What was found
DURING C-CHECK, FOUND FUSELAGE, RT SIDE FRAME FS 225, HAS CORROSION APPROXIMATELY BETWEEN L21R AND L36R. REMOVED SECTION OF FRAME WITH CORROSION FABRICATED NEW FRAME SECTION AND SPLICE IAW SRM 53-2-0, FIGURE 2, PAGE 5. TREATED, PRIMED, AND INSTALLED IAW SRM 51-1-8 AND SRM 53-2-0, FIGURE 2.