# SDR 8HBR20260329079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2026
- Submitted: March 30, 2026
- Operation: General aviation
- Filed by: [Hillsboro Aero Academy LLC, repair station 8HBR698C](https://openairdocs.org/faa-repair-station/8HBR698C/hillsboro-aero-academy-llc.md) (OpenAirDocs)
- Aircraft: [N779SH](https://openairdocs.org/aircraft/N779SH), registered now
- Make and model: Robsin R22BETA
- Aircraft serial: 3591
- Aircraft time: 13,167 hours
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: A1583
- Part serial: 3160
- Condition: Brinelled
- Location: Spindle
- Part time: 937 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20260329079

## Discrepancy

PILOTS EXPERIENCED ERRATIC CYCLIC MOVEMENT. UPON INSPECTION IT WAS FOUND THAT THE SPINDLE BEARINGS IN ONE MAIN ROTOR BLADE WERE BRINELLED.

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