Remove the following screws securing the logic board:

Two 23.7 mm T8 screws

One 20.1 mm T25 spacer screw

One 17.6 mm T8 screw

One 7.2 mm T8 screw

Three 7.1 mm T8 screws

One captive T8 screw

This screw is beneath a hole in the logic board. If you aren't using an iFixit driver, you may need an extension or a screwdriver with a longer shaft.