As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED EMERGENCY EXIT LIGHTS AT CENTER AISLE AND OVERWING EXIT DOORS INOPERATIVE. MAINTENANCE REPLACED BATTERY PACKS AND BATTERY CHARGER, AND SYSTEM CHECKED OKAY. REF: OPERATOR CONTROL NR 97ZZZX4564 AND NR 97ZZZX4565. (X)