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 BAQA089303Transmitter · reads lowTORQUE READS LOW. REPLACED WITH SERVICEABLE UNIT. 9/22/03Jul 16, 2003 · N89SM · Aerosp SA365NSDR GLBA2003104Indicator · failedNR 1 TORQUE INDICATOR FAILED. REMOVED AND REPLACED NR 1 TORQUE IND.Jul 10, 2003 · N153GL · Beech 1900DSDR ALG2003F00098Indicator · malfunctionedON TAKE OFF, DURING CLIMB THE TORQUE INDICATION WENT TO 103 PERCENT FOR 3-5 SECONDS AND (CHECK) INSTRUMENT LIGHT ILLUMINATED. TORQUE WAS REDUCED TO 93 PERCENT WITH MGT OF 650 DEGREES. CLIMB SPEED WAS 500 FPM, AIRCRAFT WAS RETURNED TO BASE. THE MECHANIC TROUJun 25, 2003 · N507AL · Bell 407SDR BAQA087769Transmitter · reads lowTORQUE TRANSMITTER READS LOW. REMOVED FROM ENGINE 12051 REPLACED WITH SERVICEABLE UNIT.Jun 25, 2003 · N199SM · Aerosp SA365NSDR BAQA087887Transmitter · fluctuatesTORQUE FLUCTUATES. REMOVED FROM ENGINE NR 12051. REPLACED WITH SERVICEABLE UNIT.Jun 24, 2003 · N199SM · Aerosp SA365NSDR GLBA2003084Indicator · stuckRIGHT TORQUE INDICATOR STUCK AT 300 LBS. SWAPPED IND SIDE TO SIDE FOR TROUBLESHOOTING PURPOSES, OPS CK GOOD ON GROUND RUN.Jun 16, 2003 · N184GL · Beech 1900DSDR HEEA086981Transmitter · erraticTORQUE TRANSMITTER MALFUNCTIONED, PRESSURE FLUCTUATES ERRATICALLY. TO BE SENT TO MFG FOR CREDIT.Jun 3, 2003 · N407PH · Bell 407SDR HEEA086980Transmitter · out of adjustTORQUE TRANSMITTER OUT OF LIMITS. SENT TO MFG FOR CREDIT.Jun 3, 2003 · N492PH · Bell 407SDR GLBA2003074Indicator · stuckLEFT TORQUE GAUGE STICKS AT 500 LBS. REMOVED AND REPLACED TORQUE INDICATOR.Jun 2, 2003 · N118GL · Beech 1900DSDR ASOA03238Probe · inoperativeDURING APPROACH INTO ATL FROM LEX, THE CREW RECEIVED A TORQUE FLUX INDICATION ON THE LT ENGINE EXCEEDING LIMITS FROM THIRTY PERCENT TO PAST THE RED LINE. QRH PROCEDURES WERE COMPLIED WITH AND THE CREW REDUCED LT ENGINE SPEED TO FLIGHT IDLE AT APPROXIMATELY 1,May 30, 2003 · N531AS · Aerosp ATR72212SDR RAIA00305149Connector · dirtyENGINE NR 1 TORQUE INDICATION ERRATIC. MAINTENANCE CLEANED CONNECTOR ON NR 1 ENGINE TORQUE RING.May 21, 2003 · N572HK · Jetair JETSTM4101SDR BAQA086472Transducer · malfunctionedNR 1 TORQUE INDICATOR FLUCTUATES 20 TO 40 PERCENT. REPLACED WITH SERVICEABLE UNIT. ORDERED TO REPLACE STOCK. 5/21/03May 21, 2003 · N955ME · Bolkms BK117A1SDR CA030414003Torque Sensor · malfunctioned(CAN) TORQUE SPLIT IN FLIGHT. INCREASE TO APPROX 160 FT/LBS GREATER ON LT SIDE. ON RUN UP LOST TORQUE INDICATION COMPLETLY ON RT ENGINE. TROUBLESHOOTING: INSTALL TEST GAUGE BETWEEN TORQUE SENSOR AND TORQUE TRANSDUCER. ONLY GET APP 15 PSIOUT OF UNIT. SHOULD BE Apr 14, 2003 · Beech B100SDR CA030403002Limiter · malfunctioned(CAN) DURING TROUBLESHOOTING FOR A 2-3 LB. FLUCTUATION IN TQ.AND NP. AND NG., IT WAS DEEMED THAT THE FCU WAS AT FAULT AND REPLACED. RUN UP PARAMETERS APPEARED TO BE NORMAL & A TEST FLIGHT WAS INITIATED. AFTER APPX. 10 MIN IN CRUISE & MULTIPLE POWER LEVER MOVEMMar 31, 2003 · Pilats PC1245SDR KPVA200313Signal Cond Unit · malfunctionedHNL - FLT 1550 - DURING AND AFTER TAKEOFF, AUTO FEATHER DE-SELECTED BUT ARM LIGHT STILL ILLUMINATED. WHEN POWER REDUCED BELOW 80 PERCENT ARM LIGHT OUT, ABOVE 80 PERCENT ARMED LIGHT ON