What was found
BURNING ODOR IN COCKPIT WITH WINDSHIELD HEAT ON. ODOR IS COMING FROM BOTH SIDES. AFTER 15 MIN ENGINE RUN AT VARIOUS SETTINGS & WINDSHIELD HEAT ON HIGH. OPERATED MANUAL BLEED AIR AS WELL, BLEED AIR FLOW OVER WINDSHIELD GOOD, GAINED ACCESS TO VLVS & WIRING IN NOSE BAGGAGE COMPARTMENT, INSPECTED FOR DEFECTS, NONE NOTED, NO HISTORY PER MCC, WORK DONE IAW MM 30-41-00.