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 ASAA12511673Sensor · intermittentNR 2 VIBRATION INDICATION MISSING INTERMITTENTLY AFTER ENGINE START. GROUNDED, RAN NR 2 ENG NR 2 N2 AND NR 2 VIBE INDICATIONS WENT BLANK. VIBE MONITOR FAULTED N2 TACH LOSS NR 2 DEFAULTED 31-63160, NR 2 ENG RPM INVALID. REPLACED N2 SPEED SENSOR NR 2 ENG REF Jun 8, 2012 · N586AS · Boeing 737890SDR CA120817004Tachometer · failed(CAN) CO-PILOT DUAL TACH N2 ENGINE RPM NEEDLE, FLUCUATES FROM 0 TO 50 PERCENT THEN STICKS.Jun 6, 2012 · Bell 205A1SDR HNAA2012042300747Indication Sys · malfunctionedNR 1 NL INDICATOR EXCEEDED LIMITATIONS ON TAKEOFF ROLL. ABORTED TAKEOFF, ACFT RETURNED TO GATE WITH OUT CALLING MX FIRST. INDICATOR WAS R & R PRIOR TO DEPARTURE. SLAVED IN NEW NL GAUGE, NO FIX. R & R NL PROBE IAW MM 72-01-60.Apr 23, 2012 · N329EN · Dhav DHC8103SDR HNAA2012042300745Indicator · fluctuatesABORTED TAKEOFF DUE TO NR 1 ENGINE TORQUE FLUX 20-40-PERCENT. OTHER PARAMETERS NORMAL. R & R NR 1 TORQUE INDICATOR IAW MM 77-10-00. GROUND RAN ACFT. OPS CHECKED GOOD AT THIS TIME. OK FOR SERVICE.Apr 23, 2012 · N934HA · Dhav DHC8102SDR CALA2012041600267Sensor · failed12 MIN AFTER T/D LEVEL AT FL230 THE LEFT ENG BLEED OFF LIGHT CAME ON, AS WELL AS THE L CENTER FUEL PUMP PRESSURE LIGHT AS WELL AS 0 ON THE N3 INDICATOR AND ZERO ON STDBY N3 INDICATOR. REMOVED AND REPLACED N3 (HP) TACHOMETER TRANSMITTER AT NR 1 ENG PER AMM 77-Apr 16, 2012 · N33132 · Boeing 757224SDR 2012F00067Transducer · inoperativeON THE LAST LEG OF THE TRIP, ON START UP, THE RT ENGINE COMPUTER INOPERATIVE LIGHT ILLUMINATED. FOUND BAD N2 TRANSDUCER. REPLACED THE TRANSDUCER, OPS CHECKED GOOD.Mar 29, 2012 · N801RM · Braero BAE125800ASDR FDEA201203100867Transmitter · crackedON TAKEOFF ROLL, NR 1 ENGING OVERLIMIT ON ECAM TOLD TO REDUCE POWER TO CLR WARNING LOW SPEED ABORT 85 KTS. OPENED RT FAN COWL IAW MM CH 71-13-00 AND FOUND N1 TACHOMETER TRANSMITTER CRACKED. REPLACED NR 1 ENGINE N1 TACHOMETER TRANSMITTER, REF MM 77-11-01-04Mar 10, 2012 · N419FE · Airbus A310222SDR UALA2012010900210Circuit Card · faultyR ENG BLEED OFF EICAS MSG ON TAKEOFF. REPLACE R ENGINE SPEED CARD. RAN ENGINE PER JRH, OPS CKS OKAY.Jan 8, 2012 · N543UA · Boeing 757222SDR NACA20110052Indicator · defectiveABORTED TAKEOFF DUE TO FAULTY N1 GUAGE READING NO HIGHER THAN 50 PERCENT. REPLACED NR 1 ENGINE N1 GAUGE.Dec 23, 2011 · N322DL · Boeing 737232SDR FDEA201112215413Indicator · malfunctionedNR 1 N1 ANALOG NEEDLE WOULD NOT INCREASE ABOVE 45 PERCENT ON TAKEOFF. R& R NR1 ENG N1 GAUGE REF MM 77-11-21-04; OPS CHECKS GOOD. OK FOR SERVICE.Dec 21, 2011 · N668FE · Airbus A300F4605RSDR AALA20111206MIA01Tach Generator · failedMIA - CREW REPORTED RIGHT N-3 ROLLED BACK TO 0 ACCOMPANIED BY RIGHT ENGINE BLEED MESSAGE. CENTER RIGHT FUEL PUMP AND LEFT YAW DAMPER INOPERATIVE. