# SDR MTNA201309250001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2013
- Submitted: September 26, 2013
- Operation: Air carrier
- Aircraft: [N906FX](https://openairdocs.org/aircraft/N906FX), registered now
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 280
- Aircraft time: 27,549 hours, 28,418 cycles
- Engine: Pwa PW121
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Left
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA201309250001

## Discrepancy

DURING TAKEOFF ROLL, THE FLIGHT CREW REPORTED THE LT ENGINE TORQUE DECREASED BY 40 PERCENT.  ACFT EXPERIENCED A YAW TO THE LEFT.  ABORTED THE TAKEOFF AND RETURNED TO THE RAMP WITHOUT FURTHER INCIDENT.

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