11 AUG 14: Page 13-4 step 5, page 14-2 steps 2-10, page 14-3 steps 1-2: 7 hours

Riveted the fuel tank and wing attach nut plates to the spar assemblies.  Forward:

Aft:

Clecoed the ribs to the spar assembly:

Match-drilled #12 the upper and lower attach points on the W-1010/1011 ribs that will be attached with bolts to the main spar assemblies.  Use a wood block to support the forward flange of the ribs:

Final drilled #30 all the remaining common attach holes in the forward flange of the ribs and web of the main spar assemblies.  Final drilled #40 all the common attach holes in the upper and lower rib tabs and the flanges of the main spar assemblies.  Both spars completed: