# SDR YV3R2019012200071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2019
- Submitted: May 14, 2019
- Operation: General aviation
- Aircraft: XB-NT
- Make and model: Robsin R44
- Aircraft serial: 2320
- Aircraft time: 4,200 hours
- Engine: Lyc O540F1B5
- System (JASC): [6730 · Rotorcraft Servo System](https://openairdocs.org/jasc/6730)
- Part: Servo
- Part number: D2121
- Part serial: 5335
- Condition: Leaking
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2019012200071

## Discrepancy

CUSTOMER REPORTED HYDRAULIC SERVO P/N: D212-1 WAS LEAKING.

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