fiberglass

I just took the metal transom bracket off of my 2007 Grady White 330 express to replace it with the vinyl cap and glass it over but discovered the attached pics and the fiberglass guy got moisture readings in the engine bracket holes. Any reccomendations on how to fix- will I be ok to replace...

Fellow Captains - Good afternoon to you all - once again I'd like some advice. I've seen @Hookup1 give notes on his repair (beautiful) - but wanted his or anyone else who would be willing to chime in on how to best repair the Hardtop. I truly want to get rid of the mold/mildew & get a teal...