As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON STRINGER JOINT PIECE AT FS 333.00 COMMON TO STGR 23R. C-CHECK RO 12/14/2020. REMOVED AND INSTALLED NEW STRINGER JOINT PIECE AT FS 333.00 COMMON TO STGR 23R, REF CRJ 700 SRM AND DWG. COMPLIED WITH TASK CARD. PRESSURE CHECK GOOD.