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 95ZZZM512N1 Indicator · out of adjustDEN - THE CREW ELECTED AN AIR TURN BACK AFTER OBSERVING THE RT ENGINE AT 104 PERCENT AND 2700 LBS TORQUE WOULD NOT MAKE REQUIRED TORQUE. THE CREW ACCOMPLISHED AN UNEVENTFUL LANDING. MAINTENANCE CALIBRATED THE TORQUE SYSTEM, THE ITT SYSTEM, COMPRESSOR WASHED Aug 24, 1995 · N87GL · Beech 1900CSDR 95ZZZX7002Indicator · inopNR 2 N2 NEEDLE WILL NOT MOVE WITH ENGINE RUNNING.Aug 22, 1995 · N460H · Bolkms BK117B1SDR HEEA955570Spring · crackedN2 CONTROL SPRING CRACKED. SCRAPPED IN FIELD.Aug 8, 1995 · N136AE · Bolkms BK117B2SDR VTZA95249Tach Generator · failedFLT NR 6282 - IAD-HPN - DURING CLIMB-OUT RETURNED TO IAD DUE TO LEFT ENGINE RPM DROPPED TO ZERO ON CLIMB-OUT. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED LEFT TACH GEN. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (Aug 7, 1995 · N488UE · Bag JETSTM3201SDR HEEA955516Indicator · sticks#2 NEEDLE HAS A STICKY OPERATION; CAUSING A 3% NEEDLE SPLIT ON INCREASING RPM. TIME SINCE REPAIR 59:00.Aug 2, 1995 · N2148K · Bell 412SDR 95ZZZX5136Tachometer · erraticTHE TACHOMETER WOULD NOT INDICATE A CONSTANT RPM SETTING ON TAKEOFF OR DURING AEROBATIC MANEUVERS. THERE WAS A 100-150 RPM LAG. IT WAS IMPOSSIBLE TO DETERMINE IF THE RPM WAS SET CORRECTLY, AN IMPORTANT FACTOR CONSIDERING THE LARGE RESONANCE LIMITATIONS FOR AAug 1, 1995 · N7FD · Child S1TPITTSSDR 7289596CKTach Generator · failedLEFT TACHOMETER FAILED IN-FLIGHT. AIRCRAFT RETURNED TO YIP. REPAIRED CANNON PLUG. OPS CHECKED GOOD. (X)Jul 29, 1995 · N96CK · Lear 23LEARSDR SIMA952081O-Ring · nickedDFW - FLT 3542 - AFTER LANDING, DURING TAXI, AIRCRAFT CABIN FILLED WITH SMOKE. SMOKE ORIGINATED FROM MIDDLE OF CABIN. NO COCKPIT INDICATION. MAINTENANCE REMOVED AND REPLACED O-RING ON NL PROBE SYSTEM. OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (MJul 27, 1995 · N274AT · Aerosp ATR72212SDR HEEA955433Indicator · malfunction#1 AND #2 NEEDLES HAVE A 3% SPLIT AND ALL NEEDLES INTERMITTENTLY STICK. ALSO UNIT HAS LOOSE PARTS INSIDE.Jul 24, 1995 · N2148K · Bell 412SDR HEEA955416Indicator · failedWITH POWER APPLIED, NEEDLE WON'T RETURN TO ZERO.Jul 24, 1995 · N911TL · Bolkms BK117B1SDR 95ZZZX4487Indicator · defectiveN1 INDICATOR VERY ERRATIC NEEDLE (SMALL DIAL).Jul 14, 1995 · N303PD · Bell 206BSDR HEEA955359Indicator · sticks#1 NEEDLE INTERMITTENTLY STICKS BETWEEN 50-60%. TIME SINCE REPAIR 143:10.Jul 13, 1995 · N2148K · Bell 412SDR HEED95279Indicator · inoperativeSECTIONS OF LED LITES INOPERATIVE DURING ALL SETTINGS REPLACE UNITJul 12, 1995 · N276X · Skrsky S76CSDR HEEA955341Indicator · defectiveTRIPLE TACH HAS 2% SPLIT BETWEEN NEEDLES.Jul 11, 1995 · N7128R · Bell 412SDR 95ZZZX4169Pulse Pick-Up · defectiveFLT 4151 - DURING FLIGHT, LT ENGINE NH GAUGE BECAME ERRATIC, CREW INSTRUCTED TO RETURN TO FIELD. