As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION FOUND THE NR 3 EMERGENCY LIGHT POWER SUPPLY FAILING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 3 EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACK PER EMB 140 AMM 33-50-04. THE OPERATIONAL CHECK WAS GOOD PER EMB 140 AMM 33-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.