As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STGR26R JOINT PIECE IS CORRODED AFT OF FS333.00 (C-CHECK) RO 3/25/2020 STGR 26R JOINT PIECE HAS INTERGRANULAR CORROSION NEAR FASTENER HOLES OUT OF LIMITS REF CRJ 700 SRM. REMOVED AND INSTALLED NEW STRINGER JOINT PIECE STGR 26R FS333 REF CRJ 700 SRM AND DWG. PERFORMED LEAK CHECK OF OUTER SKIN IN REPAIR AREA LEAK CHECK GOOD NO DEFECTS NOTED REF CRJ 700 AMM.