JASC 7321
Service difficulty reports · 2,878
Reports filed under 7321 · Fuel Control/Turbine Engines, 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 = '7321' 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 = '7321' 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 UALA2011091204943Eec · faultySTATUS MSGL ENG SEC CONTL ENG PRI CONT REPLACED NR 1 ENG EEC PER AMM. RAN ENG TO VERIFY. ALL OPS NORMAL. NO MESSAGES ADVISED LM ENG CONTROLLER, NO VERIFICATION FLIGHT REQUIRED FOR ETOPS A/C.SDR UALA2011090504795Fmu · faultyNR 1 ENGINE "ENGINE VALVE" LIGHT ON WITH FUEL SWITCH IN CUTOFF POSITION. REPLACED NR 1 ENGINE FUEL METERING UNIT IAW AMM. IDLE RUN CHECKS OK, NO LEAKS NOTED. ENGINE AND SPAR VALVE LIGHTS CHECK OKAY.SDR 3HCR20110902001Fuel Control · failedFUEL CONTROL BENCH CHECKED. FOUND CUT-OFF IMPROPERLY WORKING DURING TEST.SDR UALA2011090204736Eec · faultyDUE TO REPEAT L. ENG SEC CONT STATUS MSG ALONG WITH EPCS MSG'S S-EEC, S273-14, S273-15, S273-16, S273-22 REPLACE NR 1 ENGINE EEC. REPLACED LEFT ENG EEC PER M1597 INSTRUCTIONS AND MM, NO FAULTS FOUND. PCN 481-9246.SDR CA110901004Fuel Control · leaking(CAN) FUEL LEAK FROM HMU METERING HEAD REGULATOR COVER BOLTS. THERE IS A CEB 73-6054 OUT FOR A ONE TIME TORQUE CHECK ON THE BOLTS THIS CEB WAS CARRIED OUT AT OVERHAUL.SDR UALA2011082904616Fmu · faultyNR 1 ENG START EICAS MSG AND LIGHT L ENG FUEL VLV. REPLACED LEFT FMU PER MM, ACP'D LEAK & OPS CHECK AND IDLE RUN. ALL CHECKED NORMAL.SDR Z5FA082811N420CS1Fcu · defectiveDESCENDING OUT OF FL450 THE RT ENGINE FLAMED OUT. THE EMERGENCY CHECKLIST WAS FOLLOWED AND AN EMERGENCY WAS DECLARED WITH ATC. AT FL200 AN ENGINE AIR START GENERATOR ASSIST WAS PERFORMED IAW THE CHECKLIST AND THE ENGINE STARTED AT APPROX 16,000 FT. ENGINE PARSDR CA110826004Fcu · failed(CAN) EIR PT6A-093 BACKGROUND: THE OPERATOR REPORTED AN UNCONTROLLED SLOW INCREASE OF NG SPEED (COMPRESSOR TURBINE SPEED), TORQUE AND ITT (INTER TURBINE TEMP) DURING FLIGHT WITHOUT ANY AUTHORITY FROM THE COCKPIT ALSO THERE WAS NO RESPONSE FROM THE ENGINE WHENSDR UALA2011082404540Fmu · leakingNR 2 ENG FMU LEAKING FUEL. REMOVED FMU PER AMM. REPLACED FMU, LEAK CHECKS GOOD.SDR UALA2011082404530Fmu · faultyCREW REPORTED CANNOT SHUT NR 2 ENG WITH FUEL CUTOFF LEVER, PULLED FIRE HANDLE TO KILL NR 2 ENG. LATCHED MSG 73-60212 AND 73-40232. CLEARED MAINTENANCE MESSAGE PER MM TASK. RAN ENGINE ALL SYSTEM CHECKS NORMAL. NO MESSAGE AT THIS TIME. ALSO SHUTS OFF NORMALSDR GLBA20110823GFuel Control · leakingPILOT REPORTED THAT THE RT ENGINE IS LEAKING FUEL FWD OF THE WHEEL WELL, DRIPPING STOPS ATFTER SHUTDOWN. MX REPLACED THE RT FCU IAW TC 1900-7320.00 AND REPLACED HP PUMP IAW MM 73-10-02 SEC 6, REPLACED STARTER GEN, RIG CHECKS, RUN AND LEAK CHECKED GOOD.SDR UALA2011082204444Fmu · malfunctionedL ENG SLIGHT FLUCTUATION PER SAM TURNED ON WING AND ENG ANTI-ICE, NO HELP. REPLACED FUEL METERING UNIT. IDLE LEAK CHECK AND NO LEAKS NOTED.SDR CA110819001Fcu · failed(CAN) FOUND FUEL