As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON SUBTHRESHOLD WEB AT AFT CARGO BAY BS794 - BS847 RBL23 WL160. REMOVED DAMAGE FROM ACB SUBTHRESHOLD WEB IN AREAS OF 13" X 8" ORIGINAL MATERIAL THICKNESS 0.045" MORE THAN 50% MATERIAL LOST FOUND TO BE OUT OF LIMIT IAW SRM 53-60-15-1A-1 LOCATED AND DRILLED NEW SUBTHRESHOLD WEB ITEM # 7531818 IAW SRM 51-40-05-0G-0 AND DWG # 146A8123 AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG # 146A8120