What was found
SAL - MAJOR REPAIR - DURING C1 CHECK DISCOVERED GALVANIC CORROSION LOCATED ON THE FLOOR SUPPORT EXTRUSION AT STA 1718, BL 0, WL 208.1. NO ALLOWABLE DAMAGE LIMITS FOUND. MAINTENANCE REMOVED CORRODED FLOOR EXTRUSION LOCATED AT STA 1718, BL 0, WL 208.1 IAW BOEING 757 SRM 51-40-02 PG 1. INSTALLED REPLACEMENT FLOOR EXTRUSION AT STA 1718, BL 0, WL 208.1 IAW BOEING 757 SRM 51-40-02.