As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG - FLIGHT 2206 EMERGENCY LIGHTS FLICKERED ON AND OFF FOUR TIMES DURING CLIMBOUT, ACCORDING TO THE FLICHT ATTENDANT. MAINTENANCE REPLACED THE EMERGENCY LIGHT SWITCH AT FLIGHT ATTENDANT STATION. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.