This would go a long way to explain the design overhaul seen in THE MOTION PICTURE. It would make sense to rebuild the Enterprise almost from scratch if it had been trashed on its last mission.
If you check out my Nova Trek stories- especially books 5,6 and 7- it's a three part story- you'll see how it happened. As for the repairs, they'll take place in the book I'm working on now. I have 22 pages done so far- only 107 to go...