As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUT OF 14,000 FT DEPARTING PDX SMOKE (ODOR, REDUCED VIS, NO FLAMES) IN COCKPIT CA'S SIDE. CREW RAN SMOKE CHECKLIST. ALSO TURNED OFF W/S HEAT SMOKE DECREASED ON APPROACH TO AIRPORT, F/A'S DID NOT DETECT SMOKE IN CABIN. RETURNED TO FIELD. LANDING UNEVENTFUL. INSP OF FLIGHTDECK FOUND BURNED WIRE AND EVIDENCE OF ARCING AT COPILOTS WINDSHIELD HEAT TERMINAL. WIRING REPAIRED AND COPILOTS WINDSHIELD REPLACED. CHECKS GOOD. ACFT RETURNED TO SERVICE.