Appliance Factory Parts' internet site was very easy to navigate, and the item purchased arrived within the time specified. I'd buy from tham again if the need arises.
Back panel - right - for: ada/asa/aua711
Back panel - right - for: ada/asa/aua7112 wet section (22 1/4 x 34 9/32)
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.