Placing Clecos into the upper wing skins to secure the skins for riveting.
All three top skins are secured with Clecos and ready for riveting to begin.
Using the pneumatic rivet puller to set the first of many flush rivets into the W-1201C-R wing walk doubler plate.
Setting the last flush rivet forward of the main spar.
It was getting late so worked was halted for the evening leaving the line of rivets in the main spar as the next location for riveteing when work continues tomorrow.