What was found
DURING CLIMBOUT AFTER GEAR RETRACTION RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. THE LANDING GEAR WERE CYCLED BACK DOWN AND THREE GREEN LIGHTS WERE RECEIVED INDICATING THE GEAR WERE DOWN AND LOCKED. SHORTLY AFTER EXTENDING THE GEAR AN AMBER -HYDRAULIC VOLUME LOW A- INDICATION WAS RECEIVED. THE HYDRAULIC SYSTEM -A- VOLUME WAS CONFIRMED TO BE 3 PERCENT. ONE MINUTE AFTER RECEIVING THE HYDRAULIC VOLUME LOW A INDICATION, A CREW ALERT SYSTEM MESSAGE INDICATING -HYDRAULIC OVER TEMP B- WAS RECEIVED. THE AIRCRAFT WAS RETURNED TO KBED WHERE CFR RESPONSE WAS GIVEN ON LANDING. PNEUMATIC BRAKING WAS USED TO BRING THE AIRCRAFT TO A COMPLETE STOP. HYDRAULIC FLUID WAS FOUND TO BE LEAKING FROM THE NOSE WHEEL AREA DUE TO