What was found
MCN - MINOR REPAIR - DURING C-04 CHECK EXFOLIATION CORROSION WAS FOUND ON AFT CARGO COMPARTMENT CENTER PROFILE AT FR 56, BETWEEN STR 42 LT AND STR 41 RT. MAINTENANCE REMOVED CORRODED CENTER PROFILE AT FR 56, BETWEEN STR 42 LT & STR 41 RT; FABRICATED A NEW REPLACEMENT PROFILE; INSTALLED REPAIR PART IAW SRM 51-42-11, PG 21-22, FIG 8, PG 8-11, FIG 2, AND PG 12, FIG 3.