Aft Fuselage July 28, 2018 at 6:15 pm By abe No comments 8.12.13-15 Drill skins to ribs More match drilling again, this time skins to the ribs. Share this page:TweetPrintLike this:Like Loading... Related < 8.12.13 Drill bottom J Stiffeners 8.15.1 – 4 – Notch longerons and fit to aft fuselage >