# SDR 2009FA0000978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2009
- Submitted: November 20, 2009
- Operation: General aviation
- Aircraft: N577UH
- Make and model: Bell 430
- Registry model: [Bell 430](https://openairdocs.org/model/bell-430) (OpenAirDocs)
- Aircraft serial: 49119
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Duplex Bearing
- Part number: 430310461101
- Part serial: ZV10134
- Condition: Spalled
- Location: Swashplate
- Part time: 3,109 hours
- Component: Swashplate, Bell
- Component part number: 430010400105
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000978

## Discrepancy

DUPLEX BEARING FOUND TO BE HEAVILY SPALLED.  17/125 BALLS DAMAGED (APPROX 14 PERCENT)  ONE INNER RACE DAMAGED 4 PLACES; OUTER RACE DAMAGED 2 PLACES.

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