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 HEEA0011289Indicator · sticksNR2 NEEDLE STICKS THROUGHOUT SCALE.Oct 8, 1997 · N5736J · Bell 212SDR HEEA0011288Indicator · reads highNR1 N2 NEEDLE READING 2% HIGH.Oct 8, 1997 · N205UC · Bolkms BO105SSDR HEEA0011284Indicator · defectiveTRIPLE TACH INDICATOR STAYS 5% BELOW.Oct 8, 1997 · N5759N · Bell 412SDR HEEA0011283Indicator · mis markedTRIPLE TACH INDICATOR WRONG MARKINGS.Oct 8, 1997 · N108X · Bell 412SDR HEEA0011266Indicator · errorNR 1 NEEDLE HAS EXCESSIVE FRICTION ERROR.Oct 8, 1997 · N724MB · Bolkms BO105SSDR HEEA0011238Indicator · failedWHEN AIRCRAFT WAS STARTED, NONE OF THE NEEDLES MOVED.Oct 7, 1997 · N5031U · Bolkms BO105SSDR HEEA0011231Tach · failedGAS GEN TACH WOULD NOT EXTINGUISH ENGINE OUT LIGHT.Oct 7, 1997 · N792CH · Skrsky S76ASDR VTZA97533Tach · failedFLT 6193 - IAD-JFK - DURING CLIMB, MADE A UNSCHEDULED FLIGHT DUE TO LEFT RPM INDICATION DROPPED TO ZERO. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TACH GENERATOR AND INSERT, OPS CHECK OK. AIRCRAFT WASOct 3, 1997 · N484UE · Bag JETSTM3201SDR VTZA97529Tach Generator · failedFLT 6272 - IAD-BOS - DURING CRUISE, MADE A UNSCHEDULED FLIGHT DUE TO LEFT RPM INDICATION FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED ANE REPLACED TACH GENERATOR. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURNOct 2, 1997 · N484UE · Bag JETSTM3201SDR HEEA0011186Indicator · reads lowTRIPLE TACH READS 2% LOWER THAN PILOT'S SIDE.Oct 2, 1997 · N3911L · Bell 412SDR HEEA0011149Indicicator · failedINDICATOR DOES NOT INDICATE ABOVE 5%. EXCESSIVE FRICTION ERROR.Oct 2, 1997 · N54197 · Bolkms BO105SSDR HEEA0011148Indicicator · failedRPM GAUGE WILL NOT GO PAST 5%.Oct 2, 1997 · N54197 · Bolkms BO105SSDR HEEA0011118Indicator · error3% SPLIT IN ENGINE RPMS.Sep 30, 1997 · N2014K · Bell 412SDR NSVA97011Tach Gen · failedON TAXI, RIGHT TACH GENERATOR FAILED. AIRCRAFT RETURNED TO GATE. PLANE WAS FERRIED TO HYANNIS FOR MAINTENANCE. MAINTENANCE REMOVED AND REPLACED THE RIGHT TACH GENERATOR AND RETURNED THE AIRCRAFT TO SERVICE. MAINTENANCE NOTED THAT THE REMOVED UNIT WAS DISCOSep 29, 1997 · N550CJ · Beech 1900CSDR 9718111141Tach Ind · failedON TAKEOFF ROLL, THE NR 3 ENGINE N1 INDICATION SPIKED WHILE AT MAXIMUM POWER. THE TAKEOFF WAS ABORTED AT APPROXIMATELY 40 KNOTS. ALL OTHER PARAMETERS WERE NORMAL. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE DEFERRED THE N1 INDICATION UNDER MEL 77-1BSep 28, 1997 · N141US · Doug DC1040SDR DL72S971871Tach Gen Housing · leakingOIL TEMP NR 3 STEADILY INCREASED REACHING A MAX OF RED RADIAL. NR 3 OIL QTY STEADILY DECREASED TO APPROX 2 GALLONS. NR 3 OIL PRESSURE DROPPED TO 20 PSI SHUT DOWN ENGINE IAW CHECK LIST. FOUND OIL PUDDLED IN INTAKE. REPLACED N1 TACH GEN HOUSING AND O-RING. Sep 19, 1997 · N403DA · Boeing 727232SDR VTZA97544Connector · dirtyVTV/CHS - FLT 6652 - DURING CRUISE AT 1,320 HOURS ON 9-15-97, MADE AN