As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING B-04 CHECK EXFOLIATION CORROSION WAS FOUND ON FLOOR SUPPORT Y254 LEFT AT FR 17. MAINTENANCE CUT OUT CORRODED SECTION OF FLOOR SUPPORT Y254 LEFT AT FR 17; FABRICATED A FILLER AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW A319 SRM 53-11-14 FIG 201.