They USED to do something similar. When the G5 iMacs had problems with bad capacitors on the motherboards, Apple would send you the replacement midplane with s

They USED to do something similar. When the G5 iMacs had problems with bad capacitors on the motherboards, Apple would send you the replacement midplane with swap instructions, along with a box to return the old one in. I took pictures of the process: https://www.flickr.com/photos/mrbill/albums/1340761 https://www.flickr.com/photos/mrbill/albums/1340761 They eventually switched to "take it to the local Apple store or mail it in".