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 AU000471Switch · malfunctioned(AUS) CONSTANT TORQUE ON TAKEOFF (CTOT) SWITCH LEFT IN INCORRECT POSITION. LT AND RT ENGINE OVERTEMPERATURE OCCURRED.Jun 13, 2000 · Saab 340BSDR AU000458Panel · faulty(AUS) CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL FAULTY.Jun 9, 2000 · Saab 340BSDR CA000606024Line · loose(CAN) TORQUE TRANSDUCER AND OIL SUPPLY LINES MEET. DETERMINED THAT LINE 577.11.12.105B AT TQ LIMITER CONNECTION WAS LOOSE. IT SURMISED THAT BY MULTIPLE CONNECT/RE-CONNECT AT 'T', BENDING AND POTENTIAL FOR MOVEMENT OF ENTIRE PLUMBING BUNDLE, LACK OF TORQUE APMay 25, 2000 · Pilats PC1245SDR 20001017SH032Transducer · inoperativePRESSURE TRANSDUCER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)May 24, 2000 · N62LF · Bolkms BK117B1SDR RAIA0005030Indicator · failed7126-STL- LEFT ENGINE TORQUE INDICATION WENT TO ZERO ON TAKEOFF ROLL. MAINTENANCE INSPECTED AND REPLACED LEFT ENGINE TORQUE GAUGE.May 24, 2000 · N721TE · Aerosp ATR72202SDR RAIA0005025Indicator · failed7472-STL- DURING TAXI, LEFT ENGINE TORQUE INDICATOR WENT TO ZERO, ALL OTHER ENGINE PARAMETERS NORMAL. MAINTENANCE INSPECTED AND REPLACED LEFT ENGINE TORQUE INDICATOR.May 21, 2000 · N338TE · Bag JETSTM3201SDR 20000801SH039Indicator · inoperativeDUAL TORQUE INDICATOR UNIT INOPERATIVE. NR 2 NEEDLE FAILS TO MOVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)May 17, 2000 · N135SJ · Urocop EC135P1SDR RAAA00E9016Indicator · inoperativeNR 4 TORQUEMETER HP GUAGE INOP. REPLACED NR 4 TORQUEMETER.Apr 13, 2000 · N1968R · Lkheed 188CSDR 20000504SH015Indicator · inoperativeTORGUE GAUGE WAS INOPERABLE. (X)Apr 4, 2000 · N981LL · Beech 200BEECHSDR 20000608SH025Transducer · inoperativePRESSURE TRANSDUCER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Mar 29, 2000 · N625MB · Bolkms BK117A3SDR COMA0060270Harness · damagedAIRCRAFT SHUDDERED, N1 INDICATION WAS ZERO, ITT IN RED AT 860 DEGREES. REPLACED THE ENGINE BLUE WIRING HARNESS.Mar 18, 2000 · N796CA · Cndair CL6002B19SDR COMA0060271Amplifier · malfunctionedRIGHT ENGINE ITT IN RED AND N1 INDICATION AT ZERO. FDR DATA INDICATED NO OVERTEMP OR LOSS OR N1. REPLACED N1 AMPLIFIER FOR TROUBLE SHOOTING.Mar 17, 2000 · N796CA · Cndair CL6002B19SDR LS1R066566Indicator · malfunctionedTORQUE GAUGE NEEDLE BOUNCES.Mar 15, 2000 · N500DC · Hughes 369DSDR RAIA0003001Connector · failed7291 - DEC - RIGHT ENGINE TORQUE FLUCTUATION IN FLIGHT, CREW PERFORMED ENGINE SHUTDOWN. MAINTENANCE INSPECTED AND REPLACED RIGHT ENGINE TORQUE RING CONNECTOR.Mar 3, 2000 · N559HK · Jetair JETSTM4101SDR CA000518010Transmitter · incorrect(CAN) TORQUE TRANSMITTER WAS INSTALLED THE DAY BEFORE AND SET TO PROPER PRESSURE. CHECKED LATER AND FOUND TO BE OFF BY 3% PERCENT. UNIT RE-ADJUSTED.Mar 1, 2000 · Snias AS350BSDR SIMA0584Ctot Panel · inoperativeSHV - FLT 3254 - CTOT INOPERATIVE. ABORTED TAKEOFF, LEFT ENGINE AT 84 PERCENT RIGHT ENGINE AT 94 PERCENT AT 150 KTS. REMOVED AND REPLACED CTOT PANEL. