As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE THE LEFT OVERWING EMERGENCY EXIT WOULD NOT OPEN. MAINTENANCE INSPECTED AND FOUND THE WRONG GRIP LENGTH SCREW INSTALLED ON THE DOOR SURROUND LINER. THE SCREW WAS REPLACED AND OPERATIONAL CHECKS WERE GOOD OF THE DOOR.