Deburred and squared flanges on W22-03R, RH fwd rib #6
Updrilled to #30 all RH outboard folding rib doubler and rib #6 holes.
Through drilled doubler, #6 rib, pivot block, and doubler channel with #27 drill for the MS24693 6-32 screws. Could have used a #29 drill for a tighter fit.
Countersunk all holes on the doubler plate for the flush rivets and screws.
