What was found
ATO, AT 130 KNOTS DUE TO A PUFF OF SMOKE AFT OF THE FIRST OFFICER`S SEAT, AROUND THE P6 CIRCUIT BREAKER PANEL, AND A BURNED ELECTRICAL ODOR. INSPECTED AREA AND REMOVED THE SPCU. NO PROBLEMS NOTED. PERFORMED THE AIR QUALITY TESTS WITH SNIFFER, WITH ENGINES RUNNING. NO PROBLEMS NOTED. FOUND FIRST OFFICER`S GRIMES LIGHT WITH EXPOSED WIRES BURNED. REPLACED GRIMES LIGHT. ALL OPS CHECKED GOOD.