# SDR COEA2015031901819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2015
- Submitted: March 19, 2015
- Operation: Air carrier
- Aircraft: [N819FX](https://openairdocs.org/aircraft/N819FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 359
- Aircraft time: 29,828 hours, 29,671 cycles
- Engine: Pwc PW127F
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2015031901819

## Discrepancy

AIR TURN BACK, DISCREPANCY, DURING CLIMB OUT, THE CREW EXPERIENCED A TORQUE FLUCTUATION ON THE NR 2 ENG CAUSING THE ACFT TO YAW BACK & FORTH.  THE CREW RETURNED THE ACFT BACK.  NO EMER WAS DECLARED.  PERFORMED ENG RUNS TO TRY & FIND THE ISSUE, BUT COULD NOT DUPLICATE.  ACFT RETURNED TO SERVICE.

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