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED N3 TACDec 5, 2011 · N185AN · Boeing 757223SDR FDEA201111154928Sensor · failedNR 3 ENGINE N1 GAUGE FAILED ON DEPARTURE ROLL ALONG WITH AUTOTHROTTLE OFF - "VIA 1 FAIL" AND "VIA 2 FAIL" LEVEL 1 ALERTS. VIA 1 FAULT HISTORY SHOWED NR 3 ENGINE N1 DISAGREE AND VIA 2 SHOWED NR 3 ENGINE N1 INTERMITTANT. FCC'S 1 & 2 LIST NR 3 ENG TACH FAULT Nov 15, 2011 · N68057 · Doug MD1010FSDR 2011FA0000688Tachometer · inoperativeACFT IN SHOP FOR ANNUAL INSPECTION. REPLACED MALFUNCTIONING TACHOMETER WITH A NEW TACHOMETER, PN D1-112-5025, SN 25479. FAA-PMA. RAN THE ENGINE--TACHOMETER READINGS WERE VERY SLUGGISH AND WITH SEVERE LAG. TACHOMETER REMOVED FROM THE ACFT AND RETURNED TO THE DIOct 18, 2011 · Cessna 152SDR NSVA2011227Sensor · failedABORTED TAKEOFF AT 80KLS BECAUSE RIGHT PROP RPM DROPPED TO ZERO. RPM RECOVERED AFTER CLEARING RUNWAY. REMOVED AND REPLACED RIGHT ENGINE NP SENSOR IAW GE MM 74-00-00 AND CHECKED WIRING FROM DECU TO SPEED SENSOR AND NP GAUGE. OPERATIONAL CHECK IS GOOD. NO LESep 19, 2011 · N210CJ · Saab 340BSDR FDEA201108313593Sensor · failedFIVE MINUTES INTO CRUISE NR 3 ENGINE SHOWED N1 EXCEEDANCE UP TO 209.3 PERCENT BROUGHT NR 3 THROTTLE TO IDLE. INDICATIONS CAME BACK TO NORMAL, FIVE MINUTES LATER NR 3 N1 JUMPED AROUND THEN BACK TO NORMAL FOR REST OF FLIGHT. TROUBLESHOT IAW FIM MANUAL 77-11-Aug 31, 2011 · N68049 · Doug MD1010FSDR CA110707002Magneto · malfunctionedDUAL TACH INDICATED ENGINE RPM OF 103 PERCENT WITH ROTOR RPM OF 100 PERCENT. RT MAGNETO REPLACED.Jun 28, 2011 · Robsin R44RAVENIISDR UALA2011062403126Circuit Card · malfunctionedIDLE DISAGREE EICAS ON DESCENT LT N2=75, RT N2=70. REPLACED NR 1 ENG SPEED CARD PER SAMC, TESTS OKAY. NO MESSAGE NOTED.Jun 23, 2011 · N643UA · Boeing 767322SDR DYV2011F00000Tach Generator · malfunctionedTHIS REPORT IS A SUPPLEMENT FROM 10 JUNE, 2011: THE PROP RPM INDICATION HAS FUNCTIONED NORMALLY SINCE THE INITIAL REPAIR OF THE ERRONIOUS INDICATION. THE PROP TACH GENERATOR WAS REPLACED WITH AN O/H PART. THE TIME SINCE NEW AND O/H ON THE FAILED PART IS UNKJun 22, 2011 · N1083S · Beech C90ASDR HALA2011060900256Tach Generator · erraticETOPS SIGNIFICANT SYS - DURING ENGINE START NR1 ENGINE, N1 FLUXUATES ERRACTICALLY. T/S 77-12, FIG 104 R & R N1 TACK GEN IAW AMM 77-12-02. WRANG WIRING IAW WD 77-12-11. NO PR'S NOTED. R & R EEC, N1 CKD GOOD, IAW AMM 73-21-11. OPS CKD GOOD.Jun 9, 2011 · N598HA · Boeing 767332SDR IPXA1567064Tach Generator · unserviceableATB DUE TO LOSS OF N3 INDICATION EICAS AND STBY READ ZERO, SIMUTANEOUSLY LOST LT ENGINE BLEED AND