As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT THE CREW NOTED THAT THE EMERGENCY LIGHTS WERE INOP. MAINTENANCE RESET THE EMERGENCY LIGHTING POWER SUPPLY, PERFORMED A OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.