As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS 333 FRAME IS CORRODED BETWEEN STGR 26L AND STGR 25R. C-CHECK RO 11/24/2020. INSTALLED SERVICEABLE 333 LOWER FRAME BETWEEN STR 26L AND 25R, IAW CRJ 200 SRM. COMPLETED TASK CARD AND ATTACHED COMPLETED FORM 337, NO WEIGHT CHANGE. REFERENCE CONTINUATION CARD FOR WORK PERFORMED.