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. PIT/MX REPLACED LT ENGINE NH PULSE PICK-UP IAW MM 77-00-00. OPS CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE.Jul 10, 1995 · N426JS · Dorner DO328100SDR MALA954530Packing · deterioratedFLT 3106 - DURING CRUISE EN ROUTE FROM DTW TO YOW, THE CREW NOTED OILY SMOKE COMING FROM THE BLEED AIR SYSTEM. THE CREW SHUT DOWN BOTH BLEEDS AND RETURNED TO DTW WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 N1 PROBE O-RINGS. THE SYSTEM OPERATED SATISFACTJul 8, 1995 · N828MA · Dhav DHC8102SDR 95ZZZM288Packing · deterioratedFLT 3106 - DURING CRUISE EN ROUTE FROM DTW TO YOW, THE CREW NOTED OILY SMOKE COMING FROM THE BLEED AIR SYSTEM. THE CREW SHUT DOWN BOTH BLEEDS AND RETURNED TO DTW WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 N1 PROB O-RINGS. THE SYSTEM OPERATED SATISFACTOJul 8, 1995 · N828MA · Dhav DHC8102SDR 95ZZZM273Pulse Pickup · defectiveFLT NR 4007 - PIT-CHO - CREW NOTICED A FLUCTUATION IN RT ENGINE NH INDICATOR. ELECTED TO RETURN TO PIT. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. PIT MAINTENANCE INSPECTED AIRCRAFT AND DISCOVERED A DEFECTIVE NH TRANSMITTER. REPLACED TRANSMITTER IAW MM 71-0Jul 6, 1995 · N424JS · Dorner DO328100SDR HEEA955319Indicator · erraticNEEDLE ERRATIC ON LOW END.Jul 5, 1995 · N2148K · Bell 412SDR HEEA955259Indicator · defectiveINDICATOR READS HIGH OUT OF TOLERANCE AT HIGH RANGE.Jun 27, 1995 · N911TL · Bolkms BK117B1SDR EGRA95115Indicator · erraticN1 INDICATOR HAS ERRACTIC READINGS, REPLACE SIGHT GLASS.Jun 27, 1995 · N116MB · Bolkms BK117A3SDR GJQR9513Indicator · inoperativeINDICATOR INOP. REPLACED WITH NEW INDICATOR.Jun 16, 1995 · N404W · Bell 206LSDR HEEA955180Indicator · defective#1 NEEDLE READ 4% LOW AFTER 10 MINUTES OPERATION.Jun 13, 1995 · N911NC · Bolkms BK117A3SDR SIMA951592Nh Sensor · malfunctionedGRR - FLT 4194 - NR 1 ENGINE TQ SURGED 30 TO 35 PERCENT AFTER TAKEOFF. AIRCRAFT CONTINUED TO DESTINATION WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND INSPECTED SENSOR, SYSTEM OPS CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE. (M)Jun 8, 1995 · N369AT · Aerosp ATR72212SDR 95ZZZX4221Indicator · defectiveENGINE NEEDLES WOULD NOT MATCH UP. PREVIOUS REPAIR WAS N2 NEEDLE ERRATIC. TWENTY DAYS LATER AND ONLY 22.9 HOURS SINCE REPAIR.Jun 8, 1995 · N460H · Bolkms BK117B1SDR 95ZZZX3092Tach Generator · defectiveTACH NOTED UNSTEADY TACH GENERATOR REPLACED.Jun 8, 1995 · N4163Q · Doug DC6ASDR RAIA950515Rpm Gauge · failedFAT - FLT 4750 - THE LT ENGINE RPM INDICATION FELL FROM 100 PERCENT TO 98 PERCENT, WOULD NOT RESET OVER 98.5 PERCENT RPM. MAINTENANCE REPLACED LT RPM GAUGE GROUND RUNS REVEALED NORMAL OPERATION. ALL ENGINE PARAMETERS NORMAL. (Z)May 19, 1995 · N973JX · Bag JETSTM3201SDR HEEA955036Indicator · defectiveNEEDLE SPLIT.May 19, 1995 · N5019F · Bell 206L1SDR 95ZZZX3106Tach · stickingTRIPLE TACH STICKING.May 19, 1995 · N460H · Bolkms BK117B1SDR SIMA951353Probe Pickup · malfunctionedNR 1 ENGINE TQ SURGE ON TAKEOFF. ABORTED TAKEOFF AND RETURNED TO GATE. REPLACED NR 1 NH SENSOR, IAW PW MM (PROBE PULSE PICKUP). COMPLETED SUCCESSFUL TEST FLIGHT AND RETURNED AIRCRAFT TO SERVICE. (W)May 15, 1995 · N410AT · Aerosp ATR72212SDR 95ZZZX3339Dual Tachometer · erraticDUAL TACHOMETER'S NEEDLES JUMPING.May 14, 1995 · N303PD · Bell 206BSDR COM11889Sensor · defectiveR/T ENGINE WILL NOT START, NO NH INDICATION. REPLACED THE NH SENSOR.May 11, 1995 · N168CA · Emb EMB120RTSDR HEEA954970Indicator · sticks#2 NEEDLE STICKS ON LOW END.May 10, 1995 · N3131S · Bell 212SDR HEEA954954Indicator · defectiveTURBINE NEEDLE DROPS 20 RPM WHEN AIRCRAFT IS AT 100 RPM. TIME SINCE REPAIR 16:45.May 10, 1995 · N6160Z · Bell 206L3SDR HEEA954949Indicator · defective#1 & #2 NEEDLES HAVE A 3% SPLIT THROUGHOUTMay 10, 1995 · N7128R · Bell 412SDR 95ZZZX5282Tachometer · failsNG TACK INDICATOR, UNIT PEAKS OR GOES TO ZERO INTERMITTENTLY. