As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF SERATED MOUNT PLATE FOR PAX DOOR FWD ANCOR FITTING, BRACKET ATTACHING TO FS310 UNDER SERATED MOUNT PLATE HAS CORROSION. (C-CHECK) RO:1/17/2020REMOVED, REPLACED AND INSTALLED NEW GUSSET AT FS 310 REF CRJ 200 SRM 51-42-06, REO AND BOMBARDIER DWG.