# SDR HSYA20071201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2007
- Submitted: January 2, 2008
- Operation: Air carrier
- Aircraft: [N101UE](https://openairdocs.org/aircraft/N101UE), registered now
- Make and model: Beech 1900C
- Registry model: [Beech 1900C](https://openairdocs.org/model/beech-1900c) (OpenAirDocs)
- Aircraft serial: UC101
- Aircraft time: 27,518 hours, 34,081 cycles
- Engine: Pwa PT6A60A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Reads High
- Location: Left
- Part time: 17,149 hours, 22,631 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HSYA20071201

## Discrepancy

DURING CRUISE, THE CREW REPORTED THAT THE LT ENGINE INDICATED ABNORMALLY HIGH ITT. THE CREW ELECTED TO RETURN DEPARTURE AND LANDED WITH OUT INCIDENT.  MX PERFORMED A LT ENGINE ITT THERMOCOUPLE LOOP RESISTANCE CHECK AND ADJUSTED.  MX ALSO PERFORMED AND ITT CALIBRATION CHECK AND WAS FOUND TO BE SATISFACTORY. PERFORMED ENGINE TORQUE INDICATION CALIBRATION CHECK AND WAS FOUND TO BE SATISFACTORY. PERFORMED ENGINE TRIM THERMOCOUPLE TEST AND WAS FOUND TO BE WITHIN LIMITS.  MX PERFORMED LT AND RT ENGINE RIGGING AND ADJUSTMENTS AND PERFORMED AN ENGINE ROCOVERY WASH AND GROUND PERFORMANCE RUN UP AND FOUND THE ENGINE PARAMETERS TO BE WITH IN LIMITS AT THIS TIME. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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