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 R7MR35348Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. CAUSES GAUGE TO SPIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 15, 2002 · N527RM · Bolkms BK117A4SDR 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 MAINTENAFeb 3, 2002 · N431JS · Dorner DO328100SDR HEEA077763Transmitter · inoperativeTORQUE TRANSMITTER INOPERATIVE.Jan 28, 2002 · N510PH · Bell 407SDR HEEA077734Indicator · malfunctionedTORQUE INDICATOR SPIKED TO 134.1 PERCENT FOR 1.Jan 25, 2002 · N407PH · Bell 407SDR R7MR35346Transducer · inoperativePRESSURE TRANSDUCER, UNIT INOPERATIVE. INDICATOR SPINS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 4, 2002 · N527RM · Bolkms BK117A4SDR CHQ00077Ecu · faultyLEFT ENGINE TQ INDICATION FLUX ON TAKEOFF ROLL. REMOVED AND REPLACED LEFT ECU, GROUND RAN NO DEFECTS NOTED THIS TIME AND DATE.Dec 21, 2001 · N360 · Saab SF340ASDR HEEA077623Transmitter · failedCEASED SENDING PRESSURE SIGNAL TO TORQUE GAUGE.Dec 19, 2001 · N402PH · Bell 407SDR HEEA077603Transmitter · malfunctionedTORQUE SPIKE TO 134.1 PERCENT FOR ONE SECOND.Dec 18, 2001 · N407PH · Bell 407SDR HEEA077578Indicator · malfunctionedTORQUE INDICATOR HAS DIM LIGHTING.Dec 17, 2001 · N406PH · Bell 407SDR COMA0110161Gauge · malfunctionedFLIGHT 5070 R/H ENGINE TORQUE GAUGE FAILED DURING T/O.REPLACED THE TORQUE INDICATOR.Dec 11, 2001 · N462CA · Emb EMB120RTSDR HEEA077232Indicator · malfunctionedBACK LIGHT INOPERATIVE.Nov 20, 2001 · N407PH · Bell 407SDR HEEA077222Indicator · inoperativeWON'T INDICATE TORQUE.Nov 20, 2001 · N408PH · Bell 407SDR 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 ("TRIPOct 30, 2001 · Skrsky S76ASDR HEEA076536Indicator · inoperativeNO INDICATION ON GAUGE. IT WILL NOT TEST.Oct 10, 2001 · N720PH · Bell 407SDR HEEA076527Transmitter · malfunctionedLOW TORQUE INDICATION.Oct 10, 2001 · N494PH · Bell 407SDR 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.Oct 9, 2001 · N194SW · Emb EMB120ERSDR 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 ENGINEOct 9, 2001 · N961AE · Bag JETSTM3201SDR HEEA076363Indicator · inoperativeTORQUE INDICATOR LIGHT INOPERATIVE.Oct 3, 2001 · N4999 · Bell 407SDR KBMA111941Torquemeter · intermittentTORQUE METER INDICATOR, INTERMITTANT. INSTALLED SERVICEABLE UNIT.Sep 27, 2001 · N313LV · Snias AS350B2SDR 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)Sep 19, 2001 · N538AT · Aerosp ATR72212ASDR 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 ORSep 17, 2001 · Bell 206BSDR 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)Sep 17, 2001 · N387AE · Saab 340BSDR 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 MAINTENASep 14, 2001 · N438JS · Dorner DO328100SDR 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.Sep 4, 2001 · N556HK · Jetair JETSTM4101SDR 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.Aug 28, 2001 · Pilats PC1245SDR HEEA075636Torquemeter · fluctuatesINDICATOR HAS A CONSTANT FLUCTUATION IN CRUISE FLIGHT. REPLACED WITH SERVICEABLE INDICATOR.Aug 28, 2001 · N42EA · Bell 206L3SDR 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)Jul 20, 2001 · N244AE · Saab 340BSDR 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)Jul 19, 2001 · N424MB · Bolkms BK117A3SDR 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. MAINTENANCJul 3, 2001 · N913AE · Bag JETSTM3201SDR 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.Jun 19, 2001 · N2261D · Bell 412SDR HEEA073664Control Unit · malfunctioned10 PERCENT TORQUE SPLIT. IN SHOP REPAIR.Jun 19, 2001 · N5759N · Bell 412SDR HEEA073663Control Unit · malfunctionedAIRCRAFT HAS 6 PERCENT TORQUE SPLIT AT HIGH POWER SETTINGS. IN SHOP REPAIR.Jun 19, 2001 · N2149S · Bell 412SDR HEEA073662Control Unit · erraticERRATIC TORQUE LIMITING, N2 DROOPING EARLY. IN SHOP REPAIR.Jun 19, 2001 · N2149S · Bell 412SDR SWIA972637Indicator · malfunctionedTORQUE FLUCTUATIONS RIGHT ENGINE ON TAKEOFF ROLL. ABORTED AND RETURNED TO GATE. REPLACED RIGHT ENGINE TORQUE GAUGE. OPS CHECK GOOD.Jun 15, 2001 · N569SW · Emb EMB120ERSDR 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.Jun 12, 2001 · N41NE · Swrngn SA227ACSDR 2002F00312Transducer · inoperativePRESSURE TRANSDUCER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)Jun 8, 2001 · N528SF · Bolkms BK117A3SDR 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)Jun 5, 2001 · N298AE · Saab 340BSDR 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)Jun 5, 2001 · N277AT · Aerosp ATR42300SDR 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 LEFJun 2, 2001 · N423TE · Aerosp ATR42300SDR HEEA073206Indicator · malfunctionedINDICATES APPROX. 8% LOW. INDICATES 0% AT FLIGHT IDLE.Jun 1, 2001 · N501PH · Bell 407SDR PNSA010507Connector · dirtyTORQUE INDICATION ERRATIC ON TAKEOFF RUN. ABORTED TAKEOFF. RETURNED TO BLOCK. CLEANED CANNON PLUG FOR TORQUE INDICATION SYSTEM. OPERATIONAL CHECK OK.May 30, 2001 · N640PA · Swrngn SA227ACSDR TI1R001461Control Unit · inoperativeRMP CONTROL UNIT - PARTS SUPPORT AGREEMENT. REMOVED AND REPLACED.May 11, 2001 · N317MC · Bolkms BK117C1SDR R7MR33479Transducer · inoperativeUNIT INOPERATIVE. GAUGE WENT TO -0-. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.May 1, 2001 · N10UM · Bolkms BK117B1SDR 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.Apr 21, 2001 · N422TE · Aerosp ATR42300SDR 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 CApr 14, 2001 · N425MJ · Aerosp ATR72212SDR HEEA072556Indicator · fluctuatesFLUCTUATES 10 PERCENT AND INTERMITTENTLY STICKS AT 6 PERCENT AFTER SHUTDOWN.Apr 11, 2001 · N53119 · Bell 206L3SDR HEEA072555Indicator · fluctuatesTORQUE NEEDLE BOUNCES 2 TO 4 PERCENT.Apr 11, 2001 · N45RP · Bell 206L1SDR HEEA072554Indicator · fluctuatesFLUCTUATES 3 TO 5 PERCENT ABOVE 80 PERCENT TORQUE.Apr 11, 2001 · N81671 · Bell 206L3SDR HEEA072553Indicator · fluctuatesINDICATOR FLUCTUATES 4 TO 5 PERCENT AT ALL TIMES.Apr 11, 2001 · N42EA · Bell 206L3SDR 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.Apr 10, 2001 · N2261D · Bell 412
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