Finished match drilling anti-rotation blocks for 5/16" vent lines to out/ inboard ribs and 3/8" return lines to inboard ribs. Drilled holes in second inboard rib for vent and return line access.
Tanks now ready to assemble and proseal.
Match drilled #30/40 as appropriate, right wing flap and aileron gap seals to skin and aft spar. Started deburring all holes.
