What was found
NOSE GEAR DISAGREE AFTER TAKE OFF. RAN THE QRH AND PUT GEAR DOWN WITH THREE GREEN. RETURNED TO DEPARTURE. MESSAGE APPEARED AFTER 30 SECONDS FROM HANDLE MOVEMENT, ALL HYDRAULICS SHOWED GREEN. PERFORMED GVI OF LANDING GEAR, NO VISIBLE DEFECTS. ADJUSTED THE NLG PROXIMITY SENSOR PX22 FROM .060" TO .045" IAW AMM 32-61-05, OPS CHECK OF LANDING GEAR PROXIMITY SYSTEM GOOD IAW AMM 32-61-00. PERFORMED AN OPS CHECK OF LANDING GEAR EXTENSION & RETRACTION SYSTEM IAW AMM 32-30-00. OPS CHECKED GOOD.