Samsung French door ice build up around evaporator outlet

yes my question today is about the Samsung refrigerator fresh food section ice build up that would eventually hit the fan the unit is not clogged and the defrost sensor has been replaced but ice buildup seems to form any upper right-hand corner around the evaporator outlet this seems to take two weeks to form I have already installed the kit from the service pointer and still have issues with it I have attached a picture and would like to know if this is a possible re-striction there is no cooling issues whatsoever The unit is not clog in anyway
The unit cools fine there is a good frost pattern

I do have a couple of pictures if that helps