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 FS 333.00 COMMON TO STGR 25L. C-CHECK RO 12/14/2020. REMOVED AND INSTALLED NEW STRINGER JOINT PIECE FS 333.00 COMMON TO STGR 25L, REF CRJ 700 SRM DWG. COMPLIED WITH TASK CARD. PRESSURE CHECK GOOD.