As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVING COCKPIT FLOOR AFT SUPPORT FOUND RH FS280 CROSSBEAM TO HAVE CORROSION (C-CHECK) RO 3/2/2021 REMOVED AND REPLACED RH FS 280.00 NEW CROSSBEAM P/N CC670-34094-2S REF CRJ700 SRM 51-42-06-001-001-A01, SRM 51-42-22-001-001-A01, AND DWG CC670-34010 REV -K , COMPLIED WITH TASK CARD 51-900-1002-SKY