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 HEEA061813Tach Generator · failedNO RPM INDICATION. TESTED TACHOMETER GENERATOR AND FOUND NO PROBLEM WITH UNIT.Apr 8, 1999 · N818SH · Bolkms BO105SSDR HEEA061802Indicator · fluctuatesRPM INDICATION NEEDLES STICKING AND FLUCTUATING.Apr 6, 1999 · N50293 · Bolkms BO105SSDR HEEA061801Indicator · reads highNR 1 NEEDLE READS APPROXIMATELY 3 PERCENT HIGHER THAN NR 2 AND DOESN'T RETURN TO ZERO. TIME SINCE REPAIR 0:00 HOURS.Apr 6, 1999 · N4302G · Bolkms BO105SSDR HEEA061622Gas Gen Tach · malfunctionedGENERATOR/TACHOMETER NOT INDICATING ZERO PERCENT TO 10 PERCENT.Apr 6, 1999 · N4253S · Skrsky S76ASDR HEEA061677Panel Assy · malfunctionedNR 2 ENGINE CLIMBED TO 105 PERCENT BEFORE MAXIMUM THROTTLE WAS REACHED.Apr 5, 1999 · N754H · Bell 212SDR RAIA990342Tach Generator · failedFLT 7332 - STL - LEFT ENGINE RPM FELL TO 35 PERCENT. MAINTENANCE REPLACED LEFT ENGINE TACH GENERATOR INSERT. (M)Mar 26, 1999 · N428AM · Bag JETSTM3201SDR 99ZZZX2847Indicator · reads highROTOR RPM READS 870, 10 PERCENT HIGH. REMOVED AND REPLACED.Mar 20, 1999 · N317MC · Bolkms BK117C1SDR PNSA990303Indicator · inoperativeON APPROACH TO MYU, RT ENGINE RPM INDICATION WENT TO ZERO, ENGINE RUNNING OK. RETURNED TO BET FOR UNEVENTFUL LANDING. REPLACED RPM INDICATOR, OPS CHECKED OK.Mar 19, 1999 · N15PR · Piper PA31350SDR 99ZZZX1809Indicator · failedINDICATOR REJECTED NEW OUT-OF-BOX. WOULD NOT SELF-TEST WHEN POWER APPLIED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Mar 19, 1999 · N135SJ · Urocop EC135P1SDR 99ZZZX1803Indicator · inoperativeTOT INDICATOR INOPERATIVE. UNIT INOPERATIVE. WOULD NOT SELF-TEST WHEN POWER APPLIED. WILL NOT OPERATE WHILE ENGINE IS RUNNING.Mar 19, 1999 · N135SJ · Urocop EC135P1SDR HEEA061156Pickup · failedN1 INDICATOR WENT TO ZERO.Mar 16, 1999 · N407MM · Bell 407SDR HEEA060919Indicator · malfunctionedGAS PROD INDICATION SLOW TO REACT.Feb 23, 1999 · N2124Z · Bell 206L1SDR HEEA060878Indicator · sticksNEEDLE STICKING ON START-UP ON GAS PROD GAUGE.Feb 23, 1999 · Bell 206L3SDR HEEA060877Indicator · failedWILL NOT ENGAGE UNTIL 15 PERCENT - 20 PERCENT ON GAS PROD GAUGE.Feb 23, 1999 · N50034 · Bell 206L1SDR HEEA060876Indicator · sticksINDICATOR INTERMITTENT AND STICKS ON GAS PROD GAUGE.Feb 23, 1999 · N2285B · Bell 206B3SDR HEEA060865Indicator · sticksDUAL TACHOMETER'S INDICATOR NEEDLE STICKS.Feb 23, 1999 · N2124Z · Bell 206L1SDR 99ZZZX2864Indicator · intermittentENGINE N1 INDICATOR NEEDLE DROPS OFF INTERMITTENTLY. REMOVED AND REPLACED.Feb 12, 1999 · N117M · Bolkms BK117A1SDR HEEA060497Indicator · inoperativeDUAL TACHOMETER'S N2 NEEDLE INOPERATIVE.Feb 9, 