As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GSO - FLIGHT 4011, THE CREW REPORTED THAT THE EMERGENCY LIGHT BUTTON ON THE FA PANEL WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE FA CONTROL MODULE, OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.