As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME SEGMENT CORRODED AT FS 310.00 BETWEEN STGR 23L AND STGR 25R. C-CHECK RO 12/30/2020. REMOVED AND REPLACED LOWER FRAME SEGMENT AT FS 310, IAW CRJ 200 SRM. COMPLETED TASK CARD AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED.