What was found
DURING C-04 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF AFT CARGO COMPARTMENT FLOOR PROFILE FR 58, LBL 660MM TO RBL 660MM. MAINTENANCE REMOVED AND REPLACED AFT CARGO COMPARTMENT FLOOR PROFILE FR 58, LBL 660MM TO RBL 660MM IAW AWA E.R. 26-5341-03142-TB5.