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 R7MR35348Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. CAUSES GAUGE TO SPIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR VNAA0202002Sensor · failedAFTER THE TAKEOFF, THE LEFT HAND ENGINE LOST POWER. THEN THE ENGINE TORQUE SURGED TWICE. THE CREW DID DECLARE AN EMERGENCY AND SHUT DOWN THE ENGINE AND RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE TORQUE SENSOR IN ACCORDANCE WITH DORNIER MAINTENASDR HEEA077763Transmitter · inoperativeTORQUE TRANSMITTER INOPERATIVE.SDR HEEA077734Indicator · malfunctionedTORQUE INDICATOR SPIKED TO 134.1 PERCENT FOR 1.SDR R7MR35346Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. INDICATOR SPINS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CHQ00077Ecu · faultyLEFT ENGINE TQ INDICATION FLUX ON TAKEOFF ROLL. REMOVED AND REPLACED LEFT ECU, GROUND RAN NO DEFECTS NOTED THIS TIME AND DATE.SDR HEEA077623Transmitter · failedCEASED SENDING PRESSURE SIGNAL TO TORQUE GAUGE.SDR HEEA077603Transmitter · malfunctionedTORQUE SPIKE TO 134.1 PERCENT FOR ONE SECOND.SDR HEEA077578Indicator · malfunctionedTORQUE INDICATOR HAS DIM LIGHTING.SDR COMA0110161Gauge · malfunctionedFLIGHT 5070 R/H ENGINE TORQUE GAUGE FAILED DURING T/O.REPLACED THE TORQUE INDICATOR.SDR HEEA077232Indicator · malfunctionedBACK LIGHT INOPERATIVE.SDR HEEA077222Indicator · inoperativeWON'T INDICATE TORQUE.SDR CA011114018Bearing · failed(CAN) SUBJECT: ESN 15051- PARTICLES ANALYSIS. WE HAVE RECEIVED THE ANALYSIS RESULTS OF THE PARTICLES FOUND ON THE MODULE 05 S/N¦ 03199¦ MAGNETIC PLUG . THE PARTICLES¦ ARE 100 C6 MATERIAL AND HAVE AS THE ORIGIN ONE OF THE HYDRAULIC TORQUEMETER BEARINGS ("TRIPSDR HEEA076536Indicator · inoperativeNO INDICATION ON GAUGE. IT WILL NOT TEST.SDR HEEA076527Transmitter · malfunctionedLOW TORQUE INDICATION.SDR SWIA200110242Indicator · malfunctionedLEFT TORQUE GAUGE ROLLER BACK TO ZERO ON TAKEOFF. SYSTEM AUTO FEATHERED. ABORTED TAKEOFF. INSPECTED AND CLEANED LEFT ENGINE TORQUE PROBE CANNON PLUG. NO DEFECTS NOTED. REPLACED LEFT ENGINE TORQUE INDICATOR. RAN LEFT ENGINE. OPS CHECK GOOD.SDR SABA011052Signal Cond Unit · out of adjAIRCRAFT 961 ON FLIGHT 5093 FROM CHARLOTTE TO AUGUSTA; ON ARRIVAL TO THE AUGUSTA AREA THE NUMBER TWO-ENGINE TORQUE INDICATION WAS READING ERRATIC AND FLUCTUATING FROM 0 TO 20 PERCENT. THIS CAUSING THE AIRCRAFT TO START SURGING TO THE RIGHT. NUMBER TWO ENGINESDR HEEA076363Indicator · inoperativeTORQUE INDICATOR LIGHT INOPERATIVE.SDR KBMA111941Torquemeter · intermittentTORQUE METER INDICATOR, INTERMITTANT. INSTALLED SERVICEABLE UNIT.SDR SIMA200126203Control Unit · erraticDFW - FLT 3607 - NR 1 ENGINE TORQUE AND NR 2 ENGINE PROPELLER SPEED WAS ERRATTIC