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.May 4, 1995 · N92LG · Snias AS350B2SDR WRLA95019Connector · dirtyDURING TAKEOFF, AT 140KTS, CAPTAIN NOTED 'ENGINE FAILED' LIGHT ON. CAPTAIN ABORTED TAKEOFF, STOPPING AIRCRAFT NORMALLY WITH THRUST REVERSE AND BRAKING. AIRCRAFT TAXIED BACK TO GATE WITHOUT FURTHER INCIDENT. CREW DEBRIEFED WITH MAINTENANCE AND STATED THAT THApr 24, 1995 · N107WA · Doug DC1030FSDR BIER950010Adapter Shaft · shearedTACH INDICATED 0 RPM BUT ENGINE RAN NORM. FOUND TACH DRIVE ADAPTER SHEARED AT ATTACH NUT. REMOVED AND REPL WITH NEW.Apr 21, 1995 · N9211K · Piper PA34200TSDR 95ZZZX2555Indicator · inoperativeNR 2 ENGINE INDICATOR INOPERATIVE.Apr 4, 1995 · N460H · Bolkms BK117B1SDR BDHA950008Tach Generator · malfunctionedMSP - FLT 421 - WHILE PERFORMING ENGINE START THE IGNITION WAS INTERMITTENT FROM FOURTY TO FIFTY FIVE PERCENT. THE TACH GENERATOR SIGNAL WAS INTERRUPTING THE SPEED SWITCH POWER TO THE START CONTROL RELAYS. THE RPM INDICATION OPERATED NORMAL. THE TACH GENERAMar 27, 1995 · N328BA · Swrngn SA226TCSDR RMXA9520547Tach Generator · inoperativeINOPERABLE - TOTALLY, ONLY 3.8 HOURS SINCE OVERHAUL.Mar 26, 1995 · N105NG · Bolkms BO105SSDR RMXA9520542Indicator · fluctuatesN2 NEEDLE FLUCUATES 3% AT 100% - ONLY 16.1 HOURS SINCE REPAIR.Mar 26, 1995 · N105NG · Bolkms BO105ASDR RMXA9520527Indicator · erraticNUMBER 2 NEEDLE OCCASSIONALLY ERRATIC. ROTOR NEEDLE IS STILL ERRATIC.Mar 26, 1995 · N117LF · Bolkms BK117A1SDR EGRA9511Indicator · erratic#1 ENGINE N1 GAUGE ERRATIC AND UNRELIABLE. REPLACED N1 GAUGE WITH A USED SERVICEABLE ONE.Mar 21, 1995 · N116MB · Bolkms BK117A3SDR 95ZZZX5481Speed Pickup · erraticSPEED PICK-UP ERRATIC. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Mar 13, 1995 · N127HH · Bolkms BK117A3SDR 95ZZZX2525Tachometer Box · sensor failedDURING FLIGHT, ROTORCRAFT DEVELOPED FLUTTER SOUND AND HIGHER THAN NORMAL TOT. LANDING MADE AND MECHANIC FOUND TACHOMETER BOX TO BE DEFECTIVE.Feb 21, 1995 · N6077H · Snias AS350BSDR 9502751148Transmitter · failedDURING TAKEOFF, THE NR 1 ENGINE FAIL LIGHT ILLUMINATED AND THE TAKEOFF WAS ABORTED. REPLACED THE NR 1 ENGINE N1 TRANSMITTER.Feb 20, 1995 · N148US · Doug DC1040SDR WTAA950090Rpm Gauge · failedSFO - RIGHT ENGINE RPM GAUGE FAILED AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT ENGINE RPM GAUGE. ENGINE RPM INDICATIONS NORMAL DURING ENGINE GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (X)Feb 17, 1995 · N107XV · Bag JETSTM3101SDR WTAA950085Tach Generator · failedLAX - LEFT ENGINE RPM INDICATOR REPORTED INOPERATIVE AFTER DEPARTURE. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE TACH GENERATOR. ENGINE RPM INDICATIONS NORMAL DURING ENGINE GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (X)Feb 14, 1995 · N422UE · Bag JETSTM3101SDR 95ZZZX1061Tach Generator · failedDURING LEVEL FLIGHT, N1 GAUGE FELL TO ZERO, ENGINE OUT LIGHT ILLUMINATED, AND AUDIO ENGINE OUT CAME ON. CROSS-CHECK OF INDICATORS NOTED NO OTHER DEFECTS.Feb 1, 1995 · N173AL · Bell 206L4
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