Brief Description: Deburr and C-Sink understructure
Trimmed F-1001C to access hole on F-1041 lwr fuselage channel. Drilled same.
Verified F-1013 L+R longeron max distance from last rivet and trimmed as appropriate.
Dissassembled all parts used in this section. Countersunk F-1015C cabin mid deck holes. Deburred F-1069 and F-1070 fuselage skins. Deburred fuselage understructure.
