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 HEEA0016603Indicator · malfunctionedTORQUE INDICATOR'S DIGITAL DISPLAY HAS CONTINUOUS ROTATION AND ERRATIC NUMBERS.Oct 31, 1998 · N408PH · Bell 407SDR 99ZZZX1272Indicator · sticksNR 1 NEEDLE HANGS UP. RMA NR R017687. REMOVED AND REPLACED.Oct 31, 1998 · N911SV · Bolkms BO105LSA3SDR RAIA981029Connector · failedFLT 7663 - JFK - LEFT ENGINE SHUTDOWN IN FLIGHT. MAINTENANCE REPLACED LEFT ENGINE TORQUE RING CANNON PLUG. (M)Oct 29, 1998 · N562HK · Jetair JETSTM4101SDR HEEA0016569Transmitter · reads lowTORQUE TRANSMITTER INDICATES LOW POWER.Oct 28, 1998 · N1202T · Bell 412SDR HEEA0016568Transmitter · stickingTORQUE TRANSMITTER STICKING.Oct 28, 1998 · N3893L · Bell 412SDR HEEA0016498Indicator · stickingN1 INDICATOR HAS STICKING NEEDLES.Oct 27, 1998 · N142PH · Bell 412SDR HEEA0016406Indicator · stickingN1 NEEDLE ERRATIC AND STICKS.Oct 23, 1998 · N5736J · Bell 212SDR HEEA0016361Transmitter · reads highTRANSMITER READS HIGH WITH NO PRESSURE APPLIED.Oct 23, 1998 · N6957Y · Bell 214STSDR 99ZZZX1253Indicator · inoperativeNR 2 N2 NEEDLE INOPERATIVE. REMOVED AND REPLACED.Oct 23, 1998 · N117CH · Bolkms BK117A3SDR VTZA98320Signal · failedFLT 6582 - IAD-GSO - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE EGT FLUCTUATION. AIRCRAFT LANDED AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED SIGNAL CONDITIONER, OPS CHECK OK. AIRCRAOct 22, 1998 · N473UE · Bag JETSTM3101SDR HEEA0016287Indicator · inoperativeDUAL TORQUE INDICATOR INOPERATIVE.Oct 22, 1998 · N1547D · Skrsky S76ASDR RAIA981011Tscu · failedFLT 7436 - STL - RIGHT ENGINE TTL CAUSING FUEL TO BYPASS. MAINTENANCE RECALIBRATED TORQUE SIGNAL CONDITIONER. (M)Oct 16, 1998 · N426AM · Bag JETSTM3201SDR 99ZZZX1257Indicator · inaccurateINDICATOR HAS INTERMITTENT TORQUE SPLITS. AIRCRAFT HAD 920.5 HOURS WHEN PROBLEM STARTED. REMOVED AND REPLACED.Oct 7, 1998 · N117NC · Bolkms BK117C1SDR RAIA981004Torque Ring · failedFLT 7394 - STL - RIGHT ENGINE BYPASSING FUEL WITH TTL ON. MAINTENANCE REPLACED TORQUE RING IN GEAR BOX. (M)Oct 2, 1998 · N427AM · Bag JETSTM3201SDR 98ZZZX3998Transmitter · failedON TAKEOFF, NR 2 ENGINE TORQUE DROPPED WITH A CONTINUING RISE IN ENGINE TEMPERATURE. PILOT RETARDED NR 2 ENGINE AND MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUND DEFECTIVE NR 2 ENGINE TORQUE TRANSMITTER. REF: ALLISON C-30 IPC, CHAPTER 73-32-00, FIG 1-18.Oct 1, 1998 · N5426U · Skrsky S76SDR HEEA0016083Indicator · stickingCOCKPIT INDICATOR STICKING.Sep 25, 1998 · N60951 · Snias AS350B2SDR 99ZZZX903Indicator · sticksNR 1 TORQUE NEEDLE STICKS. REMOVED AND REPLACED. REF: RMA NR R016965.Sep 17, 1998 · N317MC · Bolkms BK117C1SDR 98ZZZX4033Torque Ring · failedDURING TAKEOFF POWER-UP, TORQUE INDICATION DROPPED TO ZERO.Sep 17, 1998SDR 98ZZZX3635Indicator · failedNR 2 TRIPLE TORQUE CIRCUIT BREAKER TRIPS WHEN POWER APPLIED. SAME PROBLEM IN DIFFERENT INSTALLATIONS. REMOVED AND REPLACED.Sep 9, 