As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-04 CHECK EXFOLIATION CORROSION WAS FOUND ON UPPER SURFACE OF Y254 FLOORBEAM AT FR 20. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS, CUT OUT CORRODED SECTION OF Y254 FLOORBEAM AT FR 20; FABRICATED A FILLER AND 2 EACH REPAIR ANGLES; INSTALLED REPAIR PARTS IAW A320 SRM 53-11-14 PG 202-203 & 205-206, FIG 201.