AGAIN. REMOVED AND REPLACED NR 1 ENGINE TORQUE SIGNAL CONDITION UNIT IAW PMar 7, 2003 · N805WP · Dhav DHC8103SDR SIMA200305016Tab · brokenDFW - FLT 3635 - DURING CLIMB-OUT OF DFW, AFTER GEAR WAS SELECTED UP LEFT ENGINE TORQUE INDICATION WENT TO ZERO. ENGINE SHUTDOWN AN EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE LOCKING TAB ON THE LEFT ENGINE PCU Feb 19, 2003 · N902AE · Saab 340BSDR BMAC03005SSignal Cond Unit · malfunctionedFLT 3157 - BWI - PILOT REPORTED AT 12,000 FT WITH POWER LEVERS AGAINST STOPS COULD ONLY GET 80 PERCENT TORQUE AND 630 EGT POWER LEVER AGAINST STOPS, SRL AND TTL ON, ENGINE ANTI-ICE ON. PILOT PERFORMED AIR TURN BACK TO BWI. THE MECHANIC PLACED BOTH LEFT AND RFeb 15, 2003 · N538PA · Bag JETSTM3101SDR HEEA084338Indicator · malfunctionedENGINE TORQUE INDICATOR INDICATED TORQUE EXCEEDENCE.Feb 11, 2003 · N722PH · Bell 407SDR HEEA084337Indicator · failedENGINE TORQUE INDICATOR WENT TO ZERO IN CRUISE FLIGHT.Feb 11, 2003 · N447PH · Bell 407SDR HEEA084336Indicator · erraticENGINE TORQUE INDICATOR HAS ERRATIC OPERATION.Feb 11, 2003 · N407PH · Bell 407SDR 197021003Transducer · failedTORQUE INDICATION SHOWS ZERO TORQUE AT IDLE.Feb 10, 2003 · N613NA · Pilats PC1245SDR CA030207007Indicator · failed(CAN) AIRCRAFT TAXIED FOR TAKEOFF AND AT APPROX 45 KNOTSTHE CAPTAIN NOTICED THAT THE R/H TORQUE GAUGE WAS NOT RISING. THEY ABORTED TAKEOFF AND RETURNED TO GATE TO DEPLANE PASSENGERS. MAINTENANCE REPLACED THE R/H TORQUE GAUGE AND GROUND TESTED SYSTEM SERVICABLEFeb 6, 2003 · Beech 1900DSDR 0302051Torque Sensor · cokedAFTER TAKE-OFF, ON CLIMB, THE CREW NOTICED A +/- 40 PERCENT TORQUE SURGE ON THE LT ENGINE TORQUE GAUGE. ALONG WITH THE TORQUE INDICATION THEY FELT THE SURGE OF THE LT ENGINE. THE CREW DID NOT NOTICE ANY OTHER ABNORMAL ENGINE INDICATIONS. AIRCRAFT RETURNED TOFeb 5, 2003 · N146SD · Saab SF340ASDR SWIA200311765Indicator · malfunctionedON DEPARTURE FROM SLC, WHEN CLIMB POWER WAS SET 84 PERCENT TORQUE THE RIGHT TORQUE GUAGE FLUCTUATED, BOTH ANALOG AND DIGITAL. ALL OTHER ENGINE PARAMETER STAYED STABILIZED. FLUCTUATIONS WERE FROM 84 PERCENT TO APPROXIMATELY 50 PERCENT. REMOVED AND REPLACED RJan 28, 2003 · N186SW · Emb EMB120ERSDR VY1L103201Torquemeter · leakingTORQUEMETER TRANSMITTER LEAKS.Jan 27, 2003 · N911KR · Snias AS350BASDR BAQA083516Indicator · malfunctionedTORQUE NEEDLE SPINS. REPLACED WITH SERVICEABLE INDICATOR.Jan 16, 2003 · N955ME · Bolkms BK117A1SDR HEEA083743Transmitter · malfunctionedDROPS TO ZERO OR PEGS OUT INTERMITTENTLY IN CRUISE FLIGHT.Jan 15, 2003 · N492PH · Bell 407SDR GLBA2003007Indicator · stuckABORTED TAKEOFF, LT TORQUE GAUGE STUCK AT 750 LBS. REMOVED AND REPLACED TORQUE IND.Jan 14, 2003 · N96UX · Beech 1900DSDR HEEA083553Control Unit · malfunctionedNR 2 ENGINE TORQUE WENT 30 PERCENT LOW, N2 AND ITT ALSO DECREASED. MAINTENANCE REPLACED TORQUE CONTROL UNIT.Jan 13, 2003 · N3911L · Bell 412SDR BAQA082914Indicator · malfunctionedDUAL TORQUE INDICATOR NR 1 NEEDLE DROPS. REPLACED WITH SERVICEABLE UNIT.Jan 10, 2003 · N135ME · Urocop EC135P1SDR HEEA083466Sensor · unreliableTORQUE SENSOR GIVES UNRELIABLE INDICATIONS (SPIKES OVER 140 PERCENT).Jan 9, 2003 · N3116L · Bell 206L3SDR