As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT NOTICED ELECTRICAL BURNING SMELL THAT DISSIPATED WITH THE INTERIOR MASTER SWITCH IN THE OFF POSITION. FOLLOWED CHECKLIST AND DIVERTED TO ALTERNATE AIRPORT. MAINTENANCE REPLACE THE COCKPIT BLOWER MOTOR. AIRCRAFT WAS RETURNED TO SERVICE.