As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE WAS CALLED TO SHUTOFF THE EMERGENCY LIGHTS THAT WERE FOUND TO BE ON. MAINTENANCE WAS UNABLE TO ENERGIZE THE COCKPIT TO TURN OFF THE LIGHTS SO THEN REPLACED ALL FOUR EMERGENCY LIGHT BATTERIES AND BOTH MAIN BATTERIES IAW THE AMM AND NO FURTHER DEFECTS HAVE BEEN NOTED.