Since this threads gone to shit;

- Make sure the compass still works
- The anchor deploys well
- There isnt too much damage from the salt water.

LOL jokes..

Check the usual things, gearbox is important in this car.

Get underneath, check for leaks, check the usual rubber boots.

Tap the body, look for dead spots, check the insides of the boot for bog up and weld, same for the under the hood