# SDR CA120411007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Engine: Pwa PT6A112
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Indication Sys
- Condition: Malfunctioned
- Location: Torque
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120411007

## Discrepancy

(CAN) DURING REVENUE FLIGHT, PILOT NOTICED UNCOMMANDED TORQUE DECAY ON 1 OF THE ENGINE.  THE PILOT FELT A YAW AND THE ACFT SHUDDERED.  PILOT ADVANCE POWER LEVER BUT WAS UNABLE TO RECUPERATE ENGINE TORQUE AND NOTICED TEMPERATURE INCREASE AT WHICH TIME HE SHUT THE ENGINE DOWN AND PERFORMED A UNEVENTFUL LANDING AT POINT OF DEPARTURE.

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