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 RIGHT AFT OVERWING EMERGENCY MARKED IN CABIN DID NOT ILLUMINATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 5 AC/DC INVERTER IAW EMB AMM 33-50-11. THE OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM AND RIGHT AFT OVERWING CABIN EMERGENCY MARKER GOOD IAW EMB AMM 33-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.