1998 · N8530B · Bell 212SDR RAIA980905Warning Light · illuminatedFLT 7072 - JLN - RIGHT SRL CAPTION ILLUMINATED ON TAKEOFF ROLL. MIANTENANCE DEFERRED RIGHT SRL PER MEL 76-1 CATEGORY C. (M)Sep 7, 1998 · N429AM · Bag JETSTM3201SDR HEEA0015984Indicator · wornCOCKPIT INDICATOR HAS BEARING WEAR.Sep 4, 1998 · N4000L · Snias AS350B2SDR 98ZZZM786Signal Cond · failedAIRCRAFT RETURNED TO FIELD, DUE TO ERRATIC TORQUE AND EGT FLUCTUATION ON LEFT ENGINE. THE BRIDGES WERE SWAPPED ON THE TORQUE SIGNAL AND CONDITIONER. THE SIGNAL CONDITIONER WAS ADJUSTED. A FUNCTIONAL CHECK OF THE SYSTEM WAS PERFORMED WITH ALL INDICATIONS NORSep 3, 1998 · N844JS · Bag JETSTM3101SDR UF6A980813Torque Sensor · failedORD - FLT 5742 - NR 1 ENGINE CONTROL FROZEN ON TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED NR 2 TORQUE SENSOR ON NR 1 ENGINE. SYSTEM OPS CHECKED GOOD. (M)Aug 29, 1998 · N858AW · Bag ATPSDR HEEA0015901Indicator · failedNR 2 NEEDLE ON TORQUE INDICATOR WILL NOT OPERATE AT ALL TIMES.Aug 28, 1998 · N22347 · Bell 412SDR HEEA0015865Torquemeter · malfunctionedTORQUEMETER STICKS AND FLUCTUATES.Aug 27, 1998 · N6610Y · Bell 206L3SDR 99ZZZX1260Indicator · malfunctionedINDICATOR HAS EXCESSIVE TORQUE SPLITS. REF: RMA NR R017301. REMOVED AND REPLACED.Aug 27, 1998 · N317MC · Bolkms BK117C1SDR HEEA0015705Indicator · failedTORQUEMETER STAYS ON ZERO. TIME SINCE LAST REPAIR 17:00 HOURS.Aug 19, 1998 · N141MA · Bell 407SDR HEEA0015563Torquemeter · stickingTORQUE NEEDLE STICKS AT 14 PERCENT WHEN DECREASING PRESSURE.Aug 14, 1998 · N206FS · Bell 206L3SDR HEEA0015492Indicator · intermittentTORQUE INDICATOR INTERMITTENTLY INDICATING ZERO, LCD TEST GOOD, INDICATOR CAN SOMETIMES BE RESTROYED BY REMOVING AND RE-APPLYING POWER.Aug 13, 1998 · N403PH · Bell 407SDR HEEA0015490Indicator · failedAT LEAST HALF OF TORQUE INDICATOR LED LIGHTS BLINK OFF DURING FLIGHT.Aug 13, 1998 · N57416 · Bell 407SDR 98ZZZM619Indicator · failedRIGHT TORQUE GAUGE INOP. GAUGE FAILURE. REPLACED RT TORQUE GAUGE. (M)Aug 11, 1998 · N836CA · Beech 1900DSDR SWIA971233Torque Sensor · failedRIGHT TORQUE GAUGE FAILED SHORTLY AFTER TAKEOFF. ENGINE FEATHERED BUT UNFEATHERED ON ITS OWN. REMOVED AND REPLACED RIGHT ENGINE TORQUE SENSOR. RAN ENGINE FOR 20 MINUTES AT VARIOUS POWER SETTINGS AND TORQUE INDICATION NORMAL WITH NO LEAKS NOTED.Aug 9, 1998 · N294SW · Emb EMB120ERSDR VNAA9807014Sensor · failedAN ECU FAIL WARNING MESSAGE ILLUMINATED DURING CLIMB. THE CREW ATTEMPTED A RESET OF THE ECU. THE ATTEMPT FAILED AND THE AIRCRAFT RETURNED TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE 1.8 SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-02.Jul 31, 1998 · N426JS · Dorner DO328100SDR HEEA0015483Indicator · stickingNR 1 NEEDLE ON TORQUE INDICATOR STICKS AT 30 PERCENT.Jul 30, 1998 · N142PH · Bell 412SDR HEEA0015472Torquemeter · failedTORQUE METER NEEDLE STICKS AROUND 40 PERCENT THROUGH UPPER RANGE.Jul 30, 1998 · N2249Z · Bell 206L1SDR RAIA980725Sensor · failedFLT 7094 - STL - LEFT ENGINE TORQUE DROPPED TO 60 PERCENT ON CLIMB. MAINTENANCE INSPECTED AND REPLACED LEFT ENGINE T2 SENSOR. (M)Jul 29, 1998 · N341TE · Bag JETSTM3201SDR VTZA98247Torque Bridges · failedFLT 6205 - IAD-MHT - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT ENGINE TORQUE FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND SWAPPED TORQUE BRIDGES. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPRJul 23, 1998 · N307UE · Jetair JETSTM4101SDR VTZA98246Torque Bridge · failedFLT 6503 - LGA-IAD - DURING LANDING, EXPERIENCED A LT ENGINE TQ FLUCTUATION. A/C DECLARED AN EMERGENCY AND MADE AN UNEVENTFUL LANDING AT IAD. MX CONTROL DISPATCHED. MX TO THE AIRCRAFT WHERE THE MX PERSONNEL FOUND A DISCREPANCY WITH THE LT ENGINE NR 1 TORQUEJul 23, 1998 · N332UE · Jetair JETSTM4101SDR SABA290037Connector · looseLEX/CLT - FLT 5167 - PILOT REPORTED LT ENGINE TORQUE FLUX ALONG WITH EGT AND RPM. NO IN-FLIGHT EMERGENCY WAS DECLARED. AIRCRAFT LANDED AT CLT WITH NO OTHER PROBLEMS. MAINTENANCE FOUND A LOOSE CANNON PLUG ON THE LEFT TORQUE SIGNAL BRIDGE. TORQUE SIGNAL BRIDJul 21, 1998 · N962AE · Bag JETSTM3201SDR SABA290036Sensor · failedLEX/CLT - FLT 5201 - PILOT REPORTED LT TORQUE FLUX 30 TO 40 PERCENT AT 6,000 FEET AND BELOW TORQUE SEEMED OK. AIRCRAFT LANDED AT CHARLOTTE WITH NO PROBLEMS. NO IN-FLIGHT EMERGENCY DECLARED. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE P-2 SENSOR. SYSTEMJul 20, 1998 · N962AE · Bag JETSTM3201SDR HEEA0015141Indicator · failedINDICATOR CANNOT MATCH TORQUES ON ENGINE.Jul 1, 1998 · N59805 · Bell 214STSDR VNAA9806016Sensor · failedTHE LEFT HAND ENGINE TORQUE INDICATION FAILED, DURING THE TAXI FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND ENGINE TORQUE PROBE SENSOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 71-01-00. OPERATIONAL CJun 28, 1998 · N437JS · Dorner DO328100SDR HEEA0014936Transmitter · fluctuatesTORQUE GAUGE FLUCTUATION.Jun 22, 1998 · N4000L · Snias AS350B2SDR HEEA0014920Indicator · stickingNEEDLE STICKING ON TORQUE INDICATOR.Jun 22, 1998 · Bell 212SDR HEEA0014919Indicator · stickingNR 1 AND NR 2 TORQUE NEEDLE STICKING AT 70 PERCENT.Jun 22, 1998 · Bell 212SDR HEEA0014858Indicator · stickingTORQUE NEEDLE ON INDICATOR STICKS AND READS LOW.Jun 22, 1998 · N3208H · Bell 212SDR HEEA0014857Indicator · stickingTORQUE INDICATOR NEEDLE STICKS AND FLUCTUATES.Jun 22, 1998 · N3208H · Bell 212SDR MALA976151Torque Gauge · failedLEFT TORQUE GAUGE FAILED ON CLIMBOUT. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED LEFT TORQUE GAUGE. OPS AND RUN CHECKS GOOD.Jun 21, 1998 · N830MA · Dhav DHC8102SDR HEEA0014744Torquemeter · stickingTORQUE NEEDLE STICKS THROUGHOUT; DOES NOT RETURN TO ZERO.Jun 11, 1998 · Bell 206L1SDR HEEA0014740Gauge · stickingENGINE TORQUE GAUGE HAS FLUID ON FACE, NEEDLE STICKS AT 100 PERCENT.Jun 11, 1998 · N3181Y · Bell 206B3
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