# SDR ALG2005F00108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2005
- Submitted: December 15, 2005
- Operation: Air carrier
- Aircraft: [N176AL](https://openairdocs.org/aircraft/N176AL), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52146
- Engine: Allsn 250C30P
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 23004545
- Part serial: CAE890701
- Condition: Noisy
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2005F00108

## Discrepancy

LOUD HOWLING NOISE AT FLIGHT IDLE FROM THE ENGINE TRANSMISSION AREA.  REPLACED ENGINE ASSEMBLY.  (K)

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