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 2008FA0000506Transmitter · malfunctionedTRANSMITTER CAUSED LT ENGINE TO SPOOL BACK TO IDLE, AC RETURNED TO AIRPORT AND LANDED WITH NO INCIDENT. (K)Jul 2, 2008 · N61WH · Gulstm GIVSDR N93A01052008Transmitter · malfunctionedDURING DESCENT, AIRCRAFT EXPERIENCED VIBRATION FROM RT ENGINE THAT LASTED FOR 5 TO 10 SECONDS AND OCCURRED SEVERAL TIMES. TGT ROSE INTO YELLOW BAND. ENGINE WAS PLACED AT IDLE UNTIL LANDING. REPLACED ENGINE AIRFLOW CONTROL RPM SIGNAL TRANSMITTER.May 1, 2008 · N495QS · Gulstm GIVSDR DGCA032008001Monopole · inoperativeN1 INDICATION SHOWED ZERO. NR 1 ENGINE COMPUTER DROPPED OFF LINE.Mar 20, 2008 · N5119 · Raythn HAWKER800SDR CA080214002Drive Shaft · failed(CAN) TROUBLESHOT NO RPM INDICATION. REMOVED TACH GENERATOR FROM RT ENGINE, DRIVE SHAFT WAS STILL STUCK IN THE ENGINE. IT APPEARS THAT THE SHAFT SEPARATED FROM THE ARMATURE INSIDE. REMOVED THE SHAFT, NO DAMAGE TO THE ENGINE DRIVE. INSTALLED SERVICEABLE PART ANFeb 13, 2008 · Swrngn SA226TCSDR YENA2007121Sensor · erraticFLT NR 439, BOS-MCO DIVERTED TO RDU DUE ENGINE 1 CONTROL FAULT, ENGINE THRUST NOT CONTROLLABLE, ENGINE SHUT DOWN. ACCOMPLISHED GE ENG EM TASK 72-00-00-810-325 FOR COMP STALL. VISUAL INSP OF ENG INTAKE AND EXHAUST. ACCOMPLISHED GE EM TASK 72-00-00-810-315 FOR EDec 20, 2007 · N279JB · Emb ERJ190100IGWSDR HALA0700523Probe · malfunctionedBTB - ENG L SYS FAIL SW TAXI OUT ALERT. INTERROGATED MCDU PER FIM TASK 77-12-00-810-802. REMOVED AND REPLACED N2 SHAFT SPEED HPC PROBE. OPS AND LEAK CHECK OK. OK FOR SERVICE.Dec 9, 2007 · N479HA · Boeing 717200SDR CA070919003Probe · faulted(CAN) ON FIRST START OF THE DAY, THE NR 1 ENGINE OVERTORQUED TO AN UNDETERMINED VALUE. TORQUE WAS SEEN TO BE DECREASING THROUGH 70 PERCENT. IT WENT BACK TO 30 PERCENT AND THEN STARTED TO ACCELERATE AGAIN. ENGINE WAS SHUTDOWN AT 50 PERCENT TORQUE. FDR DOWNLOADESep 16, 2007 · Dhav DHC8311SDR COEA0708902Indicator · fluctuatesFLT 7813 - ON TAKEOFF ROLL, THE NR 2 TORQUE GAUGE WAS FLUCTUATING BY GREATER THAN 10 PERCENT. TAKEOFF ABORTED. COULD NOT DUPLICATE DURING MAINTENANCE RUNS. (M)Sep 15, 2007 · N902FX · Aerosp ATR42320SDR 2007F00052Tach Generator · false indicationLEFT RPM INDICATION ABNORMAL PERFORMED PRECAUTIONARY SHUTDOWN. INSPECTION FOUND TACH GENERATOR SHAFT BROKEN. REMOVED AND REPLACED TACH GENERATOR IAW AMM 77-11-03. ENGINE GROUND PERFORMANCE RUN C/W AND PASSED. ALL PARAMETERS NORMAL. AIRCRAFT APPROVED FOR RSep 4, 2007 · N403VA · Dorner DO228202SDR HEEA116823Transducer · fluctuatesIN CRUISE FLIGHT AT 5000 FT IFR NR 2 ENGINE DECELLED THEN CAME BACK TO NORMAL. ENGINE OUT LIGHT, AUDIO BOTH CAME ON FOR ABOUT 1 SECOND DURATION. ENGINE RECOVERED. AFTER DESCENDING TO 2000 FT TO START APPROACH, AFTER ABOUT 20 SEC LEVEL AT 2000 FT. N1 ON NRJul 28, 2007 · N761P · Skrsky S76CSDR DL76L070323Circuit Card · unknownAFTER STARTING, THE RIGHT CENTER PUMP PRESS