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 ZJ62004F00000Indicator · malfunctionedRT ENG TORQUE AND RPM DROPPED. TORQ FELL TO APPROX 10 PERCENT REGARDLESS OF PWR LEVER POSITION. EGT WAS FLUCTUATING BETWEEN 450 DEGREES AND 650 DEGREES C. ENG RPM THEN STABILIZED AT 96 PERCENT WHILE TORQ REMAINED AT 10 TO 20 PERCENT REGARDLESS OF PWR LEVER SDR SWIA200413599Signal Cond Unit · malfunctionedON T/O ROLL, RIGHT ENGINE AUTO-FEATHERED DURING POWER LEVER ADVANCEMENT. REMOVED AND REPLACED RIGHT HAND ENGINE TORQUE SIGNAL CONDITIONER IAW MM 77-11-01. OPERATIONAL CHECK GOOD.SDR 2004F00300Sensor · malfunctionedDURING APPROACH, RIGHT ENGINE TORQUE FLUCTUATED BETWEEN 20 PERCENT AND UP TO 80 PERCENT UNABLE TO CONTROL ENGINE WAS SHUTDOWN. REPLACED TORQUE SENSOR. (M)SDR CA041020008Probe · failed(CAN) POWER PLANT CAUTION MESSAGE ON ENGINE DISPLAY DURING DESCENT. A/C COMPLETED AN UNEVENTFUL LANDING. AFTER SUCCESSFUL RESET OF THE SYSTEM WITH TCC CONTACT, ENGINES STARTED. JUST AFTER ENGINE SPOOL-UP WEGOT 'POWERPLANT' ONCE AGAIN. FLIGHT WAS THEN CANCELLEDSDR KBM2004F00159Indicator · defectiveTORQUE GAUGE UNRELIABLE. REMOVED DEFECTIVE UNIT AND INSTALLED REPAIRED UNIT.SDR SWIA200413457Pickup · malfunctionedRIGHT TORQUE GAUGE WOULD ONLY RESPOND TO 20 PERCENT. RIGHT ENGINE FEATHERED. ABORTED TAKEOFF. REPLACED THE TORQUE METER PICK-UP PROBE IAW 77-11-02. OPERATIONAL CHECK GOOD. P/N: 4002-0000-02.SDR KBM2004F00158Transmitter · erraticTORQUE GAUGE REPORTED ERRATIC. REPLACED TORQUE TRANSMITTER WITH SERVICEABLE UNIT. OPS CHECK GOOD.SDR RAIA00406008Torque Bridge · malfunctionedPIT - ERRATIC INDICATION ON RT ENGINE. MAINTENANCE CLEARED IEC FAULTS AND SWAPPED TORQUE BRIDGE FROM NR 2 TO NR 1 POSITION AND OPS CHECK GOOD.SDR KBM2004F00143Indicator · inoperativeTORQUE INDICATOR, NEEDLE DOES NOT MOVE AT ALL. REMOVED AND REPLACED.SDR 61517Indicator · malfunctionedON POWER UP FOR TAKEOFF LEFT HAND TORQUE GAUGE DROPPED TO ZERO. THE TAKEOFF WAS ABORTED. AIRCRAFT RETURNED TO GATE AND MAINTENANCE CALLED. REMOVED AND REPLACED NR 1 TORQUE METER, OPS CHECK GOOD. P/N 114-380065-3, S/N 630.SDR BAQA094679Transmitter · failedTORQUE TRANSMITTER UNIT FAILED OUT OF BOX, WILL NOT ADJUST. RETURNED TO TRADEWIND INTERNATIONAL.SDR AUS20040399Pipe · cracked(AUS) LT ENGINE NEGATIVE TORQUE SENSOR (NTS) OIL PIPE CRACKED IN FLARE.SDR 2004F00268Indicator · inoperativeDURNG POEWR ADVANCE ON TAKEOFF, NR 1 TORQUE INDICATOR SHOWED '0'. CREW