As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING SLC WHILE PILOT SMELLED BURNING ELECTRICAL FUMES DURING THE CLIMB TO 10,000 MSL. HE TURNED OFF THE NON-ESSENTIAL ELECTRONIC AND RAN THE EMERGENCY CHECKLIST FOR ELECTRICAL FIRES. THIS DID NOT PRODUCE ANY CHANGE SO HE CANCELLED THE FLIGHT AND RETRUNED TO KSLC IMMEDIATELY.