Image 1 shows me match drilling the mid-span Aileron Doubler. The Doubler was located by measuring from the outboard edge. Image 2 shows the mid-span Aileron Doubler still clamped in place after match drilling. Image 3 shows the outboard Aileron Doubler clamped in place ready for match drilling.
Match Drilling the Aft Spar Mid-Span Aileron Doubler
Top Flange of the Aft Spar Mid-Span Aileron Doubler Match Drilled
Aft Spar Outboard Aileron Doubler Clamped in Place
