# SDR TRBA20121026001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2012
- Submitted: November 2, 2012
- Operation: Air carrier
- Aircraft: N425MJ
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 425
- Aircraft time: 31,377 hours, 34,977 cycles
- Engine: Pwa PW127
- Propeller: Hamstd 247F1
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Torque Sensor
- Condition: Inoperative
- Location: Lt Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA20121026001

## Discrepancy

CREW REPORTED THAT ON THE TAKEOFF ROLL, THE ANALOG PORTION OF NR 1 TORQUE GAUGE WENT TO ZERO.  DIGITAL PORTION NORMAL.  ACFT REMOVED FROM SERVICE.  R & R LT ENGINE TORQUE SENSOR IAW 72-01-60 AND LT ENGINE AFU IAW  72-01-10. PERFORMED OPS CHECK IAW EX-055007-CS-20000-001 AND 61-21-66 AND 61-00-00. NO DEFECTS NOTED. ACFT RETURNED TO SERVICE.

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