As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY VACUUM OUTLET SKIN CUT OUT HAS CORROSION. ACFT GROUNDED. ORIGINAL MATERIAL THICKNESS OF THE LAV VACUUM OUTLET SKIN IS .125", REMOVED CORROSION .006" REMAINING THICKNESS .119" UT GAUGE T8335Y FOUND TO BE WITHIN LIMITS IAW SRM 53-00-01. PAINTED IAW SRM 53-00-01.