1999 · N417PH · Bell 407SDR 99ZZZX1034Tachometer · unapproved partOWNER COMPLAINED OF ENGINE RPM BEING LOW. CHECKED TACHOMETER WITH TACH-CHECK, FOUND TACH 400 RPM LOW. SUBMITTER STATED THIS IS THE SECOND TACH LIKE THIS FOUND IN LAST 3 YEARS. THE ONLY MARKING ON THE TACHOMETER IS 'MADE IN CHINA'.Feb 1, 1999 · N739TD · Cessna 172NSDR CA990219002Indicator · failed(CAN) LEFT TACH INDICATION FAILURE IN-FLIGHT. TACH DRIVE SPRING FAILED POSSIBLY BECAUSE IT HAD NOT BEEN LUBED PROPERLY AT ANGLE DRIVE ADAPTER.Jan 29, 1999 · Piper PA31350SDR HEEA060400Indicator · failedINDICATOR INOPERATIVE, WILL NOT INDICATE.Jan 28, 1999 · N1078C · Bell 206L1SDR HEEA060399Indicator · foggedFOGGED GLASS ON INDICATOR, NEEDLE ERRATIC AND INTERMITTENT.Jan 28, 1999 · N513EH · Bell 206L1SDR HEEA060398Indicator · sticksINDICATOR STICKS AT ZERO AND 55 PERCENT WITH SEVERE FLUCTUATION.Jan 28, 1999 · N10761 · Bell 206L1SDR HEEA060397Indicator · erraticLENS FOGS UP AND ERRATIC AT LOW END.Jan 28, 1999 · N5745S · Bell 206L1SDR HEEA060396Indicator · sticksNEEDLE STICKS THROUGHOUT SCALE.Jan 28, 1999 · N5014V · Bell 206L1SDR HEEA060472Indicator · sticksNR 1 NEEDLE STICKS ON STAMP ON START-UP, OTHERS ERRATIC.Jan 25, 1999 · N911FL · Bolkms BO105SSDR HEEA060471Indicator · malfunctionedSMALL NEEDLE OSCILLATES.Jan 25, 1999 · N86CH · Bolkms BO105SSDR HEEA060470Indicator · intermittentNEEDLE INTERMITTENTLY STAYS ON ZERO, CANNON PLUG BROKEN.Jan 25, 1999 · N4302G · Bolkms BO105SSDR HEEA060447Indicator · failedNR 1 ENGINE NEEDLE PEGS OUT BEFORE REACHING 70 PERCENT N2.Jan 25, 1999 · N911LK · Bolkms BK117B2SDR HEEA060446Indicator · ratchetsROTOR TACHOMETER NEEDLE RATCHETING AROUND 70 PERCENT.Jan 25, 1999 · N911LK · Bolkms BK117B2SDR HEEA060445Indicator · failedWHEN AIRCRAFT REACHED FLIGHT IDLE, ABOUT 70 PERCENT, NR 1 ENGINE NEEDLE PEGGED OUT FULL SCALE.Jan 25, 1999 · N911LK · Bolkms BK117B2SDR HEEA060101Indicator · erraticTRIPLE TACHOMETER HAS ERRATIC OPERATION.Jan 21, 1999 · N3897N · Bell 214STSDR CA990226002Sensor · inoperative(CAN) THE OVERSPEED SENSOR WAS INOPERATIVE CAUSING THE OVERSPEED CAUTION LIGHT TO ILLUMINATE.Jan 16, 1999 · Skrsky S76ASDR 99ZZZX991Tachometer · mismanufacturedACCEPTANCE INSPECTION OF NEW CESSNA WITH 8.0 HOURS SINCE MANUFACTURE REVEALED THE TACHOMETER WAS IN ERROR. A CALIBRATED TACHOMETER TESTER INDICATED THE AIRCRAFT TACHOMETER WAS 25 RPM'S LOW AT TAKEOFF AND 75 RPM'S LOW AT IDLE. A REPLACEMENT TACHOMETER IS BEINJan 8, 1999 · N494SP · Cessna 172SSDR CA981230029Shaft · sheared(CAN) WHILE IN CRUISE, THE NR 1 ENGINE TACHOMETER FAILED, THE FLIGHT CONTINUED TO ITS DESTINATION WITHOUT PROBLEMS. POST-FLIGHT