As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - EN ROUTE FROM FLL TO CLT, CREW REPORTED THE CENTER OVERHEAD AND LEFT OVERWING EMERGENCY EXIT LIGHTS WERE BLINKING ON AND OFF DURING FLIGHT. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK PER MM 33-51-51-962-015. OPERATIONAL CHECK GOOD.