Originally Posted by JSBriggs
The white powder is galvanic corrosion where the steel frame is cording the aluminum skin. if it hasnet created holes in the skin, you can pull teh skin, treat the corsion, repaint and reassemble. the the reality is new doors are usually cheaper.
Thanks, if that's the case, I will let it go for a bit, and get new doors. Inside of the doors aren't too bad yet.