# SDR YV3R2019012320203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2019
- Submitted: October 23, 2019
- Operation: General aviation
- Aircraft: HP164
- Make and model: Robsin R44
- Aircraft serial: 2487
- Aircraft time: 1,698 hours
- Engine: Lyc O540F1B5
- System (JASC): [6720 · Tail Rotor Control System](https://openairdocs.org/jasc/6720)
- Part: Bearing
- Condition: Rough
- Location: Tail Rotor
- Part time: 166 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2019012320203

## Discrepancy

CUSTOMER REPORTED TAIL ROTOR PITCH CONTROL P/N: C031-1 HAS ROUGH BEARINGS.

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