LIGHT ILLUMINATED WITH THE RIGHT CTR PUMP ON. REMOVED AND REPLACED THE RT ENG SPEED CARD.Apr 14, 2007 · N175DN · Boeing 767332SDR HEEA114929Indicator · inoperativeDURING CRUISE FLIGHT NR 1 AND NR 2 N2 GAUGES WENT TO ZERO. REPLACED TRIPLE TACH INDICATOR.Apr 7, 2007 · N320PH · Urocop EC135P2SDR CA070316003Tach Generator · failed(CAN) N1 TACH GENERATOR FAILED IN FLIGHT. (TC NR 20070316003)Mar 13, 2007 · Beech B200SDR AWXA200700339Tach Generator · failedDURING CRUISE FLIGHT, THE CREW DOCUMENTED THE FOLLOWING FAULTS ON LPS 7446894, 7446895, 7446896. CREW REPORTED THE FOLLOWING: RIGHT CENTER FUEL PUMP WAS INOPERATIVE. RIGHT ENGINE BLEED INOPERATIVE. RIGHT ENGINE N3 INDICATION INOPERATIVE. MX REPLACED THE N3Mar 6, 2007 · N909AW · Boeing 7572G7SDR AC2A113419Sensor · malfunctionedNR 1 ENGINE NP2 RPM PICKUP MALFUNCTIONED/FAILED. INSTALLED SERVICABLE PART.Jan 3, 2007 · N430CM · Bell 430SDR CA060920008Tach Generator · slipped(CAN) AIRCRAFT DEPARTED AIRPORT AND UPON CLIMBOUT THE RT ENGINE RPM INDICATION BEGAN TO FLUCTUATE. ALL OTHER PARAMETERS REMAINED NORMAL. AIRCRAFT RETURNED AND UPON INVESTIGATION FOUND DRIVE SHAFT INTACT YET SLIPPING INTERNALLY. TACH GENERATOR REPLACED, RUNUSep 18, 2006 · Swrngn SA227ACSDR HEEA111183Tachometer · overspeedNR 2 ENGINE OVERSPEED WARNING LIGHT STARTED FLASHING IN FLIGHT. MAINTENANCE REPLACED TACHOMETER UNIT.Sep 14, 2006 · N22342 · Skrsky S76ASDR COMA0660496Stator · faultyFLIGHT 5195- EN ROUTE CMH-TPA RECEIVED A RIGHT ENGINE OVERSPEED WARNING, FLIGHT DIVERTED TO CVG. REPLACED THE RIGHT ENGINE STATOR ALTERNATOR.Aug 8, 2006 · N589SW · Cndair CL6002B19SDR CA060731005Indicator · shorted(CAN) DURING TROUBLESHOOTING OF A POSSIBLE N2 OVERSPEED OF BOTH ENGINES, THE N2 GAGE WAS TESTED BY SIMULATING SPEEDS WITH VOLTAGE AT SEVERAL FREQUENCIES. WHEN VALUES WERE BROUGHT AT LEVELS TO ILLUMINATE THE RED OVERSPEED WARNING LIGHT, IT WAS NOTED THAT THE INJul 28, 2006 · Cessna 550SDR KBM2006F00225Indicator · failedNG INDICATOR, WENT TO ZERO, REMOVED AND REPLACED. (K)Jun 29, 2006 · N215LA · Snias AS350B1SDR AMTA200600415Tach Generator · inoperativeLT ENG BLEED INOPERATIVE. FOUND N3 TACH GENERATOR INOPERATIVE. REMOVED AND REPLACED IAW MM. REAN ENGINE OPS CHECK NORMAL. (K)Jun 23, 2006 · N520AT · Boeing 75723NSDR HEEA109637Indicator · malfunctionedNR 1 AND 2 N2 NEEDLES WENT TO THE PARK POSITION IN FLIGHT, NR STILL READ CORRECTLY. ALL OTHER INDICATIONS WERE NORMAL. DIVERTED WITH LANDING AT HOSPITAL TO DROP OFF PATIENT TO LANDING AT GLS AIRPORT. REMOVED INSTRUMENT, DETERMINED IT WAS HOT, ALLOWED IT TOJun 12, 2006 · N308PH · Urocop EC135P2SDR AWXA200600890Circuit Card · faultyPHX - ENG SHUTDOWN - FLT 656 - LG 7289288 - STARTED RT ENG, 570 TICK MARK DID NOT DISAPPEAR AFTER ROLLBACK, ENG RAN ROUGH AT IDLE. ABNORMAL AIRFLOW IN COCKPIT WITH PACK OFF, START SWITCH DEFAULTED TO AUTO NORMALLY, DUCT PRESS NORMAL 20 PSI AFTER START, SHUT EJun 2, 2006 · N913AW · Boeing 757225SDR KBM2006F00190Gauge · erraticNG GAUGE, NEEDLE ERRATIC, REMOVED AND REPLACED. (K)May 25, 2006 · N215LA · Snias AS350B1SDR KBM2006F00179Gauge · stickingPOINTER STICKS TO NEGATIVE 3.5 YELLOW ARC. SIGHT GLASS DEBONDED, SPINS. REMOVED AND REPLACED. (K)May 14, 2006 · N245LA · Snias AS350B2SDR KBM2006F00165Tachometer · erraticDUAL TACH, READING ERRATIC DURING RUN UP, REMOVED AND REPLACED. (K)Apr 29, 2006 · N215LA · Snias AS350B1SDR KBM2006F00151Indicator · malfunctionedDUAL TACH, GAUGE LIGHT WILL NOT ILLUMINATE, REMOVED AND REPLACED. (K)Apr 19, 2006 · N188TV · Bell 206BSDR KBM2006F00150Indicator · stuckTACH INDICATOR, NO INDICATION, NEEDLE STUCK, REMOVED AND REPLACED. (K)Apr 19, 2006 · N188TV · Bell 206BSDR KBM2006F00161Indicator · intermittentNG GAUGE, UNIT INTERMITTENT, REMOVED AND REPLACED. (K)Apr 17, 2006 · N884SH · Snias AS350B2SDR KBM2006F00142Tachometer · fluctuatesNG, UNIT FLUCTUATES, REMOVED AND REPLACED. (K)Apr 13, 2006 · N350SH · Snias AS350B2SDR CA060407007Tachometer · failedPILOTS FELT ENGINE WAS NOT PRODUCING FULL POWER RETURNED TO BASE. ENGINE INSPECTED BY AN APPROVED AVIATION COMPANY, ALL ENGINE PARAMETERS WERE NORMAL. HOWEVER, THEY DISCOVERED THE TACHOMETER WAS 100 RPM LOW AT FULL POWER. REPLACED TACHOMETER.Mar 31, 2006 · Cessna 172MSDR CA060601006Detector · failed(CAN) ENGINE OUT LIGHT STAYS ON AFTER ENGINES STARTED. RPM LIGHT INTERMITTENT WITH RPM IN NORMAL OPERATING RANGE.THE RELIABILITY OF THESE UNITS ARE NOT GOOD.IN OUR FLEET OF 4 BELL 212'S WE GO THROUGH 6 RPM BOXES IN 1 SUMMER (TC NR 20060601006)Mar 27, 2006 · Bell 212SDR KBM2006F00107Tach Generator · failedN2 READING WENT TO -0- IN A SHORT FINAL, REMOVED AND REPLACED TACH GENERATOR. (K)Mar 1, 2006 · N73DP · Bell 206BSDR AALA20060108Tach Generator · inoperativeRIGHT HAND FUEL FLOW INDICATED 0 TEMPORARILY. WHEN N3 INDICATED 0 EICAS INDICATIONS CENTER RIGHT FUEL PUMP AND RIGHT ENGINE BLEED OFF CENTER PUMP PRESSURE LIGHT AND RIGHT ENGINE BLEED OFF. RIGHT DUCT PRESSURE INDICATED 5 PSI. STANDBY ENGINE INSTRUMENTS INDIFeb 19, 2006 · N692AA · Boeing 757223SDR KBM2006F00085Bearing · wornTACH GENERATOR, BAD BEARINGS, REMOVED AND REPLACED. (K)Feb 7, 2006 · N73DP · Bell 206BSDR 2006F00007Tach Generator · failedDURING CRUISE FLIGHT THE LT ENGINE N1(FAN) INDICATOR WENT TO ZERO, ALL OTHER ENGINE INDICATIONS WERE NORMAL. INVESTIGATION REVEALED THAT THE N1 TACH GENERATOR DRIVE SHAFT HAD SHEARED. REPLACED WITH OVERHAULED UNIT AND OPERATIONALLY CHECKED OK. CAUSE WAS EVIDENFeb 1, 2006 · N87SF · Cessna 550SDR KBM2006F00059Tachometer · intermittentDUAL TACH, NF NEEDLE READING, 0 INTERMITTENTLY DURING RETURN FLIGHT, REMOVED AND REPLACED. (K)Jan 30, 2006 · N751H · Snias AS350B2SDR ALG2006F00024Gauge · inoperativeON LANDING APPROACH NR 2 ENGINE NE1 GAUGE WENT TO ZERO, SETTING OFF THE ENGINE OUT WARNING LIGHT AND OTHER WARNINGS. REMOVED AND REPLACED N1 GAUGE WITH SERVICE UNIT. (K)Jan 