# SDR HEEA107323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2005
- Submitted: December 28, 2005
- Operation: Air carrier
- Aircraft: N2258F
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33073
- Aircraft time: 19,509 hours
- Engine: Pwa PT6T3B
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Tube
- Part number: 3040654
- Condition: Failed
- Location: Governor
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA107323

## Discrepancy

IN CRUISE FLIGHT AT 1200' AT 70% TORQUE, OBSERVED LARGE TORQUE SPLIT.  NR 1 HIGH, NR 2 HAD DROPPED TO ZERO.  N1 ON NR 2 WAS NOTED AT 58%.  IDENTIFIED NR 2 ENGINE GOVERNOR FAILURE.  SELECTED NR 2 ENGINE MANUAL THROTTLE, DIVERTED TO MANASSAS.  LANDED WITH NO INCIDENT.  REPLACED TUBE ASSY AND NO OTHER DEFECTS NOTED.

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