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 99ZZZX3806Shaft · groovedSHAFT EXCESSIVELY GROOVED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 14, 1999 · N117CW · Bolkms BK117A4SDR 99ZZZX3877Transducer · inoperativeTRANSDUCER UNIT INOPERATIVE. TORQUE GAUGE GOES TO ZERO. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 11, 1999 · N10UM · Bolkms BK117B1SDR AU990831Control Panel · faulty(AUS) LEFT ENGINE CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL FAULTY.May 9, 1999 · Saab 340BSDR 99ZZZX3872Indicator · inoperativeUNIT INOPERATIVE. UNIT FAILED SELF-TEST. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 8, 1999 · N135SJ · Urocop EC135P1SDR 99ZZZM318Torque Indicator · inoperativeDURING TAKEOFF ROLL AT LCH, THERE WAS NO RIGHT TORQUE INDICATION AND THE TAKEOFF WAS ABORTED. MAINTENANCE REMOVED AND REPLACED THE RIGHT TORQUE INDICATOR AND COMPLIED WITH AN OPERATIONS CHECK. THE CHECK WAS SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVIApr 30, 1999 · N3114G · Swrngn SA227ACSDR AU990838Control Panel · inoperative(AUS) RIGHT ENGINE CONSTANT TORQUE ON TAKEOFF (CTOT) CONTROL PANEL FAULTY.Apr 29, 1999 · Saab 340BSDR RAIA990438Tscu · failedFLT 7028 - COU - TORQUE FLUCTUATION ON LEFT ENGINE. MAINTENANCE REPLACED TORQUE SIGNAL CONDITIONER FOR LEFT ENGINE. (M)Apr 25, 1999 · N425AM · Bag JETSTM3201SDR VTZA990038Connector · dirtyABE-IAD - FLT 7157 - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO LEFT EGT FLUX. AIRCRAFT WAS FERRIED TO IAD. MAINTENANCE CLEANED ZONE 2 CANNON PLUG AND REPAIRED WIRING INSULATION TT2 SENDOR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED Apr 22, 1999 · N474UE · Bag JETSTM3201SDR SWIA971458Tq Indicator · malfunctionedLARGE RIGHT ENGINE TORQUE FLUCTUATIONS FROM 60 PERCENT TO 84 PERCENT ON CLIMB THROUGH 5000. RETURNED TO PDX. RAN RIGHT ENGINE BUT COULD NOT DUPLICATE PROBLEM.Apr 9, 1999 · N156CA · Emb EMB120RTSDR HEEA061803Indicator · reads lowTORQUE INDICATOR'S NR 2 NEEDLE READING 4 PERCENT LOW.Apr 6, 1999 · N3071K · Bolkms BO105SSDR HEEA061659Indicator · stickingNR 1 INDICATION AND CURSOR POINTERS STICKING.Apr 5, 1999 · N3208H · Bell 212SDR 99ZZZX1541Gauge · looseGAUGE FACE SEPARATED FROM MOUNTING BASE AND GLASS. REMOVED AND REPLACED.Mar 22, 1999 · N206BY · Bell 206B3SDR HEEA061171Indicator · fluctuatesTORQUE INDICATOR HAS NEEDLE FLUCTUATION.Mar 16, 1999 · N4000L · Snias AS350B2SDR RAIA990233Connector · failedFLT 7663 - JFK - LEFT TTL LIGHT LIGHT ILLUMINATED. MAINTENANCE REPLACED LEFT ENGINE TORQUE RING CANNON PLUG. (M)Feb 26, 1999 · N570HK · Jetair JETSTM4101SDR CA990308021Tscu · erratic(CAN) ON TAKEOFF, NR 2 ENGINE BECAME UNCONTROLLABLE. TAKEOFF WAS REJECTED AND THE AIRCRAFT RETURNED TO BLOCKS. THE TORQUE SIGNAL CONDITIONING UNIT (TSCU) WAS REPLACED AND THE SYSTEM WAS CHECKED SERVICEABLE.Feb 25, 1999 · Aerosp ATR42300SDR