UNSCHEDULED LANDING AT BTV DUE TO RT ENGINE N2 WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEANED AND REMOVED AND RE-INSTALLEDSep 15, 1997 · N620BR · Cndair CL6002B19SDR 97ZZZX4376Indicator · inoperativeRECEIVED NEW N2 INDICATOR UNIT FROM LEARJET. REMOVED FROM BOX, UNIT INOPERABLE. RETURNED UNUSED TO LEARJET FOR REPLACEMENT. RECEIVED SECOND UNIT. INSTALLED ON AIRCRAFT AND RETURNED TO SERVICE. (PN 131348-3).Sep 15, 1997 · N107FX · Lear 31ASDR HEEA0010988Detector · malfunction#1 ENGINE OUT LIGHT ON IN FLIGHT.Sep 9, 1997 · N142PH · Bell 412SDR VTZA97496Tach Generator · failedIAD/SYR - FLT 6387 - DURING CRUISE ON 9-3-97 AT 2,155 HOURS, THE CREW EXPERIENCED A DISCREPANCY WITH THE LT ENGINE RPM INDICATION. AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE TROUBLESHOT THE DISCREPANCY AND FOUND THE LT ENGINE TACH GENERATOR HAD FAILED. Sep 3, 1997 · N484UE · Bag JETSTM3201SDR 98ZZZX2528Light · failedNG TACHOMETER INTERNAL LIGHT INOPERATIVE. REMOVED AND REPLACED GAUGE.Aug 28, 1997 · N365SJ · Aerosp SA365NSDR RAIA970835Tach Gen · wornSTL - FLT 7067 - NR 2 ENGINE RPM DROPPED TO 40 PERCENT. REMOVED AND REPLACED TACH GENERATOR DRIVE INSERT. (M)Aug 27, 1997 · N338TE · Bag JETSTM3201SDR VTZA97478Tach Generator · failedFLT 6551 - IAD-CLE - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO LT RPM DROPPED TO ZERO. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TACH GENERATOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVEAug 23, 1997 · N477UE · Bag JETSTM3201SDR CA980713002Shaft · sheared(CAN) IN-FLIGHT, THE N1 GAS PRODUCER INDICATOR WENT TO ZERO AND ENGINE OUT LIGHT AND HORN ACTIVATED. THE TOT AND N2 ENGINE INDICATOR APPEARED NORMAL. A PAN AND EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. FOUND N1 TACHOMETER GENERATOR HAD SEAug 23, 1997 · Bell 206BSDR 98ZZZX1262Indicator · failedTACHOMETER INDICATOR READ INTERMITTENTLY LOW.Aug 23, 1997 · N126TV · Snias AS350B2SDR HEEA0010830Indicator · sticksINDICATOR NEEDLE HAS STICKY OPERATION.Aug 21, 1997 · N2759U · Bell 206L1SDR HEEA0010757Indicator · failedTRIPLE TACH #2 NEEDLE WILL NOT INDICATE.Aug 19, 1997 · N205UC · Bolkms BO105SSDR RAIA970814Tach Generator · failedFLT 7102 - STL - LEFT ENGINE RPM FLUCTUATION 18-20 PERCENT IN FLIGHT. MAINTENANCE REPLACED LEFT TACH GENERATOR. (M)Aug 14, 1997 · N432AM · Bag JETSTM3201SDR 97ZZZX4082Speed Sensor · intermittentCOMPRESSOR TURBINE SPEED SENSOR INSTALLATION UNIT OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES: 5,567.6.Aug 12, 1997 · N901CF · Doug MD900SDR HEEA0010596Tach Generator · seized shaftTACH GENERATOR DRIVE SHAFT FROZEN.Aug 6, 1997 · N724MB · Bolkms BO105SSDR HEEA0010591Indicator · failed#1 ENGINE NEEDLE DOES NOT INDICATE.Aug 6, 1997 · N911BR · Bolkms BO105SSDR HEEA0010580Indicator · reads lowINDICATES LOW OUT OF TOLERANCE THROUGHOUT SCALE AND NEEDLE FLUCTUATES.Aug 6, 1997 · N8045T · Bell 214STSDR HEEA0010574Indicator · erraticTURBINE