As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO PIT PANEL 140CF HAS CORROSION ON THE UPPER SURFACE A LONG THE PERIMETER. / EVALUATED FLOOR PNL 140 CF AT AFT CARGO FOUND CORROSION IN SEVERAL AREAS EXCEEDING 3' IN LENGTH OUT OF LIMITS IAW SRM 53-00-53-1A-1. REPLACED FLOOR PNL 140CF IAW BOEING DWG 453A2610