This must have been the answer. There wasn’t a thing in the attic that would lead me to believe that it was hotter in this section.
I did find a roof flashing on the furnace flue that needed a little help, but that was on the back side of the house. I guess that not every “clue” actually leads to a defect.
Thanks guys! Guess you all can get on with your lives!
Merry Christmas!