As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PS2 MAINTENANCE CHECK FOUND THAT THE EMERGENCY LIGHT AT THE MAIN DOOR ABOVE THE FLIGHT ATTENDANT SEAT FAILED TO ILLUMINATE. REMOVED AIRCRAFT FROM SERVICE. REMOVED AND REPLACED THE NR 1 INVERTER IAW EMB AMM 33-50-11 E. THE EMERGENCY LIGHTS CHECKED GOOD IAW EMB AMM 33-50-00. AIRCRAFT RETURNED TO SERVICE.