As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR CUTOUT LOWER SILL HAS EXFOILIATED CORROSION IN MULTIPLE AREAS. CORROSION IS AT AND EXTENDING UNDER J1MB AND J2MB CONNECTOR MOUNT BLOCKS. ALSO PROX SWITCH AND AT AFT LOWER CORNER OF CUTOUT. REMOVED AND REPLACED PAX DOOR CUTOUT LOWER SILL IAW CRJ 200 SRM 51-42-06, 51-42-21 AND SRM TR#53-23.