As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT INSPECTION THE EMERGENCY LIGHTS WOULD NOT ILLUMINATE. MAINTENANCE RESET THE AIRCRAFT ELECTRICAL SYSTEM, OPERATIONALLY CHECKED THE EMERGENCY LIGHTS WITH NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. NO PARTS WERE CHANGED.