Given the size of that engine. If they can't take the block out in pieces I can't see a way to fix it that would be cheaper than a new boat.
Even if you can remove the block in pieces I think your gonna have a big, big, problems getting pieces that size out of the hull.
I don't know but it seems like they totaled a ship.
They won't total a ship that size. They'll cut a hole in the side and out it goes. Saw them do that in a documentary on TV one time. Crazy amount of work/time/money but that's what they do. Here they are doing a cruise ship in the same manner:
