As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CABIN EMERGENCY LIGHTS ARE FLICKERING ON AND OFF WITH THE COCKPIT SWITCH IN THE ARMED POSITION WHILE IN FLIGHT. MAINTENANCE CYCLED THE CABIN EMERGENCY LIGHTS FROM THE CABIN AND COCKPIT POSITIONS NUMEROUS TIMES AND MONITORED THE LIGHTS FOR ANY FLICKERING. NO INTERRUPTIONS WERE NOTED. (LP #7110740)