[Retain Mike]

Since there was no notification of a problem, then progressive flooding was probably not the ultimate cause of the problem. Either the waterline was improperly painted, or it was loaded to the point the waterline disappeared below the surface. In that case the ship would flip over in a heavy sea.

[TexasGunLover]

Since there was no notification of a problem

If I recall correctly, they did radio they had issues:

Fitzgerald: "I have a bad list, lost both radars. And am taking heavy seas over the deck. One of the worst seas I've ever been in."

Avafors: "If I'm correct, you have two radars."

Fitzgerald: "They're both gone."