As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKED STIFFNER AT FS 621.00/STGR 16L. C-CHECK RO 1/28/2021. REMOVED AND REPLACED STIFFENER, IAW CRJ200 SRM 51-42-06 REV 38B DATED 25 NOV 2020. FORM 337 AND MAJOR REPAIR TASK CARD 51-900-1003-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.