What was found
(CAN) DURING CLIMBOUT FROM BASE, THE FLIGHT CREW SAW MULTIPLE CAUTION LIGHTS APPEAR ON THE CAWP. STALL PUSHER SYS FAIL, ELEVATOR FEEL, INBD ANTI SKID, OTBD ANTI SKID, AND THEN BOTH OF THE F/O`S SCREENS WENT BLANK. THEN THE FLIGHT CREW LOST DME, LOST AUTOPILOT, LOST ALT SEL, THEY ALSO LOST BOTH NR 2 SIDES OF THE RADIO`S, FROM BOTH ARCDU`S. UNSCHEDULED LANDING COMPLETED. INVESTIGATION CONCENTRATED ON THE CONTACTORS IN THE FWD DC CONTACTOR BOX. FURTHER INVESTIGATION SHOWED A PROBLEM WITH THE K2 CONTACTOR. THE CONTACTOR APPEARED TO BE NOT CORRECTLY INSTALLED. THERE WAS BETWEEN A .040 AND.050 GAP BETWEEN THE BOTTOM OF THE CONTACTOR AND THE BUS BAR. ONE OF THE ATTACHING SCREWS HAD BEEN SHEARED IN THE BUS BAR ALONG WITH THE WASHER BEING FOUND MELTED. THE DEFECT COULD BE RE-PRODUCED BY MANIPULATING THE K2 CONTACTOR. REPLACEMENT BUSBAR, K2 CONTACTOR AND ATTACHING HARDWARE COMPLETED.