clecoed on the rear deck when I attached the bulkheads and top skin.
Centered up the rear deck and drilled the attachment holes for the deck to the top longerons. Drilled out the two #12 bolts for the rear angle on the rear deck.
Aligned the left and right 816 rails and clamped them into place. Cleoced up the bulkhead and mid skin. Drilled out the attachment holes for the rails to the upper longerons and match drilled the main bulkeheads to the rails.