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 THE OVERWING EMERGENCY EXIT SIGN LIGHTS ON THE LEFT SIDE WERE INOPERATIVE. THE EMERGENCY PATH LIGHTING AT ROWS 5, 6, AND 7 WERE ALSO NOT FUNCTIONING. MAINTENANCE REPLACED THE OVERWING EXIT SIGN BATTERY PACK AND OPERATIONALLY CHECKED THE SYSTEM. ALL CHECKS WERE GOOD AND THE AIRCRAFT RETURNED TO REVENUE SERVICE.