Brief Description: Front, rear spar and rib flange dimpling
Dimpled holes in both flanges of front spars. Dimpled required holes in rear spars. Countersunk inboard upper 29 holes as indicated in rear spars to allow trim tab hinge attachment. Dimpled root ribs at spar attach points. Dimpled the 1/8" holes in the inboard shear clips as indicated. Dimpled all upper and lower rib flanges including inboard and outboard counterbalance ribs.