ABORTED TAKEOFF ROLL AND RETURNED TO THE RAMP. MAINTENANCE REMOVED AND REPLACED THE TORQUE INDCIATOR. AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR KBM2004F00086Transmitter · reads highTORQUE READING 10-15 PERCENT HIGH AND FUNCTUATING. REMOVED AND REPLACED.SDR 102851Warning System · erraticPILOT NOTICED THE TORQUE INDICATION BEING ERATIC ON THE RT ENGINE DURING TAKEOFF ROLLOUT AT ABOUT 70 KTS. PILOT RETARDED THE THROTTLES AND RETURNED TO THE GATE.SDR CA040315011Valve · eroded(CAN) FLIGHT CREW REPORTED OCCASIONAL PROBLEMS WITH TORQUE INDICATION DURING POWER REDUCTIONS. TORQUE INDICATION WOULD HANG UP AT VARIOUS HIGH SETTINGS DESPITE POWER REDUCTIONS TO IDLE. FROM A PREVIOUS CASE OF THIS ON ANOTHER AIRCRAFT, THE POWER REDUCTION CASESDR AMTA200400200Sensor · malfunctionedRT ENGINE NR 2 WENT TO O/S 103.4 4SEC. REMOVED AND REPLACED TPSU IAW AMM. OPS CHECK IAW 71-00-00-5 TEST 3. OK FOR SERVICE.SDR 2004FA0000269Gauge · inaccuratePILOT REPORTED OPERATIONAL EXCEEDANCE DURING FLIGHT RETURNED AC TO HELIPORT. UPON FURTHER INSPECTION AND EVALUATION IT WAS DETERMINED THAT THE DIAMOND J. TORQUE GAUGE WAS READING APPROX 15 LBS. LOW. AT 60 KNOTS AIRSPEED TORQUE READING 26-27 LBS. NORMAL READISDR AUS20040099Switch · faulty(AUS) RT ENGINE LOW TORQUE SWITCH FAULTY. WORKSHOP INVESTIGATION FOUND THE FOLLOWING DEFECTS WITH THE SWITCH: SLIGHT DISTORTION ON SWITCH BASE SWITCH CAP O'RING GROOVES SCORED. PIN TERMINAL ASSEMBLY HAD CORROSION ON PINS.SDR BAQA092645Control Unit · intermittentCONTROL UNIT INTERMITTENT, TQCNF/EXT THROUGH ECU ON NR 2 ENGINE. REPLACED BY SERVICEABLE UNIT. 02/11/2004SDR SWIA200412857Signal Cond Unit · malfunctionedON APPROACH, LEFT ENGINE HAD UNCOMMANDED AUTOFEATHER. TORQUE REACHED 115 PERCENT. REPLACED TORQUE SENSOR, SIGNAL CONDITIONER AND EEC HARNESS WITH SERVICEABLE UNIT IAW EMB-120 MM 73-22-00. OPS CHECKS GOOD. TORQUE SENSOR P/N OFF: 3105076-01.SDR KBM2004F00110Transmitter · unreliableTORQUE GAUGE SHOWING UNRELIABLE READINGS DURING THE FLIGHT. ON GROUND IT ROTATES CLOCKWISE. REMOVED AND REPLACED.SDR ASOA04075Probe · inoperativeFLT 4862 - DURING DESCENT INTO ATL FROM TYS, A TORQUE FLUCTUATION WAS NOTICED ON THE RIGHT ENGINE. THE CREW REDUCED THE TORQUE TO APPROXIMATELY FIFTY PERCENT AND THE RIGHT ENGINE CONTINUED TO FLUCTUATE BETWEEN 0 TO 102 PERCENT. THE CREW THEN REDUCED THE TORQSDR COMA0460072Signal Cond Unit · malfunctionedFLIGHT 5499 RT ENGINE VIBRATION CAUTION