What was found
IMMEDIATELY AFTER LOWERING THE GEAR, AN AMBER HYDRAULIC VOLUME LOW CAS ILLUMINATED. VOLUME INDICATED 110 CU IN. IAW QRH LANDED USING EMERGENCY BRAKING. AFTER SHUTDOWN VOLUME INDICATES 90-100. FOUND THE LT ENGINE DRIVEN HYDRAULIC PUMP LEAKING EXTERNALLY. CARRIED OUT REPLACEMENT IAW MM 29-10-04. LT PRESSURE & CASE DRAIN FILTERS WITH NEW IAW MM 29-10-00. INTERCHANGED THE LT & RT HYDRAULIC PUMPS FOR FURTHER EVALUATION. CARRIED OUT HYDRAULIC SYSTEM BLEEDING & SERVICING IAW MM 12-12-02. FUNCTION & LEAK CHECKED SERVICEABLE. CARRIED OUT BLEEDING OF MLG BRAKES IAW MM 32-42-10.