As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - DURING LINE CHECK, MAINTENANCE FOUND SEVERAL EMERGENCY LIGHTS IN THE FORWARD PART OF THE CABIN FLASHING. BATTERY PACK FOR POWER SUPPLY 43WL WAS REMOVED AND REPLACED. OPERATIONAL CHECK OF EMERGENCY LIGHTS WAS SATISFACTORY AND AIRCRAFT RETURNED TO SERVICE. (X)