What was found
MCN - MAJOR REPAIR - C4 CHECK - LEVEL 2 CORROSION ON MAIN CABIN FLOOR SUPPORT CHANNEL BS 1640 - BS 1661, BL-0, WL 208. REPLACED MAIN CABIN FLOOR SUPPORT CHANNEL BS 1640 - BS 1661, BL-0, WL 208 IAW B757 SRM 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - MAJOR REPAIR - C4 CHECK - LEVEL 2 CORROSION ON MAIN CABIN FLOOR SUPPORT CHANNEL BS 1640 - BS 1661, BL-0, WL 208. REPLACED MAIN CABIN FLOOR SUPPORT CHANNEL BS 1640 - BS 1661, BL-0, WL 208 IAW B757 SRM 51-40-02.