As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SERVICE PANEL CUTOUT STIFFENER WITH INTER-GRANULAR CORROSION AT LOWER EDGE, BETWEEN FR12 AND FR12A. REPLACED THE CORRODED STIFFENER OF LAVATORY SERVICE PANEL CUTOUT PER SRM 51-40-21.THIS REPAIR CATEGORY IS"A" MAJOR REPAIR IAW GMM6-2-100.