What was found
PILOT REPORTED THAT THE SMELL OF SMOKE WAS PRESENT IN THE COCKPIT DURING FINAL APPROACH TO DFW. PILOT DID NOT DECLARE, OR TAKE ANY EMERGENCY ACTION. INSPECTED WIRING CONDUITS BEHIND INSTRUMENT PANEL, LT & RT CB PANELS & RT LOWER LATERAL PANEL INSIDE COCKPIT. INSPECTED UNDER FLOOR CIRCUIT BOARDS, COMPONENTS & COMPONENT WIRING & VENT BLOWER MOTOR INSTALLATION. NO EVIDENCE OF ELEC ARCING OR BURNING WAS FOUND. RAN ENGS FOR 30 MINUTES WITH ALL ELEC SYS LOADED, SQUAWK COULD NOT BE DUPLICATED.