As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE LAVATORY BUCKET HAS 2 SMALL SPOTS OF CORROSION RIGHT AROUND THE VAVLE BODY. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED CORROSION ON LAVATORY BUCKET IAW EO EM-53MR-1867. THE AIRCRAFT WAS RETURNED TO SERVICE.