As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT FLOOR BEAM CAP AT RBL 27.00 IS CORRODED BETWEEN FS 559.00+80 AND FS 559.00+112 ON THE INBOARD AND OUTBOARD EDGES. C-CHECK RO 10/1/2020. REMOVED AND REPLACED FLOORBEAM CAP AT RBL 27 FS 556+16-FS 574, IAW CRJ 200 SRM. COMPLIED WITH TASK CARD AND ATTACHED COMPLETED 337. NO WEIGHT CHANGE NOTED.