# SDR 2023FA0000434

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2023
- Submitted: August 18, 2023
- Operation: General aviation
- Aircraft: [N194LE](https://openairdocs.org/aircraft/N194LE), registered now
- Make and model: Robsin R22BETAII
- Aircraft serial: 4094
- Aircraft time: 9,654 hours
- Engine: Lyc O360J2A
- Engine time: 10,192 hours
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Bearing
- Part number: A1583
- Part serial: 2214106221409
- Condition: Damaged
- Location: M/R Spindle
- Part time: 436 hours
- 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/2023FA0000434

## Discrepancy

IN FLIGHT VIBRATION REPORTED. FOUND MRB SPINDLE BEARINGS BRINELLED. SPINDLE ASSEMBLIES P/N A005-15, SPINDLES P/N A158-3, S/N 2842 & S/N 2843, BEARING SETS P/N A159-3, S/N 2214106 & S/N 2214093. SPINDLES & BEARING SETS TSN: 435.8. NO OVERSPEEDS REPORTED

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