JASC 7712

Service difficulty reports · 1,239

Reports filed under 7712 · Engine BMEP/Torque Indicating, 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 = '7712'
  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 HEEA072454Indicator · inoperativeNR 1 NEEDLE IS INOPERATIVE.Apr 10, 2001 · N2261D · Bell 412SDR HEEA072434Indicator · reads lowNUMBER TWO NEEDLE READS LOW. REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N2261D · Bell 412SDR ZYWA100162Tach Generator · leakingTACH GENERATOR LEAKS AT BODY. REMOVED AND REPLACED TACH GENERATOR.Apr 3, 2001 · N365SJ · Aerosp SA365NSDR RAIA00103022Torque Sensor · failed7438-STL-DURING FINAL APPROACH NR 2 ENGINE WHEN INTO FEATHER. MAINTENANCE REMOVED AND REPLACED THE NR 2 TORQUE SIGNAL CONDITIONER IAW ATR42 MAINTENANCE MANUAL.Mar 28, 2001 · N424TE · Aerosp ATR42300SDR AU010213Indicator · malfunctioned(AUS) LT ENGINE TORQUE INDICATOR SUSPECT FAULTY.Mar 20, 2001 · Fokker F27MK50SDR AU010296Transmitter · faulty(AUS) ENGINE TORQUE TRANSMITTER FAULTY.Mar 18, 2001 · Agusta A109ASDR KBMA88709Transmitter · malfunctionedNEEDLE MOVES TO UPPER LIMIT OF SCALE AND STOPS THERE FOR A COUPLE OF MINUTES.Mar 18, 2001 · N270SH · Snias AS350BASDR KBMA88690Indicator · intermittentTORQUE INDICATOR INTERMITTENT IN FLIGHT.Mar 10, 2001 · N270SH · Snias AS350BASDR GLBA2001052Indicator · inoperativeRIGHT TORQUE INDICATOR FROZE ON T/O ROLL. REPLACED TORQUE INDICATOR.Mar 4, 2001 · N122UX · Beech 1900DSDR SWIA972390Indicator · malfunctionedAFTER TAKEOFF LEFT ANALOG REACHED ONLY 80 PERCENT TORQUE WHILE DIGITAL 100 PERCENT, T6 650, LEFT YAW AND POWER LEVER SPLIT 1 - .5 INCH. RETURNED TO ONT. PERFORMED EEC RUNS IAW 73-21-00. RE-TRIMMED ENGINE AS NEEDED. OK FOR RETURN TO SERVICE. ALL OTHER INDIFeb 22, 2001 · N234SW · Emb EMB120ERSDR KBMA88645Transmitter · inoperativeTORQUE GUAGE NOT WORKING PROPERLY.Feb 17, 2001 · N37SH · Snias AS350BSDR AU010135Engine · out of adj(AUS) LT ENGINE RPM ROLLBACK. SUSPECT CAUSED BY NR 1 TORQUE BRIDGE PIT OUT OF ADJUSTMENT.Feb 3, 2001 · Bag JETSTM3201SDR SWIA972299Probe · failedDURING TAKEOFF ROLL JUST AFTER TORQUE REACHED 80 PERCENT AND 100 PERCENT , FIRST OFFICER SAW TORQUE ON NR 1 (LEFT) ENGINE DROP. DIGITAL DROPPED TO 4 PERCENT AND ANALOG DROPPED TO 10 PERCENT BUT WAS FLUCTUATING. JUST AS TAKEOFF WAS ABORTED THE LEFT ENGINE LOSJan 26, 2001 · N237SW · Emb EMB120ERSDR SWIA972285Indicator · failedLEFT ANALOG TORQUE GAUGE DROPPED TO ZERO ON TAKEOFF ROLL BELOW V1. ABORTED TAKEOFF. REMOVED AND REPLACED LEFT TORQUE GAUGE AS PER MM. OPS CHECKS GOOD. P/N ON: SEDL-OC2R, S/N ON: 961D, S/N OFF: 141.Jan 19, 2001 · N216SW · Emb EMB120ERSDR UPS01534639Torque Ring · crackedINSPECTION TYPE:N/A, NR 1 ENG O/B SIDE TORQUE RING SCOOP CRACKED IN 2 PLACES, 2 INCHES FROM TOP AT FORWARD EDGE (2 INCHES LONG) AND 5 INCHES FROM BOTTOM, FROM RIVET HEAD (.75 INCH LONG) AND VERIFIED WITH DYE PEN. SYS OPS CHECKS GOOD PER M/M 23-11-00. HF TUNEJan 17, 2001 · N455UP · Boeing 75724APFSDR R7MR33364Control Unit · inoperativeUNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 9, 2001 · N52281 · Snias AS350B3SDR SWIA972178Signal Cond Unit · failedRIGHT TORQUE GAUGE WOULD NOT DROP BELOW 76 PERCENT TORQUE. ALL OTHER GAUGES WERE NORMAL. AFTER ABOUT 5 MINUTES, WHEN WE BEGAN DESCENT, LEFT PROP WENT TO FEATHER. TURNED OFF AUTOFEATHER SYSTEM AND EVERYTHING RETURNED TO NORMAL. DIDN'T SEE LEFT TORQUE EXCEEDDec 15, 2000 · N197SW · Emb EMB120ERSDR C2XA00CL101Indicator · failedCLE - FLT 3154 - THE CREW REPORTED THAT AFTER TAKEOFF THE NR 2 ENGINE TORQUE GAUGE DROPPED TO ZERO. ALSO REPORTED THAT ALL OTHER PARAMETERS WERE NORMAL. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 TDec 7, 2000 · N17534 · Beech 1900DSDR AU001242Signal Cond Unit · out of adj(AUS) RT ENGINE TORQUE SIGNAL CONDITIONER OUT OF ADJUSTMENT.Dec 6, 2000 · Swrngn SA227*SDR AU001146Control Panel · faulty(AUS) LT ENGINE CONSTANT TORQUE ON TAKEOFF (CTOT) CONTROL PANEL SUSPECT FAULTY OR ENGINE CONTROLS SLIGHTLY MISRIGGED PREVENTING CTOT FROM CAPTURING THE ENGINE.Nov 30, 2000 · Saab 340BSDR R7MR32373Display · inoperativeDISPLAY OF RT TORQUE/BARS AND NUMBERS/ INTERMITTENLY GOES BLACK. REPLACED WITH REPAIRED UNIT, CORRECTED PROBLEM.Nov 21, 2000 · N901CF · Doug MD900SDR SWIA972131Gauge · failedAFTER BRAKE RELEASE THE RIGHT SIDE TORQUE GAUGE FAILED TO A ZERO INDICATION ON BOTH THE ANALOG AND DIGITAL. ABORTED TAKEOFF. COULD NOT DUPLICATE PROBLEM. CLEANED TORQUE INDICATOR CANNON PLUG ON RIGHT ENGINE. OPS CHECK GOOD.Nov 19, 2000 · N189SW · Emb EMB120ERSDR RAIA0011004Connector · disconnected6109-PIT- RIGHT ENGINE DISPLAYED ERRATIC ENGINE INDICATIONS, TORQUE AND RPM. PERFORMED ENGINE SHUTDOWN. MAINTENANCE INSPECTED AND RESECURED RIGHT ENGINE TORQUE BRIDGE CONNECTOR. PERFORMED ENGINE POWER ASSURANCE RUNS, ALL INDICATIONS NORMAL.Nov 14, 2000 · N563HK · Jetair JETSTM4101SDR SWIA972106Probe · malfunctionedLEFT TORQUE GAUGE FLUCTUATES BOTH ANALOG AND DIGITAL. RETURNED TO FIELD. REMOVED AND REPLACED LEFT ENGINE TORQUE PROBE. P/N 3116942-01, S/N ON MM1660 OFF MM 1751. ALSO REMOVED AND REPLACED THE LEFT ENGINE TORQUE INDICATOR. P/N SEDL-OC2R, S/N ON: 918, S/NNov 10, 2000 · N214SW · Emb EMB120ERSDR S2YA00033Indicator · malfunctionedFLT 1782 - MKE-MLI - AFTER TAKEOFF, THE RT N1 GAUGE BEGAN INDICATING IMPROPERLY. THE CREW MADE AN AIR TURN BACK TO MKE AND LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED AND OPS CHECK THE N1 GAUGE AND RETURNED THE AIRCRAFT TO SERVICE. (M)Nov 2, 2000 · N841SK · Beech 1900DSDR 20001120SH052Indicator · erraticTORQUE INDICATOR ERRATIC. (X)Oct 30, 2000 · N180EH · Snias AS350BASDR RAIA0010007Valve · failed6225-JFK- LEFT ENGINE LOW OIL PRESSURE CAPTION ILLUMINATED DURING TAXI. MAINTENANCE INSPECTED AND REPLACED LEFT ENGINE NEGATIVE TORQUE SENSOR (NTS) DUMP VALVE.Oct 12, 2000 · N556HK · Jetair JETSTM4101SDR AU000962Indicator · stuck(AUS) RT ENGINE TORQUE GAUGE FAILED. INVESTIGATION FOUND THAT THE GAUGE WAS STICKING AT APPROXIMATELY 45 PERCENT BEFORE GOING TO FULLSCALE INDICATION.Sep 29, 2000 · Saab SF340ASDR VNAA0009025Sensor · failedDURING TAKEOFF, THE RIGHT HAND ENGINE TORQUE WAS SLOW TO RESPOND. FLIGHT 4150 ABORTED TAKE FF. THE AIRCRAFT WAS FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND TORQUE SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 77-00-00. OPERSep 28, 2000 · N429JS · Dorner DO328100SDR SWIA971997Indicator · fluctuatesRIGHT ENGINE TORQUE GAUGE INDICATION FLUCTUATES WHILE VIBRATION FELT DURING CLIMBOUT. RETURNED TO SBA. INSTALLED SCU AND TORQUE PROBE IAW 61-23-00 AND 71-00-00. PERFORMED RUN TEST AND GROUND POWER TEST. OPS CHECKS GOOD. NO ABNORMAL VIBRATIONS FELT. (S/N Sep 25, 2000 · N229SW · Emb EMB120ERSDR R7MA716332497Transducer · inoperativePRESSURE TRANSDUCER INOPERATIVE. CAUSES INDICATOR NEEDLE TO SPIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 13, 2000 · N62LF · Bolkms BK117B1SDR AU000775Bridge · faulty(AUS) RT ENGINE TORQUE STRAIN GAUGE NR 1 BRIDGE OUTPUT FAULTY.Sep 3, 2000 · Bag JETSTM3201SDR PNSA0901Transducer · malfunctionedTORQUE INDICATION WENT TO ZERO DURING DESCENT. AFTER UNEVENTFUL LANDING, REPLACED TORQUE TRANSDUCER. OPERATIONAL CHECK OK. (X)Sep 1, 2000 · N441LL · Cessna 441SDR AU000649Indicator · failed(AUS) NR 2 ENGINE TORQUE STRAIN GAUGE BRIDGE OPEN CIRCUITED.Sep 1, 2000 · Bag JETSTM3201SDR AU000776Connector · corroded(AUS) LT ENGINE NP PROBE PLUG AND PINS CORRODED.Aug 31, 2000 · Emb EMB120SDR UHLA002475Probe · failedFLT 151 - BUF-TTN - ON TAKEOFF, NR 2 ENGINE TORQUE DROPPED FROM APPROXIMATELY 90 PERCENT TO 67 PERCENT AND RETURNED. AIRCRAFT RETURNED TO BUF. MAINTENANCE REPLACED NR 1 AND NR 2 NH PROBES IAW PWA MM 72-01-60. PERFORMED GROUND RUN AND CHECK FLIGHT. AIRCRAFTAug 30, 2000 · N801SA · Dhav DHC8315SDR UHLA002479Harness · dirtyFLT 27 - BED-TTN - NR 2 ENGINE AND FUEL FLOW FLUCTUATED TORQUE 90 PERCENT UP TO 110 PERCENT THEN DOWN TO 82 PERCENT. THIS HAPPENED TWICE IN ONE MINUTE THEN NEVER REPEATED. CREW LANDED IN TTN WITHOUT ANY FURTHER INCIDENT. CONTINUED UNDER MEL 73-2 EEC INOPERAAug 29, 2000 · N801SA · Dhav DHC8315SDR AU000755Indicator · out of adj(AUS) RT ENGINE TORQUE STRAIN GAUGE BRIDGE OUT OF ADJUSTMENT.Aug 29, 2000 · Bag JETSTM3201SDR UHLA002450Tscu · dirtyFLT 21 - BED-TNN - PASSING THROUGH 4000 FEET, NR 2 ENGINE TORQUE FLUCTUATED ACCOMPANIED BY CORRESPONDING NH ANDN1 INDICATIONS AND AIRCRAFT YAW. CREW RETURNED TO BED. CLEANED CANNON PLUGS AT TSCU AND PERFORMED GROUND