What was found
DURING C-CHECK INSP, NOTED CORROSION ON AFT CARGO COMPARTMENT LT PROFILE, FWD AREA OF AFT CARGO, AT FRAME C47 TO FRAME C51. MAINT REMOVED AND REPLACED PROFILE AT FRAME C47 TO FRAME C51 IAW SRM 51-72-11, 51-21-11 AND 51-42-11. UPON COMPLETION FO THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE. (B)