JASC 7714

Service difficulty reports · 1,357

Reports filed under 7714 · Engine RPM Indicating System, 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 = '7714'
  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 HEEA0016678Indicator · reads highN1 INDICATOR INSTRUMENT READS HIGH AFTER WARM-UP.Nov 5, 1998 · N136AE · Bolkms BK117B2SDR HEEA0016677Indicator · inoperativeN1 INDICATOR INOPERATIVE.Nov 5, 1998 · N136AE · Bolkms BK117B2SDR RAIA981106Tach Generator · failedFAT - FLT 4746 - RIGHT ENGINE RPM GAUGE FLICKERED AND WENT TO ZERO. MAINTENANCE REPLACED THE TACHOMETER GENERATOR INSERT. (X)Nov 3, 1998 · N862JX · Bag JETSTM3201SDR 99ZZZM79Sensor · failedTEST FLIGHT NR 2 ENGINE, ECU PROBLEM. NR 2 ENGINE SHUTDOWN ON APPROACH. REMOVED AND REPLACED NR 2 ECU AND NH SENSOR. TEST FLOWN SATISFACTORY. (M)Nov 3, 1998 · N97841 · Aerosp ATR42320SDR HEEA0016565Indicator · malfunctionedNR 1 ENGINE INDICATION WILL NOT GO TO 100 PERCENT.Oct 28, 1998 · N142PH · Bell 412SDR HEEA0016564Indicator · stickingNR 1 INDICATION NEEDLE STICKS. ROTOR NEEDLE READS 2 PERCENT LOW.Oct 28, 1998 · N1202T · Bell 412SDR HEEA0016563Indicator · reads highTRIPLE TACHOMETER'S NR 1 NEEDLE READS HIGH AND STICKS.Oct 28, 1998 · N3893P · Bell 412SDR HEEA0016562Indicator · stickingNEEDLES NR 1 AND NR 2 STUCK AND ERRATIC.Oct 28, 1998 · N293CA · Bell 412SDR HEEA0016561Indicator · malfunctionedTRIPLE TACHOMETER HAS NEEDLE SPLIT, JERK MOVEMENT.Oct 28, 1998 · N3893S · Bell 412SDR HEEA0016560Indicator · malfunctionedTRIPLE TACHOMETER HAS SEVERE NEEDLE SPLIT.Oct 28, 1998 · N3893S · Bell 412SDR HEEA0016559Indicator · out of toleranceTRIPLE TACHOMETER INSTRUMENT INDICATES OUT OF TOLERANCE 100 PERCENT.Oct 28, 1998 · N142PH · Bell 412SDR CA981125052Case · cracked(CAN) OUTER CASE OF TACHOMETER/GENERATOR FOUND CRACKED.Oct 26, 1998 · Bell 206BSDR HEEA0016320Indicator · erraticRPM INDICATOR ERRATIC UP TO 30 PERCENT, AND HAS WATER CONTAMINATION.Oct 22, 1998 · N133AE · Bolkms BO105SSDR HEEA0016311Tach · failedGAS GENERATOR TACHOMETER SMOKES WHEN TURNED ON.Oct 22, 1998 · N707AE · Skrsky S76ASDR HEEA0016158Indicator · erraticTRIPLE TACHOMETER ON NR 2 ENGINE ERRATIC.Oct 13, 1998 · N3897N · Bell 214STSDR HEEA0016116Indicator · failedNG INDICATOR WILL NOT SELF-TEST.Oct 5, 1998 · N141MA · Bell 407SDR 99ZZZX911Indicator · failedNR 2 NEEDLE ON TACHOMETER INDICATOR STAYS AT ZERO, NR 1 NEEDLE RUNS 15 PERCENT LOW, AND ROTOR NEEDLE RUNS 4-5 PERCENT HIGH. REMOVED AND REPLACED.Sep 