I am the owner of a 2004 393 purchased new-the port list is a known, long discussed "issue" with this model. Not sure if you have a two or three cabin version, but my two cabin version has two 4D house batteries on the port side, along with the entire galley and the forward water tank on the port side. Some owners in the past added lead ballast glassed in on the starboard side, but not sure why one would want to add that much weight to the boat. There is a yahoo 393 user group that has a considerable thread on this topic.