Aligned tip rib w/skin and drilled holes w/#41 bit. Did same w/root rib. Took skeleton out of jig and deburred all holes. Dimpled holes w/pneumatic squeezer except for last 3-4 holes in both ribs. Dimpled those holes using dimple die set squeezed by two sets of vise grips. Did not dimple three holes over which counterbalance skin will lie. Deburred holes in left elevator skin and spar. Pulled tape off left elevator exterior along spar rivet lines. Dimpled holes in spar and skin.
Visitors-Walt Hollingsworth, Bill Peterseim (helped Bill repair parts of his Nanchang CJ-6 (YAK-18))
