As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING MAINTENANCE INSPECTION, SEVERAL EMERGENCY LIGHTS WERE FOUND INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT BATTERY PACK AT 18WL IAW ATR 42-320 MM 3351-21, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X)