Photomike wrote:
Have you checked to make sure that the drain holes are clear?
That would be my first thing before I do any more.
Ditto. Started seeing the inside wall at the back of the large dinette window was wet after a rain. Found the drainage path was clogged with dirt. Open the window and there is a sliding piece in the grove that drains out a hole covered with a rectangular piece on the outside of the window. You can try to blow it clean with one of those cans of compressed air used to clean keyboards but be ready for dirt (or mud if it's wet) to fly everywhere :B I'm not sure if this is where the moisture is coming from in the other locations but it's worth a try.