# SDR 8HBR20220730046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2022
- Submitted: July 30, 2022
- Operation: General aviation
- Aircraft: [N922DD](https://openairdocs.org/aircraft/N922DD), registered now
- Make and model: Robsin R22BETA
- Aircraft serial: 1168
- Aircraft time: 10,763 hours
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Bearing
- Part number: A1593
- Condition: Brinelled
- Location: Main Rotor
- Part time: 185 hours
- Component: Main Rotor Spin, Robsin
- Component part number: A1583
- Stage of operation: HO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20220730046

## Discrepancy

PILOTS REPORTED: CYCLIC HARD TO PUSH FORWARD, CYCLIC JUMP WHEN LOWERING THROUGH COLLECTIVE SETTING. INSPECTION OF THE MAIN ROTOR SPINDLES SHOWED BRINELLING OF THE SPINDLE BEARINGS.

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