# Service difficulty reports: JASC 7712

A list on [JASC 7712](https://openairdocs.org/jasc/7712.md).

Reports filed under 7712 · Engine BMEP/Torque Indicating, newest first.

Page 1 of 25 · 1,239 reports

- [SDR QR9R2026031300001](https://openairdocs.org/sdr/QR9R2026031300001.md): Torque Box · malfunctioned · Mar 13, 2026 · Bolkms BK117C2
  > ENGINE PARAMETER MALFUNCTION DURING START RUN-UP. REMOVED AND REPLACED TORQUE ADJUSTMENT BOX IAW AMM 77-12-00, 4-2. T/F MOC COMPLETED; CHECKS GOOD.
- [SDR COEA2025072404711](https://openairdocs.org/sdr/COEA2025072404711.md): Gauge · erratic · Jul 23, 2025 · N711FX · Cessna 208B
  > FLT 8735, ENROUTE ANC-ENA AIR TURNBACK. DURING CLIMB OUT, THE PILOT NOTICED ERRATIC FLUCTUATIONS OF THE TORQUE GAUGE. RETURNED TO ANC. NO EMERGENCY WAS DECLARED. LANDED WITHOUT FURTHER INCIDENT. REPLACED THE TORQUE GAUGE. OPS CHECK GOOD.
- [SDR ABXA2023050882](https://openairdocs.org/sdr/ABXA2023050882.md): Tach Generator · intermittent · May 2, 2023 · N651GT · Boeing 767231
  > N1'S FLUCTUATING AT IDLE BOTH ENGINES 23.3-26.5 ACCOMPANIED BY INTERMITTENT VIBRATION IN COCKPIT THAT DOES NOT APPEAR ON VIBRATION GAUGES. ALL OTHER EICAS GAUGES WITHIN LIMITS. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED AND REPLACE
- [SDR YENA2023032700290](https://openairdocs.org/sdr/YENA2023032700290.md): Wire Harness · failed · Mar 26, 2023 · N2142J · Airbus A321271N
  > FLT#523, JFK-LAX. (ETOPS) ENG 2 FADEC SYS FAULT; R & R WIRE HARNESS WO4 4088K REF L/P 3569608 (FOUND OPEN WIRE 3" BACK FROM CONNECTOR P63 ON #2 ENGINE N2 (4065KS). R & R HARNESS W04 ON #2 ENGINE PER MM 73-21-64.). IDLE CHK PASS. FAULT CLEAR ENG #2. [ REF L/P
- [SDR ABXA2023021524](https://openairdocs.org/sdr/ABXA2023021524.md): Unknown · unknown · Feb 13, 2023 · N774AX · Boeing 767281
  > AFTER ENGINE START RT ENGINE SHOWED N1 EXCEEDANCE 124.3 OUR START WAS NORMAL WITH NO EXCEEDANCE NOTED. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE PERFORMED OPS CHECK ON N1 INDICATION IAW B767 AMM 77-12-01. NO FAULTS NOTED. INDICATION CLEAR
- [SDR QR9R20210928001](https://openairdocs.org/sdr/QR9R20210928001.md): Torque Box · split · Sep 28, 2021 · Bolkms BK117C2
  > ON HOVER, ENG SPLIT AND ENG PA DIS CAUTION ON CAD RESULTING IN A MISSION ABORT. A T/F EVALUATION REVEALED SYSTEM 1 AND 2 ENG PA DIS DISPLAYED ON CAD WITH BOTH NUMBER 1 AND 2 TQ INDICATIONS IN YELLOW WHEN PICKING THE ACFT UP TO A HOVER. ENGINE SPLIT DISPLAYED I
