As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MX INSP, CORROSION WAS NOTED AT THE AFT LAVATORY SERVICE DOOR STA 1183, STR 22L. REMOVED AFT DOOR SERVICE PANEL, REMOVED CORROSION FROM INTERNAL DOUBLER. FABRICATED TIPPLER FROM 7075 T6 DIM 20" X 20" .071", DOUBLER FROM 2024 T3 DIM 8" X 27" .020". INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.