F1 transmission fluid leakage

I have my 360 parking at garage for few weeks due to winter here. I was searching for reason of low F1 fluid level i faced in summer (had to refill once per 3-4 weeks since it always went under minimum level). I found problem. I have leakage in part shown in picture. It should be hydraulic F1 actuator. After i take off the black cover shown on first picture, i found after 3 days fluid arround. Its clear its coming out from the part marked by red on second picture. Did anyone face similar problem? Is possible to get inside and e.g.change some gasket,sealing not to exchange whole part? I am just asking before i go to service, since i can go there soonest in end of Fabruary......I found the new part pretty expansive....Sorry for bad pictures.
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