DURING T/O. REPLACED THE SIGNAL CONDITIONER.SDR GLBA20030536Transmitter · inoperativeRT TORQUE GAUGE STUCK AT ZERO ON TAKE OFF, REMOVED AND REPLACED NR 2 TORQUE TRANSMITTER.SDR GLBA2003528Connector · inoperative104 PERCENT N1 WITH 2000 LB TORQUE ON NR 2 ENG, CLEANED CONNECTOR ON TORQUE TRANSDUSER ON NR 2 ENGINE.SDR ASOA04019Probe · inoperativeDURING CRUISE, THE CREW EXPERIENCED A SIGNIFICANT POWER FLUCTUATION ON RT ENGINE AND SHORTLY AFTER LEVELING OFF AT 11,000 FEET AIRCRAFT YAWED TO RT. THE CREW NOTED THE RT ENGINE TORQUE GAUGE NEEDLE INCREASED TO 120 PERCENT, WHILE THE DIGITAL GAUGE SIMULTANEOUSDR 2004F00151Tscu · malfunctionedFLT 1126 - HNL - NR 2 ENGINE AUTO FEATHERED ON TAKEOFF ROLL, FIRST APPLICATION OF POWER. REMOVED AND REPLACED NR 1 TORQUE SIGNAL CONDITION UNIT (TSCU) IAW PW MM CHAPTER 72-01-10 PAGE 414-419/420, OPS CHECK GOOD. (M)SDR 57174Indicator · failedAFTER TAXING OUT FROM GATE. CREW NOTED LT TORQUE INDICATOR WENT TO ZERO ON INITIAL SPOOL UP FOR TAKEOFF. CREW THEN RETURNED TO GATE WITH NO FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE INDICATOR.SDR BAQA091499Indicator · fluctuatesTORQUE INDICATOR FLUCTUATES. REPLACED WITH SERVICEABLE UNIT. 12/12/03SDR AUS20031132Pin · failed(AUS) ENGINE TORQUEMETER PIN FAILED. PIN COULD NOT BE FOUND AND IT WAS SUSPECTED THAT THE PIN WAS SOMEWHERE IN THE ENGINE. ENGINE WAS REMOVED FOR REPAIR.SDR QXEA200301385Signal Cond Unit · malfunctionedON TAKEOFF NOTICED POWER UPTRIM LIGHT ILLUMINATED. ALL OTHER INDICATIONS NORMAL. NR 2 POWER LEVER 1 INCH SPLIT BEHIND NR 1 POWER LEVER. SELECTING AUTOFEATHER OFF NR 2 LOSS OF -10 PERCENT TORQUE. REMOVED AND REPLACED TSCU. OPERATIONAL CHECKS GOOD. AIRCRAFSDR BAQA089976Indicator · stuckPART REMOVED LASTED ONLY 119.0 HOURS. ENGINE NR 1 NEEDLE STICKS AT +/- 20 PERCENT. REPLACED WITH SERVICEABLE UNIT. 10/15/03SDR BAQA089814Transducer · fluctuatesENGINE NR 2 TORQUE FLUCTUATIONS. REPLACED WITH SERVICEABLE UNIT.SDR 54992Indicator · failedRIGHT TORQUE GAUGE FAILED ON TAKE OFF DURING INITIAL POWER UP. RETURNED TO GATE AND CALLED MX. REPLACED GAUGE OPS CK GOOD P/N 114-3800-653 SN 390MU.SDR 54885Indicator · fluctuatesDURING TAKE OFF RIGHT TORQUE WENT TO ZERO. TAKE OFF WAS ABORTED AND AIRCRAFT RETURNED TO MAINT. REMOVED AND REAPLCED GAUGE.P/N 114-3800-653 S/N 132.SDR ASOA03460Torque Sensor · intermittentDURING CRUISE FROM ATL-GPT - AT APPROXIMATELY 16,000 FEET THE CREW NOTICED AN ENGINE PITCH