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 YV3R2022091400536Governor · faultedCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 ARM FRICTION WAS HIGH.Aug 24, 2022 · Robsin R44SDR QR9R20220706001Sensor · illuminatedENGINE #2 OVSP FAIL CAUTION LIGHT ILLUMINATED AT HOVER. REMOVED AND REPLACED MAGNETIC SENSOR IAW MM VOL 4 77-14-00-900-802-A01. TEST FLIGHT SUCCESSFULLY COMPLETED IAW 05-60-00, 6-1.Jul 6, 2022 · Bolkms BK117C2SDR QR9R20220623002Indicator · failedAPPROXIMATELY 1 HOUR INTO THE FLIGHT THE THE TRIPLE TACH (NR, N2 FOR BOTH ENG) DECREASED TO ZERO WITH NO OTHER INDICATIONS. REMOVED AND REPLACED TRIPLE INDICATOR IAW AMM 62-41-00, 4-3. MOC SUCCESSFULLY COMPLETED IAW RFM AND USAACE CKLIST.Jun 23, 2022 · Bolkms BK117C2SDR YV3R2022071100532None · defectiveCUSTOMER REPORTED GOVERNOR CONTROLLER ASSEMBLY P/N: D278-2 RUNS TO 106%.Jun 16, 2022 · Robsin R44RAVENIISDR QR9R20220603001Sensor · illuminatedDURING TAXI, OVSP FAIL CAUTION ILLUMINATED FOR #1 ENGINE. TROUBLESHOT AND WOULD NOT EXTINGUISH. REMOVED AND REPLACED MAGNETIC SENSOR IAW EMM 77-14-00-900-802-A01. TEST FLIGHT SUCCESSFULLY COMPLETED.Jun 3, 2022 · Bolkms BK117C2SDR YV3R2022061000531None · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 MOVING FRICTION WAS LOW. BENCH TESTING RESULTS DETERMINED THE FRICTION TO BE HIGH AT 15.0 IN -LBS.May 27, 2022 · N479SH · Robsin R22BETAIISDR DALA2022052403612None · noneSHIP 3118 -RTO- REJECTED TAKEOFF AT 100 KNOTS FOR RIGHT ENGINE ROLL BACK. RIGHT ENGINE ROLL BACK WITH EGT CLIMBING IN TO THE RED. FOUND N2 SPEED EXCEEDED LIMITS OF 106.7% N2. CORRECTIVE ACTION: REPLACED #2 ENGINE REF W/C 7100-9901RT.(8640008)May 23, 2022 · N318NB · Airbus A319114SDR QR9R20220509002Sensor · illuminatedDURING RUN-UP, OVSP FAIL LIGHT ILLUMINATED AND COULD NOT BE RESET. REMOVED AND REPLACED MAGNETIC SENSOR IAW 77-14-00-900-802-A01. T/F MOC COMPLETED IAW AMM 05-60-00, 6-12.May 9, 2022 · Bolkms BK117C2SDR YV3R2022050400526None · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 WAS UNSERVICEABLE.Apr 21, 2022 · Robsin R44RAVENIISDR QR9R20220413001Sensor · warning lightOVERSPEED FAIL LIGHT ILLUMINATED FOR #1 ENGINE AFTER STARTING #2 ENGINE. REMOVED AND REPLACED #1 MAGNETIC SENSOR IAW ENGINE MANUAL 77-14-00-900-802-A01. MOC SUCCESSFULLY COMPLETED.Apr 13, 2022 · Bolkms BK117C2SDR QR9R20220112003Sensor · out of toleranceOVERSPEED FAIL 3 TIMES IN 15 MINUTES DURING RUN-UP. DURING TROUBLESHOOTING, WHEN MEASURING THE #1 OVERSPEED SENSOR BETWEEN PINS 2 AND 3 IT READ 42 OHMS, WHICH IS OUT OF TOLERANCE. INSTALLED NEW #1 SIDE ENGINE OVERSPEED SENSOR IAW ENGINE MANUAL 77-14-00-900-802Jan 12, 2022 · Bolkms BK117C2SDR YV3R2022011000507None · noneCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 OCCASIONALLY ROLLED OFF WHEN COLD.Dec 14, 2021 · N329JK · Robsin R44RAVENIISDR YV3R2022011000506None · noneGOVERNOR CONTROLLER P/N: D278-1 UNRESPONSIVE DURING AUTOROTATION RECOVERY