As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THAT THE NR 3 EMERGENCY BATTERY PACK WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED BATTERY PACK IAW EMB145 MM 3-50-04, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)