[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."

[Retain Mike]

Then the problem was probably taking on water.