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 RBL 27.0 FLOOR BEAM CAP OUTBOARD LIP AT FS 559.00. C-CHECK RO 11/21/2020. REMOVED CORROSION FLOOR SUPPORT STRAP ON RBL 27.0 FLOOR BEAM CAP OUTBOARD LIP AT FS 559.00. COMPLIED WITH MHIRJ REO.