As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND BOTH THE LEFT AND RIGHT FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE DURING PRE-DEPARTURE CHECK. TROUBLESHOOTING FOUND THE BATTERIES AT FAULT. THE BATTERIES WERE REPLACED AND OPERATION OF THE OVERWING EMERGENCY EXIT LIGHTS WAS RESTORED.