Thanks for the fast reply Repair-man.
I read your post and was preparing to empty the freezer to remove the back panel and look for frost when my wife tells me, "oh i fixed the fridge this morning" .
She says she slapped the area where there is a little hole you can see the mercury thingy next to the vent in the fresh food section and cold air started pouring into the fridge? and sure enough its cooling now.
I believe there is a PC Board there, could that be intermittent and cause this problem?
It seems very odd to me but im glad its working for now.