DURING CLIMB-OUT. CREW RETURNED TO FIELD. REMOVED AND REPLACED THE PEC INTERFACE UNIT IAW ATR 72 AMM. OPERATIONALLY CHECKED GOOD. (M)SDR CA011002002Piston · clogged(CAN) TORQUE INDICATOR ON THE GROUND READ 70 PERCENT TORQUE THEN CLIMBED TO 90 PERCENT TORQUE WITHOUT ADVANCING THE THROTTLE OR INCREASING THE POWER. TORQUE INDICATOR REPLACED, DEFECT DID NOT GO AWAY. REPLACED THE ENGINE GEARBOX. IT WAS NOTED THAT THE BLEED ORSDR SIMA200126004Gauge · faultyDFW - FLT 3685 - LEFT ENGINE TORQUE WENT TO ZERO ON TAKEOFF. LEFT TORQUE CIRCUIT BREAKER POPPED. ABORTED TAKEOFF. REMOVED AND REPLACED LEFT TORQUE GAUGE. OPS CHECK GOOD. (M)SDR VNAA0109008Signal Cond Unit · failedDURING DESCENT, THE LEFT HAND ENGINE TORQUE WAS 35 PERCENT THEN JUMPED TO AN INDICATED 85 PERCENT. FLIGHT 4012 CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE TORQUE SIGNAL CONDITIONER IN ACCORDANCE WITH DORNIER MAINTENASDR RAIA00109003Connector · failed7067-STL-RIGHT ENGINE IEC FAILED DURING TAXI, RIGHT ENGINE TORQUE INDICATES -20%. MAINTENANCE INSPECTED AND REPLACED THE RIGHT ENGINE TORQUE RING CANNON PLUG.SDR CA010831016Tube · leaking(CAN) PART TIME NOT KNOWN. METAL CLAMP ON LINE CHAFED THROUGH OIL LINE.TUBE WAS FOR TORQUE TRANSDUCER. FIG 01, 77-10-00 ITEM 10 MOST OF THESE LINES HAVE CLAMPS WITHOUT RUBBER INSERTS. THEY ARE METAL ON METAL.SDR HEEA075636Torquemeter · fluctuatesINDICATOR HAS A CONSTANT FLUCTUATION IN CRUISE FLIGHT. REPLACED WITH SERVICEABLE INDICATOR.SDR SIMA200120101Torque Sensor · dirtyBUF - FLT 5194 - DURING CLIMB-OUT, NR 2 ENGINE TORQUE SURGING PLUS/MINUS 7 PERCENT. CLEANED TORQUE SENSOR IAW AMM. OPS CHECK GOOD. (M)SDR 2001F00507Torquemeter · erraticTORQUEMETER INDICATOR INOPERATIVE. NR 1 NEEDLE JUMPS ERRATICALLY. RECEIVED NEW WITH A3 AND A4 CONVERSION KIT. THIS UNIT IS BRAND NEW MANUFACTURE, NOT OVERHAULED OR REPAIRED. REPLACED WITH REPAIRED UNIT CORRECTED PROBLEM. (M)SDR SABA010028Transmitter · malfunctionedAIRCRAFT 913 ON FLIGHT 5109 CLT TO HKY. DURING CLIMBOUT FROM CLT THE LEFT ENGINE TORQUE INDICATION WENT TO ZERO. ALL ENGINE INDICATIONS WERE NORMAL. NO INFLIGHT EMERGENCY WAS DECLARED. AIRCRAFT RETURNED TO CLT AND LANDED WITH NO OTHER PROBLEMS. MAINTENANCSDR HEEA073672Indicator · malfunctionedCOPILOT READS 3 PERCENT HIGHER THAN PILOTS AND ENG TORQUE SHOW 4 PERCENT SPLIT WHERE AS THE PILOTS SHOW ONLY A 1%. IN SHOP FOR REPAIR.SDR HEEA073664Control Unit · malfunctioned10 PERCENT TORQUE SPLIT. IN SHOP REPAIR.SDR HEEA073663Control Unit · malfunctionedAIRCRAFT HAS 6 PERCENT TORQUE SPLIT AT HIGH POWER SETTINGS. IN SHOP REPAIR.SDR HEEA073662Control Unit · erraticERRATIC TORQUE LIMITING, N2 DROOPING EARLY. IN SHOP REPAIR.SDR SWIA972637Indicator · malfunctionedTORQUE