# SDR HEEA129892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2010
- Submitted: December 14, 2010
- Operation: Air carrier
- Aircraft: [N494PH](https://openairdocs.org/aircraft/N494PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53396
- Aircraft time: 8,750 hours
- Engine: Allsn 250C47B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: 6871505
- Part serial: MP086353
- Condition: Spalled
- Location: Turbine
- Part time: 2,978 hours
- 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/HEEA129892

## Discrepancy

TURBINE HAS SPALLING BALLS AND OUTER RACE.  REPLACED WITH NEW BEARING.

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