LT CTR FUEL BOOST PUMP. REPLACED LT N3 TACC GENERATOR IAW AMM 77-12-02-4. OPS NORMAL.Jun 7, 2011 · N468UP · Boeing 75724APFSDR UALA2011060302714Circuit Card · faultyLEFT ENG SPEED CARD IS FAULTY. REPLACED LEFT SPEED CARD.Jun 3, 2011 · N662UA · Boeing 767322SDR 2011FA0000403Cable · looseAIRCRAFT LOST OIL IN FLIGHT, WAS ABLE TO MAKE IT TO ITS FINAL DESTINATION. THE AIRCRAFT LANDED SAFELY AT AN ALTERNATE AIRPORT. A MECHANIC AT THE AIRPORT HAD DISCOVERED THE TACH DRIVE HOUSING AND TACH CABLE HAD COME LOOSE. THE ENGINE WAS REMOVED AND RETURNEDMay 17, 2011 · N735DJ · Cessna 182QSDR CA130116008Tachometer · reads low(CAN) LT ENGINE TACHOMETER FOUND TO BE READING ENGINE RPM 200 RPM LOW WHEN TESTED WITH STROBE TACHOMETER CHECKER. OLD TACHOMETER R & R, THE INSTALLED TACHOMETER WAS FUNCTION CHECKED SERVICEABLE WITH STROBE TACHOMETER CHECKER.Apr 19, 2011 · Piper PA44180SDR UALA2011041501817Circuit Card · faultyRTBL, RT ENG SPEED CARD STS MSG WITH ENGINE RUNNING. FOUND POPPED CB "D24" (ENGINE SPEED SENSE R1) ON P11-4 PANEL, CB WILL NOT RESET. REPLACED N2 SPEED CARD PER MM.Apr 13, 2011 · N648UA · Boeing 767322SDR CA110317001Tachometer · faulty(CAN) TACHOMETER UNDER READING RPM.Mar 15, 2011 · Diamon DA20C1SDR SFOA77N2MONOMonopole · faultyAFTER DEPARTURE FROM AIRPORT THE RT ENGINE COMPUTER ANNUNCIATOR ILLUMINATED. FOLLOWING AFM PROCEDURES THE COMPUTER WAS RESET AND THE LIGHT EXTINGUISHED. A SHORT TIME LATER THE ANNUNCIATOR ILLUMINATED AGAIN AND WAS AGAIN RESET. ALL OTHER ENGINE INDICATIONS WMar 7, 2011 · N77SF · Amd FALCON10SDR MYWA100120Indicator · intermittentETOPS SIGNIFICANT SYSTEM: NR 2 ENGINE N1 INDICATOR INTERMITTANT.Nov 23, 2010 · N752MA · Boeing 73748ESDR CA101118001Tach Generator · failedRPM INDICATION FELL OFFLINE ON THE TAKEOFF ROLL.Nov 12, 2010 · Bag JETSTM3112SDR AALA20100802SJU02Tach Generator · defectiveSJU - INFLIGHT BGI-MIA. CREW REPORTED RIGHT ENGINE N3 ERRATIC IN FLIGHT, VARIES FROM 86 PERCENT TO 71 PERCENT. FLIGHT DIVERTED SJU LANDED WITHOUT INCIDENT. REPLACED NUMBER TWO N3 TACH-GENERATOR. SYSTEM GROUND CHECK NORMAL OPERATION.Aug 2, 2010 · N627AA · Boeing 757223SDR ASAA1058061Sensor · faultyAFTER ENGINE START NUMBER 1 ENG VIB MONITOR INDICATION WAS OBSERVED WITH READING (BLANK) NO INDICATION. NUMBER 2 INDICATION 0.2. THE ENG VIB MONITOR CB ON P6 2 A 2 WAS VERIFIED IN. THE NUMBER 1 INDICATION RETURNED TO NORMAL DURING TAXI. ACCOMPLISHED FIM TAJul 14, 2010 · N586AS · Boeing 737890SDR UALA2010070602405Circuit Card · defectiveLEFT ENG BLEED VALVE OFF LIGHT ON WITH POWER AT IDLE IN DESCENT. RESET PER CHECKLIST OK. REPLACED LT ENG N2 SPEED CARD. RAN ENG ALL PRESSURES AND INDICATIONS NORMAL.Jul 3, 2010 · N596UA · Boeing 757222SDR