Finished match drilling R. Fuel Tank - Skin to Ribs, Stiffeners, and Baffle.
Opened up the holes in the Skin that attach the fuel tank to the Main Spar to #19.
Countersunk all the Skin holes that attach to the Baffle.
NEXT: Mount assembly to Main Spar. Match Drill Fuel Tank Skin to W-423 (Joint Plate). Final size those holes to #19. Drill Tank Reinforcement Plates and Bracket. Dimple Skin, Ribs, and Stiffeners.