# SDR TRBA2009119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2009
- Submitted: December 9, 2009
- Operation: Air carrier
- Aircraft: [N499AT](https://openairdocs.org/aircraft/N499AT), registered now
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 499
- Aircraft time: 20,423 hours, 23,931 cycles
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Indicator
- Part number: C16222AA01
- Part serial: 139
- Condition: Failed
- Location: Torque
- Stage of operation: DE
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2009119

## Discrepancy

NR 2 ENG STARTED LOSING TQ ON DESCENT.  ALL OTHER INDICATIONS WERE NORMAL. EMERGENCY DECLARED.  REMOVED AND REPLACED NR2 TORQUE INDICATOR IAW JIC 77-13-18. PERFORMED ENGINE TRIMMING IAW JIC 73-23-61.  OPS CHECK GOOD AT THIS TIME.

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