Deburred and dimpled RH outboard subframe. The #36 holes in the leading edge worked well to center the Simple Dimple and make a good concentric dimple. Updrilled the resulting hole to 1/8" which provides a snug fit for the rivets.
Primed all surfaces on the subframe that will contact the skin.
Deburred and dimpled the RH middle skin. Updrilled the leading edge dimpled holes to 1/8".
