Had 2 damaged MacBook Airs, one with a hot cocoa spill and the other with a cracked LCD.
Awesome. Tore them down side-by-side using ifixit's excellent teardown guide, and reassembled the working base with the working LCD. Two broken Airs yielded one in perfect working condition.
Clear out plenty of space on a table and cover it with white or kraft paper so screws are easy to see and you can make little notes as you go.