- [SDR UIEA2021080201669](https://openairdocs.org/sdr/UIEA2021080201669.md): Engine · malfunctioned · Aug 1, 2021 · N1361A · Boeing 76731B
  > ON CLIMBOUT NAI ON, LEFT ENG N1 2% LOWER THAN R ENG. LEFT N1 SHOWED 103.1, R ENG SHOWED 105.5. AFTER NAI SWITCH OFF, BOTH ENG SHOWED SAME N1(<P>PERFORMED FIM TASK 77-12 FT 825, NO DISCREPANCIES FOUND. RUN ENGINES 1 AND 2 ABOVE IDLE AND NAI ON. IAW B767 AMM 77-
- [SDR UIEA2021020100169](https://openairdocs.org/sdr/UIEA2021020100169.md): Sensor · failed · Jan 28, 2021 · N1229A · Boeing 767306
  > RIGHT ENGINE SPEED CARD STS MSG. R & R RT ENGINE N2 SPEED CARD OFF PN 285T0458-303, SN D04761. OPS CHECK NORMAL IAW AMM 73-21-54. MSG CLEARED. 28JAN21 LOG PG 1271503 ITM 5 MIA; R & R RIGHT ENGINE N2 SPEED SENSOR. OPS CHECK NORMAL IAW AMM 77-12-02. PERFORM
- [SDR UIEA2020052641121](https://openairdocs.org/sdr/UIEA2020052641121.md): Warning Message · false activation · May 24, 2020 · N1997A · Boeing 76733A
  > RIGHT ENGINE ANALOG N2 STATUS MSG. PERFORMED FIM 77-12- FT 809. NO DEFECTS NOTED. MESSAGE CLEARED.
- [SDR UIEA2020043000922](https://openairdocs.org/sdr/UIEA2020043000922.md): Sensor · faulty · Apr 30, 2020 · N1997A · Boeing 76733A
  > R ENG ANALOG N2 STATUS(<P>REPLACED N2 SPEED SENSOR AND PERFORMED POWER PLANT TEST 4. CHKS GOOD PER AMM 71-00-00-795-034-M03.</P>)
- [SDR COEA2019112601797](https://openairdocs.org/sdr/COEA2019112601797.md): Indicator · erratic · Nov 26, 2019 · N797FE · Cessna 208B
  > FLIGHT 8775 ROUTE: PHX-FLG DISCREPANCY: DURING TAKEOFF, THE TORQUE GAUGE BEGAN TO GIVE ERRATIC READINGS. PILOT ELECTED TO DECLARE AN EMERGENCY AND RETURN TO PHX. LANDED WITHOUT FURTHER INCIDENT. CORRECTIVE ACTION: MAINTENANCE REPLACED THE TORQUE INDICATOR. AL
- [SDR UIEA2019093005608](https://openairdocs.org/sdr/UIEA2019093005608.md): Status Message · false activation · Sep 28, 2019 · N662GT · Boeing 76731A
  > STATUS MESSAGES: L ENG ANALOG N2 & R ENG ANALOG N2. (<P>ACCOMPLISHED FIM 77-12 FT 806 AND FIM 71-01 FT 804, NO FAULTS OR DISCREPANCIES NOTED. RESET SYSTEM, OPS CHECK NORMAL. </P>)
- [SDR UIEA2019090505445](https://openairdocs.org/sdr/UIEA2019090505445.md): Status Message · false activation · Sep 4, 2019 · N662GT · Boeing 76731A
  > R ENG ANALOG STATUS MESSAGE. L ENG ANALOG STATUS MESSAGE. ACCOMPLISHED FIM 77-12 FT 805, NO DISCREPANCIES NOTED. RESET EICAS MESSAGES.
