What was found
BURNING RUBBER ODOR ENTERS COCKPIT DURING CLIMB 17000 TO 19000 FT AND LASTS FOR 30-40 SECONDS THEN DISAPPEARS. NO SMOKE VISIBLE, SEEMS TO ORIGINATE FROM LT SIDE OF COCKPIT IN THE AUDIO PANEL AREA. 09-28-07 VISUALLY INSPECTED DV WINDOW ELECTRICAL CONTACTS, COCKPIT TEMP SENSOR, LT SIDE CONSOLE FOR WATER INTRUSION. NO DEFECTS NOTED. ALSO INSPECTED BEHIND LT & RT COCKPIT SIDE CONSOLES BEHIND PEDESTAL CONSOLE, BEHIND LT & RT INSTRUMENT PANELS. NO DEFECTS NOTED. POWERED ALL AVIONICS FOR 3 HOURS, NO EVIDENCE OF BURNING ODOR. MX PERF IAW FA-2000 MM CHP 31-00-00.