Assembled rib L brackets to wing ribs. Riveted in place. Assembled aileron horn bracket and reinforcing channel and riveted in place. Riveted wing tip to wing spar. Riveted wing tip L bracket in place. Clamped and plumbed wing rear ribs. Verified alignment, drilled and clecoed the 9 rear ribs, 3 at a time. Marked and drilled holes in wing spar brackets for nose ribs.
