As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE AVIONICS SMOKE LIGHT ON CWP ILLUMINATED IN FLIGHT. STAYED ON ABOUT 10 MINUTES. CREW DECLARED EMERGENCY, LANDED AIRCRAFT WITH NO FURTHER INCIDENTS. C/A MAINTENANCE REMOVED AND REPLACED THE AVIONICS RACK SMOKE DETECTOR IAW MFG MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.