What was found
DURING APPROACH AND LANDING AT SAT, AS LANDING GEAR WAS EXTENDED, HYDRAULIC LOW FLOW (RH) AND HYDRAULIC LOW LEVEL LIGHTS ILLUMINATED. INSPECTION ON THE GROUND AT SAT BY LOCAL MAINTENANCE PERSONNEL DETERMINED THE RH HYDRAULIC PUMP PRESSURE LINE HAD FAILED AND WAS LEAKING FLUID. REPLACEMENT LINE WAS ORDERED AND SHIPPED TO SAT MAINTENANCE PERSONNEL FROM CESSNA AIRCRAFT AT ICT. LINE WAS REPLACED, SYSTEMS SERVICED, AND GROUND RUNS ACCOMPLISHED. HYDRAULIC PRESSURE FILTERS WERE INSPECTED FOR METAL CONTAMINATION AND NONE FOUND. SYSTEM BLED AND AIRCRAFT RETURNED TO SERVICE.