As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - DURING SCHEDULED PS CHECK, MAINTENANCE REPORTED THE AFT CABIN EMERGENCY LIGHTS WOULD NOT TURN OFF. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK IN POWER SUPPLY UNIT 15WL IAW ATR MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)