AALA20100605JFK01Tach Generator · faultyJFK - CREW REPORTED LEFT ENGINE BLEED SURGE AND LEFT CENTER FUEL PUMP FAILED WITH RIGHT FORWARD FUEL PUMP ON PLACARD. FLIGHT RETURNED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED N3 TACHOMETER GENERATOR ON LEFT ENGINE. SYSTEM GROUNDJun 4, 2010 · N198AA · Boeing 757223SDR CA101230005Tachometer · failed(CAN) ON FLIGHT, THE PILOT REPORTED THE TACHOMETER HAD FAILED. THE TACHOMETER WAS REPLACED AND NO FURTHER INCIDENT PREVAILED.Mar 4, 2010 · Cessna U206FSDR DL76G100148Circuit Card · malfunctionedDIVERT TO LT R DUE TO WRONG MEL APPLIED TO -L ENG ANALOG N2- STATUS MSG IN FRA. REPLACED L ENG N2 SPEED CARD IAW MM TASK 73-21-54-004-001- H00 MCO AND PLACARD REMOVED RAN ENG N2 INDICATION NOW, NORMAL. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.Jan 21, 2010 · N178DZ · Boeing 767332SDR FDEA200909263389Sensor · failedFLT 3707. NR 2 ENGINE ROLLED BACK ON TAKEOFF, MAX N1 WAS 84 PERCENT, ENGINE FAIL LIGHT ON. CKED VIA'S AND HAD NR 2 ENG N1 FAILED MSG -PROBABLE CAUSE ENG 2 TACHOMETER. REPLACED NR 2 ENG FAN SPEED SENSOR/N1 TACH PER AMM 77-11-01-2 OPS CKS NRML, RAN ENG TO T/Sep 26, 2009 · N564FE · Doug MD1010FSDR HALA2009072400324Sensor · malfunctionedENG L SYS FAIL ALERT WHILE AIRBORNE. BITE CK EEC-1. FOUND MSG 771202. ACCOMP FIM 77-12 TASK 802. REMOVED AND REPLACED N2 SPEED SENSOR CH B, RAN ENGINE NR 1 ON GROUND. OPS CK OK.Jul 24, 2009 · N489HA · Boeing 717200SDR DL76L091058Circuit Card · failedL ENG SPEED CARD STATUAS MESSAGE. R & R LT ENG SPEED CARD PER AMM. PERFORMED SPEED CARD TESTS.ALL CHECKS NORMAL. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS.Jun 21, 2009 · N189DN · Boeing 767332SDR CA090602003Points · faulty(CAN) ENGINE TACH WAS NOT READING AND THE GOVERNOR WAS NOT WORKING. TACH POINTS ON THE MAGNETO FOUND FAULTY UPON REMOVAL AND INSPECTION.May 27, 2009 · Robsin R44RAVENIISDR CA090602005Controller · inoperative(CAN) ENGINE RPM HUNTING, GOVERNOR CONTROL UNIT REPLACED.May 23, 2009 · Robsin R44RAVENIISDR GLBA200930041Indicator · erraticIN CRUISE AT 2300 NR 1 TORQUE GAUGE WAS FLUCTUATING 200-300FT/LBS. COULD HEAR THE CHANGE IN TORQUE. OCCURRED WITH PROP SYNC ON AND OFF. WHEN TORQUE BELOW 2500FT/LBS IN DESCENT ALL PWR CHANGE DECREASES AN ADDITIONAL 300FT/LBS WITHOUT BEING COMMANDED WITH POWER Apr 30, 2009 · N201GL · Beech 1900DSDR 2009FA0000296Packing · missingNOTED OIL LEAKAGE AROUND LOWER N2 SPEED SENSOR DURING SCHEDULED INITIAL AIRFRAME/ENGINE INSPECTION. FOUND O-RING SEAL MISSING FROM SPEED SENSOR (REF. JT15D-5/-5R IPC 73-20-05 FIG. 1, ITEM 30). ENGINE RECORDS NOT AVAILABLE, CANNOT VERIFY WHETHER SENSOR REMOVED Apr 16, 2009 · N449TM · Beech 400ASDR IXXA090017OIndicator · defectiveDURING