As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW LEFT HAND AND RIGHT HAND EXTERIOR OVERWING EMERGENCY ESCAPE LIGHTS INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACK B45 49 LEFT HAND AND RIGHT HAND OVERWING EMERGENCY LIGHTS L2 663 AND L2 633. SYSTEM GROUND CHECKED NORMAL OPERATION.