CONTROL UNIT FAILED RESULTING IN AN ENGINE OVERTEMP AND OVERSPEED EVENT. THE FCU/FUEL PUMP COUPLING WAS FOUND TO BE BROKEN INDICATING AN FCU INTERNAL FAILURE. IT WAS ALSO FOUND THAT THE FCU SHAFT BEARING WAS BROKEN WITH BEARING BALLS AND CASDR UALA2011081804405Fmu · leakingNR 2 ENG FUEL LEAKING DURING DRY MOTOR CHECK, LEAKING FROM FUEL TUBE. REPLACED SEALS FROM FUEL TUBE BETWEEN FUEL PUMP AND FUEL CONTROL, FUEL CONTROL STILL LEAKING. FOUND NR 2 FMU PLUG LEAKING. REPLACED FMU PER MM. OPS OKAY.SDR CA110831007Cable · disconnected(CAN) THE FUEL CONTROL CABLE END (KNOWN AS THE "END EQUIPPED") INADVERTENTLY BECAME DISCONNECTED FROM THE BALL JOINT ON THE FUEL CONTROL ARM . THE SAFETY MECHANISM WAS INSTALLED AT THE TIME.SDR ASAA11510216Eec · failedCB P18 2 A5 FOUND POPPED ON PREFLIGHT. ENG NR 1 ALTN PWR CHANNEL A. TROUBLESHOT SYSTEM FOUND NR 1 ENG EEC BAD. REPLACED EEC. REF: AMM 73 21 60. OPS NORMAL.SDR UALA2011081004179Fmu · faultyLEFT ENGINE SHUTDOWN SLOW. RAN ENGINE AT GATE TO CONFIRM: UPON DESELECTING FUEL CONTROL SWITCH FUEL FLOW DIPPED, ENGINE STARTED TO SHUT DOWN, BUT THEN REBOUNDED WITH FUEL FLOW RISING AGAIN, FINALLY SHUTTING DOWN AFTER 30 SEC. ACFT GENERATED MAINTENANCE MESSSDR 3HCR20110804001Housing · misrepairedTEARDOWN FOR O/H. INSPECTED. FOUND REPAIR TO MAIN FLOW BODY THAT IS NOT IN CMM 15-673C.SDR CA110803028Fuel Control · leakingMX WAS TROUBLESHOOTING A DEFECT RELATED TO POWER LEVER SPLIT IN CRUISE, THE MAX POWER ADJUSTMENT CAP WAS REMOVED FROM THE BACK OF THE FCU. THE BACK OF THE FUEL CONTROL, WHICH IS NORMALLY DRY, WAS COMPLETELY FULL OF FUEL. AN INTERNAL LEAK WAS SUSPECTED AND THESDR DUFA20110002O-Ring · cutWHILE ON TAKEOFF, THE PILOT BEGAN TO LOSE POWER FROM THE RT ENGINE. HE IMMEDIATELY PULLED THE "STOP & FEATHER" CONTROL AND SECURED THE ENGINE. HE COMPLETED A GO AROUND TO AN UNEVENTFUL LANDING. MX WAS CALLED AND IT WAS DISCOVERED THAT ONE OF THE O-RINGS THATSDR CA110803025Fcu · failedACFT EXPERIENCED COMPRESSOR STALLING. FCU REPLACED.SDR UALA2011072703871Eec · faultyDUE TO BURNED PINS FOUND ON NR 2 ENG EEC ALTERNATOR STATOR EEC STATOR NEEDS TO BE REPLACED. REPLACED NR 2 ENG EEC STATOR PER MM. STILL NEEDS IDLE LEAK CHECK TEST NR 3. FOUND BURNT PINS AT EEC ALTERNATOR. HARNESS TO CONNECTOR IS BAD, FASTER TO CHANGE ENGINESDR CA110727006Fcu · failedFCU INSTALLED IN ACFT WITH 585.2 HRS TSO AND 0.0 HRS TSI. FCU WOULD NOT SPOOL UP FROM GROUND IDLE TO FLIGHT IDLE.SDR UALA2011071903662Eec · dentedNR 1 ENGINE EEC DENT DUE TO CONTACT OXYGEN CART. REPLACED PER AMM.SDR M7KA201107214340Hmu · failedACFT EXPERIENCED A FORCED LANDING. ON THE FIRST SCHEDULED STRIP TOUR AT DUSK, THE PILOT SUDDENLY NOTED SOME UNUSUAL MODERATE LATERAL VIBRATIONS IN THE AIRFRAME. PILOT IMMEDIATELY DIVERTED BACK TO THE AIRPORT AND JUST SHORT OF FLARING THE ACFT INTO THE HOVER/SDR CA110803002Fuel Control · inoperativeDURING INITIAL CLIMB, 50 TO 100 FT OF THE GROUND, THE ENGINE LOST POWER AND FLAMED OUT. THE CREW APPLIED PROCEDURES