TRAINING.Dec 14, 2021 · Robsin R22SDR QR9R20211210002Indicator · faultyN2 INDICATIONS BOTH ENGINES ON TRIPLE TAC INOP / WENT TO ZERO IN FLIGHT. REPLACED TRIPLE INDICATOR RPM IAW AMM 62-41-00, 4-3. T/F COMPLETED IAW AMM 05-60-00, 6-12, CHECK FOUND GOOD.Dec 10, 2021 · Bolkms BK117C2SDR YV3R2022011000505None · noneDURING MAINTENANCE GROUND RUN, GOVERNOR CONTROLLER P/N: D278-2 INDICATED HIGH RPM WITH INDICATOR NEEDLE ON THE RED ARC.Nov 30, 2021 · Robsin R44RAVENIISDR VGCA20211119001None · noneDURING TAKE OFF, THE RH ENGINE RPM DROPPED TO 13,400. ENGINE RPM RECOVED WHEN PROP SYNC IS SELECTED OFFNov 19, 2021 · N171FL · Cvac 580SDR YV3R2021112000502None · noneCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-1 ALLOWED RPM'S TO KEEP CLIMBING.Nov 5, 2021 · Robsin R44SDR QR9R20211029009Sensor · out of limitsDURING RUN-UP, OVERSPEED FAIL ON CAD # 1 (SENSOR TEST OUT OF LIMIT ON PINS 4-5, READS 222-224.5). REPLACED MAGNETIC SENSOR (ARRIEL SPC: 77-14-00-01-020C) IAW 77-14-00-900-802-A01 MOC OK.Oct 29, 2021 · Bolkms BK117C2SDR QR9R20211028002Indicator · faultyON SHORT FINAL, N1 NEEDLE ON TRIPLE TACH STUCK AT 69%. T/F EVALUATION REVEALED TRIPLE TACH #1 NEEDLE WAS FOUND STUCK AT 69% IN STATIC CONFIGURATION. #1 NEEDLE FELL TO ZERO AND WOULD NOT MOVE DURING TRIPLE TACH CHECK UPON APPLICATION OF BATTERY POWER. REPLACED Oct 28, 2021 · Bolkms BK117C2SDR YENA2021111000750Sensor · failedFLT 2824, LAX-JFK. ENG FADEC 1 CAME ON INFLIGHT FOR ABOUT 3 MINUTES. NO OTHER UNUSUAL PARAMETERS; PERFORMED TROUBLESHOOTING PER TSM 77-11-00-710-057-A NO FAULTS FOUND. NO MAINTENANCE MESSAGE ON MCDU EXAMINED HARNESS. NO FAULTS FOUND. OK FOR CONT SVC. TROUBLESHOct 26, 2021 · N4058J · Airbus A321271NSDR YV3R2021110900499None · noneCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2, ENGINE INDICATION HIGH AND UNABLE TO ADJUST.Oct 1, 2021 · Robsin R44RAVENIISDR YV3R2021100700496None · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 WILL NOT MAINTAIN RPM.Sep 22, 2021 · Robsin R44RAVENIISDR YV3R2021082800484Governor · defectiveCUSTOMER REPORTED GOVERNOR CONTROLLER ASSEMBLY P/N: B286-2 WAS DEFECTIVE. UPON BENCH TESTING, DUTY CYCLE AND SYMMETRY WERE FOUND OUT OF TOLERANCE.Aug 24, 2021 · Robsin R22BETAIISDR UIEA2021081301793Warning Message · false activationSTATUS MSG R ENG ANALOG N2(<P>T/S PER FIM 77-12 TREE 809, MSG CLEARS. NO FAULTS NOTED. SYS OK FOR SVC.</P>)Aug 13, 2021 · N641GT · Boeing 76738ESDR P5CA2021081300315Circuit Card · faultedSTS MSG #2 ENG SPEED CARD DISPLAYED(<P>PER FIM 73-21 FAULT TREE 871. REPLACED ENGINE N2 SPEED CARD PER AMM 73-21-54. PRM ENG N2 SPEED CARD, TEST NML, MSG GONE.</P>)Aug 13, 2021 · N644GT · Boeing 7673JHFSDR P5CA2021081600316Circuit Card · faultedSTS MSG: L ENG SPEED CARD DISPLAY.(<P>PER FIM 73-21 FAULT TREE 871 REPLACED L ENGINE N2 SPEED CARD PER AMM 73-21-54. PERF L ENG N2 SPEED CARD TEST AND TEST NML. MSG GONE.