# SDR HEEA083785

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2003
- Submitted: January 20, 2003
- Operation: General aviation
- Aircraft: [N492PH](https://openairdocs.org/aircraft/N492PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53390
- Aircraft time: 2,200 hours
- Engine: Allsn 250C*
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Liner
- Part number: 23064570
- Part serial: 63005
- Condition: Damaged
- Location: 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/HEEA083785

## Discrepancy

ENGINE HOWL AT 63-70 PERCENT N1. REPLACED WITH SERVICEABLE PART.

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