As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT: 9255, AFTER TAKEOFF SMOKE IN THE COCKPIT COMING FROM ADF. RETURNED TO DEPARTURE, LANDED WITHOUT INCIDENT. SECURED AND PROTECTED CHAFING WIRE BUNDLE BEHIND ADF CONTROL HEAD ADF ALSO REPLACED ADF CIRCUIT BREAKER OPERATIONAL CHECK NORMAL.