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 9-11 AND THE LEFT EMERGENCY EXIT SIGN WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACKS IN THE LEFT EXIT ROW AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION.