Defrosted frig yesterday. Freezer got down to 43 degrees. Do we have to throw everything in freezer out or is it safe to eat?

Update: It was defrosting yesterday and overnight. We turned it back on this morning. I didn't think to check the food until about two hours later. Then I noticed a couple of hamburger patties were partially thawed. But that was the first time I opened it since yesterday morning.
Update 2: Thanks to all who answered. Any more ideas?
Update 3: The freezer was about 2/3 full so I'm hoping the stuff stayed frozen enough not to go bad.
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