# SDR HEEA090148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2003
- Submitted: October 27, 2003
- Operation: Air carrier
- Aircraft: N412SM
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33197
- Aircraft time: 1,937 hours
- Engine: Pwa PT6*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 312295201
- Part serial: CPPSTH0281
- Condition: Malfunctioned
- Location: Nr 1
- Part time: 1,928 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA090148

## Discrepancy

IN FLIGHT NR 1 ENGINE ITT WENT TO 970 DEGREES, NR 2 ENGINE TORQUE DROPPED TO ZERO.  APPEARED TO BE NR 1 ENGINE GOVERNOR HIGH SIDE FAILURE.  RETURNED NR 1 ENGINE THROTTLE TO IDLE, SWITCHED NR 1 ENGINE THROTTLE TO MANUAL AND FLEW TO NEAREST AIRPORT IN MANUAL THROTTLE. MAINTENANCE REPLACED NR 1 ENGINE ASSY INCLUDING FUEL MANAGEMENT SYSTEM.

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