FOR OEI AND CLIMBED TO FL40 BEFORE RETURNING TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. POST FLIGHT INSP FOUNDSDR SWAA115228Eec · faultyNR 2 ENGINE SLOW TO DE-ACCELERATE WHEN THRUST LEVERS RETARDED TO IDLE. REMOVED AND REPLACED NR 2 ELECTRONIC ENGINE CONTROL PER MM.SDR CA110720002Fuel Control · faultyACFT WAS COMING IN FOR LANDING WHEN PILOT NOTICED ENGINE POWER LOSS. LANDED SAFELY AND WHEN THE ACFT CAME TO A STOP, THE COMPRESSOR SPEED (NG) HAD DROPPED DOWN TO 10 PERCENT. TROUBLESHOOTING LEAD TO A FAULTY FUEL CONTROL UNIT WHICH WILL BE REPLACED BEFORE THSDR REXA201100446Fuel Control · out of rigCREW STATES THAT WHEN THE RIGHT TR WAS STOWED THE ENG FLAMED OUT. AFTER LANDING IN DTW FROM CWA RE-RIGGED RIGHT ENG. FUEL CONTROL IAW AMM 73-20-00 & RERIGGED RIGHT ENG THROTTLE GEARBOX IAW AMM 72-60-00 ALL SYSTEMS OP'S CHECKED GOOD. AWAITING RESULTS OF DFDRSDR CA110720006Fuel Control · malfunctionedINABILITY TO MODULATE THRUST DURING APPROACH PHASE OF FLIGHT, PILOT REPORTED UNCOMMANDED ROLLBACK TO IDLE SPEED, FOLLOWED BY AMBER MASTER WARNING LIGHT. THE ACFT LANDED SAFELY AND POST FLIGHT TROUBLESHOOTING FOUND WATER IN THE PNEUMATIC LINE LEADING TO THE P2 SDR UALA2011071203488Eec · faultyENGINE IDLE DISAGREE EICAS AFTER LANDING LEFT ENG FF 2000 LBS AND RT ENG FF 1500 LBS. REPLACED LT EEC PER MM.SDR UALA2011071103444Eec · faultyENGINE IDLE DISAGREE EICAS AFTER LANDING. LT ENG FF 2000 LBS AND RT ENG FF 1500 LBS. REPLACED LT EEC PER MM.SDR 3HCR7720111Bearing · roughBASIC INSPECTION OF UNIT: FOUND DRIVE BEARINGS VERY ROUGH.SDR SWAA114854Eec · faultyDURING DESCENT FROM CRUISE NR 2 ENGINE HUNG AT 71 PERCENT N1 WITH THROTTLES AT IDLE. HUNG FOR 1 MIN THEN N1 RETURNED TO NORMAL IDLE THRUST. EVENT HAPPENED TWICE THEN NOT AGAIN FOR FLIGHT. REMOVED AND REPLACED NR 2 EEC PER MM.SDR CA110711016Fcu · inoperativeRIGHT ENGINE N1 AND TORQUE ACCELERATED UNCONTROLLED WHEN POWER WAS APPLIED ON TAKEOFF.SDR CA110711010Fuel Control · failedFLAMEOUT ON GROUND PRIOR TO FLIGHT, THE NR 1 ENG HAD AN UNCOMMANDED SHUTDOWN AS THE OIL PRESSURE INDICATION WAS READING ZERO. THE PROBLEM WAS TRACED BACK TO A CONTAMINATED P3 AIR PASSAGE AT THE MAIN OIL PRESSURE SHUT OFF VALVE. ALL LINES AND PASSAGES WERE CLSDR CA110628001Spline · wornEXTERNAL SPLINES HAVE MAJOR STEP WEAR IN THE ROOT AREA. SEVERAL SPLINES HAVE A SHARP STEP AT THE BASE OF THE TOOTH IN THE ROOT AREA, APPROX .005 INCH DEEP. THESE MARKS WERE VISIBLE BY USING A 10X POWER MAGNIFICATION LOOP. SPLINE OD WAS MEASURED AT 0.404" ACROSDR DALA1140550633Fcu · malfunctionedTHE NR 2 ENGINE FLAMED OUT WHILE ON FINAL APPROACH INTO DTW BUT THE LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE NR 2 ENGINE FCU AND RELAYS K10474 & K10475.SDR DALA1140405637Fcu · malfunctionedDURING CRUISE FLIGHT AT 37,000FT ENGINE NR 2 FLAMED OUT. RESTART UNSUCCESSFUL. FLIGHT CREW DIVERTED AIRCRAFT TO CCS WITH THE RIGHT ENGINE SHUT DOWN. MAINTENANCE REPLACED THE FOLLOWING PARTS, FUEL CONTROL, FUEL PUMP, PMA