[DIRTYSECRET]

Place a bunch of inflatable balls in the compartments where they expand after time. Make them expand to a size too big for the hole they went into. The ship will then rise. How to make the balls inflate? Those are details.

[Kartographer]

First I am totally against disturbing the ship.

Place oil in your floats add a Bactria that will break the oil down into methane.

[wally_bert]

It’d be easier to lower the Pacific.

Substitute Atlantic and you get the sentiment of the movie Raise The Titanic.