As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVING FLOOR SUPPORT STRAP, FOUND CORROSION ON PRESSURE FLOOR SILL (PANEL) BETWEEN LBL 27-LBL 42 AT FS 559.00. C-CHECK RO 11/21/2020. REPAIRED PRESSURE FLOOR SILL (PANEL) BETWEEN LBL 27-LBL 42 AT FS 559.00, REF REO. COMPLIED WITH TASK CARD, REF REO.