As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MBV INSPECTION FOUND THE CENTER LAV OMEGA BEAM CORRODED AROUND THE FORWARD NUT PLATE HOLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED DAMAGED AREA, FABRICATED AND INSTALLED REPAIR PARTS IAW EO EM-53MR-2120. CORROSION LEVEL NOT SPECIFIED. THE AIRCRAFT WAS RETURNED TO SERVICE.