# SDR HEEA131204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2011
- Submitted: May 20, 2011
- Operation: Air carrier
- Aircraft: [N492PH](https://openairdocs.org/aircraft/N492PH), registered now
- Make and model: Skrsky S92A
- Aircraft serial: 920016
- Aircraft time: 7,924 hours
- Engine: Ge CT78
- Engine time: 5,865 hours
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Coupling
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA131204

## Discrepancy

NR1 ENGINE DRIVE FLANGE AND COUPLING ASSY FAILED CAUSING ENGINE OVERSPEED SHUTDOWN.

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