As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS333 FRAME HAS CORROSION BETWEEN STGR 25R AND STGR 25L. C-CHECK RO 9/1/2020. REMOVED CORROSION AND FOUND FRAME AT FS.333 TO BE OUT OF LIMITS REF CRJ 200 SRM. INSTALLED A NEW FRAME AT FS.333 REF CRJ 200 SRM AND DRAWING. COMPLIED WITH TASK CARD. SEE CONTINUATION FOR FURTHER DETAILS.