As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RBL 9 FLOOR BEAM CAP IS CORRODED FROM FS 559 TO FS 559+80. C-CHECK RO 10/1/2020. INSTALLED A NEW SERVICEABLE RBL 9 FLOOR BEAM CAP P/N 601R31119-75 FROM FS 559 TO 559+112, IAW CRJ 200 SRM AND DRAWING. COMPLIED WITH TASK CARD AND FORM 337 ATTACHED. WEIGHT AND BALANCE NOT AFFECTED.