damp

As I was cleaning out the RV after my last trip, I noticed that the area around the hot water heater was damp. I felt down there and didn't feel water, just dampness in the area. Any clue what might be the problem?

Hello. Apologies if this topic has been previously posted... We are continuing to experience a damp/musty smell in a couple (not all) of our cupboards in our x23Z hybrid trailer. There are no obvious water leak trails or residue...just a musty smell. We have cleaned out the dishes from the...