</P>)Aug 13, 2021 · N644GT · Boeing 7673JHFSDR UIEA2021073101660Circuit Card · not seatedR ENG SPEED CARD STATUS(<P>RERACKED N2 SPEED CARD IAW 73-21-54, MSG CLEARED. PERFORMED FIM TASK 73-21 FT 871 UP TO BLOCK 44. OPS CHECK NORMAL.</P>)Jul 31, 2021 · N1399A · Boeing 767306SDR ASAA2021062135164Sensor · faultedDURING TASK CARD #78273000 ACCOMPLISHMENT, FOUND FAULT CODE 77-11172 ON # 2 ENGINE, THE N1 SIGNAL IS OUT OF RANGE, THIS IS A LONG TIME FAULT. GROUNDED - YES. VERIFIED DEFECT, FAULT LOGGED ON EVERY LEG. REMOVED AND REPLACED #2 ENG N1 SPEED SENSOR REF B737-800 AJun 21, 2021 · N529AS · Boeing 737890SDR UIEA2021060701284Circuit Card · faultedL ENG ANALOG N2 STATUS MESSAGE 2+10 IN FLIGHT(<P>PERFORMED FIM 73-21 FT901 RESISTANCE CHECK GOOD B/W PINS 3&4 ON N2 SPEED SENSOR.PERFORMED ENG RUN IAW AMM 71-00-00 MSG REMAINED.REMOVED AND REPLACED L ENG N2 SPEED CARD IAW WDM 77-12-12.AFTER MULTIPLE ENG RUNS SJun 5, 2021 · N1409A · Boeing 767306SDR UIEA2021060701283Circuit Card · faultedR ENG ANALOG N2 STATUS MESSAGE 0+30 IN FLIGHT(<P>PREFORMED FIM 73-21 FT 901 RESISTANCE BETWEEN PIN 3 AND 4 ON N2 SPEED SENSOR RESISTANCE CHECK GOOD, PERFORMED ENGINE RUN IAW AMM 71-00-00 STATUS MESSAGE REMAINED. REMOVED AD REPLACED RIGHT ENGINE N2 ENGINE SPEEDJun 5, 2021 · N1409A · Boeing 767306SDR YV3R2021060900460Governor · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 WAS INTERMITTENT.May 27, 2021 · Robsin R44RAVENIISDR ASAA2021051734831Sensor · inoperativeWHILE PERFORMING T.C. # 08031001, AEVM DISPLAYED MSG "N1 TACHO LOSS E1," ON LEGS 0, 1, AND 2. SYSTEM TEST OK. GROUNDED - YES. REMOVED AND REPLACED N1 SPEED SENSOR PER B737-800 AMM 77-11-01-400-801-F00. OPS AND LEAK CHECK GOOD. NO FAULTS LOGGED.May 17, 2021 · N513AS · Boeing 737890SDR YV3R2021052800456Controller · failedCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 FAILED IN FLIGHT.May 13, 2021 · Robsin R44RAVENIISDR YV3R2021052800455Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 WAS INOPERATIVE.May 11, 2021 · Robsin R44RAVENIISDR UIEA2021043001029Warning Message · false indication"OVERSPEED" EICAS WARNING FLASHED ON #2 ENG START. C/W FIM 71-08 FAULT TREE 801, A/C OK FOR RETURN TO SERVICE.Apr 29, 2021 · N1511A · Boeing 767383SDR AALA202103129007Sensor · inoperativeAIRCRAFT WAS GROUNDED: ABORTED TAKE-OFF AT 100 KNOTS ON ACCOUNT OF ENGINE VIBRATION DUE TO POSSIBLE BIRD STRIKE. AIRCRAFT HAS RETURNED TO GATE AND MAINTENANCE TO BE EVALUATED. REMOVED AND REPLACED NUMBER 1 ENGINE N2 SPEED SENSOR PER AMM 77-11-20.Mar 11, 2021 · N9012 · Airbus A319115SDR YV3R2021022200438Governor · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 WAS INTERMITTENT.Feb 16, 2021 · Robsin R44RAVENIISDR YV3R2021022200434Governor · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY (GOVERNOR) PN: D278-1 WAS INOPERATIVE WHEN TURNED ON ABOVE 80%.Feb 10, 2021 · N888SN · Robsin R44SDR AWKA2021013001Sense Line · looseFLIGHT CREW NOTED DURING CLIMB OUT THAT