The normal sequence of events after drilling the aft upper skin is to mount the main landing gear legs, and to install the skin and ribs that fair in the gear legs to the fuselage. Well, I decided to powder coat some of the steel parts needed for that exercise, and I took them in to the powder coating place much later than planned. So, I moved ahead to the next series of stuff - the upper fuselage ahead of the cockpit.

Here you see the F-821 forward upper skin drilled and clecoed in place. The strap clamps were used to make sure it was tight against the bulkheads. The aft upper skin (right side of the picture) is just sitting in place - I won't rivet it until I install the wiring, etc in the aft fuselage.