Started with cutting all the stiffeners out, collecting all the parts, and getting everything primed. I find priming such a hassle between part prep/scuff/clean, setting up the spray area, getting the HVLP gun set up, getting primer poured and mixed, and resulting cleanup, that I try to do as much at once as I can. This time I think I got everything without missing a part. It's always super annoying to have some tiny component at the end that I forgot to prime. Makes me wish I used the rattle can zinc chromate sometimes instead of the P60G2 just for the convenience. For those using epoxy primers, it seems even a larger hassle.
Right off the bat, I managed to over-countersink the inboard hinge brackets. I love the single-flute countersink cutters in that they produce a really clean cut, but they bite so much into the material if you don't set the countersink cage to a shorter depth than you need it's pretty easy to have it pull way too far into the material. I thought for a moment that I could just rivet and move on, but it was inset deep enough that I didn't feel comfortable with it, and ordered a new part from Vans. They were super fast, however, and got me the replacement in a week.