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 THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 5/8 OF THE CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY AND BATTERY PACKS AT THE FWD RT OVERWING EXIT SIGN AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION.