As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH OVER WING EMERGENCY EXIT THRESHOLD HAS CORROSION (C-CHECK RO 8/18/2021) REMOVED STEP PLATE ON L/H OVERWING EMERGENCY DOOR DUE TO 100% MATERIAL LOSS AROUND FASTENER HOLES & AND REPLACE WITH A NEW SERVICEABLE UNIT REF. CRJ700 SRM 51-41-02-001-001-A01.