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 99ZZZX3806Shaft · groovedSHAFT EXCESSIVELY GROOVED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX3877Transducer · inoperativeTRANSDUCER UNIT INOPERATIVE. TORQUE GAUGE GOES TO ZERO. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR AU990831Control Panel · faulty(AUS) LEFT ENGINE CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL FAULTY.SDR 99ZZZX3872Indicator · inoperativeUNIT INOPERATIVE. UNIT FAILED SELF-TEST. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 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 SERVISDR AU990838Control Panel · inoperative(AUS) RIGHT ENGINE CONSTANT TORQUE ON TAKEOFF (CTOT) CONTROL PANEL FAULTY.SDR RAIA990438Tscu · failedFLT 7028 - COU - TORQUE FLUCTUATION ON LEFT ENGINE. MAINTENANCE REPLACED TORQUE SIGNAL CONDITIONER FOR LEFT ENGINE. (M)SDR 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 SDR 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.SDR HEEA061803Indicator · reads lowTORQUE INDICATOR'S NR 2 NEEDLE READING 4 PERCENT LOW.SDR HEEA061659Indicator · stickingNR 1 INDICATION AND CURSOR POINTERS STICKING.SDR 99ZZZX1541Gauge · looseGAUGE FACE SEPARATED FROM MOUNTING BASE AND GLASS. REMOVED AND REPLACED.SDR HEEA061171Indicator · fluctuatesTORQUE INDICATOR HAS NEEDLE FLUCTUATION.SDR RAIA990233Connector · failedFLT 7663 - JFK - LEFT TTL LIGHT LIGHT ILLUMINATED. MAINTENANCE REPLACED LEFT ENGINE TORQUE RING CANNON PLUG. (M)SDR 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.SDR HEEA060886Torquemeter · sticksNEEDLE STICKING AND BOUNCING ON TORQUEMETER.SDR HEEA060885Torquemeter · sticksTORQUE INDICATOR FLUCTUATES AND STICKS.SDR HEEA060884Torquemeter · sticksTORQUEMETER HAS EXCESSIVE FLUCTUATION IN CRUISE FLIGHT. NEEDLE STICKS.SDR HEEA060883Torquemeter · fluctuatesTORQUEMETER FLUCTUATES AND NEEDLE STICKS AT 50 PERCENT.SDR HEEA060882Torquemeter · sticksTORQUE OSCILLATION NEEDLE STICKS ON TORQUEMETER.SDR HEEA060881Torquemeter · fluctuatesTORQUEMETER HAS FLUCTUATION OF NEEDLE WITHOUT TORQUE.SDR HEEA060880Torquemeter · sticksINDICATOR FLUCTUATING, NEEDLE STICKS ON TORQUEMETER.SDR HEEA060879Torquemeter · sticksNEEDLE STICKING ON TORQUEMETER.SDR HEEA060833Indicator · reads highTORQUE INDICATOR READS HIGH OUT OF TOLERANCE.SDR HEEA060832Indicator · sticksTORQUE METER INDICATOR'S NEEDLE STICKS INTERMITTENTLY.SDR HEEA060831Torque Gauge · reads lowTORQUE GAUGE READS LOW.SDR HEEA060756Indicator · sticksNEEDLE STUCK ON TORQUE INDICATOR.SDR HEEA060755Indicator · sticksNR 2 NEEDLE STUCK ON HIGH SIDE ON TORQUE INDICATOR.SDR HEEA060753Indicator · sticksNR 1 NEEDLE STICKS ON TORQUE INDICATOR.SDR HEEA060706Indicator · sticksN1 INDICATION STICKS ON ZERO.SDR 99ZZZX1249Gauge · reads highTORQUE GAUGE READING 6 PSI HIGH. REMOVED AND REPLACED.SDR 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 SIDSDR PLGA990204Ctot · failedALB - FLT 6262 - DURING TAKEOFF, CTOT FAILED TO ARM AND TAKEOFF WAS ABORTED. MAINTENANCE COULD NOT DUPLICATE PROBLEM. AIRCRAFT RETURNED TO SERVICE. (M)SDR AU990100Ctot Panel · inop(AUS) CONSTANT TORQUE ON TAKEOFF (CTOT) PANEL SUSPECT FAULTY.SDR HEEA060474Transducer · failedPRESSURE TRANSDUCER'S TORQUE INDICATION FELL TO ZERO.SDR HEEA060127Indicator · stickingTORQUE METER INDICATOR'S NR 1 NEEDLE STICKS.SDR HEEA060106Transmitter · failedTRANSMITTER WILL NOT FUNCTION.SDR HEEA060063Indicator · malfunctionedDUAL TORQUE INDICATOR'S NR 2 NEEDLE WOULD NOT MOVE WHEN CALIBRATING.SDR HEEA060062Indicator · stickingDUAL TORQUE INDICATOR'S NR 1 NEEDLE STICKS.SDR HEEA060061Indicator · inoperativeDUAL TORQUE INDICATOR'S NR 1 NEEDLE INOPERATIVE.SDR 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)SDR 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.SDR 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.SDR 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 ASDR RAIA981215Connector · failedFLT 7570 - JFK - LEFT ENGINE TORQUE INDICATION FLUCTUATING. MAINTENANCE REPLACED LEFT ENGINE IEC CANNON PLUG. (M)SDR 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 SDR CA990311059Indicator · failed(CAN) FLIGHT CREW REPORTED FLUCTUATIONS ON THE RIGHT TORQUE INDICATOR WITH NO CORRESPONDING PARAMETER SHIFTS. RIGHT TORQUE INDICATOR REPLACED.SDR 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 RSDR 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.SDR COMA9810251Torque Ind · failedRIGHT HAND ENGINE TORQUE INDICATOR FAILED. REPLACED TORQUE INDICATOR.
Back to JASC 7712