RUNS IAW PW MM 72-00-00 PAGES 503-507. ALAug 21, 2000 · N801SA · Dhav DHC8315SDR R7MA717332533Transducer · inoperativeUNIT INOPERATIVE. REPLACED WITH NEW UNIT.CORRECTED PROBLEM.Aug 13, 2000 · N7060G · Bolkms BK117B1SDR SWIA971926Indicator · malfunctionedTORQUE METER RIGHT SIDE INDICATES 180 PERCENT DURING TAKEOFF. ABORTED TAKEOFF. SWAPPED LEFT AND RIGHT TORQUE METERS. PERFORMED TWO POWER RUNS. OPS CHECKS NORMAL DURING BOTH RUNS.Aug 10, 2000 · N212SW · Emb EMB120ERSDR 20000918SH021Transmitter · damagedTORQUE TRANSMITTER LOST ROLL PIN. REPLACED 2 AND 3 MODULES DUE TO TURBINE RUB. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Aug 8, 2000 · N106LN · Snias AS350B3SDR SIMA2165Warning System · false activationDFW - FLT 3295 - ON TAKEOFF, LEFT ENGINE ITT WENT TO 931 DEGREES CELSIUS WITH CTOT SET TO 94 PERCENT MAXX ITT LIMIT PER AOM VOL 1 FOR TAKEOFF IS 927 DEGREES CELSIUS. GROUND RAN BOTH ENGINES WITH CTOT AND WITHOUT. COULD NOT DUPLICATE DISCREPANCY, AT 96 PERCENAug 3, 2000 · N234AE · Saab 340BSDR SWIA971894Signal Cond Unit · malfunctionedEXPERIENCED ''''AUTO FEATHER'''' AURAL WARNING DURING EARLY PHASE OF TAKEOFF ROLL. ABORTED TAKEOFF. A/C WAS CONFIGURED CORRECTLY AND AUTO FEATHER SYSTEM TESTED PROPERLY. REMOVED AND REPLACED LEFT TORQUE SIGNAL CONDITION IAW MM 77-11-01. OPS CHECKS GOOD AT Jul 23, 2000 · N187SW · Emb EMB120ERSDR CHQA20000017Connector · dirtyENGINE TORQUE FLUX AFTER TAKEOFF. MAINTENANCE CLEANED CANNON PLUGS ON THE CTOT AND ECU, GROUND RAN, ALL INDICATIONS NORMAL. RETURNED AIRCRAFT TO SERVICE.Jul 23, 2000 · N125CH · Saab SF340ASDR VNAA0007016Gasket · leakingTHE CREW ABORTED TAKEOFF DUE TO THE LEFT HAND ENGINE TORQUE FLUCTUATING. MAINTENANCE INSPECTED AND INSTALLED A NEW BOLT AND GASKET TO THE IBV VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 72-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WASJul 22, 2000 · N427JS · Dorner DO328100SDR COMA0060598Signal Cond Unit · malfunctionedLEFT ENGINE N2 VIB ICON ABOVE 89 DEGREES. REPLACED THE ENGINE SIGNAL CONDITIONER.Jul 21, 2000 · N712CA · Cndair CL6002B19SDR SIMA2017Indicator · inoperativeFLT 9720 - TVC - HEAVY ELECTRICAL BURNING SMELL IS PRESENT IN THE COCKPIT AND CABIN DURING DESCENT AND LANDING INTO TVC. REMOVED AND INSTALLED THE NR 2 ENGINE TORQUE INDICATOR IAW ATR AMM. OPS CHECK GOOD. (M)Jul 19, 2000 · N47AE · Aerosp ATR42300SDR CA000731012Indicator · failed(CAN) NR 2 TORQUE INDICATION ERATIC AFTER LIFT OFF 60-82. NR 2 TORQUE INDICATOR REPLACED AND ENGINE CANNON PLUGS CLEANED. AIRCRAFT RETURNED TO SERVICEREF P98251.Jul 16, 2000 · Dhav DHC8102SDR CA001013020Gauge · failed(CAN) THIS GAUGE DID NOT INDICATE PROPERLY FROM THE INITIAL INSTALLATION AND DURING THE REPLACEMENT THE NEEDLE CAME OFF.Jun 13, 2000 · Bell 206L1
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