As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BC-4 CHECK, GALVANIC CORROSION WAS FOUND ON FLOOR SUPPORT Y254 LT AT FR 16. MAINTENANCE REMOVED CORRODED FLOOR SUPPORT Y254 LT AT FS 16; FABRICATED A NEW REPLACEMENT FLOOR SUPPORT PER DWG D53112816; INSTALLED REPAIR PART IAW A320 SRM 51-42-11.