What was found
AFTER TAKEOFF LANDING GEAR WOULD NOT RETRACT. LANDING GEAR IN RETRACT POSITION. POSITIONED GEAR HANDLE TO AGREE WITH GEAR POSITION, VERIFIED GEAR DOWN WITH THROTTLE AND FLAP SETTINGS. RETURNED TO LUK AND LANDED UNEVENTUALLY. FOUND BROKEN WIRE AT DME SPLICE AFT OF PIN C OP CONNECTOR P160, REPAIRED SPLICE, PERFORMED GEAR SWING AND TIME CYCLES OF LANDING GEAR. LANDING GEAR OP CHECK NORMAL IAW CE 560 MM CH 32-01-00.