What was found
AT FL 330, PUFF OF SMOKE CAME OUT FROM CAPTAINS INSTRUMENT PANEL. SMOKE STOPPED ON INITIAL DESCENT. ALL REQUIRED CHECKLIST COMPLETED. MADE PRECAUTIONARY LANDING AT ELP. REMOVED CAPTAINS INST PANEL, PERFORMED A VISUAL INSP OF ELECTRICAL COMPONENTS AND WIRING, NO EVIDENCE OF FIRE OR BURNT WIRES. ALL CB''S CLOSED ALL COMPONENTS OPERATE NORMAL PER M/M 24-00. INSTALLED CAPTAINS PANEL, AIRCRAFT OK FOR SERVICE.