What was found
DURING C-CHECK INSPECTION IN BNA, THE RIGHT BUTT STRAP WAS FOUND TO HAVE CORROSION BETWEEN FRAMES 21 AND 26. THE LEFT BUTT STRAP WAS ALSO FOUND WITH CORROSION BETWEEN FRAMES 21 AND 26 WITH IT ONLY BEING OUT OF LIMITS FROM FRAME 21 TO FRAME 23. MAINTENANCE REMOVED AND REPLACED THE CORRODED RIGHT AND LEFT BUTT STRAPS IAW SRM'S 51-25-00, 51-14-02, AND 51-40-02. (M)