As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF THE LEFT EMERGENCY DOOR CAUTION MESSAGE ILLUMINATED. THE CREW ABORTED THE TAKEOFF. MAINTENANCE VERIFIED THE DOOR WAS SECURED AND DEFERRED THE INDICATION SYSTEM PER MEL 52-70-03 CODE C. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE. AFTER TROUBLESHOOTING THE LEVER ASSEMBLY WAS FOUND WORN MAKING POOR CONTACT WITH THE PROXY SENSOR. PART IS ON ORDER.