As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV- DURING C-CHECK THE LEFT AND RIGHT OVERWING EMERGENCY LIGHTS WERE FOUND NOT TO ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE NR 4 EMERGENCY LIGHT BATTERY PACK IAW EMB AMM 145 33-50-04. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.