# SDR YTRA1105401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2011
- Submitted: February 23, 2011
- Operation: Air carrier
- Aircraft: [N2611](https://openairdocs.org/aircraft/N2611), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45417
- Aircraft time: 30,057 hours
- Engine: Allsn 250C28
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 23062065
- Part serial: CAE896102
- Condition: Malfunctioned
- Location: Nacelle
- Part time: 2,354 hours, 560 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J, Y
- Precautionary procedure: R
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YTRA1105401

## Discrepancy

IN CRUISE FLIGHT THE PILOT REPORTED HIGH FREQUENCY VIBRATION AND WHINING NOISE FROM THE ENGINE COMPARTMENT.  THIS WAS FOLLOWED BY AN ENGINE CHIP LIGHT INDICATION AND NOISE AT WHICH POINT THE ENGINE LOST POWER AND PROCEDED TO SHUT DOWN.

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