As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHS OVERWING EMERGENCY EXIT, UPPER END, DOOR LOCK PINS ARE FULL OF MOISTURE AND ALL EIGHT NUT PLATES ARE CORRODED. (C-CHECK) RO 12/14/2019 REMOVED AND REPLACED 8 EACH CORRODED NUT PLATES IAW CRJ 200 SRM AND REMOVED STANDING WATER FROM LOWER END OF THE LEFT OVERWING EMERGENCY EXIT DOOR AS REQUIRED. REFERENCE CONTINUATION CARD FOR DETAILS.