re: OT handymen: freezer freezing up vents, causing fridge to lose cooling. Help?

My guess is that the door gasket is letting air in OR the door is not closing good.

When you get air from you home pulled into the freezer at a small rate, the freezer can maintain it's freezing temps but the moisture in the air coming starts to build up and freeze in places.

Just my guess based on past experience with a freezer that had a warped door gasket that had to be replaced.

ETA...replaced door gasket and the problem was resolved.