As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE GALLEY EMERGENCY LIGHTS WILL NOT ILLUMINATE, AND NR 2 EMERGENCY LIGHTS WILL NOT ILLUMINATE DUE TO BATTERY PACK NOT CHARGING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED EMERGENCY BATTERY POWER SUPPLY IAW EMB AMM 33-50-04. REMOVED AND REPLACED NR 2 EMERGENCY LIGHTS INVERTER IAW EMB-135 AMM 33-50-11. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.