HEEA060886Torquemeter · sticksNEEDLE STICKING AND BOUNCING ON TORQUEMETER.Feb 23, 1999 · N6610Y · Bell 206L3SDR HEEA060885Torquemeter · sticksTORQUE INDICATOR FLUCTUATES AND STICKS.Feb 23, 1999 · N6251V · Bell 206L3SDR HEEA060884Torquemeter · sticksTORQUEMETER HAS EXCESSIVE FLUCTUATION IN CRUISE FLIGHT. NEEDLE STICKS.Feb 23, 1999 · N3107N · Bell 206L3SDR HEEA060883Torquemeter · fluctuatesTORQUEMETER FLUCTUATES AND NEEDLE STICKS AT 50 PERCENT.Feb 23, 1999 · N108PH · Bell 206L3SDR HEEA060882Torquemeter · sticksTORQUE OSCILLATION NEEDLE STICKS ON TORQUEMETER.Feb 23, 1999 · N8592X · Bell 206L3SDR HEEA060881Torquemeter · fluctuatesTORQUEMETER HAS FLUCTUATION OF NEEDLE WITHOUT TORQUE.Feb 23, 1999 · N6603X · Bell 206L3SDR HEEA060880Torquemeter · sticksINDICATOR FLUCTUATING, NEEDLE STICKS ON TORQUEMETER.Feb 23, 1999 · N4180F · Bell 206L3SDR HEEA060879Torquemeter · sticksNEEDLE STICKING ON TORQUEMETER.Feb 23, 1999 · N32041 · Bell 206L3SDR HEEA060833Indicator · reads highTORQUE INDICATOR READS HIGH OUT OF TOLERANCE.Feb 22, 1999 · N1076Y · Bell 206L1SDR HEEA060832Indicator · sticksTORQUE METER INDICATOR'S NEEDLE STICKS INTERMITTENTLY.Feb 22, 1999 · N5007Q · Bell 206L1SDR HEEA060831Torque Gauge · reads lowTORQUE GAUGE READS LOW.Feb 22, 1999 · N2269A · Bell 206B3SDR HEEA060756Indicator · sticksNEEDLE STUCK ON TORQUE INDICATOR.Feb 22, 1999 · N3911L · Bell 412SDR HEEA060755Indicator · sticksNR 2 NEEDLE STUCK ON HIGH SIDE ON TORQUE INDICATOR.Feb 22, 1999 · N3893L · Bell 412SDR HEEA060753Indicator · sticksNR 1 NEEDLE STICKS ON TORQUE INDICATOR.Feb 22, 1999 · N2261D · Bell 412SDR HEEA060706Indicator · sticksN1 INDICATION STICKS ON ZERO.Feb 22, 1999 · N2261D · Bell 412SDR 99ZZZX1249Gauge · reads highTORQUE GAUGE READING 6 PSI HIGH. REMOVED AND REPLACED.Feb 15, 1999 · N5070J · Hughes 369DSDR SWIA971406Tscu · malfunctionedDURING CLIMB, RIGHT ENGINE WENT INTO AUTOFEATHER AT 1000 FT AGL WITH TORQUE ABOUT 144 PERCENT. RETURNED TO LAX. REPLACED RIGHT ENGINE TORQUE PROBE AND RIGHT ENGINE TSCU. MM INSPECTION STEPS WERE PERFORMED FOR OVER TORQUE OF PROPELLER AND ENGINE ON RIGHT SIDFeb 9, 1999 · N289YV · Emb EMB120RTSDR PLGA990204Ctot · failedALB - FLT 6262 - DURING TAKEOFF, CTOT FAILED TO ARM AND TAKEOFF WAS ABORTED. MAINTENANCE COULD NOT DUPLICATE PROBLEM. AIRCRAFT RETURNED TO SERVICE. (M)Feb 4, 1999 · N358CA · Saab SF340ASDR AU990100Ctot Panel · inop(AUS) CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL SUSPECT FAULTY.Feb 1, 1999 · Saab SF340ASDR HEEA060474Transducer · failedPRESSURE TRANSDUCER'S TORQUE INDICATION FELL TO ZERO.Jan 25, 1999 · N401PH · Bolkms BK117A3SDR HEEA060127Indicator · stickingTORQUE METER INDICATOR'S NR 1 NEEDLE STICKS.Jan 21, 1999 · N5010F · Bell 212SDR HEEA060106Transmitter · failedTRANSMITTER WILL NOT FUNCTION.Jan 21, 1999 · N3897N · Bell 214STSDR HEEA060063Indicator · malfunctionedDUAL TORQUE INDICATOR'S NR 2 NEEDLE WOULD NOT MOVE WHEN CALIBRATING.Jan 21, 1999 · N706AE · Skrsky S76ASDR HEEA060062Indicator · stickingDUAL TORQUE INDICATOR'S NR 1 NEEDLE STICKS.Jan 21, 1999 · N3122G · Skrsky S76ASDR HEEA060061Indicator · inoperativeDUAL TORQUE INDICATOR'S NR 1 NEEDLE INOPERATIVE.Jan 21, 1999 · N5435V · Skrsky S76ASDR PLGA990120Indication · malfunctionedBOS - FLT 6270 - ON TAKEOFF CREW NOTICED RIGHT ENGINE TORQUE BLOOM ABOVE VALUE SELECTED ON CTOT. TAKEOFF ABORTED. MAINTENANCE COULD NOT DUPLICATE PROBLEM. A/C RETURNED TO SERVICE. (M)Jan 20, 1999 · N749BA · Saab SF340ASDR AU990011Connector · contaminated(AUS) DURING TAKEOFF, THE AUTOFEATHER WARNING CAME ON. GROUND INVESTIGATION FOUND THE TORQUE SIGNAL CONDITION UNIT (PN 30005-0000-26) PLUG TO CONNECTORS CONTAMINATED.Jan 5, 1999 · Emb EMB120SDR SWIA971360Conditioner · failedDURING CLIMBOUT, LEFT ENGINE TORQUE GAUGE BECAME ERRATIC, FLUCTUATIONS OF MORE THAN 20 PERCENT. COMPLIED WITH QRH WITH NO CHANGES. RETURNED TO SFO. REPLACED TORQUE SIGNAL CONDITIONER, CHECKS GOOD.Dec 31, 1998 · N290SW · Emb EMB120ERSDR VTZA98373Gauge · fluctuatedFLT 6499 - IAD-ROA - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE TORQUE GAUGE FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND SWAPPED TO BRIDGE NR 2, OPS CHECK OK. AIRCRAFT WAS RELEASED ADec 20, 1998 · N323UE · Jetair JETSTM4101SDR RAIA981215Connector · failedFLT 7570 - JFK - LEFT ENGINE TORQUE INDICATION FLUCTUATING. MAINTENANCE REPLACED LEFT ENGINE IEC CANNON PLUG. (M)Dec 18, 1998 · N562HK · Jetair JETSTM4101SDR CA990311060Indicator · failed(CAN) DURING TAKEOFF ROLL, FLIGHT CREW DETECTED SEVERAL INDICATORS SUGGESTING POWER SETTINGS NOT AS SELECTED. AFTER SUCCESSFUL TAKEOFF, CREW DETERMINED THE LEFT ENGINE HAD RECEIVED EXCESSIVE TORQUE FOR AN UNDETERMINED LENGTH OF TIME. THE FDR REVEALED THE LT Dec 15, 1998 · Beech 1900DSDR CA990311059Indicator · failed(CAN) FLIGHT CREW REPORTED FLUCTUATIONS ON THE RIGHT TORQUE INDICATOR WITH NO CORRESPONDING PARAMETER SHIFTS. RIGHT TORQUE INDICATOR REPLACED.Dec 15, 1998 · Beech 1900DSDR VTZA98362Switch · failedFLT 6379 - IAD-SYR - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO EGT FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED 30 PERCENT TORQUE MICROSWITCH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RDec 11, 1998 · N483UE · Bag JETSTM3201SDR CA990310018Tscu · malfunctioned(CAN) NR 2 ENGINE TORQUE WENT TO 168 PERCENT ON TAKEOFF. TAKEOFF REJECTED. ALL OTHER ENGINE PARAMETERS WERE NORMAL. AFTER RETURN TO GATE, THE TORQUE STILL INDICTED 168 PERCENT. THE TORQUE SENSOR CONDITIONING UNIT WAS REPLACED.Nov 20, 1998 · Dhav DHC8102SDR COMA9810251Torque Ind · failedRIGHT HAND ENGINE TORQUE INDICATOR FAILED. REPLACED TORQUE INDICATOR.Nov 5, 1998 · N241CA · Emb EMB120RT
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