# SDR HEEA132858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2011
- Submitted: January 10, 2012
- Operation: Air carrier
- Aircraft: N435PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53891
- Aircraft time: 4,772 hours
- Engine: Allsn 250C47B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 250C47B
- Part serial: CAE847428
- Condition: Failed
- Part time: 7,478 hours
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: R
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA132858

## Discrepancy

ENGINE CHIP LIGHT ILLUMINATED, PILOT TURNED TO LAND AT NEAREST PLATFORM.  ON APPROACH TO PLATFORM ENGINE STARTED MAKING A LOUD WHINING NOISE FOLLOWED BY LOUD POPPING NOISE AND AIRCRAFT YAWED.  AUTO-ROTATED, DEPLOYED FLOATS AND LANDED IN WATER.

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