TAKEOFF ROLL FROM KWRI NUMBER THREE ENGINE N2 ROLLED BACK, EPR FLUCTUATED. THE CREW REJECTED TAKEOFF AND RETURNED TO BLOCKS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED N2 INDICATOR. OPERATIONAL CHECK GOOD IAW DACO MAINTENANCE MANUAL 77-12-0. AIRCApr 13, 2009 · N41CX · Doug DC862FSDR DL76G090323Sensor · contaminatedON CLIMB-OUT FROM JFK PASSING 8000 FT RT ENG STARTED SURGING. STATUS MSG R ENG CONTROL. DECLARED EMERGENCY AND RETURNED TO JFK. ENG WAS NOT S/D. OVERWEIGHT LANDING. R PIMU FAULTS T2.5 SNSR. (CIT) REPLACED SAME. REMOVED AND REPLACED N1 PROBE. BOROSCOPE Feb 28, 2009 · N173DZ · Boeing 767332SDR EVCA-2009/02/06Tach Generator · damagedHYDRAULIC FAILURE. FEMALE SPLINES OF TACHOMETER GENERATOR FAILED CAUSING DISCONNECT OF HYDRAULIC PUMP DRIVE.Feb 5, 2009 · N124AE · Bell 206B3SDR USAABB09011Tach Generator · malfunctionedHNL - FLT 125 EN ROUTE HNL TO PHX. WHILE CLIMBING OUT OF FL 250, THE LEFT ENGINE BLEED LIGHT ILLUMINATED, FOLLOWED BY A LEFT CENTER FUEL PUMP PRESSURE LIGHT. SHORTLY AFTERWARDS, THE LEFT N3 INDICATION WAS ZERO. THE FLIGHT RETURNED TO FIELD HNL. UPON LANDIJan 23, 2009 · N901AW · Boeing 7572S7SDR DL76L081716Circuit Card · malfunctionedSTATUS MSG R ENG SPEED CARD. PERFORMED EICAS AUTO/ERASE. MSG CLEARED. RERACKED CARD AND PERFORMED RT ENG SPEED CARD TEST CH 1 AND CH 2. RAN ENG AT GATE. ALL OPS CHECK NORMAL NOW.Dec 12, 2008 · N195DN · Boeing 767332SDR MASA2008112900792Amplifier · malfunctionedASH FLT 7146 ORD-TYS. CREW DIVERTED TO SDF AND DECLARED AN EMERGENCY DUE TO NR ENGINE SPEED FLUCTUATING. MX PERFORMED ENGINE RUNS AND OPS CHECKED. MX REPLACED A BAD AMPLIFIER.Nov 29, 2008 · N571ML · Cndair CL6002B19SDR CA081020011Tachometer · malfunctioned(CAN) DURING DESCENT FROM ALTITUDE TO BEGIN LOW LEVEL FLIGHT FOR PIPE LINE SURVEILLANCE AT APPROX. 75 KNOTS INDICATED AIRSPEED AND VSI AT APPROX. 500 FPM, THE ENGINE RPM TACH INDICATED ENGINE OVERSPEED WELL ABOVE 110%. ALL OTHER ENGINE PARAMETERS REGISTERED WIOct 16, 2008 · Robsin R44RAVENIISDR ASAA0853403Sensor · faultedAIRCRAFT DISPLAYS DOWNGRADED SHOWS NO N2 ON EITHER ENGINE. REGULAR METHODS TO RESTORE FAILED. VERIFIED PROBLEM CW MM FIM 73 00 00 810 801 F100 NO RECENT FAULTS, NO FAULT HISTORY AND NO MAINT HISTORY. DISPLAY RESET TO NORMAL. RAN BOTH ENGINES, ALL CHECKS NOAug 22, 2008 · N559AS · Boeing 737890SDR COE2008F00001Indicator · failedABORTED TAKEOFF, FLT NR 8202: DURING TAKEOFF ROLL THE CREW NOTICED THAT ANALOG PORTION ON THE NR 2 ENGINE TORQUE GAGE WAS INOPERATIVE. TAKEOFF WAS ABORTED AND THE AC WAS SAFELY TAXIED BACK TO THE BLOCKS. REMOVED AND REPLACED THE TORQUE GAUGE. (K)Jul 14, 2008 · N919FX · Aerosp ATR42300
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