As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2276552) DURING INSPECTION FOUND CORROSION ON FUSELAGE SKIN PREVIOUS REPAIR TRIPLER AROUND OF LAVATORY BLOW OUT EXHAUST. DOUBLER AND TRIPLER ON THE PREVIOUS SKIN REPAIR AROUND OF LAVATORY BLOW OUT EXHAUST WERE REPLACED PER ER/A 558864-14.