# SDR CA090326006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2009
- Submitted: May 13, 2009
- Operation: General aviation
- Make and model: Robsin R44
- Aircraft time: 4,847 hours
- Engine: Lyc O540F1B5
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: C0059
- Condition: Rough
- Location: Spindle
- Part time: 717 hours
- Component: Spindle, Robsin, C1581
- 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/CA090326006

## Discrepancy

(CAN) DURING A M/R BOOT CHANGE THE SPINDLE BEARING WAS NOTED TO BE ROUGH. BEARING WAS REPLACED AND NO FURTHER ISSUES WERE NOTED.

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