What was found
DURING C-04 CHECK CORROSION WAS FOUND ON AFT CARGO COMPARTMENT LT PROFILE BETWEEN FR 57 AND FR 58. MAINTENANCE REMOVED DAMAGED LT PROFILE BETWEEN FR 56 AND FR 58; INSTALLED NEW REPLACEMENT PROFILE IAW A320 SRM 51-42-11, PG. 21-22, FIG. 8, PG. 8-10, FIG. 2, AND PG. 12, FIG. 3.