What was found
AFTER TAKE-OFF LOST SYSTEM (A) FLUID AND (A) PRESSURE AND IAW EJA ABNORMAL PROCEDURED UNLOADED (A) PUMP, RETURNED TO BFI FOR NORMAL LANDING, WENT THROUGH LOSS OF A HYDRAULICS CHECK LIST AND AFTER LANDING WE WERE TOWED TO FBO. REMOVED NOSE WHEEL CENTERING HYDRAULIC LINE AND INSTALLED CUSTOMER SUPPLIED NEW HYDRAULIC LINE IAW CESSNA 750 MM 32-50-00. BLED SYSTEM AND LEAK CHECKED HOSE ASSY. LEAK CHECK GOOD. FUNCTIONAL TEST IN REFERENCE TASK 32-50-00-720 CHECK GOOD. SERVICED A-HYD. SYSTEM IAW CESSNA 750 MM 12-00-00.