As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT FROM RJTY THE CREW SMELLED SMOKE, THE FIRST OFFICER'S AUDIO CIRCUIT BREAKER OPENED THE SMELL OF SMOKE STOPPED. THE CREW LANDED IN WSAP WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED FIRST OFFICER'S AUDIO SELECT PANEL IAW DACO DC8 MAINTENANCE MANUAL 23-50-1. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.