STATOR AND ROTOR AND THE EEC.SDR CA110617010Fuel Control · contaminatedTHE CYLINDER BORE AND PISTON AREA WAS FOUND CORRODED AND PLUGGED WITH BLACK PARTICLES WHICH APPEAR TO HAVE GENERATED FROM THE PISTON RING SEALS. IT IS SUSPECT THAT THE PISTON AND CYLINDER BORE ARE NOT CONCENTRIC WITH EACH OTHER. FURTHER BLOCKAGE AND RESTRICTISDR CA110616010Fcu · erraticACFT EXPERIENCED A POWER LOSS WHILE IN A 1 FOOT HOVER ENDING WITH ACFT LOSING POWER AND SETTLING BACK TO GROUND. NO DAMAGE TO THE ACFT OCCURRED. ENGINE RECOVERED POWER WITH NO LOAD. PILOT ELECTED TO SHUT HELICOPTER DOWN. THE PREVIOUS START WAS ERRATIC WITH TSDR 2011FA0000398Pin · misinstalledAFTER THE LAST FLIGHT OF THE DAY, PILOT COULD NOT SHUT DOWN ENGINE BY CONDITION LEVER. INSP FOUDN THE PIVOT PIN HOLDING THE ARM TO THE FUEL CONTROL HAD WORKED OUT WHICH RELEASED THE ARM FROM FUEL CONTROL WHICH CAUSED LOSS OF PILOT CONTROL. SUSPECT THE COTTERSDR CA110627003Fuel Control · fluctuatesAIR TURN BACK DURING CLIMB, THE NR 1 ENGINE HAD TORQUE FLUCTUATIONS AND RAPID TEMPERATURE INCREASE. THE CREW ELECTED TO MAKE AN AIR TURN BACK AND THE ACFT LANDED SAFELY AT THE POINT OF DEPARTURE. TROUBLESHOOTING LED TO THE REPLACEMENT OF THE FUEL CONTROL, FUSDR CA110611002Bypass Switch · malfunctionedCLASS 3 MESSAGE ON EIED F1B TWF LOCAL FAULT AND F1B TWF SOFT FAULT. CARRIED OUT MX CHECK ON ACFT SYS AND FOUND NR 1 ENGINE HYDRO MECHANICAL UNIT (HMU) CHANNEL B FAILED. IN CONTACT WITH MFG RECOMMENDATIONS REPLACED THE NR1 ENGINE HMU PN 5085T40G04, SN OFF BECHSDR UALA2011060902850Circuit Card · faultyNR 1 EEC MESSAGE. MESSAGE ERASED AT P61. REF FIM 73-21-00 PG 151 LEFT PIMU SHOWS T2-P2 PROBE HEAT CHAN A, AND CHAN B SHOWS EEC-PI MU MODE DISAGREE. OVERHEAD NR 1 EEC ALTERNATE SWITCH LIGHTS FLICKER ON AND OVERHEAD LIGHT IND FOR PROBES ALSO FLICKERED, INDICASDR CA110614002Fuel Control · malfunctionedPOWER ROLL BACK DURING INITIAL CLIMB N1 SPEED DROPPED TO 50 PERCENT AND T/O RESERVE WAS ACTIVATED. AFTER A FEW SECONDS, THE ENGINE RECOVERED AND OPERATED NORMALLY. AFTER LANDING AT HOME BASE, THE ENGINE WAS VISUALLY INSPECTED AND NO DAMAGE WAS FOUND. ANALYSISSDR CA110607012Fcu · unserviceableACT WAS AT 35,000 FT WHEN THE CREW NOTICED THE NR 2 ENGINE WAS SHUTTING DOWN. THE WAS NO ANNUNCIATORS TO GIVE THE CREW NOTICE OF POSSIBLE FUEL LOSS. THE CREW DESCENDED TO 30,000 TO RE-LIGHT THE ENGINE. THEY STARTED THE ENGINE WITH NO ISSUES. AFTER INSP, NO FAUSDR QMLDMG2301Fcu · brokenDURING PRELIMINARY INSP OF THE ACFT FOR INDUCTION INTO THE REPAIR STATION FOUND A SCREW HEAD ON THE NR 2 ENGINE DECK. AFTER FURTHER INVESTIGATION FOUND THAT THE SCREW HEAD WAS FROM A BLANKING PLATE ON THE FUEL CONTROL UNIT.SDR I5WA20110629Fuel Control · failedRT ENGINE SURGING WITH FLUCTUATIONS IN N1, N2, AND FUEL FLOWSDR ASAA1159731Eec · faultyWHILE ACCOMPLISHING T/C 78273000 FOUND EEC FAULTS. REMOVED AND REPLACED NR 1 ENG EEC PER AMM 73 21 60, ALL OPS CHECKS GOOD.
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