W04-05R -05L Right and Left Hand Aileron Drive Rib Assemblies - Drilled #40 pilot holes. Updrilled #30 holes. Also updrilled to 3/16th the attachment hole. Rivetted the assembly per the plans. W04-06R -06L Aileron Hinge Halves - Cut the hinge halves to length per the plans. Drilled the #40 pilot holes per the plans. Used the yard stick gig to locate the holes. Skipped the holes that were at different locations. Those holes were located and drilled by hand.

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