If as serious as seems, they'll have to cut a damn great hole somewhere on their nice new ship to get the box out.

Marine gearboxes tend to be one-offs, not off the shelf, so no two gearboxes are exactly the same, parts will likely need to be made.

Likely to be several months delay and probably running on reduced power for a while when she does appear.

Hope Steam Racket are well covered in the build policy! Wonder if they now wish it had been  built this side of the world?