What was found
DURING C-04 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF AFT CARGO COMPARTMENT CORNER PROFILE FR 58 - 59, LBL 686 MM. MAINTENANCE REMOVED AND REPLACED AFT CARGO COMPARTMENT CORNER PROFILE FR 58-59, LBL 686 MM IAW A320 SRM 53-41-14, FIG. 24, PG. B31-B32.