As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL SMELL/SMOKE IN THE CABIN ON ROTATION FROM SJC. CREW ELECTED TO RETURN TO SJC. INFLIGHT EMERGENCY WAS DECLARED. ODOR DISSIPATED PRIOR TO LANDING. NO EMERGENCY DOOR SLIDES WERE BLOWN AND NO INJURIES REPORTED. REPLACED CONVERTER ELECTRONICS UNIT AND INTERCONNECTING HARN ASSY 475757.