Condensation from AC inside the rig

Sounds like time to do Chris Bryant's A/C Tuneup

Condensation getting carried over from evap coil to discharge plenum
Dirty return air filter
Running on low fan
Dirty evap coil
Plugged evap coil drip pan drain holes
Roof gasket has been overcompressed and drip pan drain holes are now blocked by roof

Water leaking in from outside water source (rain/heavy washing)
Unit hold down bolts loose......slightly tighten (just snug)
Roof gasket worn/damaged/overcompressed which can warp roof

@tomseeley,

We had a similar problem, but it only happened when we were a little off level on one side of the RV. Ours turned out to be the Seal was Old and needed to be replaced. I'd take off the inside cover and take a look see.

Our drains were NOT clogged, but the unlevelness of the rig caused it to back up for some reason.

As the others have said, be sure to clean the coins and straighten any of the blades out while you are looking at it all.

BTW: If it's the seal that needs to be replaced, I would recommend a DIY! It's easy to do!

X2 on the drain and while you have the cover off spray the coils out with a garden hose and change the air filter. AC wont have to work so hard then.

Most likely it is from a clogged drain. I would check my filters, if the filters get clogged they can create a low pressure and the water can't go out the drain.
I wouldn't bother with the attach bolts unless it leaks in the rain.
I had to smile as this post brought back the memories of laying on the roof trying to find the drain hole with a piece of coat hanger wire. I found the drain but the water flowed out so fast I couldn't get up in time it sure was cold.
Bill

remove filter there should be 4 nuts. Tighten them down just a small amount, over tight will damage the gasket.