What was found
DURING C-04 CHECK CORROSION WAS FOUND ON UPPER SURFACE OF AFT CARGO COMPARTMENT FLOOR SUPPORT (PROFILE) AT FR 56, Y10. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; REMOVED DAMAGED PROFILE AT FR 56, Y10; FABRICATED A NEW REPLACEMENT PROFILE; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, PG 7-10 & 12 FIG 2 & 3.