# SDR ALGA201203021201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2012
- Submitted: March 6, 2012
- Operation: Air carrier
- Aircraft: [N410AL](https://openairdocs.org/aircraft/N410AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53482
- Aircraft time: 1,919 hours
- Engine: Allsn 250C47B
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Bearing
- Condition: Worn
- Location: Impeller
- Part time: 1,919 hours
- Component: Impeller, Allsn
- Component part number: 23065591
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA201203021201

## Discrepancy

IMPELLER NR 1 BEARING STUB SHAFT HAS EXCESSIVE WEAR FROM MATING RING.

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