What was found
DFW - ALL EMERGENCY LIGHTS IN FIRST, BUSINESS, AND COACH FAILED FUNCTIONAL CHECK. REPLACED ALL BATTERY PACKS FOR FIRST, BUSINESS, AND COACH EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - ALL EMERGENCY LIGHTS IN FIRST, BUSINESS, AND COACH FAILED FUNCTIONAL CHECK. REPLACED ALL BATTERY PACKS FOR FIRST, BUSINESS, AND COACH EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.