The F-787 Stiffener web is pretty straightforward, but the clip that ties it into the F-707 bulkhead is supposed to have a hole predrilled the you fabricate it, and it seems like if you dislocate it even slightly it would throw off the pre-drilled holes that match up with the skin. I clecoed it to the F-706 bulkhead and without the skin in place, it was pretty wobbly. Installed the fwd skin with enough of the left side unchecked that I could reach under and match drill the clip in place.

Match drilled all holes in skin.

The next section of the plans deals with the F-6111 skin reinforcements, and are extremely vague. something like" trim to fit, you will have to twist to match contour and maybe flute."

At first these look like they are way too long, but it turns out that they don't need to be trimmed for length at all. Just have the outboard flange trimmed to match the angle of the longeron on the bottom and the F-706 on the top end. My process was to mark a centerline on the outer flange, trim the bottom flange to the correct angle, then drill and cleco the lowest hole. I then started trimming the top end of the outer flange a little bit at a time. Once I saw teh centerline through rivet holes I knew I was done. Match drilled and clecoed.

Took me probably a couple of hours to figure out how to do this and to creep up on the trimming, but if I had it to do over, I could knock these out in about 20 minutes. It's that easy, once you understand where to trim.