Rivet W15-06 x 4 Gusset, W15-07 x 4 Gusset to W15-05 x 4 Forward Rib. Rivet W16-07 x 4 Gusset, W16-08 x 4 Gusset to W16-06 Aft Rib. Cleco W15-05 x 12 Forward Rib, W14-02 x 10 Center Spacer, W14-03 x 8 Web Spacer, W16-06 x 12 Aft Rib to W08-01R Main Spar.
