As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MBV INSPECTION, QA FOUND CORROSION AT THE FWD NUT PLATE HOLE OF THE LAV RT HAT BEAM. AIRCRAFT WAS REMOVED FROM SERVICE FOR MBV INSPECTION AND WILL BE RETURNED TO SERVICE AFTER MBV INSPECTION. REMOVED DAMAGE AND INSTALLED DOUBLER TO RT HAT BEAM AT FWD NUT PLATE HOLE IAW SRM 53-24-10 REREPAIR 3. AIRCRAFT WILL BE RETURNED TO SERVICE AFTER MBV INSPECTION.