THE ENGINES DIDN’T APPEAR TO BE SYNCHRONIZED VERY WELL. ONCE THEY ACHIEVED CRUISE ALTITUDE, SMALL ADJUSTMENTS WERE MADE TO BOTH ENGINE POWER SETTINGS. IT THEN BECAME APPARENT THAT IF THE POWER WAS REDUCED ON THE LEFT EJan 28, 2021 · N547XJ · Bombdr BD1001A10SDR UIEA2021012900149Card · warning messageRT ENGINE SPEED CARD MESSAGE. PERFORMED ENG SPEED CARD TEST, PER FIM 73-21 FAULT TREE 871. OPERATIONS CHECK GOOD. PERFORMED ENGINE RUN ON NR 2 ENGINE, PER AMM 71-00-00-862-053-H03. OPERATIONS CHECK GOOD. VERIFIED NO FAULTS WERE FOUND DURING OPERATIONS CHEJan 28, 2021 · N1229A · Boeing 767306SDR UIEA2021012700138Card · failedPROBE HEAT AFTER ENGINE START. PERFORMED FIM 30-31-FT-807. FOUND SPEED CARD BAD. REMOVED AND REPLACED SPEED CARD, IAW M/M 73-21-54. OPERATIONS CHECK GOOD.Jan 27, 2021 · N1229A · Boeing 767306SDR UIEA2021012400112Switch · failedREV DISPLAYED ABOVE LEFT ENGINE N1 GAUGE NORMAL REVERSE WORKED ON LANDING. TRANSFERED TO MDDR 141401, IAW MEL 78-31-01 CAT C, DUE 04FEB21 PLACARD INSTALLED MX PROCEDURE C/W. REMOVED NR 1 TR OUTBOARD SWITCH, PER B767 AMM 78-36-01 AND REPLACED W/78-36-01. OPEJan 25, 2021 · N1181A · Boeing 7673Y0SDR YV3R2021010700413Controller · defectiveCUSTOMER REPORTED GOVERNOR CONTROLLER ASSEMBLY P/N: B286-2 LIGHT WAS INOPERABLE.Dec 17, 2020 · N432LE · Robsin R22BETAIISDR B4VR202011114405Snap Ring · brokenWHEN DRAINING THE OIL ON THIS ENGINE WE NOTICED A BROKEN METAL SNAP RING IN THE OIL. AFTER INVESTIGATION WE FOUND IT WAS THE SNAP RING FROM ACCESSORIES CASE FOR THE TACH CABLE. SOME HOW IT BROKE AND MADE ITS WAY INTO THE OIL SYSTEM.Nov 10, 2020 · N4405E · Piper PA44180SDR YV3R2020111000380Controller · defectiveROBINSON HELICOPTER FOUND DURING TROUBLESHOOTING GOVERNOR CONTROLLER ASSEMBLY P/N: B286-2 INOPERATIVE.Nov 2, 2020 · Robsin R22BETAIISDR JIKA2020102801Tach Generator · false indicationSHORTLY AFTER TAKEOFF FROM KLAN, NR 1 ENGINE PROP RPM DROPPED OFF 200-400 FT/LBS OF TORQUE LESS THAN THE NR 2 ENGINE. ADDITIONALLY, UPON ADJUSTING THE POWER AND PROPS TO MATCH IN PHYSICAL LOCATION, AND THEN FINE TUNING TO NULLIFY THE ASYMMETRICAL PROP HARMONIOct 28, 2020 · N2049K · Beech 1900CSDR YV3R2020082800334Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 DOES NOT STOP AT 104% RPM.Aug 21, 2020 · Robsin R44RAVENIISDR YV3R2020082400330Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: B286-2 WAS DEFECTIVE.Aug 17, 2020 · Robsin R22BETAIISDR YV3R2020082000326Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-1 WAS HUNTING DURING OPERATION, NOT FUNCTIONING PROPERLY.Jul 29, 2020 · N8369F · Robsin R44ASTROSDR HALA2020073000160Probe · malfunctionedRIGHT ENGINE IGNITER INTERMITTENTLY COMES ON IN IDLE DURING DESCENT. PERFORMED FIM 72-00, TASK 803, REMOVED & REPLACED N2 SPEED PROBE IAW AMM 77-12-01, OPS & LEAK CHECKED GOOD, OK FOR SERVICE.Jul 29, 2020 · N490HA · Boeing 717200
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