One quick and easy thing to do is feel around the weep holes in the engine compartment and under the cabin sole for soft wood.
Check stringers, then check again.
Other than the flat bottom and mediocre handling in the chop, it is a great boat with more room than you can imagine to store (collect) alot of stuff (Crap). I just hauled out my '86 2897 and it took 2.5 car loads to get all of the stuff (crap) home.
As always, have a survey completed.