Removed all remaining parts from forward fuselage and deburred all. Countersunk #30 holes in L & R F-844 auxiliary longerons. Countersunk #30 holes in L & R F-802 landing gear box plates. Countersunk #40 holes in L & R F-844 auxiliary longerons. Drilled, deburred, dimpled and countersunk F-820-R-1 forward side skin bottom right hole for AD5-8 rivet.