What was found
MIA INFLIGHT T903/20NOV - AFTER TAKEOFF LANDING GEAR LEVER COULD NOT BE RAISED IN SYSTEM ONE AND SYSTEM TWO. THE AUTO PILOT, PITCH TRIM, FLIGHT DIRECTORS, AERONAUTICAL TELECOMMUNICATIONS SYSTEM, AND PRESSURIZATION FAILED. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. FOUND THE NOSE GEAR PROXIMITY SENSOR LEVER ROD BROKEN. REPLACED THE NOSE GEAR PROXIMITY SENSOR LEVER ROD. SYSTEM GROUND CHECKED NORMAL OPERATION.