Step 15 Marked fuselage skins and removed rivets. Carefully drilled heads until they popped off, then punched remaining portion of rivets through skin.
Steps 16 and 17 NA. Aircraft not painted.
Step 18 Removed rivets and removed F-1204T-L & -R skin stiffeners. Used a 90-degree drill and drilled out rivet heads from above and then punched out remaining portion of rivets.
