As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT FLOOR SUPPORT AT FS.280 BETWEEN LBL9 AND RBL9 HAS CORROSION. (C-CHECK) RO 8/14/2020 REMOVED AND REPLACED THE COCKPIT FLOOR SUPPORT AT FS.280 BETWEEN LBL9 AND RBL9 WITH NEW REF. CRJ 700 SRM AND BOMBARDIER DWG. COMPLIED WITH SKYWEST CARD AND SKYWEST M-337 FORM.