As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, ONE HOUR INTO FLIGHT, THE LEFT ADF DISPLAYED ON CAPTAIN`S AND FIRST OFFICER`S MAP DISPLAY . AT SAME TIME SMELLED A BURNING ELECTRICAL ODOR IN THE COCKPIT AND CABIN. CIRCUIT BREAKER F-6 TRIPPED. FOUND ACRID ODOR FROM LEFT ADF RECIEVER. REPLACED LEFT ADF RECIEVER AND CONTROL PANEL . SYSTEM OPERATION IS NORMAL.