Soggy Floor - help needed

[MasterBaiter]

On my 23 inboard the deck over the tanks is screwed down - no cutting that I'm aware of. Unscrew it and lift if out. I've never done it but it seems pretty straight forward.

You might want to follow the thread I think it was Strick's floor replacement in his new project. He did a total rebuild of the floor in his. Cut out the back and follow his example. If I remember right mine has ribs that the deck sits on for support.