# SDR 2025FA0000717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2025
- Submitted: October 15, 2025
- Operation: General aviation
- Aircraft: [N147SH](https://openairdocs.org/aircraft/N147SH), registered now
- Make and model: Robsin R22BETAII
- Aircraft time: 1,407 hours
- Engine: Lyc O360J2A
- Engine time: 1,407 hours
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Bearing
- Part number: A1593
- Condition: Brinelled
- Location: M/R Spindle
- Part time: 1,407 hours
- Component: Spindle, Robsin
- Component part number: A1583
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000717

## Discrepancy

FOUND BOTH SPINDLE BEARINGS P/N A159-3, TSN: 1406.9 BRINELLED. NO OVER SPEEDS

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.