Hello all! My Necky Looksha II is equipped with a smart track rudder system. For the last few months the rudder has been sticking in the up position when retracted. By hand I can lower it, and can raise it about half way up and it still swings free. But further up it sticks in the up position. I've cleaned the entire system and cannot find anything causing the sticking problem. The inside spring has a little rust visible, but nothing serious. I'd be grateful for any suggestions to resolve the problem. Thanks for your advice.