What was found
AFTER TAKE-OFF GEAR COULD NOT RETRACT GEAR WHEN GEAR LEVER WAS PUT IN THE (UP) POSITION, ACCOMPLISHED AIR TURN BACK. TROUBLESHOT AND FOUND LANDING GEAR CONTROL FAULTY, REMOVED AND REPLACED LANDING GEAR CONTROL ASSEMBLY IAW 650 MM CHAPTER 32-30-01. SYSTEM OPS CHECKED GOOD.