Assemble T3-06 Forward Spar Channel, T6-06 x 2 Clip, T6-05 x 2 Forward Root Rib Clip to T6-03 Forward Spar Fitting, drill all #40 and cleco, to make T3-05 Forward Spar Assembly. Assemble T3-04 x 2 Main Spar Channel, T3-03 x 2 Attach Angle to T3-02 Main Spar Fitting, drill all #40 and cleco, to make T3-01 Main Spar Assembly.