As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TOILET SERVICE ACCESS PANEL FWD LOWER CUTOUT CORRODED. REPLACED THE CORRODED STIFFENER AT TOILET SERVICE ACCESS PANEL FWD LOWER CUTOUT PER A300-600F SRM51-40-21 & DWG.A53612375(ISSUE.K). THIS IS CAT A REPAIR. MAJOR REPAIR IAW FEDEX GMM6-2-100.