As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERNAL LOWER FUSELAGE LAVATORY SERVICE PANEL CUT OUT EDGE DOUBLER AFT/INBD CORNER BUCKLED COMPLIED WITH EA F-5330-157269 FUSELAGE PLATES AND SKIN-SECTION 41-SKIN CORROSION. REPAIR STA 418-430 S-28L REF 8100-9 DATED MAY 17, 2012. MAJOR REPAIR.