As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2913, DURING POST FLIGHT INSPECTION, THE CREW REPORTED THAT THE EMERGENCY LIGHTS WOULD NOT REMAIN ILLUMINATED WHEN TESTED. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE NUMBER ONE EMERGENCY LIGHT POWER SUPPLY TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT POWER SUPPLY IN ACCORDANCE WITH EMB120 M/M 33-50-02, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.