FLUCTUATIONS RIGHT ENGINE ON TAKEOFF ROLL. ABORTED AND RETURNED TO GATE. REPLACED RIGHT ENGINE TORQUE GAUGE. OPS CHECK GOOD.SDR PNSA010603Connector · dirtyRT ENGINE INDICATED LOW TORQUE DURING TAKEOFF. ABORTED TAKEOFF. RETURNED TO BLOCK. CLEANED AND SECURED TORQUE BRIDGE CANNON PLUG AT ENGINE. NO FURTHER PROBLEMS NOTED.SDR 2002F00312Transducer · inoperativePRESSURE TRANSDUCER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)SDR SIMA200115620Control Panel · failedFLT 5113 - JFK - LEFT APR LIGHT DID NOT ILLUMINATE. ABORTED TAKEOFF. ISSUED MEL. REMOVED AND REPLACED CTOT/APR CONTROL PANEL IAW AMM. OPS CHECK GOOD. (M)SDR SIMA200115618Plug · contaminatedJAX - FLT 5258 - NR 2 ENGINE SURGED ON TAKEOFF. TAKEOFF WAS ABORTED AND RETURNED TO GATE. S/D - FOUND OIL ON PLUGS ON THE TSCU. CLEANED PLUGS AND PERFORMED RUNS IAW AMM 72-00-00. OPS CHECK GOOD. (M)SDR RAIA00106002Tscu · failed7400-STL-LEFT PROPELLER FEATHERED IN FLIGHT, POWER MANAGEMENT KNOB IN CLIMB, TORQUE WAS 85 PERCENT. NP WENT TO 20 PERCENT, ENGINE TORQUE WENT FULL SCALE, CREW RETARDED POWER, PROPELLER UNFEATHERED, AIRCRAFT RETURNED WITHOUT INCIDENT. MAINTENANCE INSPECTED LEFSDR HEEA073206Indicator · malfunctionedINDICATES APPROX. 8% LOW. INDICATES 0% AT FLIGHT IDLE.SDR PNSA010507Connector · dirtyTORQUE INDICATION ERRATIC ON TAKEOFF RUN. ABORTED TAKEOFF. RETURNED TO BLOCK. CLEANED CANNON PLUG FOR TORQUE INDICATION SYSTEM. OPERATIONAL CHECK OK.SDR TI1R001461Control Unit · inoperativeRMP CONTROL UNIT - PARTS SUPPORT AGREEMENT. REMOVED AND REPLACED.SDR R7MR33479Transducer · inoperativeUNIT INOPERATIVE. GAUGE WENT TO -0-. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR RAIA00105002Torque Sensor · failed7320-STL-DURING TAXI NR 2 ECU FAULT LIGHT ILLUMINATED. MAINTENANCE REMOVED AND REPLACED NR 2 TORQUE SIGNAL CONDITIONER IAW ATR42 MAINTENANCE MANUAL.SDR SIMA20011042Sensor · failedMIA - FLT 5265 - CREW REPORTED A RIGHT ENGINE POWER LOSS AT 1200 FEET. POWER LOSS LASTED APPROX 3-5 SECONDS THEN GRADUALLY RETURNED TO NORMAL. MAINTENANCE REMOVED AND REPLACED THE TWO TORQUE SENSOR (S/N''S CH771, CH395) ON THE RIGHT ENGINE IAW PWC MM. OPS CSDR HEEA072556Indicator · fluctuatesFLUCTUATES 10 PERCENT AND INTERMITTENTLY STICKS AT 6 PERCENT AFTER SHUTDOWN.SDR HEEA072555Indicator · fluctuatesTORQUE NEEDLE BOUNCES 2 TO 4 PERCENT.SDR HEEA072554Indicator · fluctuatesFLUCTUATES 3 TO 5 PERCENT ABOVE 80 PERCENT TORQUE.SDR HEEA072553Indicator · fluctuatesINDICATOR FLUCTUATES 4 TO 5 PERCENT AT ALL TIMES.SDR HEEA072455Indicator · splitHAS A 10 PERCENT SPLIT. ALSO NOTICED WITH JUST THE NR 1 ENGINE RUNNING THE TRANSMISSION NEEDLE FLUCTUATING AND BRINGING THE NR 2 NEEDLE WITH IT.
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