As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE FLIGHT ATTENDANT COULD NOT CONTROL THE EMERGENCY LIGHTS FROM THE FLIGHT ATTENDANT PANEL, THE LIGHTS WORKED PROPERLY FROM THE COCKPIT. MAINTENANCE REPLACED THE PASSENGER LIGHT CONTROL MODULE. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.