As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO PIT FLOOR PANEL ATTACH RAIL AT STA 500D HAS CORROSION ON AFT SIDE R/H SIDE / REMOVED CORROSION AT FWD CARGO FLOOR PANEL ATTACH RAIL STA 500D IAW SRM 51-10-02-0G-0 STEP 15 (100% MATERIAL LOSS). REMOVED / REPLACED FLOOR PANEL ATTACH RAIL AT FWD CARGO STA 500D FROM LBL 21 TO RBL 21. IAW SRM 51-40-02-0G-0 (BOEING DWG# 143A94581 REV A. TAG# WN0997