Taped brackets on rib & positioned servo box on brackets. Drilled #19 holes into servo brackets. Dimpled nutplate rivet holes. Used lacquer thinner & enamel cleaner on all brackets & nutplates & then primed brackets & K1000-8 nutplates. Riveted nutplates to rib using 426-3-4 rivets. Riveted A, B, C, & D brackets to rib using 426-4-6.5 rivets. Riveted brackets to servo using 426-4-5 rivets.