INSPECTION FOUND THE TACHOMETER DRIVE SHAFT SHEARED. THE TACHOMETER WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.Dec 17, 1998 · Dhav DHC7102SDR 99ZZZX412Indicator · malfunctionedUNIT OPERATES INTERMITTENTLY. NR 2 NEEDLE RISES WITHOUT CAUSE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 17, 1998 · N135SJ · Urocop EC135P1SDR CA990311037Indicator · malfunction(CAN) RIGHT ENGINE NG INDICATOR NOT FUNCTIONING AT ALL. MAINTENANCE REPLACED THE INDICATOR MANUFACTURED BY MEGGITT.Dec 15, 1998 · Beech 1900DSDR 20000714SH011Tachometer · inaccuratePILOT COMPLAINED THAT ENGINE WAS NOT MAKING ENOUGH RPM. CHECKED TACHOMETER WITH PHOTO TACHOMETER AND FOUND A/C TOOL TO BE 120 RPM - 140 RPM LOW THROUGHOUT FULL RANGE OF OPERATION. UNIT WAS ORIGINAL TO AIRCRAFT. INSTALLED REPLACEMENT TACH - MITCHELL, P/N DA-Dec 13, 1998 · N6135J · Piper PA28181SDR RAIA981207Tach · failedFLT 4791 - SMF - RIGHT RPM GAUGE WENT TO ZERO. MAINTENANCE REPLACED RIGHT TACH GENERATOR. (M)Dec 10, 1998 · N862JX · Bag JETSTM3201SDR 99ZZZX231Indicator · malfunctionedBIG NEEDLE AND LITTLE NEEDLE DO NOT CORRESPOND ON COCKPIT INDICATOR.Dec 7, 1998 · N90322 · Bell 206BSDR PNSA981101Indicator · failedABORTED TAKEOFF DUE TO RT PROP RPM INDICATING LOW RPM. REPLACED INDICATOR, OPS CHECK OK.Nov 28, 1998 · N27801 · Piper PA31350SDR CA990310078Bearings · wrong part(CAN) OEM USES SHIELDED NHBB BEARINGS. BEARINGS REMOVED WERE BETTER QUALITY SEALED BEARINGS MADE BY NMB. SUBMITTER STATED THIS IS AN UNAPPROVED PART.Nov 24, 1998SDR CA990310075Bearings · wrong part(CAN) OEM USES BEARINGS MADE BY NMB. BEARINGS REMOVED ARE MADE BY NTN. SUBMITTER STATED THESE ARE UNAPPROVED PARTS.Nov 24, 1998SDR CA990310074Bearing · wrong part(CAN) OEM USES RHP BEARINGS. BEARING REMOVED WAS MADE BY FAFNIR. SUBMITTER STATED THIS IS AN UNAPPROVED PART.Nov 24, 1998SDR CA990310073Bearing · wrong part(CAN) BEARING REMOVED MADE BY FAFNIR. SUBMITTER STATED THIS IS AN UNAPPROVED PART. OEM USES BEARINGS MADE BY RHP.Nov 24, 1998SDR HEEA0016744Indicator · malfunctionedRPM INDICATION, SLOW REACTION ON START.Nov 6, 1998 · N133AE · Bolkms BO105SSDR HEEA0016707Indicator · stickingTRANSMISSION PRESSURE INDICATOR STICKING.Nov 6, 1998 · N50293 · Bolkms BO105SSDR HEEA0016706Indicator · fluctuatedNR 2 ENGINE OIL PRESSURE FLUCTUATES.Nov 6, 1998 · N81832 · Bolkms BO105SSDR HEEA0016705Indicator · stickingOIL INDICATION'S NR 2 NEEDLE INTERMITTENTLY STICKS ON ZERO.Nov 6, 1998 · N624MB · Bolkms BO105SSDR HEEA0016704Indicator · fluctuatedOIL INDICATION FLUCTUATES, NR 1 NEEDLE STICKS AT ZERO.Nov 6, 1998 · N4573B · Bolkms BO105S
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