Apple says their MacBook Air can only be serviced by the Mothership. While that’s smart while it’s under warranty, at some point the Air will become fair game for DIY fixing. You knew someone was going to ignore Apple’s FUD regarding opening the Air, and make it public to boot.
The nice folks at ifixit.com in Atascadero, CA have documented a complete teardown of a MacBook Air, including photos. Click this thumbnail to see it all:
BTW, iFixit is my first stop when I’ve got an Apple-related hardware problem. Their how-to guides have walked me through more than one laptop teardown. Others sell hard drives and memory for less, but if you need other bits for an Apple product you need to go there. Seriously.