What was found
(CAN) A/C MADE NORMAL APPROACH & LDG. DURING 180 DEG TURN TO CLEAR RWY, CREW NOTED FLUX IN HYDRAULIC NOSEWHEEL STEERING SYS, BUT TAXIIED IN & SHUTDOWN WITH NO PROBLEMS. ON EXITING A/C, CREW NOTICED SMALL AMOUNT HYDRAULIC FLUID ON GROUND UNDER LT ENGINE FIREWALL AREA. MAINT DISCOVERED LEAKING HYDRAULIC LINE, WHICH HAD CRACK IN ROOT OF FLARE, UNDER FLARE NUT, AT BULKHEAD FITTING IN LT WHEEL WELL. LINE REMOVED, TRIMMED, REFLARED, & REINSTALLED. HYDRAULIC SYS SERVICED, ENGINES GROUND RUN, & SYS OP & LEAK CHECK VERIFIED. A/C RETURNED TO SERVICE.