What was found
AFTER TAKEOFF FROM MSP, GEAR HANDLE COULD NOT BE RAISED TO RETRACT GEAR. PERFORMED COCKPIT OPERATING MANUAL PROCEDURES AND GEAR REMAINED DOWN. GROUND SHIFT AND ALL OTHER FUNCTIONS APPEARED NORMAL. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A BROKEN CLAMP IN THE RIGHT WHEEL WELL ON THE RETRACT MECHANISM HITTING B-NUT ON HYDRAULIC LINE. REPLACED CLAMP AND CHECKED LINES FOR DAMAGE. GEAR OPERATION CHECKS GOOD.