As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING TAKEOFF ROLL THE LEFT FORWARD EMERGENCY EXIT DOOR CAME DISLODGED. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED THE DOOR AND FOUND THE SHOOT BOLT ACTUATING TURNBUCKLE TO BE BENT. THE TURNBUCKLE WAS REMOVED AND REPLACED, AND THE DOOR WAS FUNCTIONALLY CHECKED. THE AIRCRAFT WAS THEN RETURNED TO SERVICE.