https://www.youtube.com/watch?v=Kb6W61bpZrc
Can The Propeller Shafts (And the Screws) of the Battleship Still Spin?
probably, have to change the oil in the bearing sumps, clean the coffee grounds away from the screws. Warm up the Main Engine lube oil, engage the jacking gear, should be able to rotate the shaft over once every 5 minutes. JMO