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)Feb 27, 2000 · N383AE · Saab 340BSDR HEEA066517Indicator · malfunctionedWITH POWER ON, GAUGE INDICATES AN EXCESS OF 134.5.Feb 16, 2000 · N721PH · Bell 407SDR 20000413SH012Transmitter · reads highTORQUE TRANSMITTER OUT OF CALIBRATION. READING HIGH SETTING OF LIGHT. REMOVED AND REPLACED. (X)Feb 15, 2000 · N8118Y · Bolkms BO105LSA3SDR AU000098Selector Switch · seized(AUS) CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL SELECTOR SWITCH SEIZED.Feb 14, 2000 · Saab SF340ASDR PNSA000205Indicator · failedRT TORQUE INDICATION WENT TO ZERO DURING TAKEOFF ROLL. ABORTED TAKEOFF. REPLACED TORQUE INDICATOR, OPS CHECK OK.Feb 14, 2000 · N2719H · Swrngn SA227ACSDR MALA000124Engine · malfunctionedDTW - FLT 3345 - RIGHT ENGINE OVER TORQUE BY 7 TO 10 PERCENT. RIGHT ENGINE TORQUE GAUGE READ 115 TO 117 PERCENT. RIGHT ENGINE WAS OVER TORQUE UNTIL 400, ABOUT 15 TO 20 SECONDS. MAINTENANCE DOWNLOADED FDR AND VERIFIED MAX TORQUE WAS 105 PERCENT, TORQUE WAS WJan 23, 2000 · N102XJ · Saab SF340ASDR 20000816SH015Tube · leakingTORQUEMETER FEED LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 8, 2000 · N117MV · Bolkms BK117A3SDR AU000028Transducer · faulty(AUS) ENGINE TORQUE TRANSDUCER FAULTY.Jan 2, 2000 · Pilats PC12SDR CA991230041Indicator · damaged(CAN) THE PILOT REPORTED THAT THE ENGINE TORQUE INDICATOR GAUGE SLOWLY FILLED WITH OIL DURING FLIGHT.Dec 15, 1999 · Cessna 208BSDR 2000ZZZX792Transducer · inoperativeTRANSUDCER UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 27, 1999 · N5194C · Bolkms BK117B1SDR 2000ZZZX90Tri · inoperativeHNL - FLT 512 -(RTR) RAT AND TRI INOPERATIVE. PLACARDED TRI INOPERABLE ALL MPCW. REF: OPERATOR CONTROL NR HALA9900250.Nov 27, 1999 · N669HA · Doug DC951SDR HEEA065202Indicator · malfunctionedTORQUEMETER INDICATOR GAUGE BOUNCES IN-FLIGHT.Nov 17, 1999 · N2251A · Bell 206L1SDR HEEA065201Indicator · fadedTORQUE INDICATOR GLASS IS FOGGY AND RANGE MARKINGS ARE FADED.Nov 17, 1999 · N31821 · Bell 206L3SDR HEEA065200Indicator · stickingTORQUEMETER INDICATOR STICKING AT 80 PERCENT TO 90 PERCENT RANGE AND GLASS IS FOGGY.Nov 17, 1999 · N31801 · Bell 206L3SDR HEEA065199Indicator · discoloredTORQUEMETER INDICATOR RANGE MARKINGS DISCOLORED.Nov 17, 1999 · N2775A · Bell 206L1SDR HEEA065181Indicator · fluctuatingTORQUE INDICATOR FLUCTUATING.Nov 15, 1999 · N3893S · Bell 412SDR HEEA065138Torquemeter · stickingTORQUEMETER STICKS THROUGHOUT SCALE.Nov 15, 1999 · N2761N · Bell 206L1SDR HEEA065093Indicator · stickingNR 1 NEEDLE STICKS ON DUAL TORQUE INDICATOR.Nov 11, 1999 · N3122G · Skrsky S76ASDR 2000ZZZX822Transducer · erraticTRANSDUCER ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 29, 1999 · N61LF · Bolkms BK117B1SDR HEEA064901Indicator · stickingTORQUE INDICATOR NEEDLE STICKS.Oct 26, 1999 · N60951 · Snias AS350B2SDR RAIA9910032Tq Signal Cond. · failed4711-LAX- LEFT TORQUE GAUGE ERRATIC. MAINTENANCE REPLACED TORQUE SIGNAL CONDITIONER FOR LEFT ENGINE.Oct 24, 1999 · N871JX · Bag JETSTM3201SDR AU991040Tscu · faulty(AUS) RIGHT ENGINE TORQUE SIGNAL CONDITIONER (TSCU) FAULTY. THE FAILURE WAS FOUND TO BE IN THE ENGINE INDICATION SYSTEM OF THE TSCU.Oct 23, 1999 · Dhav DHC8102SDR HEEA064823Indicator · faultySEGMENT LIGHTS INOPERABLE.Oct 19, 1999 · N417PH · Bell 407SDR HEEA064779Indicator · fluctuatesINDICATOR FLUCTUATES IN STEADY FLIGHT.Oct 15, 1999 · N60951 · Snias AS350B2SDR SWIA971579Tq Sig Cond · malfunctionedEXPERIENCED PLUS AND MINUS 10 TO 12 PERCENT TORQUE FLUCTUATIONS ON RIGHT ENGINE AT CLIMB POWER SETTINGS. FLUCTUATIONS CAUSED REDUCED POWER SETTINGS. RETURNED TO GJT. FLUCTUATIONS OCCURRED BETWEEN 8,500 FT AND 10,000 FT. REMOVED AND REPLACED THE TORQUE SIGNOct 10, 1999 · N197SW · Emb EMB120ERSDR VNAA9909009Signal Cond · failedTHE LEFT PROPELLER WOULD NOT COME OUT OF FEATHER WHEN THE AUTOFEATHER TEST WAS ATTEMPTED PRIOR TO DEPARTURE. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED THE AIRCRAFT AND FERRIED THE AIRCRAFT TO PIT. MAINTENANCE REPLACED THE LEFT TORQUE SIGNAL COSep 29, 1999 · N438JS · Dorner DO328100SDR HEEA064479Transmitter · intermittentTORQUE INTERMITTENTLY INOPERATIVE. REFERENCE: DMR NR 686461.Sep 29, 1999 · N719PH · Bell 407SDR HEEA064478Transmitter · malfunctionedDURING START, TRANSMITTER CAUSED GAUGE TO READ FROM ZERO TO MAX INDICATION, THEN FLUCTUATES AS LONG AS 5 MINUTES. REFERENCE: DMR NR 686463.Sep 29, 1999 · N721PH · Bell 407SDR HEEA064477Transmitter · malfunctionedINSTRUMENT CHECK LIGHT TURNED ON IN-FLIGHT. REFERENCE: DMR NR 686462.Sep 29, 1999 · N721PH · Bell 407SDR PLGA990923ACircuit Breaker · trippedLGA - FLT 4579 - DURING TAKEOFF ROLL OF FLIGHT 4579, LGA-SYR, THE RIGHT TORQUE GAUGE WOULD NOT COME UP. TAKEOFF WAS ABORTED. MAINTENANCE PULLED AND RESET THE RT TORQUE INDICATION CIRCUIT BREAKER AND OPERATIONALLY CHECKED THE SYSTEM GOOD. (M)Sep 23, 1999 · N365BE · Saab 340BSDR HEEA064438Indicator · fluctuatesTORQUE FLUCTUATES.Sep 23, 1999 · N719PH · Bell 407SDR HEEA064437Indicator · malfunctionedTWO LED SEGMENTS BETWEEN 95 PERCENT AND 100 PERCENT VERY DIM.Sep 23, 1999 · N447PH · Bell 407SDR HEEA064436Indicator · intermittentINDICATOR INTERMITTENTLY GOES INTO INITIAL TEST.Sep 22, 1999 · N721PH · Bell 407SDR HEEA064448Indicator · fluctuatesTORQUE INDICATOR FLUCTUATES IN-FLIGHT. DROPS OR RISES 8-12 PERCENT WITH NO CHANGE IN COLLECTIVE OR OTHER ENGINE PARAMETERS.Sep 16, 1999 · N6097Z · Snias AS350B2SDR RAIA990915Delta P/P Box · failedFLT 7542 - COU - RIGHT ENGINE WOULD'NT MAKE TARGET TORQUE. MAINTENANCE REPLACED DELTA P/P BOX. (M)Sep 13, 1999 · N340TE · Bag JETSTM3201
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