Mon am 0.5 - finished countersinks, primed, cleco'd nutplates
Mon pm 2.0 - install nut plates and tie down

What was supposed to be about an hours worth of finish up turned into a 2 hr struggle this evening. The bolt holes didn't align well on the tie downs and I had to drill out all the rivets and wrestle the nutplates into alignment. Finally riveted one ear of nutplates, installed the bolts through the spar and then back drilled the opposite rivet. I oblonged the hole in the tie down a little bit, but they're only there to keep the nutplates from rotating so doesn't risk anything. Then unbolt everything, rivet the nutplates, reinstall, tighten bolts and cross fingers for alignment. Finally everything aligned and then installed the -4 rivets to finish it off.

Spars are done. Cleaned up the shop.