HEEA083269Torquemeter · fluctuatesTORQUEMETER NEEDLE FLUCTUATES IN FLIGHT. REPAIRED.Jan 8, 2003 · N31077 · Bell 206L3SDR HEEA083268Torquemeter · malfunctionedTORQUEMETER ERRONEOUS READINGS. REPAIRED.Jan 8, 2003 · N31077 · Bell 206L3SDR HEEA083267Torquemeter · stickingTORQUEMETER STICKING IN HIGH RANGE. REPAIRED.Jan 8, 2003 · N31077 · Bell 206L3SDR HEEA083266Torquemeter · brokenTORQUEMETER BROKEN. REPAIRED.Jan 8, 2003 · N6251X · Bell 206L3SDR HEEA083265Torquemeter · unreliableTORQUE METER PRODUCING UNRELIABLE READINGS. REPAIRED.Jan 8, 2003 · N31077 · Bell 206L3SDR HEEA083204Tach Generator · failedN1 INDICATOR WENT TO ZERO IN FLIGHT.Jan 8, 2003 · N6251Y · Bell 206L3SDR AUS20030001Sensor · failed(AUS) RT ENGINE TORQUE INDICATOR TAPE CONTINUED TO INCREASE ABOVE THE EEC SETTING DURING TAKEOFF. THE EEC AND MFC WIRING WAS CHECKED AND CLEANED, TORQUE GAUGES WERE SWAPPED AND THE ENGINE RATING PANEL REPLACED. SEVERAL FLIGHTS LATER THE RT TORQUE WAS REPORTED Jan 1, 2003 · Fokker F27MK50SDR SWIA200211664Connector · looseON TAKEOFF RECEIVED AN AUTOFEATHER WARNING. ABORTED THE TAKEOFF AND RETURNED TO THE GATE. FOUND CONNECTOR ON LT ENGINE TORQUE SIGNAL CONDITIONER LOOSE. RE-TIGHTENED, RAN AND OPS CHECKS GOOD.Dec 31, 2002 · N212SW · Emb EMB120ERSDR BAQA082725Sensor · inaccuratePILOTS REPORTED TORQUE SPLITS. REPLACED WITH SERVICEABLE TORQUE SENSOR.Dec 30, 2002 · N117CJ · Bolkms BK117A4SDR HEEA082864Indicator · malfunctionedTORQUE GAUGES SPINS ON POWER UP AND IS INTERMITTENT IN OPERATION. TO BE SENT TO VENDOR.Dec 23, 2002 · N975AE · Aerosp AS355*SDR QXEA0202231Tscu · malfunctionedPDX ON FLIGHT 2242- ABORTED TAKEOFF DUE TO AUTO FEATHER FAILED TO ARM ON DEPARTURE. REMOVED AND REPLACED NR 1 TSCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Dec 23, 2002 · N365PH · Dhav DHC8202SDR HEEA082822Ecu · failedDURING DECENT FOR LANDING, TORQUE STARTED SPLITTING, BUT WITH NO OTHER INDICATIONS OF ABNORMALITY. WHEN POWER WAS PULLED BACK IN NR 2, TORQUE STAYED AT 50 PERCENT, NR 1 MGT INCREASED TO 780 DEGREES AND N2 TO 96 PERCENT. LANDING WAS ABORTED AND NR 2 TORQUE CADec 19, 2002 · N5748M · Bell 214STSDR ALG2003F00012Transducer · malfunctionedON TAKEOFF, PILOT NOTICED TORQUE EXCEEDED THE LIMIT WITH LOW POWER SETTINGS, HE RETURNED TO FREEPORT. THE MECHANIC CHECK THE ECU WITH MAINTENANCE TERMINAL. NO FAULTS WERE RECORDED, CHANGED THE TORQUE TRANSDUCER AND AIRCRAFT WAS RETURNED TO SERVICE.Dec 15, 2002 · N405AL · Bell 407SDR HEEA082505Indicator · fluctuatesTORQUE INDICATOR FLUCTUATES IN FLIGHT.Dec 13, 2002 · N22342 · Skrsky S76ASDR HEEA082677Indicator · malfunctionedINDICATOR SHOWING NR 1 NG TORQUE FLUCTUATIONS.Dec 11, 2002 · N7170D · Bolkms BO105SSDR HEEA082643Indicator · reads lowDUAL TORQUE INDICATOR READS LOW.Dec 11, 2002 · N5031U · Bolkms BO105SSDR HEEA082642Indicator · stuckDUAL TORQUE INDICATOR NR 1 NEEDLE STICKS. REPLACED WITH SERVICEABLE PART.Dec 11, 2002 · N81832 · Bolkms BO105SSDR GLBA2002187Transmitter · malfunctionedRT N1 & TORQUE FLUCTUATIONS, R&R N1 TACH & TORQUE TRANSMITTERNov 27, 2002 · N204GL · Beech 1900DSDR AUS20021365Sensor · faulty(AUS) RT ENGINE TORQUE SENSOR SUSPECT FAULTY.Nov 26, 2002 · Fokker F27MK50
Back to JASC 7712