What was found
DURING C-CHECK INSPECTION IN BNA, THE CENTER BUTT STRAP WAS FOUND CORRODED BETWEEN FRAMES 13 AND 16 AND ALSO BETWEEN FRAMES 18 AND 21. MAINTENANCE REMOVED AND REPLACED THE CORRODED SECTIONS OF THE CENTER BUTT STRAP IAW SRM'S 51-21-02, 51-25-00 AND 51-40-02. (M)