As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHTS OVER THE EMERGENCY EXIT WINDOWS AND ALL OF THE CEILING LIGHTS AFT OF THE OVER WING EMERGENCY EXITS CAME ON IN FLIGHT. MAINTENANCE COULD NOT DUPLICATE THE PROBLEM. THE SYSTEM WAS RESET AND THE OPERATIONAL CHECK WAS GOOD PER B717 AMM 33-51-00 710-801. (LP #9129018)