- [SDR CA190725007](https://openairdocs.org/sdr/CA190725007.md): Indicator · shorted · Jul 19, 2019 · Bell 212
  > (CAN) TORQUE GAUGE FAILED AND POPPED CIRCUIT BREAKER. (TC# 20190725007)
- [SDR UIEA2019070104635](https://openairdocs.org/sdr/UIEA2019070104635.md): Unknown · malfunctioned · Jun 30, 2019 · N662GT · Boeing 76731A
  > DURING #1 ENGINE START, N1 DISPLAY WENT BLANK.(<P>ACCOMPLISHED FIM TASK 77-12 FT 803. RESET SYSTEM, OPS CHECK NORMAL (EEC/PIMU). </P><P>NOTE: ENGINE RUN ACCOMPLISHED BY CREW, ALL NORMAL. </P>)
- [SDR UIEA2019061324469](https://openairdocs.org/sdr/UIEA2019061324469.md): Status Message · false activation · Jun 12, 2019 · N1409A · Boeing 767306
  > STATUS MESSAGE, LEFT ENGINE SPEED CARD. PERFORMED OPS CHECK IAW PER B767 AMM 77-12-00. OPS CHECKED GOOD, NO STATUS MESSAGE DISPLAYED.
- [SDR CA190614003](https://openairdocs.org/sdr/CA190614003.md): Engine · reads high · Jun 1, 2019 · Pilats PC1245
  > (CAN) THE AIRCRAFT TOOK OFF AND AT ABOUT 1,000 FT. ABOVE GROUND LEVEL, PILOT GLANCED DOWN AT THE EIS (ENGINE INDICATING SYSTEM). AT THIS TIME HE NOTED TORQUE WAS INDICATING ABOVE 60 PSI AND THE RED WARNING ANNUNCIATOR WAS FLASHING. HOWEVER, THE PILOT ALSO NOTE
- [SDR UIEA2019031103516](https://openairdocs.org/sdr/UIEA2019031103516.md): Warning System · false activation · Mar 9, 2019 · N1409A · Boeing 767306
  > DURING ENG START MOMENTARY OVERSPEED WARNING MSG(<DIV>PERFORMED FIM TASK 71-01-00 PIMU BITE CHECK NO FAULT FOUND AT THIS TIME. STARTED ENGINE MULTIPLE TIMES IAW 71-00-00, ALL ENGINE STARTS NORMAL AT THIS TIME. </DIV>)
- [SDR QXEA2019082700331](https://openairdocs.org/sdr/QXEA2019082700331.md): Indication Sys · false indication · Aug 27, 2018 · N432QX · Bombdr DHC8402
  > ABORT TAKEOFF DUE TO NR 2 ENGINE TORQUE BUG TORQUE INDICATED 92% FOR ABOUT 1.5 SECONDS. ABORTED TAKE OFF. REMOVED FROM SERVICE. NO ENGINE PARAMETER EXCEEDANCES RECORDED. NO FURTHER ACTIONS REQUIRED. NO FURTHER DEFECTS. REF AMM 05-11-00-992-802 REF MCN 6050080-
- [SDR 2018FA0000200](https://openairdocs.org/sdr/2018FA0000200.md): Transducer · failed · Jul 2, 2018 · N812SS · Dhav DHC6*
  > TORQUE PRESSURE TRANSDUCER FAILED
- [SDR UIEA2018040300522](https://openairdocs.org/sdr/UIEA2018040300522.md): Sensor · intermittent · Mar 28, 2018 · N1709A · Boeing 767375
  > DURING CRUISE FLIGHT, N1 INDICATION FLUCTUATED INTERMITTENTLY, FOR THE NR 1 ENGINE. REMOVED AND REPLACED THE NR 1 ENG N1 FAN SPEED SENSOR IAW AMM 77-12-01. OPS CHECKED NORMAL IAW AMM 71-00-00.
- [SDR UIEA2017060500939](https://openairdocs.org/sdr/UIEA2017060500939.md): Sensor · erratic · Jun 7, 2017 · N1321A · Boeing 767306
  > LEFT ENGINE N2 INDICATION FOUND ERRATIC ON EICAS DISPLAY DURING ENGINE RUN. THE LT ENGINE N2 SENSOR WAS REMOVED AND REPLACED IAW AMM 77-12-02, REV 121.
