As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO BAY; STA 887 FLOOR PANEL SUPPORT HAVE SEVERAL AREAS OF CORROSION. / AFT CARGO BAY; STA 887 FLOOR PANEL SUPPORT CORRODED. 100% MATERIAL LOSS. LOCATED AND DRILLED NEW FLOOR PANEL SUPPORT P/N 146A9401-35 SI#7530863 ATAG WN 6228 IAW BOEING DWG.146A9401 REVA AND SRM 51-40-05