Service difficulty report · Valve · Robsin R44

Difficulty date
August 15, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Robsin R44
Aircraft time
5,822 hours
Engine
Lyc O540F1B5
Part
Valve
Part number
D2111
Condition
Sticking
Location
Reservoir
Part time
1,359 hours
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) HYDRAULICS FOUND UNSERVICEABLE ON START UP. HYDRAULIC RESERVOIR REPLACED DUE TO SHUTTLE VALVE STICKING.