# SDR CA110103008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2010
- Submitted: March 15, 2011
- Operation: Air carrier
- Make and model: Robsin R44
- Aircraft time: 3,588 hours
- Engine: Lyc O540F1B5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Servo
- Part number: D2121
- Condition: Leaking
- Location: Hyd System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA110103008

## Discrepancy

HYDRAULIC SERVO FOUND TO BE LEAKING DURING PREVENTATIVE MAINTENANCE CHECK.  REPLACED SERVO.

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