As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MAINTENANCE THE LEFT OVERWING EMERGENCY LIGHT FAILED TO ILLUMINATE. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE EMERGENCY LIGHT ASSEMBLY CANNON PLUG LOOSE. THE CONNECTOR WAS RESET, THE LIGHT OPERATIONALLY TESTED AND THE DISCREPANCY CLEARED.