As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-4 CHECK, INSPECTION REPORTED CORROSION IN FWD LAV AREA, FR16 AND Y503.2. DUMMY RAIL WAS FOUND TO BE OUT OF LIMITS PER SRM 53-11-14. REMOVED CORRODED DUMMY RAIL PER SRM 51-42-11. LOCATED AND DRILLED NEW DUMMY RAIL PER SRM 51-44-11 AND AIRBUS DWG B2 D53110984. INSTALLED NEW DUMMY RAIL PER SRM 51-42-11 AND AIRBUS DWG B2 D53110984.