As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THEY COULD NOT CONTROL THE EXTERIOR EMERGENCY LIGHTING AT THE OVERWING EXIT, IT WOULD REMAIN ON WHEN THE CONTROL SWITCH WAS TURNED OFF. MAINTENANCE REPLACED THE BATTERY PACK FOR THE NOTED LIGHT AND THE OPS CHECK WAS GOOD.