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 HEEA0013423Indicator · sticksNR 1 NEEDLE STICKS AND INDICATES LOW OUT OF TOLERANCE.Mar 18, 1998 · N2014K · Bell 412SDR HEEA0013409Panel Asy · failedENGINE RPM WORKS INTERMITTENTLY.Mar 18, 1998 · N59806 · Bell 214STSDR HEEA0013403Indicator · stickingINDICATOR IS STICKING.Mar 18, 1998 · N2261D · Bell 412SDR HEEA0013351Tach-Generator · malfunctionFROM STOCK, INSTALLED IN AIRCRAFT DURING GROUND RUN, HAD NO NEEDLE INDICATION ON TRIPLE TACH INDICATOR. INSPECTED AND TESTED BY ACCESSORY OVERHAUL SHOP AND COULD NOT FIND ANY PROBLEM WITH TACH GENERATOR, IT TESTED OK AND WAS RETURNED TO SERVICE.Mar 17, 1998 · N5421E · Bolkms BO105SSDR RAIA980307Tach Generator · failedFLT 7332 - STL - LEFT ENGINE RPM WENT TO ZERO IN FLIGHT. MAINTENANCE REPLACED LEFT ENGINE TACH GENERATOR. (M)Mar 8, 1998 · N432AM · Bag JETSTM3201SDR HEEA0013309Indicator · defectiveNR2 NEEDLE 2% ABOVE OTHER NEEDLES.Mar 5, 1998 · N3897N · Bell 214STSDR HEEA0013307Indicator · failedRPM NEEDLE STUCK AT ZERO.Mar 5, 1998 · N59806 · Bell 214STSDR HEEA0013300Indicator · defectiveTRIPLE TACH READS 1% LOW.Mar 5, 1998 · N1202T · Bell 412SDR HEEA0013299Indicator · failedNR1 NEEDLE LAGS AND NR2 NEEDLE OFF MORE THAN 2%.Mar 5, 1998 · N3893L · Bell 412SDR HEEA0013297Indicator · defectiveTRIPLE TACH ALL NEEDLES HAVE STICKY OPERATION.Mar 5, 1998 · N8197X · Bolkms BO105SSDR HEEA0013282Indicator · hangsSINGLE RPM NEEDLE HANGS 10% WHEN MOTORING ENGINE.Mar 4, 1998 · N86CH · Bolkms BO105SSDR HEEA0013245Indicator · sticksENG N1 NEEDLE HAS STICKY OPERATION THROUGHOUT SCALE.Mar 4, 1998 · N3911L · Bell 412SDR HEEA0013217Generator · malfunctionTACH GENERATOR INTERMITTENT LIGHT.Mar 4, 1998 · N7128R · Bell 412SDR HEEA0013216Tach Generator · failedTACH GENERATOR INOPERATIVE.Mar 4, 1998 · N21498 · Bell 412SDR VTZA98106Tach Generator · failedFLT 6480 - GSO-IAD - ABORTED TAKEOFF DUE TO LEFT ENGINE RPM FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TACH GENERATOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)Mar 3, 1998 · N471UE · Bag JETSTM3201SDR 98ZZZX3376Pickup · failedPICKUP REJECTED PER SB 0163 (IMPROPER MARKINGS AND POSSIBLE REVERSE POLARITY). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 28, 1998 · N528SF · Bolkms BK117A3SDR 98ZZZX3375Pickup · failedPICKUP REJECTED PER SB 0163 (IMPROPER MARKINGS AND POSSIBLE REVERSE POLARITY). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 28, 1998 · N528SF · Bolkms BK117A3SDR CA980318012Shaft · sheared(CAN) TACH GENERATOR SHAFT SHEARED.Feb 17, 1998 · Swrngn SA227ACSDR HEEA0012997Dual Tach · failedDUAL TACH STAYS ON ZERO ON START UP.Feb 10, 1998 · Bell 407SDR HEEA0012951Indicator · stickingSINGLE RPM INDICATOR STICKING.Feb 10, 1998 · N911EB · Bolkms BO105SSDR HEEA0012948Indicator · failedTRIPLE TACH WENT TO ZERO THEN TO 104 AND STAYED DURING CRUISE FLIGHT.Feb 10, 1998 · N4302G · Bolkms BO105SSDR HEEA0012931Indicator · erraticTRIPLE TACH INDICATOR ALL NEEDLES ARE ERRATIC.Feb 10, 1998 · N21498 · Bell 412SDR HEEA0012922Indicator · sticksTRIPLE TACH INDICATOR NEEDLE STICKS.Feb 10, 1998 · N33008 · Bell 412SDR 98ZZZX1836Pickup · malfunctionedSPEED PICKUP UNIT CAUSES N1 GAUGE TO FLUCTUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 7, 1998 · N17SJ · Bolkms BK117B1SDR 98ZZZX1835Pickup · malfunctionedSPEED PICKUP UNIT CAUSES N1 GAUGE TO FLUCTUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 7, 1998 · N17SJ · Bolkms BK117B1SDR HEEA0012867Indicator · failedTRIPLE INDICATOR ROTOR NEEDLE READS HIGH. UNIT OUT OF TOLERANCE.Feb 6, 1998 · N724MB · Bolkms BO105SSDR HEEA0012852Detector · failedNR1 GAUGE INOPERATIVE. NR1 ENGINE OUT LIGHT FLICKERS.Feb 6, 1998 · N3897N · Bell 214STSDR HEEA0012822Tach · inoperativeGAS GEN TACH NEEDLE AND DIGITS INOPERATIVE.Feb 5, 1998 · N1546K · Skrsky S76ASDR 98ZZZX815Gauge · failedN1 WILL NOT GO PAST 13 PERCENT ON START AND SMALL NEEDLE DOES NOT CORRELATE WITH OUTSIDE SCALE NEEDLE.Feb 5, 1998 · N9907K · Bell 206BSDR RAIA980202Tach Generator · failedFLT 7336 - STL - LEFT ENGINE RPM WENT TO ZERO DURING CLIMB. MAINTENANCE REPLACED LEFT ENGINE TACH GENERATOR. (M)Feb 3, 1998 · N428AM · Bag JETSTM3201SDR REXA98039Tach Generator · inopON CLIMB-OUT, RIGHT RPM WENT TO ZERO AND BACK TO 100 PERCENT NUMEROUS TIMES. REMOVED AND REPLACED RIGHT TACH GENERATOR. OPS CHECK GOOD. (M)Jan 29, 1998 · N305PX · Bag JETSTM3101SDR WTAA980015Tach Generator · failedOXR - LEFT ENGINE RPM INDICATION DROPPED TO ZERO ON TAKEOFF ROLL. TAKEOFF ABORTED. AIRCRAFT FERRIED TO LAX FOR REPAIRS. MAINTENANCE REPLACED LEFT ENGINE TACH GENERATOR. OPERATIONAL CHECK OF LEFT RPM GAUGE SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)Jan 26, 1998 · N418UE · Bag JETSTM3101SDR HEEA0012692Indicator · sticksNR2 NEEDLE INTERMITTENTLY STICKS ON LOW END.Jan 26, 1998 · N3537T · Bolkms BO105SSDR HEEA0012691Indicator · failedNR1 AND NR2 NEEDLES HAVE EXCESSIVE SPLIT.Jan 26, 1998 · N205UC · Bolkms BO105SSDR HEEA0012651Indicator · failedINDICATOR STICKING AND EXCESSIVE FRICTION ERROR.Jan 26, 1998 · N406EH · Bell 206L1SDR HEEA0012644Indicator · intermittentTACH INDICATOR INTERMITTENT OPERATION.Jan 26, 1998 · N911FL · Bolkms BO105SSDR HEEA0012642Indicator · defectiveTRIPLE TACH INDICATOR SPLIT AND EXCESSIVE FRICTION ERROR.Jan 26, 1998 · N1202T · Bell 412SDR HEEA0012638Indicator · fluctuatesNR2 NEEDLE WILL FLUCTUATE INTERMITTENTLY.Jan 26, 1998 · N911RZ · Bolkms BK117A4SDR HEEA0012603Indicator · fluctuatesENG TACH INDICATOR FLUCTUATES.Jan 22, 1998 · N350BZ · Snias AS350B2SDR CA980317082Tachometer · failed(CAN) ROTOR RPM WAS READING LOW BY 30-40% AT GROUND IDLE. TROUBLESHOOTING INDICATED GAUGE FAILURE.Jan 18, 1998 · Hughes 369DSDR 98ZZZX462Tach Generator · defectivePHASING OF ENGINE OUT-SWITCHING ON N1 NOT OPERATING PROPERLY.Jan 13, 1998 · N369AW · Hughes 369DSDR HEEA0012540Indicator · defectiveTRIPLE TACH INDICATOR HAS LOOSE PARTS INSIDE.Jan 6, 1998 · N3893P · Bell 412SDR HEEA0012492Indicator · erraticGAS PRODUCER NEEDLE HAS ERRATIC OPERATION.Jan 6, 1998 · N31073 · Bell 206L3SDR HEEA0012466Indicator · inoperativeNR1 TRIPLE TACH INDICATOR NEEDLE INOPERATIVE.Jan 6, 1998 · N3893S · Bell 412SDR HEEA0012458Indicator · failedGAS PRODUCER INDICATOR NEEDLES OSCILLATES DURING STARTING CYCLE.Jan 6, 1998 · N8592X · Bell 206L3SDR 98ZZZX294Indicator · failedNO INDICATION ON N1 TACHOMETER GAUGE.Jan 6, 1998 · N9907K · Bell 206BSDR VTZA98003Connector · dirtyIAD/BNA - FLT 6704 - DURING CRUISE AT 1755 HRS ON 1-5-98, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO NR 1 ENGINE N2 INDICATION WENT TO ZERO. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEANED ALTERNATOR CANNON PLUG, OPS CHJan 5, 1998 · N621BR · Cndair CL6002B16SDR HEEA0012429Indicator · failedN2 NR2 NEEDLE INDICATES 30% LOW AT 100% RPM. TIME SINCE REPAIR 23:50.Jan 5, 1998 · N4302G · Bolkms BO105SSDR AU980050Seal · failed(AUS) LH ENGINE GAS GENERATOR TACHO GENERATOR SHAFT SEAL FAILED.Jan 1, 1998 · Stbros SD360SDR REXA97292Tach Generator · failedRIGHT ENGINE RPM DROPS TO 0 FOR A COUPLE OF MINUTES, THEN READS CORRECTLY. REMOVED AND REPLACED RIGHT TACH GENERATOR. (M)Dec 30, 1997 · N305PX · Bag JETSTM3101
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