28, 1998 · N527MB · Bolkms BK117A3SDR 98ZZZX3859Tach Generator · failedN1 GAUGE DID NOT COME UP. REPLACED.Sep 23, 1998 · N1097J · Hughes 369DSDR 98ZZZX3857Tach Generator · malfunctionedN1 SLOW TO COME UP ON STARTS. REMOVED AND REPLACED.Sep 22, 1998 · N1097J · Hughes 369DSDR 99ZZZX912Indicator · malfunctionedBACK LIGHT ON LED DISPLAY INOPERATIVE. REMOVED AND REPLACED. REF: RMA NR R016740.Sep 17, 1998 · N317MC · Bolkms BK117C1SDR 98ZZZX3851Indicator · inoperativeINDICATOR UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 16, 1998 · N97LG · Snias AS350B2SDR 98ZZZX3645Indicator · malfunctionedN1 SHOW TO COME UP ON STARTS. REMOVED AND REPLACED.Sep 16, 1998 · N1097J · Hughes 369DSDR COMA9860263Amplifier · malfunctionedRT ENGINE N1 AND ITT FLUCTUATIONS WHICH EXCEED LIMITS. COULD NOT DUPLICATE FLUCTUATIONS DURING GROUND RUN. REPLACED CONTROL AMPLIFIER FOR TROUBLESHOOTING.Sep 13, 1998 · N989CA · Cndair CL6002B19SDR HEEA0016028Indicator · stickingN1 STICKS DURING ENGINE START.Sep 11, 1998 · N142PH · Bell 412SDR 98ZZZX3885Tach Generator · failedTHE LT ENGINE RPM GAUGE FAILED ON RUN-UP. DISCOVERED THE TACHOMETER GENERATOR P/N 22A667 DRIVE SHAFT HAD SHEARED. THE TACHOMETER GENERATOR WAS REPLACED AND AIRPLANE RETURNED TO SERVICE. THE TACHOMETER HAD BEEN OVERHAULED AND PUT BACK INTO SERVICE 3-29-96. TSep 11, 1998 · N5614C · Cessna 414ASDR HEEA0015998Tach Generator · inoperativeTACHOMETER GENERATOR IS INOPERATIVE.Sep 9, 1998 · N8197X · Bolkms BO105SSDR HEEA0015997Indicator · malfunctionedTRIPLE TACHOMETER UNRELIABLE, NEEDLE FLUCTUATES AND READS HIGH.Sep 9, 1998 · N3897N · Bell 214STSDR S2YA98027Tach Gen · malfunctionedFLT 1020 - GRB-MKE - ABORTED TAKEOFF DUE TO DECREASE IN PROPELLER RPM FROM 1700 RPM TO 1400 RPM IN FIVE SECONDS. THE A/C WAS FERRIED BACK TO MKE. MAINTENANCE INSPECTED A/C FOUND RT N2 TACH GENERATOR BAD. REPLACED RT N2 TACH GENERATOR OPS CHECK GOOD. RETURNSep 5, 1998 · N841SK · Beech 1900DSDR AU981163Sensor · failed(AUS) NR 1 ENGINE OVERSPEED SENSOR FAULTY. PART TC: 900.Sep 4, 1998 · Skrsky S76ASDR 98ZZZX3861Tachometer · erraticTACH ERRATIC, UNRELIABLE CORE RETURN.Aug 31, 1998 · N58AG · Bell OH58ASDR 98ZZZX3656Tach Generator · wornSHAFT WORN OUT. SENT FOR REPAIR.Aug 31, 1998 · N90322 · Bell 206B3SDR HEEA0015936Indicator · inoperativeTACHOMETER INDICATOR INOPERATIVE.Aug 28, 1998 · N6957Y · Bell 214STSDR HEEA0015910Indicator · malfunctionedGAUGE STICKS BETWEEN 0-15 PERCENT AND FLUCTUATES.Aug 28, 1998 · N50046 · Bell 206L1SDR HEEA0015862Indicator · inoperativeNR 2 ENGINE N2 NEEDLE INOPERATIVE AND OTHERS ARE RISING.Aug 27, 1998 · N2148K · Bell 412SDR 99ZZZX906Indicator · malfunctionedTACHOMETER'S NR 1 AND NR 2 NEEDLE SPLIT 2 PERCENT. REMOVED AND REPLACED.Aug 26, 1998 · N170MC · Bolkms BK117B1SDR HEEA0015754Indicator · malfunctionedNR 1 AND NR 2 NEEDLES OSCILLATE. TIME SINCE REPAIR 239:45 HOURS.Aug 25, 1998 · N5759N · Bell 412SDR 99ZZZX907Indicator · malfunctionedNG INDICATOR INTERMITTENT. WORKS FOR SOME TIME, THEN SPINS OUT OF CONTROL. REMOVED AND REPLACED.Aug 21, 1998 · N117MH · Bolkms BK117A3SDR HEEA0015686Transmitter · malfunctionedTACHOMETER TRANSMITTER INTERMITTENT.Aug 19, 1998 · N40466 · Snias AS350B2SDR HEEA0015643Indicator · reads lowTRIPLE TACHOMETER'S NR 1 NEEDLE READS LOW AND SPLITS. TIME SINCE REPAIR 95:25 HOURS.Aug 17, 1998 · N7128R · Bell 412SDR HEEA0015628Indicator · inoperativeNR 1 NEEDLE INOPERATIVE ON INDICATOR. TIME SINCE REPAIR 417:30 HOURS.Aug 17, 1998 · N2149S · Bell 412SDR 99ZZZX1270Tach Generator · brokenSHAFT BROKEN. REMOVED AND REPLACED.Aug 16, 1998 · N911LF · Bolkms BO105SSDR HEEA0015595Indicator · fluctuatesTACHOMETER NEEDLE FLUCTUATES AND DROPS OFF.Aug 14, 1998 · N6160Z · Bell 206L3SDR HEEA0015543Indicator · stickingTACHOMETER STICKS AT LOW RPM EXCESSIVE FRICTION ERROR.Aug 14, 1998 · N5421E · Bolkms BO105SSDR 98ZZZM806Indicator · failedSJU-POS - DURING WET T/O, THE RT ENG PRODUCED 80 PERCENT TQ AND THE T/O WAS ABORTED. WHEN ENG WAS RAN DRY, IT PRODUCED CHARTED TQ AND THE CAWI SYSTEM WAS DEFERRED. ON THE ENSUING DRY TAKEOFF, THE RT ENG PRODUCED 74 PERCENT TQ AND T/O WAS ABORTED. MX ADJUSTEAug 11, 1998 · N2691W · Swrngn SA227ACSDR HEEA0015482Indicator · stickingINDICATOR STICKS AT LOW RPM.Jul 30, 1998 · N5421E · Bolkms BO105SSDR HEEA0015471Indicator · failedDUAL TACHOMETER TURBINE NEEDLE INTERMITTENTLY FALLS OFF.Jul 30, 1998 · N205FC · Bell 206L3SDR HEEA0015390Indicator · stuckGAUGE STICKING AT ZERO ON N1 INDICATOR WHEN POWER SHUT OFF.Jul 29, 1998 · N911TL · Bolkms BK117B1SDR HEEA0015384Indicator · inoperativeNEEDLES NOT MOVING, NO INDICATION ON RPM INDICATOR.Jul 29, 1998 · N5421E · Bolkms BO105SSDR HEEA0015347Indicator · malfunctionedNR 2 N2 NEEDLE ON TRIPLE TACHOMETER FLUCTUATING AT 100 PERCENT.Jul 29, 1998 · N911TL · Bolkms BK117B1SDR HEEA0015332Indicator · stuckNR 1 NEEDLE STICKS ON TRIPLE TACHOMETER.Jul 29, 1998 · N7128R · Bell 412
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