What was found
AS PER CREW DEBRIEF UPON ARRIVAL, THEY WERE UNABLE TO SELECT MOST FUNCTIONS ON MODE CONTROL PANEL AFTER TAKE OFF. NO VNAV, HEADING SEL. ETC FOUND CIRCUIT BREAKER BEHIND PILOTS HEAD ON P18-1 D5 MCP DC1 OUT. CREW DID NOT HEAR OR SEE IT TRIP OR POP. RESET PER MM 20-60-01-860-801. ALL FUNCTIONS RETURNED TO MODE CONTROL PANEL. PERFORMED GROUND TEST OF MCP AND LIBRARY TESTS ON MCP, FCC AND AUTOPILOT. ALL PASSED . PERFORMED LAND VERIFY AND ALL STEPS PASSED. AIRCRAFT REMAINS FULLY CAT CAPABLE. REF MM 22-11-00.