As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING POST FLIGHT INSPECTION, THE CREW REPORTED THAT THE FIRST TWO EMERGENCY LIGHT BATTERY PACKS WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED BATTERY PACKS IAW EMB120 MM 33-50-02, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)