As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROW 1 EMERGENCY FLOOR PATH LIGHTS AND SERVICE DOOR EMERGENCY LIGHT IS INOP. R&R OLD EMERGENCY BATTERY PACK IN THE #2 POSITION WITH A NEW ONE IAW EMB 145 AMM 33-50-04. P/N ON BATTERY PACK 2013-1A S/N 115028 P/N OFF BATTERY PACK 2013-1ASMI S/N 75689.