- [SDR PNSA2017040201](https://openairdocs.org/sdr/PNSA2017040201.md): Torque Sensor · faulted · Apr 2, 2017 · Saab 2000SAAB
  > RIGHT ENGINE POWER INDICATION FLUCTUATED PLUS OR MINUS G & PU'S RT ENGING MAINT AND APU STARTED AUTOMATICALLY. REMOVED AND REPLACED FAULTY TORQUE SENSOR.
- [SDR UIEA2017030900312](https://openairdocs.org/sdr/UIEA2017030900312.md): Sensor · failed · Mar 9, 2017 · N1049A · Boeing 76736N
  > ENGINE VIBRATION BITE MAINTENANCE MESSAGE, PERFORMED FIM 77-31, FT 808, 77-31, FT 812. LEAD TO RT ENGINE N1 SENSOR SIGNAL CUT OUT. REMOVED AND REPLACED THE RT ENGINE N1 SENSOR IAW 77-12-01. OPS CHECKED GOOD.
- [SDR UIEA2017022200230](https://openairdocs.org/sdr/UIEA2017022200230.md): Indication Sys · malfunctioned · Feb 22, 2017 · N1049A · Boeing 76736N
  > AT RT ENGINE START, THE N1 INDICATION WAS ZERO UNTIL FUEL CONTROL WAS IN RUN, FAN ROTATION VERIFIED BY GROUND CREW WHEN N1 SHOWED ZERO. PERFORMED PIMU BITE, NO FAULTS NOTED IAW FIM 71-01-00/101. PERFORMED OPS TEST IAW AMM 77-12-00. NO FAULTS NOTED, OPS NOR
- [SDR 2016F00236](https://openairdocs.org/sdr/2016F00236.md): Torquemeter · blocked · Nov 12, 2016 · N30HF · Bell 407
  > PILOT EXPERIENCED HIGH TORQUE INDICATION ON INSTRUMENT. TROUBLESHOOTING WAS PERFORMED AND FOUND TO BE INTERNAL TO THE ENGINE GEARBOX TORQUEMETER. UPON REMOVAL OF ENGINE, DELIVERY TO OVERHAUL FACILITY, AND DISASSEMBLY OF GEARBOX AND TORQUEMETER, PLASTIC MEDIA W
- [SDR UIEA2016110700831](https://openairdocs.org/sdr/UIEA2016110700831.md): Sensor · malfunctioned · Oct 7, 2016 · N1997A · Boeing 76733A
  > LEFT N2 ERRATIC BELOW 20% AT START. REMOVED AND REPLACED THE NR 1 ENGINE N2 SPEED SENSOR IAW AMM 77-12-02. OPS CHECKED NORMAL.
- [SDR JJBA20160929002](https://openairdocs.org/sdr/JJBA20160929002.md): Indication Sys · fluctuates · Sep 29, 2016 · N362PH · Dhav DHC8202
  > NR 1 TORQUE FLUCTUATING +/-20 % ABOVE 60% TORQUE. PERFORMED ENG PERFORMANCE TEST NO FLUCTUATION/SURGED NOTED.
- [SDR JJBA20160712003](https://openairdocs.org/sdr/JJBA20160712003.md): Tscu · inoperative · Jul 12, 2016 · N358PH · Dhav DHC8202
  > NR 2 ENGINE FEATHERED UNCOMMANDED. POWER UPTRIM ILLUMINATED. WHEN THE POWER WAS RETARDED THE PROP UNFEATHERED. WITH THE SYS DESELECTED, OFF AND POWER APPLIED THE ENGINE/PROP OPERATE NORMALLY. DEFERRED IAW MEL. R&R TSCU. OPS CHECK SAT. MEL CLOSED.
