECELERATED TO IDLE. THROTTLE CONTROL IN FULL POSITION. PILOT AUTOROTATED TO RAMP. THROTTLE ROLLED BACK TO IDLE AND THEN BACK TO FULL AND ENGINE RESPONDED NORMALLY. FUEL AND AIR OF FCU AND GOVERNOR WERE LEAK CHECKED OK. FCApr 13, 1998 · Bell 206BSDR CA980415006Actuator · leaking(CAN) FOUND NR 2 ENGINE LEAKING FUEL WHEN DOING WALKAROUND. TRACED LEAK TO VBV ACTUATOR MOTOR. REPLACED MOTOR, ENGINE RUN CARRIED OUT AND FUNCTIONALLY AND LEAK CHECKED SERVICEABLE. AIRCRAFT RETURNED TO SERVICE.Apr 8, 1998 · Airbus A320211SDR AU980378Pipe · fractured(AUS) RT ENGINE NR 4 INJECTOR LINE FRACTURED ADJACENT TO THE INJECTOR NOZZLE.Apr 6, 1998 · Piper PA31SDR SABA980024Gasket · tornCLT/GSP - FLT 9101 - THE LEFT ENGINE WAS SHUT DOWN IN-FLIGHT BY THE AIRCREW. THE LEFT ENGINE WAS HAVING SEVERE TORQUE FLUCTUATION BETWEEN ZERO PERCENT AND 70 PERCENT. THE AIRCRAFT WAS 12 MILES OUT, ON DESCENT TO GSP. IN-FLIGHT EMERGENCY DECLARED. EMERGENCYApr 2, 1998 · N170PC · Bag JETSTM3101SDR CA980415002Hmu · malfunctioned(CAN) AFTER TAKEOFF, NR 1 ENGINE HAD A 20 PERCENT TORQUE ROLLBACK. POWER LEVER WAS ADVANCED TO RESTORE POWER. AFTER CRUISE ESTABLISHED, THERE WAS AN ABRUPT UNCOMMANDED INCREASE IN TORQUE. AFTER NORMAL ARRIVAL, THE HYDRO MECHANICAL UNIT, THE FUEL PUMP WERE RApr 2, 1998 · Dhav DHC8102SDR SABA980020Gasket · tornISO - FLT 5022 - ON FLIGHT FROM ISO/CLT, PILOT ABORTED TAKEOFF FOR LEFT ENGINE BARELY MAKING 92 PERCENT TORQUE. NO EMERGENCY WAS DECLARED. AIRCRAFT RETURNED TO PARKING. MAINTENANCE FROM CLT REMOVED AND REPLACED THE P-3 GASKET. AIRCRAFT RU N AND OPS CHECKEDMar 30, 1998 · N963AE · Bag JETSTM3201SDR CA980415012Valve · malfunctioned(CAN) DURING ENGINE SPOOL-UP IN PREPARATION TO TAKEOFF, NR 1 ENGINE EXPERIENCED MULTIPLE COMPRESSOR STALLS. AIRCRAFT RETURNED TO THE RAMP. ENGINE INSPECTED FOR DAMAGE AND F.O.D. NO DISCREPANCIES FOUND. FUEL PRESSURIZATION AND DUMP VALVE ADJUSTED. ENGINE Mar 30, 1998 · Boeing 72722
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