What was found
AFTER TAKEOFF, DURING GEAR RETRACTION, NOSEWHEEL DID NOT INITIALLY LOCK IN PLACE. IT FELT LIKE IT FAILED TO LOCK AND MOMENTARILY DROPPED. HYDRAULIC PUMP KICKED BACK IN TO RAISE NOSE WHEEL BUT AGAIN FELT LIKE IT FAILED TO LOCK AND DROPPED. AFTER ABOUT THE THIRD TIME THE HYD PUMP KICKED IN THE NOSE WHEEL FINALLY LOCKED IN THE UPLOCKED POSITION. R & R LANDING GEAR CONTROL VALVE IAW AMM 32-31-15-04. OPS CHECK AND LEAK CHECK GOOD. PERFORMED FUNCTION TEST OF THE LANDING GEAR EXTENTION AND RETRACTION SYSTEM IAW AMM 32-30-00. OPS CHECK GOOD.