- [SDR HNAA2016061700186](https://openairdocs.org/sdr/HNAA2016061700186.md): Tscu · malfunctioned · Jun 16, 2016 · N938HA · Dhav DHC8102
  > DURING TAKEOFF ROLL AT 85 PERCENT TORQUE AUTO FX FAILED TO ARM, REJECTED T/O. LIGHT ILLUMINATED UPON REDUCED POWER. R & R NR 2 ENGINE TSCU IN REF TO 77-10-00 C/W CARDS 72-01-10X & 72-00-10Q. RAN ACFT, OPS CHECK GOOD.
- [SDR JJBA20160614007](https://openairdocs.org/sdr/JJBA20160614007.md): Tscu · inoperative · Jun 14, 2016 · N375PH · Dhav DHC8202
  > NR 2 ENGINE TORQUE AT 150+ FOR 7-10 SECONDS. R & R NR 2 PROP ASSEMBLY AND R & R NR 2 TSCU. CREW SHUTDOWN THE ENGINE AND RETURNED TO FIELD. PROP ASSEMBLY, PN:806700-1, SN: 970610, TSN: 31647.45, CSN: 42798.
- [SDR JJBA20160210002](https://openairdocs.org/sdr/JJBA20160210002.md): Tscu · failed · Feb 10, 2016 · N367PH · Dhav DHC8202
  > ON CLIMB OUT AT 400 - 500 FEET, THE NR 1 ENG FEATHERED UNCOMMANDED. LOST ALL TORQUE. THE CREW RAN THE CHECKLIST & SHUTDOWN THE ENG. INSPECTED THE NR 1 ENG WIRE HARNESS, PLA CLA MICRO SWITCHES. R & R NR 2 TSCU.
- [SDR JIKA2016012001](https://openairdocs.org/sdr/JIKA2016012001.md): Signal Cond Unit · intermittent · Jan 17, 2016 · N258AS · Emb EMB120ER
  > AFTER TAKEOFF, THE RT ENG AUTO FEATHERED. THE RT ENG TORQUE READOUT WAS ZERO. ALL OTHER ENG PARAMETERS SHOWED NORMAL ENG OPERATING CONDITIONS. THE PILOT RETURNED & LANDED WITHOUT INCIDENT. INSPECTED THE RT ENG TORQUE SYS & FOUND THE RT ENG TORQUE SIGNAL CO
- [SDR 6CBA20160106147](https://openairdocs.org/sdr/6CBA20160106147.md): Indication Sys · reads low · Jan 6, 2016 · N978AF · Pilats PC1247E
  > CREW REPORTED LOW TORQUE INDICATION, APPROX 5.2-5.3 PSI.
- [SDR CA160106014](https://openairdocs.org/sdr/CA160106014.md): Limiter · stripped · Jan 4, 2016 · Beech 200BEECH
  > (CAN) PILOT HAD TO CARRY OUT A PRECAUTIONARY IN-FLIGHT SHUTDOWN OF NR 1 ENGINE DUE TO TORQUE FLUCTUATION AND OIL PRESSURE DROPPING. ACFT LANDED SAFELY WITHOUT FURTHER INCIDENT. NR 1 ENGINE TORQUE LIMITER HAD COME AWAY FROM THE REDUCTION GEAR BOX THREADED BO
- [SDR CA151204013](https://openairdocs.org/sdr/CA151204013.md): Control Unit · malfunctioned · Dec 1, 2015 · Dhav DHC8311
  > (CAN) ON TAKE OFF FROM CLIMBING THROUGH 800FT NR 2 ENGINE EXPERIENCED AN UNSCHEDULED AUTOFEATHER. ENGINE WERE SET AT TAKE OFF POWER WHEN NR 2 ENGINE TORQUE WENT TO APPROXIMATELY 136% AND PROP RPM DROPPED TO 500 RPM. ALL ENGINE PARAMETERS WERE NORMAL UNTIL UNSC
- [SDR CA160301007](https://openairdocs.org/sdr/CA160301007.md): Indicator · malfunctioned · Nov 20, 2015 · Dhav DHC8102
