As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT FLOOR CROSSBEAM CAP IS CORRODED BETWEEN RBL 27.00 AND RBL 36.00 AT FS 559.00+80. C-CHECK RO 10/1/2020. REMOVED, LOCATED, DRILLED, AND INSTALLED A NEW SERVICEABLE RT FLOOR CROSSBEAM CAP BETWEEN RBL 27.00 AND RBL 36.00 AT FS 559.00+80 P/N 601R32215-17, IAW CRJ 200 SRM.