Sorry for delay, been out sick.

RTV silicone rubbers are room temperature vulcanizing materials. ... Plastic
compounds, elastomer resins or polymers based on the silicone chemical system.

Buy a small tube at any hardware store and squeeze out a small bead on the saddle. Wrap the wing and set it in place. DO NOT SQUIRM IT ABOUT!!!!! Set it wher it belongs and secure it with a couple of rubber bands so it does not move. It should cure overnight indoors at @ 70 degrees. Remove wing next day and trim RTV with sharp blade if needed.

Which pushrod connector(s) is popping off? Is it popping off on it's own or when servo moves or when you touch it or when? Best photo close-up please