NEEDLE ERRATIC BELOW 50% RPM.Aug 6, 1997 · N7077B · Bell 206L4SDR 97ZZZX3865Dowel Pin · shearedDURING THE COURSE OF NORMAL FLIGHT, THE PILOT NOTICED THE RIGHT TACHOMETER HAD QUIT OPERATING. IT WAS DETERMINED THE DOWEL PIN (TCM PART 535634) ON THE OIL PUMP SHAFT GEAR (TCM PART 631075) THAT DRIVES THE TACHOMETER GENERATOR WAS SHEARED. SHORTLY AFTER THE Aug 1, 1997 · N5133J · Cessna 310RSDR 97ZZZX3530Tach Generator · failedLEFT ENGINE TACHOMETER GENERATOR INOPERATIVE.Jul 30, 1997 · N852CA · Beech 1900DSDR VTZA97374Rpm Probe · failedIAD/BOS - FLT 6510 - DURING CRUISE AT 2315 HRS ON 7-24-97, MADE AN UNSCHEDULED LANDING DUE TO RT ENGINE RPM FLUCTUATION. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RPM PROBE. OPS CHECK OK. AIRCRAFT RELEASJul 24, 1997 · N302UE · Jetair JETSTM4101SDR MALA975530Probe · failedFLT 3453 - CREW REPORTED RIGHT RPM GAUGE FLUCTUATING. AIR TURN BACK TO DTW. MAINTENANCE REPLACED NR 2 NP SPEED SENSOR PROBE. ALL CHECKS GOOD. (M)Jul 16, 1997 · N831MA · Dhav DHC8102SDR HEEA0010508Indicator · malfunctionDUAL TACH NEEDLE IS AT 98% IN CRUISE FLIGHT.Jul 16, 1997 · N6603X · Bell 206L3SDR HEEA0010507Indicator · inoperativeTRIPLE TACH H2 N2 INOPERATIVE.Jul 16, 1997 · N3893N · Bell 412SDR HEEA0010500Indicator · reads low#1 NEEDLE INDICATES LOW READING OUT OF TOLERANCE AT 100%.Jul 16, 1997 · N3538T · Bolkms BO105SSDR HEEA0010457Indicator · fluctuatesGAS PRODUCER INDICATOR FLUCTUATES BETWEEN 20% AND 50%.Jul 10, 1997 · N2278V · Bell 206BSDR HEEA0010456Indicator · peggedINDICATOR PEGGED TO HIGH SIDE.Jul 10, 1997 · N10814 · Bell 206L1SDR HEEA0010447Tach Generator · malfunctionTACH GENERATOR CAUSING N2 TACH TO BOUNCE.Jul 10, 1997 · N205UC · Bolkms BO105SSDR 97ZZZX5065Speed Pickup · failedSPEED PICKUP UNIT FAILED TO TEST UPON INSTALLATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jul 10, 1997 · N424MB · Bolkms BK117A3SDR 97ZZZX3589Indicator Ng · fluctuatesN1 GAUGE FLUCTUATING 70 PERCENT N1. REMOVED AND REPLACED.Jul 10, 1997 · N460H · Bolkms BK117B1SDR M8XA970010Probe · defectiveEN ROUTE, THE FLIGHT CREW NOTICED THIER WAS NO LOW PRESSURE COMPRESSOR SPEED (NL) INDICATION FOR THE LEFT ENGINE. MAINTENANCE CONTROL ADVISED THE CREW TO DIVERT TO COS WHERE REPAIRS COULD BE MADE. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT AT COS. COS MX REPJul 8, 1997 · N329MX · Dorner DO328100SDR HEEA0010383Pickup Assembly · fluctuateENGINE NUMBER 2 N2 TACH. FLUCTUATING.Jul 3, 1997 · N230UN · Bell 230SDR QXEA9700308Rpm Indicator · malfunctionNR 1 RPM WENT ERRATIC ON TAKEOFF ROLL. ABORTED TAKEOFF. REPLACED RPM INDICATOR, OPERATIONAL CHECKS GOOD.Jun 29, 1997 · N2734X · Swrngn SA227ACSDR HEEA0010360Indicator · reads highN1 READS HIGH AT 90% AND ABOVEJun 26, 1997 · N401PH · Bolkms BK117A3SDR HEEA0010355Indicator · sticksNEEDLE HAS STICKY OPERATION FROM 0 TO 40%.Jun 26, 1997 · N2149S · Bell 412
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