# SDR YTRR109290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2006
- Submitted: May 22, 2006
- Operation: Air carrier
- Aircraft: [N163RL](https://openairdocs.org/aircraft/N163RL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53163
- Aircraft time: 3,873 hours
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Universal Joint
- Part number: 406310405101
- Part serial: RXFS9366
- Condition: Worn
- Location: Main Rotor
- Part time: 1,558 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YTRR109290

## Discrepancy

UNIVERSAL BEARING ASSEMBLY FOUND WORN.  REPLACED PART.

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