The refrigerator was squealing very loud and it was coming from inside the freezer, I found the evaporator fan motor was squealing and shutting down in sequence, thus not cooling the freezer and refrigerator sections properly.
The evaporator coil had a thin layer of frost on it, which is normal, so the sealed system was working properly.
I replaced the evaporator fan motor, and it started working normal again.
Here’s the evaporator fan motor for this model:
Western Arizona Weather:
Mostly sunny, with a high near 79. North northeast wind around 5 mph becoming west northwest.
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm.