Fit W19-01 Aft Upper Wing Skin to the left wing, drill same #40 and cleco. Debur and rivet W16-06 Aft Root Rib, W17-08, -09 Reinforcement Angle, W20-02 Root Rib Attach Angle, W20-03 Root Rib Attach Angle, W13-02 Root Rib Attach Angle, W15-05 Fwd Root Rib, W17-06, -07 Reinforcement Angle to W08-01L Left Main Spar and W12-01L Left Rear Spar.
