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.
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
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 HEEA0013012Indicator · sticksTORQUE INDICATOR STICKS INTERMITTENTLY AND SPLITS.SDR HEEA0012947Gauge · stickingTORQUE INDICATOR NEEDLE STICKING.SDR HEEA0012928Indicator · inoperativeDUAL TORQUE NR1 NEEDLE INOPERATIVE.SDR AU980162Sensor · faulty(AUS) LH ENGINE TORQUE SENSOR INTERNAL FAULT.SDR HEEA0012882Indicator · failedWHILE HOVERING AT 68-71% TORQUE, TORQUE GAUGE STARTED INCREASING UNTIL REACHING FULL SCALE READING AND THEN WENT TO 0%.SDR COMA9810038Tq Indicator · malfunctionDURING TAKEOFF, THE RIGHT HAND TORQUE INDICATION WAS 195 PERCENT. REPLACED THE TORQUE INDICATOR.SDR VTZA98042Torque Gauge · failedIAD/ROA - FLT 6591 - DURING TAXI AT 1645 HOURS ON 2-2-98, AIRCRAFT RETURNED TO GATE DUE TO LT TORQUE GAUGE FAILED. MAINTENANCE INSPECTED AND SWITCHED TO NR 2 BRIDGE ON THE LT TORQUE SIGNAL CONDITIONER. AIRCRAFT GROUND RUN, OPS CHECK OK. AIRCRAFT RELEASED ANDSDR HEEA0012754Indicator · failedTORQUE INDICATOR WILL NOT COMPLETE SELF TEST. BAR GRAPH STARTS HALFWAY UP.SDR HEEA0012662Transmitter · failedTRANSMITTER PEGGED ON MAX.SDR HEEA0012636Transducer · failedTRANSDUCER OUTPUT IS 1 VOLT CONTINUOUSLY.SDR HEEA0012632Transducer · defectivePRESS TRANSDUCER CAUSES 30% SPLIT INTERMITTENTLY.SDR REXA98036Ctot · malfunctionedLEFT CTOT WOULD NOT HOLD. CREW DID ANOTHER P-3 TST. OPS CHECK GOOD. TRIED ANOTHER T/O OPS CHECK GOOD. (M)SDR 98ZZZX507Indicator · malfunctionedTORQUE INDICATOR GIVES HIGHER TORQUE THAN TESTED.SDR PLGA980114CConnector · dirtyBTV - AFTER TAKEOFF, THE CREW REPORTED THE LEFT ENGINE TORQUE STARTED FLUCTUATIONS BETWEEN 80-90 PERCENT. THE LEFT OIL PRESSURE ALSO STARTED FLUCTUATIONS OF 20 PSI. AIRCRAFT RETURNED TO BTV AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED ELECTRICAL CONNECTSDR VTZA98011Tq Signal Cond · out of adjustFLT 6319 - IAD-CLE - DURING CLIMB, EXPERIENCED A PROBLEM WITH THE LEFT TORQUE GAUGE GOING TO 120 PERCENT. AIRCRAFT RETURNED TO IAD AND THE GATE WHERE MAINTENANCE CONTROL WAS NOTIFIED. MAINTENANCE WAS DISPATCHED TO THE AIRCRFT AND FOUND THAT THERE WAS OIL IN SDR CA980317001Probe · faulty(CAN) TAKEOFF REJECTED DUE TO NR 2 ENGINE TORQUE DROPPING TO ZERIO. NR 2 ECU WENT TO MANUAL DURING RUNWAY EXITING, ALL ENGINE INDICATIONS RETURNED TO NORMAL. AT RAMP WHEN FEATHERING PROP ENGINE TORQUE STARTED TO RISE. NR 2 ENGINE WAS SHUTDOWN. TORQUE GAUGE FAUSDR HEEA0012521Indicator · failedDUAL TORQUE INDICATOR WILL NOT ADJUST DOWN.SDR HEEA0012506Indicator · sticksNR1 ENGINE TORQUE NEEDLE STICKS AND IS ERRATIC.SDR 98ZZZX1837Indicator · sticksDUAL TORQUE INDICATOR NEEDLES STICK. REPLACES WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX1413Transmitter · fluctuationsPILOT REPORTED TORQUE INDICATOR FLUCTUATIONS 1.0 PSI TO 2.0 PSI. REMOVED S/N 4990-4-109. TOTAL TIME 517.8 HOURS.SDR VTZA97706Ttl Valve · failedFLT 6362 - SYR-IAD - ABORTED TAKEOFF DUE LEFT ENGINE TORQUE DROP. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI53263, MEL 77-1 ON TTL SYSTEM. MAINTENANCE CLOSED DMI 53263 ON 12-26-97 BY REMOVING AND REPLACING TTL VASDR 98ZZZX736Indicator · failedTORQUE INDICATOR WILL LOSE ALL POWER AT TIMES (INTERMITTENT). REPLACED INDICATOR.SDR WTAA970222Tq Signal Cond · out of adjustSFO - LEFT ENGINE WON'T MAKE MINIMUM STATIC TORQUE ON TAKEOFF. TAKEOFF ABORTED. MAINTENANCE CALIBRATED LEFT TORQUE SIGNAL CONDITIONER PERFORMED ENGINE RUN. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)SDR HEEA0012256Torque Gauge · erraticTORQUE GAUGE READING ERRATIC.SDR HEEA0012210Indicator · stickDUAL TORQUE INDICATOR BOTH NEEDLES STICK INERMITTENTLY.SDR VTZA97675Iec · failedFLT 6327 - DTW-IAD - ABORTED TAKEOFF DUE TO A TORQUE FLUCTUATION INDICATION ON THE RIGHT ENGINE. AIRCRAFT RETURNED TO GATE AND NOTIFIED MAINTENANCE CONTROL. MAINTENANCE WAS DISPATCHED AND FOUND THE NR 1 BRIDGE ON THE IEC WAS AT FAULT. MAINTENANCE SWAPPED THSDR VTZA97672Tt2 Sensor · failedFLT 6353 - IAD-TYS - ABORTED TAKEOFF DUE TO NR 1 ENGINE TORQUE WENT TO 110 PERCENT WITH POWER LEVER .5 WAY. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TT2 SENSOR, OPS CHECK OK. AIRCRAFT WAS RELEASED ANSDR HEEA0012083Indicator · sticksNR2 NEEDLE STICKS AT 30% INTERMITTENTLY.SDR HEEA0012045Transmitter · failedTORQUE TRANSMITTER BLOWS FUSES.SDR HEEA0012040Indicator · sticksTORQUE INDICATOR NR2 NEEDLE STICKS AFTER ONE HOUR USE. TIME SINCE REPAIR 217:05.SDR CA971216005Tms Actuator · failed(CAN) UNABLE TO REDUCE POWER BELOW 85 PERCENT N1. ENGINE WAS SHUT DOWN BY USING 'T' HANDLE, WHILE ON APPROACH. TORQUE MANAGEMENT SYSTEM (TMS) ACTUATOR WAS FOUND STUCK IN THE FULLY EXTENDED POSITION. TMS ACTUATOR REPLACED, ENGINES WERE GOUND RUN SERVICEABLE ASDR ASOA97060Tscu · defectiveON DEPARTURE FSM-DFW, RIGHT PROP FEATHERED UNCOMMANDED. THE CREW TURNED THE AUTOFEATHER OFF AND THE RIGHT ENGINE RETURNED TO NORMAL. THE CREW DECLARED AN EMERGENCY AND RETURNED TO FSM WHERE LANDING WAS MADE SAFELY AND WITHOUT FURTHER INCIDENT. TXK MAINTENANSDR HEEA0012001Transmitter · failedTORQUE TRANSMITTER STICKING. TRANSMITS LOW OUT OF TOLERANCE.SDR HEEA0011945Torque Indicator · mis markedINDICATOR HAS WRONG RANGE MARKINGS FOR RED LINE.SDR QXEA9700738Sensor · malfunctionedAFTER GEAR RETRACTION,NR 2 ENGINE TORQUE FLUCTUATED TO 125 PERCENT FOR 1 TO 2 SECONDS THEN RETURNED TO TAKEOFF