As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, THE "LOWER" OVERWING EMERGENCY EXIT LIGHTS AND THE EMERGENCY PATHWAY LIGHTING AT ROWS 8, 9, & 10 WERE FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. (A)