What was found
LOSS OF HYD CONTENT ON APPROACH TO LAND. AFTER LANDING GEAR WAS SELECTED DOWN. COMPLETED APPROIATE CHECKLIST AND LANDED ACFT USING EMERGENCY BRAKE TO STOP ON RUNWAY. HYD LEAK IN NOSE GEAR WELL. FOUND NOSE WHEEL STEERING UNIT CENTERING LINE RUPTURED AT UPPER FITTING. REMOVED & REPLACED RUPTURED LINE. FOUND HYD RESERVIOR LEVEL AT 11O CI. SERVICED RESERVIOR. C/W BRAKE BLEED. SERVICED RESERVIOR & BRAKE N2 BOTTLE. C/W NOSE WHEEL CENTERING UNIT BLEED. C/W TAXI CHECK, NOSE WHEEL STEERING + BRAKE OPS CHECK + LEAK CHECK GOOD IAW MM 32-50-01, 12-10-00 AND 29-00-00.