The only non-fly-by-wire part of the Shuttle was the landing gear, since it couldn't be reversed and accidental deployment on-orbit would be very bad.

Here are the buttons the PLT would push to trigger them (ARM and DN) 👩‍🚀

(From Real Engineering:
https://www.youtube.com/watch?v=w4FCkbPykdQ and https://GigaPan.com)