8, 2006 · N522AL · Skrsky S76ASDR CA061219008Indicator · failed(CAN) TACH CABLE FAILED WHILE ON TAXI CAUSING NO RPM INDICATION. (TC NR 20061219008)Dec 12, 2005 · Piper PA31350SDR ALG2005F00122Actuator · out of adjustON TAKEOFF, RPM ROSE TO 104 PERCENT, THE PILOT WAS UNABLE TO BEEP DOWN TO NORMAL RANGE, RETURNED TO DEPARTURE. THE MECHANIC FOUND THE LINEAR ACTUATOR RANGE WAS SET TOO HIGH, HE ADJUSTED THE BEEP RANGE TO WITHIN THE LIMITS AND THE AC WAS RETURNED TO SERVICE. Dec 6, 2005 · N175AL · Bell 206L4SDR DXTA200501048Indicator · malfunctionedLT N1 GAGE INDICATED 0 JUST AFTER POWER UP AT T/O. NO TAPE OR DIGITS. RAN LT ENGINE TO T/O POWER . N1 TAPE HAD NO DEFECTS. REMOVED UPPER AND LOWER LT ENGINE COWLS TO GAIN ACCESS TO N1 SENSOR. RANG OUT SENSOR IAW PWA MM CH. 77-10-01. NO DEFECTS NOTED. COULD Nov 2, 2005 · N684QS · Cessna 560XLSDR CA051104014Sensor · failed(CAN) THE ENGINE FLAMEDOUT ON DESCENT FOLLOWING A COMMANDED REDUCTION TO IDLE POWER. AN IN-FLIGHT RE-LIGHT WAS SUCCESSFULLY CARRIED OUT. THE ENGINE N1 SPEED SENSOR S WERE SUBSEQUENTLY REPLACED.Oct 28, 2005 · Lear 60LEARSDR BAQA106369Tachometer · fluctuatesNG GAUGE WOULD FLUCTUATE THROUGH ENTIRE ENGINE RANGE.Oct 14, 2005 · N63CF · Aerosp SA365NSDR ALG2005F00077Pickup · failedDURING CRUISE FLIGHT, N2 INDICATOR WENT FROM 100 PERCENT TO ZERO. REMOVED AND REPLACED N2 PICKUP, NR 2 ENGINE WITH SERVICEABLE UNIT IAW MM. GROUND RUN AND OPS CHECK GOOD. (K)Oct 5, 2005 · N1547N · Skrsky S76ASDR 4511209112005Transducer · failedENGINE AMBER COMPUTER FAULT LIGHT ILLUMINATED ON T/O ROLL BELOW 80 KNOTS. T/O WAS ABORTED AND THE ENG COMPUTER SWITCH WAS CYCLED TWICE BUT, THE FAULT WOULD NOT CLEAR. PRELIMINARY T/S POINTS TO FAILED N2 TRANSDUCER.Sep 11, 2005 · N415FX · Lear 45LEARSDR KBM2005F00276Tachometer · malfunctionedTACHOMETER INDICATOR, BLEED VALVE FLAG DOES NOT RETRACT, REMOVED AND REPLACED. (K)Sep 4, 2005 · N884SH · Snias AS350B2SDR 09072005AIndicator · inoperativeRT NG GAUGE DROPPED TO ZERO IN FLIGHT. PERFORMED ENGINE RUNS NO DEFECTS NOTED AT THIS TIME. OPS CHECK GOOD.Sep 2, 2005 · N301CE · Saab 340BSDR CA051006005Packing · failed(CAN) ON TAXI, CABIN AIR BECAME CONTAMINATED WITH SMOKE. SUBSEQUENT INSPECTION REVEALED A HARDENED AND BROKEN N1 PROBE O-RING PACKING.Sep 1, 2005 · Fokker F27MK50SDR ALG2005F00065Indicator · failedON TAKEOFF, NG INDICATOR PEGGED OUT. RETURNED TO BASE AND NOTIFIED MAINTENANCE. REMOVED AND REPLACED INDICATOR WITH SERVICEABLE UNIT. FUNCTIONAL CHECK OK. IAW MM. (K)Aug 24, 2005 · N577AL · Bell 407SDR UPS05444912Indication Sys · malfunctionedNR 3 ENG N2 REACH 112 PERCENT DURING DEPARTURE. THRUST REVERSE LEVERS IDLE AND N2 WAS 10 PERCENT OR HIGHER THAN OTHER ENGS. NR 3 ENG SHUTDOWN AND RETURNED TO FIELD. DUMPED FUEL AND DECLARED EMERGENCY. ATB, INTERCHANGED ENG NR 2 AND 3 N2 INDS. ENG GRND RUN UPJul 17, 2005 · N675UP · Boeing 747123F
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