SETTING OF 97 PERCENT. THE SAME FLUCTUATIONS OCCURRED 3 TIMES WITHIN A PERIOD OF 30 SECONDS. THE POWER UPTRIM LIGHT CYCLED THEN THE NR 2 ENGINE POWSDR CA971110006Harness · faulty(CAN) DURING CLIMB-OUT, NR 2 ENGINE TORQUE INDICATOR WENT TO ZERO, ALL OTHER PARAMETERS REMAINED NORMAL. NR 2 ENGINE WAS SHUTDOWN. POST-FLIGHT INVESTIGATION FOUND THE NR 2 ENGINE HARNESS FAULTY. THE HARNESS WAS REPLACED, THE ENGINE WAS GROUND RUN SERVICEABLESDR HEEA0011740Indicator · failedTORQUE INDICATOR SHOWS NO DISPLAY.SDR 97ZZZM1214Torque Gauge · failedLEFT TORQUE GAUGE INOPERATIVE ON TAKEOFF ROLL, TAKEOFF ABORTED. TORQUE GAUGE FAILURE. REMOVED AND REPLACED LEFT TORQUE GAUGE. (M)SDR CA971113003Torque Probe · faulty(CAN) DURING CLIMB, TORQUE INDICATION ROLLED BACK TO 45 PERCENT. OTHER INDICATIONS NO CHANGE IN POWER OUTPUT. DFDR PULLED FOR EVALUATION AND PROBE REPLACED. FUNCTION CHECK SERVICEABLE.SDR VTZA97597Ttl Valve · failedGSO/IAD - FLT 6322 - DURING TAKEOFF ON 10-26-97 AT 1300 HOURS, ABORTED TAKOFF DUE TO LT ENGINE TORQUE DROPPED TO 80 PERCENT. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 49248, MEL 76-2 ON TTL. MAINTENANCE CLOSED DMI SDR VTZA98319Connector · looseFLT 6339 - IAD-EWR - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE TORQUE 60 PERCENT AND LEFT ENGINE TORQUE 110 PERCENT. AIRCRAFT LANDED AND RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND RESEATED BOTH TORQUE SISDR HEEA0011719Torquemeter · failedCALIBRATION IS OFF, TORQUEMETER TRANSMITS HIGH.SDR HEEA0011562Torquemeter · fluctuatingTORQUEMETER NEEDLE IS FLUCTUATING.SDR HEEA0011524Torquemeter · malfunctionDUAL TORQUE METER RANGE MARKING PAINT FLAKING. NR1 TORQUE NEEDLE BOUNCES DURING FLIGHT.SDR 97ZZZX5046Transducer · failedTORQUE INDICATOR BEGAN TO SPIN THEN FROZE BELOW ZERO. REMOVED AND REPLACED.SDR 97ZZZX5070Indicator · sticksTORQUE INDICATOR'S NR 1 NEEDLE STICKS OR BECOMES ERRATIC. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. REPLACED WITH REPAIRED UNIT SN 190.SDR QXEA9700653Tq Indication · malfunctionedPDX- ON TAKEOFF ROLL, NR 2 ENGINE TORQUE INDICATION STARTED TO FLUCTUATE. ABORTED TAKEOFF AND RETURNED TO THE GATE. AIRCRAFT UNDER REPAIRS.SDR VTZA97562Ttl · malfunctionedFLT 6348 - IAD-GSO - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE LT TTL CAUSED TORQUE TO FLUCTUATE. AIRCRAFT RETURNED TO GATE WITH NO FURTEHR PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 57731, MEL 76-2 ON TTL. MAINTENANCE CLOSED DMI 577SDR HEEA0011292Transmitter · defectiveTORQUE TRANSMITTER PINS FOR ELECTRICAL CONNECTOR TWISTED, KEY BROKEN.SDR HEEA0011145Torquemeter · sticksTORQUE METER NEEDLE STICKS THROUGHOUT SCALE.
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