What was found
ON CLIMB OUT WE SELECTED GEAR UP. NOSE GEAR DID NOT COME UP AND WE GOT A GEAR DISAGREE WARNING MSG. RAN QRH AND ABOUT 30 SECONDS AFTER TURNING ON HYDRAULIC PUMPS, NOSE GEAR CAME UP. ON LANDING, GEAR CAME DOWN NORMALLY. REPOSITION FLIGHT - NO PAX (FLT 1357) CLOSED REMOVED AND REPLACED THE NLG UPLOCK IAW AMM. LEAK CHECK AND OPS CHECK GOOD AT THIS TIME. ALL LANDING GEAR RETRACTED AND LOCKED WITH NO ISSUES.