Clecoed the doubler, spacer and hinge to the F866B bulkhead. Squeezed the AN470AD4 rivets across the bottom of the bulkhead, then squeezed the AN426AD4 flush rivets to hold the bulkhead and doubler together. Cut out a notch in the access door to clear the F873G baggage door hinge support. Scuffed and cleaned the door, then shot with primer.