As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EEL - FLT 0299 - EN ROUTE FROM LAS TO PHX FLIGHT CREW REPORTED THAT THE EMERGENCY EXIT LIGHT ABOVE R2 DOOR FLASHES ON AND OFF DURING FLIGHT AND TAXI TO GATE. MAINTENANCE REPLACED BATTERIES AT LIGHT ASSEMBLY, OPERATIONAL CHECK WAS GOOD.