CHANGE ACCOMAPNIED BY A YAW, ALONG WITH THE LEFT ENGINE TORQUE DROPPING TO APPROXIMATELY TWENTY PERCENT AND THEN RETURNING TO NORMAL. THE CREW REDUCED THE POWER LEVERS SDR BAQA089240Module · failedENGINE TORQUE FLUCTUATES. REPLACED WITH SERVICEABLE UNIT. 9/29/03SDR DU22003F00000Torque Sensor · failedTHE ENGINE SHUT DOWN ON FINAL APPROACH. IT WILL NOT BE KNOWN UNTIL THE ENGINE IS APART ON WHAT EXACTLY FAILED. IT IS SUSPECTED THAT THE TORQUE SENSOR FAILED. THE FAILURE OF THIS UNIT CAUSED THE ACCESSORY DRIVE FOR THE ENGINE DRIVEN FUEL PUMP TO STOP ROTATIOSDR GLBA2003133Transmitter · malfunctionedNR 1 ENG WILL NOT MAKE TAKE OFF POWER, R&R NR 1 TORQUE TRANSMITTERSDR GLBA2003132Indicator · failedNR 1 TORQUE GAUGE QUIT AFTER TAKEOFF, REMOVED AND REPLACED TORQUE INDICATOR.SDR ALG2003F00088Indicator · malfunctionedIN LEVEL FLIGHT CHECK INSTRUMENT LIGHT ILLUMINATED, TOOK POWER AWAY AND THE LIGHT WENT OUT. CHECK INSTRUMENT LIGHT ILLUMINATED AGAIN AND THE TORQUE GAUGE CYCLED FROM ZERO TO PEGGED OUT EXCEDANCE SHOWED 63 PERCENT OVER TORQUE. LOWERED TEMP TO 200 DEGREES BELOSDR ALG2003F00087Transmitter · failedIN LEVEL FLIGHT, CHECK INSTRUMENT LIGHT ILLUMINATED, I TOOK POWER AWAY AND THE LIGHT WENT OUT. CHECK INSTRUMENT LIGHT ILLUMINATED AGAIN AND THE TORQUE GAUGE CYCLED FROM ZERO TO PEGGED OUT. EXCEDANCE SHOWED 63 PERCENT OVER TORQUE. LOWERED TEMP TO 200 DEGREESSDR BAQA088838Transmitter · inoperativeTORQUE TRANSMITTER IS INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.SDR GLBA2003123Indicator · stuckRT TORQUE INDICATOR IS STUCK AT 300LB, REMOVED AND REPLACED RT TORQUE GAUGE. OPS CHECK GOOD.SDR BAQA088794Indicator · inoperativeTORQUE INDICATOR INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.SDR 2003F00594Transducer · failedAPPROXIMATELY 305 MINUTES AFTER TAKEOFF, NR 2 TORQUE INDICATOR FAILED. ALL OTHER INSTRUMENTS WERE INDICATING NORMAL. REMOVED AND REPLACED PRESSURE TRANSDUCER. OPERATION CHECKS GOOD. (M)SDR NACA20030102Transmitter · reads lowTAKE OFF ABORTED DUE TO NR 2 ENGINE LOW BMEP. NR 2 ENGINE BMEP DEFERRED: REPLACED BMEP TRANSMITTER.SDR 84031Torque Sensor · malfunctionedTEMP, TORQUE AND FUEL FLOW ALL DECLINED. ENGINE WAS SECURED AND PROP FEATHERED AND AN UNEVENTFUL LANDING WAS MADE AT GJT. UPON ENGINE DISASSEMBLY, THE TORQUE SENSOR SHAFT WAS FOUND SHEARED.SDR HEEA088547Torquemeter · fluctuatesENGINE TORQUEMETER FLUCTUATES. TO BE SENT TO VENDOR FOR REPAIR.
Back to JASC 7712