As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE FLIGHT, FLIGHT CREW REPORTED SMOKE COMING OUT OF ADF NR 2 CONTROL PANEL. ADF2 CIRCUIT BREAKER WAS PULLED BUT SMOKE CONTINUED TO COME OUT OF PANEL. PANEL WAS REMOVED AND DISCONNECTED AND SMOKE STOP FROM COMING OUT OF PANEL. PANEL IS BEING SENT TO REPAIR SHOP FOR INVESTIGATION.