Francesca Knowles wrote:
I wouldn't hesitate to drill some drain holes- if there's water in there you need to get it out PRONTO. Such holes can easily be patched or, better yet, plugged with a removable nylon cap (in case more water accumulates).
You of course need to locate the source of the leaks if possible- but since you don't know how long the water's been there, you can't know if you even still have a "leak" problem.
If the rig was mine, I'd find the lowest point, drain it, and watch for more water.
Exactly what he said. Lean it to a corner are find a low spot and drain that water out pronto. Then pressure up and see if there is more and how fast it is leaking. Then you must find the leak at all cost. Water in a rv where it is not supposed to be is not your friend.