  > (CAN) DURING CLIMB OUT, THE NR 1 ENGINE TORQUE INDICATION WENT TO 165%. THE POWER WAS REDUCED BUT THE TORQUE INDICATION REMAINED THE SAME. ALL OTHER ENGINE PARAMETERS APPEARED TO BE NORMAL AND NO AIRCRAFT YAW WAS NOTICED. THE FLIGHT CREW FOLLOWED THEIR QUICK R
- [SDR CA151120001](https://openairdocs.org/sdr/CA151120001.md): Tscu · malfunctioned · Nov 20, 2015 · Dhav DHC8102
  > (CAN) DURING CLIMB OUT, NR 1 ENGINE TORQUE INDICATION WENT TO 165 PERCENT. POWER WAS REDUCED BUT TORQUE INDICATION REMAINED THE SAME, ALL OTHER ENGINE PARAMETERS APPEARED TO BE NORMAL AND NO ACFT YAW WAS NOTICED. FLIGHT CREW FOLLOWED THEIR QRH AND PERFORMED
- [SDR JJBA20151119005](https://openairdocs.org/sdr/JJBA20151119005.md): Unknown · malfunctioned · Nov 19, 2015 · N360PH · Dhav DHC8202
  > ON LANDING ROLLOUT WITH NR 2 ENG POWER LEVER AT DISK, THE TORQUE & RPM ADVANCED TO TAKEOFF POWER UN-COMMANDED. PERFORMED BETA BACKUP, OVERSPEED GOVERNOR, MINIMUM GOVERNOR & MAXIMUM GOVERNOR SPEED TEST, RUNS WERE SATISFACTORY WITH NO SIGNS OF TORQUE OR RPM SUR
- [SDR S9BA201510170014](https://openairdocs.org/sdr/S9BA201510170014.md): Transducer · malfunctioned · Oct 12, 2015 · Dhav DHC6300
  > LT ENGINE ONLY PRODUCING 40 LBS TORQUE ON TAKEOFF. TAKEOFF WAS ABORTED. TORQUE TRANSDUCER WAS REPLACED IAW AMM 79-31.
- [SDR AALA20150915004](https://openairdocs.org/sdr/AALA20150915004.md): Circuit Card · faulty · Sep 15, 2015 · N176AA · Boeing 757223
  > AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CLIMB RECEIVED A TAT PROBE EICAS MSG, NO AUTO THROTTLE/LNAV/VNAV/NO ICE PROTECTION, ACCOMPANIED BY THE RT EEC INOPERATIVE LIGHT ILLUMINATING. ACCOMPLISHED FIM 30-33-00-815 802, FOUND
- [SDR CA150410019](https://openairdocs.org/sdr/CA150410019.md): Indicator · false indication · Apr 9, 2015 · Dhav DHC8301
  > (CAN) NR 1 ENGINE TORQUE INDICATION BOTH ANALOGUE AND DIGITAL WENT TO TO ZERO AND NR 1 ECU WENT TO MANUAL MODE IN CLIMB. THE ANALOGUE TORQUE INDICATION WENT TO ZERO AND THE DIGITAL PORTION WENT TO DASHES. CLIMB POWER WAS SET TQ WAS 90 PERCENT BEFORE GUAGE WEN
- [SDR JJBA20150302001](https://openairdocs.org/sdr/JJBA20150302001.md): Control Unit · malfunctioned · Mar 2, 2015 · N360PH · Dhav DHC8202
  > NUMBER 2 ENG SHUTDOWN AT 500 FEET. AFTER NR 2 ENG SHUTDOWN PILOT HEARD PROP FEATHER ON ITS OWN. AUTO FEATHER WAS ARMED & UP TRIM LIGHT ILLUMINATED. NO FIRE INDICATIONS, CAUTION LIGHTS CAME ON AS NORMAL WHEN NR 2 ENG SHUT OFF. TORQUE WAS AT 97 JUST BEFORE P
- [SDR HDNA201501230002](https://openairdocs.org/sdr/HDNA201501230002.md): Torque Sensor · unknown · Jan 23, 2015 · N131LF · Urocop BK117C1EURO
