As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE / SKIN / AFT LAV SERVICE CUTOUT / FS 986.5 / STRG. 27R : CORROSION CUTOUT REPAIR AN AREA OF CORROSION WAS FOUND IN THE SKIN AT THE FWD INBD CORNER OF THE AFT LAVATORY SERVICE DOOR CUTOUT. THE CORROSION WAS REMOVED WITH A 4" X 4" CUTOUT IN THE SKIN. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 384164-14, REV B.