Only a single picture, but more work on the cockpit floors today.
Got all the stiffeners fit and match drilled. Put the seatback hinge in place and match drilled. Fit a spacer for the hinge between the floorboards where they overlap, so that it doesn’t bend the hinge.
Now I can take the floorboards, prime the underside along with the stiffeners before they get back riveted on.
Also riveted the footwells together. The longeron yoke worked great for all but 8 rivets, so those had to be bucked with the gun and bar.