  > UPON APPROACH TO DESTINATION HELIPAD & AS POWER REDUCED BELOW 80% N1, NR 2 ENG WAS NOTED TO DROP TO 0% TORQUE WITH ASSOCIATED, ENG SPLIT, CAUTION. ATTEMPTS TO REJOIN FLI NEEDLES WITH COLLECTIVE N2 TRIM SWITCH MET WITH NEGATIVE RESULTS. OEI FLIGHT CONDITIONS
- [SDR HNAA2015010700007](https://openairdocs.org/sdr/HNAA2015010700007.md): Indicator · inaccurate · Jan 7, 2015 · N942HA · Dhav DHC8102
  > WHEN APPLYING POWER ON TAKEOFF ROLL, NR 1 WENT TO 80 PERCENT. NR 2 WOULD NOT GO ABOVE 28 PERCENT. R & R NR 2 TORQUE INDICATOR IAW MM 77-10-00. ENGINE RUN IAW RUN UP MANUAL. OPS CHECKED GOOD.
- [SDR AALA20141210015](https://openairdocs.org/sdr/AALA20141210015.md): Transmitter · failed · Dec 10, 2014 · N690AA · Boeing 757223
  > DURING TAKEOFF CREW REPORTED RT ENGINE N3 INDICATION WAS ERRATIC. DURING CLIMB RT ENG BLEED VALVE WAS CYCLING OFF & ON, ACFT DID NOT PRESSURIZE. CREW TURNED OFF RT ENG BLEED & ACFT BEGAN TO PRESSURIZE. RETURNED TO DEPARTURE & EMERGENCY DECLARED. LANDING UN
- [SDR AALA20141209016](https://openairdocs.org/sdr/AALA20141209016.md): Transmitter · defective · Dec 9, 2014 · N690AA · Boeing 757223
  > AIR INTERRUPT, RETURNED & EMER NOT DECLARED. LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB THE LT ENG BLEED OFF & LT PACK OFF INDICATORS ILLUMINATED. AT THE SAME TIME, THE RT CTR FUEL PUMP LOW PRESS LIGHT FLICKERED ON & OFF. R & R ENG SPEED CARD M
- [SDR JJBA20141206002](https://openairdocs.org/sdr/JJBA20141206002.md): Tscu · malfunctioned · Dec 6, 2014 · N375PH · Dhav DHC8202
  > NUMBER 1 ENG FAILED AFTER ACCELERATION. R & R NR 1 TSCU.
- [SDR CA141008003](https://openairdocs.org/sdr/CA141008003.md): Indicator · malfunctioned · Sep 9, 2014 · Agusta AW139
  > (CAN) DURING LAST OPERATIONS BEFORE LANDING THE PILOT REPORTED THAT NR 1 ENGINE TORQUE INDICATION WAS DECREASING WHILE NR 2 ENGINE TORQUE WAS INCREASING. ITT THEN SUDDENLY DASHED OUT. THE PILOT ELECTED TO ABORT LANDING AND RETURNED TO POINT OF ORIGIN. ITT C
- [SDR CA141031001](https://openairdocs.org/sdr/CA141031001.md): Warning Light · illuminated · Aug 25, 2014 · Bell 407
  > (CAN) CHIP LIGHT ILLUMINATED AND BOTH CHIP DETECTORS HAD MORE THAN PERMISSIBLE AMOUNT AND DIMENSIONS OF CHIPS. ENGINE SENT, INFORMATION RECEIVED SAYS TORQUEMETER BEARING FAILURE.

Next page: https://openairdocs.org/jasc/7712/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 = '7712'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7712/reports

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