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 SWIA200211502Signal Cond Unit · malfunctionedNR 2 PROPELLER FEATHERED WHEN TAKEOFF POWER APPLIED. TORQUE REACHED 125 PERCENT INSTANTANEOUSLY. NP 18.9 PERCENT WHEN POWER BROUGHT BACK TO IDLE. REPLACED RIGHT ENGINE TORQUE SIGNAL CONDITIONER IAW EMB MM 77-11-01. OPERATIONAL CHECKS GOOD. REPLACED NR 2 ENov 22, 2002 · N214SW · Emb EMB120ERSDR UHL2002F00006Indicator · erraticNR 2 TORQUE GAUGE ERRATIC ON TAKEOFF ROLL WHEN SET GAUGE WENT 100 PERCENT TO 120 PERCENT TORQUE AT 50-60 KNOTS. NO ENGINE POWER PROBLEMS NOTED. ABORTED TAKEOFF.Nov 12, 2002 · N138SD · Saab SF340ASDR SWIA200211485Indicator · malfunctionedRIGHT TORQUE GAUGE, DIGITAL PORTION ONLY, FAILED ON TAKEOFF ROLL. ABORTED TAKEOFF. REPLACED RIGHT TORQUE GAUGE. OPS CHECK GOOD ON ENGINE RUN.Nov 12, 2002 · N301YV · Emb EMB120ERSDR SWIA200211383Torque Sensor · malfunctionedABOVE V1, AFTER FLAP & GEAR RETRACTION, THE RT ENGINE FEATHERED. TQ READ ZERO, ALL OTHER PARAMETERS NORMAL. POWER LEVER WAS BROUGHT TO FLIGHT IDLE, CONDITION LEVER FEATHER, ENGINE WAS LEFT RUNNING AND A SINGLE ENGINE LANDING WAS PERFORMED. REPLACED RT PROP Oct 26, 2002 · N569SW · Emb EMB120ERSDR GLBA2002165Indicator · failedDISC TORQUE INDIATOR FAILED ON TAKE OFF. REMOVED AND REPLACED INDICATOR.Oct 18, 2002 · N251GL · Beech 1900DSDR HXS2002F00001Module · failedTORQUE INDICATION STARTED TO FLUCTUATE, AIRCRAFT GROUNDED.Sep 18, 2002 · N405AE · Snias AS350B3SDR RU3A02006Indicator · false indicationON TAKEOFF ROLL AT 70KIAS, THE 1 TORQUE GAUGE JUMPED FROM 35 TO 120 WITH THROTTLES ALIGNED. RIGHT TORQUE DID NOT EXCEED 70 TAKEOFF ABORTED. REMOVED AND REPLACED NR 1 TORQUE INDICATOR. OPS CHECK SATISFACTORY. (M)Sep 10, 2002 · N76 · Beech 300BEECHSDR B1HR631360Indicator · failedREPLACED GAUGE WITH RECONDITIONED UNIT, INDICATOR HAS FALSE EXCEEDANCES THAT CAN NOT BE CLEARED. WHEN LAPTOP IS CONNECTED GET AN ERROR SAYING THAT IP ADDRESS IS NOT CORRECT.Aug 30, 2002 · N407KA · Bell 407SDR GLBA2002137Indicator · malfunctionedRT TORQUE INDICATOR FLUCTUATES BETWEEN 1500-2800, REMOVED AND REPLACED INDICATORAug 28, 2002 · N150GL · Beech 1900DSDR VNAA0208003Probe · failedDURING CLIMB, THE CREW EXPERIENCED A LEFT HAND ENGINE TORQUE INDICATION THAT WAS READING ERRATIC AND RETURNED TO TYS. THE AIRCRAFT WAS FERRIED TO DAY. MAINTENANCE THEN INSPECTED AND REPLACED THE LEFT HAND TORQUE PROBE IN ACCORDANCE WITH DORNIER MAINTENANCE MAug 1, 2002 · N430JS · Dorner DO328100SDR DHL2002805050Indicator · faultyNR 1 ENGINE UNABLE TO DEVELOP THRUST ON TAKEOFF ABOVE 69 PERCENT. REMOVED AND REPLACED NR 1 ENG N1 IND PER 77-12-1, OPS CHECK GOOD PER JRH CHAP 11.Jul 31, 2002 · N805DH · Doug DC873FSDR KBMA119546Indicator · stuckTORQUE GAUGE WAS STUCK ON 27 PERCENT. REPLACED WITH SERVICEABLE UNIT.Jul 29, 2002 · N270SH · Snias AS350BASDR HEEA080613Indicator · inoperativeN/R AND NR 2 NEEDLES INOPERATIVE.Jul 29, 2002 · N6559Z · Bell 412SDR HEEA080612Indicator · failedTORQUE INDICATOR DOES NOT HAVE A NR 1 ENGINE INDICATION.Jul 29, 2002 · N107X · Bell 412SDR RAIA00207223Bridge · malfunctionedROC- RIGHT ENGINE WILL NOT MAKE TORQUE. MAINTENANCE CHANGED TORQUE BRIDGE FROM POSITION NR 1 TO 2, OPS CHECK OK.Jul 21, 2002 · N553HK · Jetair JETSTM4101SDR HXS2002F00003Module · failedTORQUE INDICATION STARTED TO FLUCTUATE. REMOVED MO1 MODULE WHICH HOURS THE TORQUE TUBE AND INSTALLED RENTAL MODUAL, SENT MO1 TO MFG. THIS WAS THEIR RENTAL. THEY DID NOTIFICATION THAT THIS WAS THE SAME TYPE OF FAILURE BEFORE IN THE FACT THAT THE ROLL PINS ONJul 10, 2002 · N405AE · Snias AS350B3SDR EHA2002F00007Indicator · inoperativeTORQUE METER FOUND INOPERATIVE ON START UP. REPLACED TORQUE METER.Jul 7, 2002 · N353EV · Snias AS350B2SDR KBMA117645Indicator · inoperativeTORQUE GUAGE INOPERATIVE. REMOVED AND REPLACED WITH SERVICEABLE UNIT.Jul 3, 2002 · N2273A · Snias AS350BASDR HEEA080205Transmitter · contaminatedERRONEOUS HIGH READINGS, FOUND WATER IN WIRING CONNECTORS.Jun 26, 2002 · N742PH · Bell 407SDR HEEA080148Indicator · intermittentNR 2 NEEDLE STICKS INTERMITTENTLY ON TORQUE INDICATOR.Jun 26, 2002 · N2149S · Bell 412SDR HEEA079927Control Unit · malfunctionedTORQUE SPLIT. REPLACED WITH SERVICEABLE CONTROL UNIT.Jun 26, 2002 · N1202T · Bell 412SDR HXSA0000375Module · failedREMOVED ENGINE MODULE 1 DUE TO TORQUE SYSTEM REFERENCE SHAFT PHONIC WHEEL ROLL PINS SHEARING CAUSING LOSS OF TORQUE INDICATION VEMD. REMOVED LOANER MODULE 1 FOR REPAIR. INSTALLED LOANER MODULE. SENDING UNIT TO MFG FOR REPAIR.Jun 18, 2002 · N405AE · Snias AS350B3SDR CA020618001Torque Sensor · failed(CAN) NR 1 ENGINE UNCOMMANDED AUTOFEATHER AFTER TAKE OFF AT 100 FT. ENGINE WAS THEN SHUT DOWN. INVESTIGATION SUSPECTS FAILURE OF NR 1 ENGINE TORQUE SENSOR PROBE.Jun 12, 2002 · Dhav DHC8301SDR HXS2002F00002Module · failedTORQUE INDICATION STARTED TO FLUCTUATE. REMOVED NR 1 MODULE WHICH HOUSES THE TORQUE TUBE AND INSTALLED A RENTAL. SENT NR 1 OUT FOR REPAIR. IT WAS DETERMINED THAT THE ROLL PINS IN TORQUE TUBE HAD SHEARED OFF.Jun 5, 2002 · N405AE · Snias AS350B3SDR R7MR35340Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. INCORRECT READINGS, 40 PERCENT TOO HIGH (FLUCTUATING). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 3, 2002 · N528SF · Bolkms BK117A4SDR R7MR35360Transducer · inoperativePRESSURE TRANSDUCER, INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 31, 2002 · N586BH · Bolkms BK117A4SDR HEEA079658Indicator · stuckTORQUE INDICATOR NEEDLE IS STICKING.May 30, 2002 · N5759N · Bell 412SDR HEEA079657Indicator · reads highUNRELIABLE AND NOISY. READS 3 PERCENT HIGHER THAN PILOT SIDE ABOVE 80 PERCENT TORQUE.May 30, 2002 · N2261D · Bell 412SDR HEEA079656Indicator · malfunctionedTORQUE INDICATOR POPS THE CIRCUIT BREAKER.May 30, 2002 · N2148K · Bell 412SDR HEEA079655Indicator · malfunctionedTORQUE INDICATOR LIGHT INOPERATIVE.May 30, 2002 · N2261D · Bell 412SDR HEEA079654Indicator · stuckTORQUE INDICATOR NEEDLE STICKS.May 30, 2002 · N107X · Bell 412SDR HEEA079330Indicator · stuckNO INDICATION ON NR 1 SIDE. NEEDLE STAYED ON ZERO.May 30, 2002 · N5435V · Skrsky S76ASDR HEEA079329Indicator · reads lowDUAL TORQUE INDICATOR NR 1 NEEDLE READS 8-10 PERCENT LOW.May 30, 2002 · N5435V · Skrsky S76ASDR HEEA079471Shaft · wornTACH GEN SHAFT HAS EXCESSIVE END PLAY.May 28, 2002 · N4835 · Bell 206L3SDR SWIA200210877Indicator · failedON TAKEOFF ROLL, PAST 80 KIAS, THE NR 2 TORQUE GAUGE INDICATION WENT TO ZERO. ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED RIGHT TORQUE INDICATOR. RAN THE ENGINE TO 100 PERCENT TORQUE FOR 1 MIN. NO FAULTS FOUND. OPS CHECK GOOD.May 25, 2002 · N233SW · Emb EMB120ERSDR HEEA079022Indicator · malfunctionedTORQUE INDICATOR HAS NO INDICATION ON LINEAR OR NUMERIC DISPLAYS.May 15, 2002 · N407PH · Bell 407SDR SIMA3881161Indicator · failedLOST RIGHT TORQUE INDICATION ON TAKEOFF/ ABORTED TAKEOFF NOTIFICATION WAS VIA TELLISIS FROM FLT CREW- C/A RIA RT TORQUE INDICATOR WITH SERVICEABLE TORQUE INDICATOR. OPS CHECK GOOD IAW MFG AMM.Apr 26, 2002 · N388AE · Saab 340BSDR R7M5342235164Indicator · inoperativeTORQUE INDICATOR UNIT INOPERATIVE. WILL NOT POWER DOWN CORRECTLY AND READS 5 PERCENT HIGHER THAN ECU. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 23, 2002 · N407SJ · Bell 407SDR QXEA0200551Tscu · faultySEA - ABORTED TAKEOFF, AUTO FEATHER FAILED TO ARM. REPLACED BOTH ENGINE TSCU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Apr 10, 2002 · N355PH · Dhav DHC8202SDR R7M5342235163Indicator · stuckTORQUE INDICATOR INOPERATIVE, INDICATOR STUCK AT 82 PERCENT, THEN WENT TO FULL DEFLECTION, THEN WENT DEAD. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 5, 2002 · N407SJ · Bell 407SDR R7MR35358Transducer · intermittentPRESSURE TRANSDUCER, UNIT OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 28, 2002 · N586BH · Bolkms BK117A4SDR COMA0210009Sensor · malfunctionedFLIGHT 5029 T6 WARING DURING T/O.REPLACED THE L/H ENGINE TORQUE.Mar 24, 2002 · N259CA · Emb EMB120RTSDR R7MR35356Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 16, 2002 · N586BH · Bolkms BK117A4SDR HEEA078212Transmitter · intermittentTORQUE INDICATION INTERMITTENT.Mar 11, 2002 · N719PH · Bell 407SDR HEEA078197Indicator · malfunctionedTORQUE INDICATOR LIGHTING IS DIM.Mar 11, 2002 · N8595X · Bell 407SDR MALA020194Torque Sensor · faultyDURING FLIGHT 2771 LT TORQUE INDICATOR DROPPED TO ZERO INFLIGHT. MAINTENANCE COULD NOT DUPLICATE, REPLACED TORQUE SENSOR.Mar 11, 2002 · N420XJ · Saab 340BSDR GLBA2002031Transmitter · intermittentRT TORQUE INDICATOR FAILED, REPLACED TRANSMITTER OPS CHECKED SYSTEM SATISFACTORYMar 10, 2002 · N247GL · Beech 1900DSDR HEEA078175Indicator · intermittentTORQUE INDICATOR WORKS INTERMITTENTLY.Mar 7, 2002 · N719PH · Bell 407SDR AUS20020122Sensor · faulty(AUS) ENGINE TORQUE SENSOR FAULTY.Feb 18, 2002 · Dhav DHC8102SDR SWIA200210674Signal Cond Unit · defectiveLEFT TORQUE GAUGE FLUCTUATES TO -0-, THEN WORKS AGAIN. REPLACED LEFT TORQUE SIGNAL CONDITIONER UNIT. PERFORMED POWER RUNS, ALL CHECKS GOOD.Feb 17, 2002 · N235SW · Emb EMB120ER
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