23 NOV 14: Page 17-4 steps 4-5, page 18-2 step 5: 5 hours

Finished riveting the right leading edge to the main spar:

Riveted the ribs to the wing spars:

Began the left tank: clecoed the T-1011 tank stiffeners and the VA-112 drain flange to the tank skin:

 Final drilled to the tank skin:

24 NOV 14: Page 18-2 steps 5-6, page 18-3 step 1: 2 hours

Finished final-drilling the stiffeners.  Clecoed and final-drilled the T-1003-L, T-1003C-R, and T-1004-L tank ribs to the tank skin.  Fit and match-drilled the T-1009 tank J-stiffener to the T-1001-L tank skin – no pics.

25 NOV 14: Page 18-3 step 2, page 18-4 step 1: 1.4 hours

Clecoed and final-drilled the T-1005-L tank attach bracket to the T-1001-L tank skin and T-1003C-R tank inboard nose rib:

Clecoed and final-drilled nutplates to the T-1012 tank attach Zs. Countersunk the tank attach Zs for the nutplate attach rivets:

26 NOV 14: Page 18-4 steps 2-6: 3 hours

Clecoed and final-drilled the T-1003B-R tank inboard rib aft to the T-1001-L tank skin and T-1005-L attach bracket.  Clecoed and final-drilled the T-1002 tank baffle and T-1012 tank attach Zs to the tank rib aft flanges:

Clecoed and final-drilled the T-1001-L tank skin to the upper and lower flanges of the T-1002 tank baffle:

 Drilled all the screw holes in the T-1001-L tank skin to #19.  Machine countersunk the row of holes that attach the T-1001-L tank skin to the T-1002 tank baffle: