What was found
RT COCKPIT FLOOR HAS MULTIPLE CORRODED RIVETS, 3 PREVIOUS REPAIRS FORWARD OF STA 186 ARE NOT IN DAMAGE LOG. THE O/B MOST REPAIR DOES NOT TIE INTO THE RIVET ROW OF THE ADJACENT VERTICAL WALL PANEL. REFERENCE TD # 340-53-11-27 DATED 12-10-11, MM409#407280 FOR REPAIR DETAILS.