# SDR 61771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2003
- Submitted: April 22, 2003
- Operation: Air carrier
- Aircraft: N138SD
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 138
- Engine: Ge CT75A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Fluctuates
- Location: Nr 2
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/61771

## Discrepancy

DURING T/O ROLL OF FLT 4476 TTN-BED RIGHT ENGINE TORQUE HAD LARGE FLUCTUATIONS.  INITIAL TROUBLE SHOOTING FOUND IT TO BE A FAULT IN CTOT SYSTEM.  CTOT SYSTEM MEL'D.

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