# SDR CA120408007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 29, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Aircraft time: 3,569 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [6730 · Rotorcraft Servo System](https://openairdocs.org/jasc/6730)
- Part: Servo
- Part number: D2121
- Condition: Leaking
- Location: Hydraulic
- 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/CA120408007

## Discrepancy

(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 100 HR INSPECTION.  2 OTHER SERVOS ALSO FOUND TO BE LEAKING.  ALL 3 HYDRAULIC SERVOS REPLACED.

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