As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND FUSELAGE SKIN CORRODED AROUND AFT LAV SERVICE PANEL AT STA 1183, STRINGER 20L TO 23L. THE CORRODED AREA OF SKIN AND STRINGER WERE REMOVED, SKIN AND STRINGER WERE FABRICATED AND INSTALLED IAW SRM 53-30-3, FIGURE 12 AND SRM 53-10-3, FIGURE 1.