As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3852 - CREW REPORTED CABIN EMERGENCY LIGHTING FLOOR STRIP AT SEATS 1 AND 2 INOPERATIVE AT THE MOST FORWARD STRIP. CREW RESET AIRCRAFT POWER NO CHANGE. AIRCRAFT REMOVED FROM SERVICE. REMOVED & REPLACED NR 2 BATTERY POWER SUPPLY IAW EMB AMM 33-50-04, NO FIX. REMOVED & REPLACED NR 2 EMERGENCY LIGHT INVERTER IAW EMB AMM 33-50-11, EMERGENCY LIGHTS OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.