Samsung Refrigerator - Vegetable Drawers Freezing

Hi,
My vegetable drawers keep freezing. I already had a technician come out last year to fix the drain issue - the drawers used to fill up with water. He added an extension to the drain, a common issue with these fridges I guess.

Anyway - now my drawers are freezing. <30 deg F when the fridge is at 45 deg F. Freezer at 6 deg F (bottom drawer freezer).

I pulled the fridge out to clean the coils and a large condensation spot was visible on back of the fridge - near left hand side (when you’re looking at the back of the fridge). See photos attached. Could my coils inside be frozen?

Thanks!
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just took off the evaporator cover and saw a little of ice at the top but nothing serious.

Fan motor shows continuity

Drain line is clear, i poured some water down there and heard it splash through the other end.

i am still lost!
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Posting as a courtesy, it was the fridge temp sensor! located at the top back panel of the inside of the fridge

just kidding. now the drawers are back to 30 deg f . :frowning:
Tried replacing the fan too.