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 8-10 AND THE LEFT OVERWING EMERGENCY EXIT SIGN AT ROW 11 WERE SHOWING INTERMITTENT OPERATION. MAINTENANCE REPLACED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION.