I deburred and dimpled the rear spar on the left wing. The rear spar is much thicker than the ribs, so after dimpling the spar with the squeezer, I had to use the microstop countersink to make the dimples a little bit deeper so that the skin will seat fully.
I also received an order today from SteinAir with my roll servo wire and an assortment of snap bushings and grommets.