The only places I have not explored is under the cabin sole and under the side decks. Both require a scope

Wow! No wonder you opted to rebuild the engine! She's like a brand new boat!Me too...
I made the nooks and crannies
Here is one I restored.... tore it down to the stringers and rebuilt the interior... then rebuilt the keel.View attachment 215089
The "bore" part sounds kind of like drillingOUCH!
Don't call it that, call it a borescope. Sounds less invasive.
Is this your Mako or Pearson?We know her very, very, well however, after three years we were still finding things we hadn't noticed before then.
I see there's no plans on removing said child. Someone's gotta keep watch!There's one place in the stern I haven't investigated yet. Need to either drop 40 lbs or hire a small child. Guess which will happen first.