What was found
NORMAL DESCENT APPROACH AND FINAL CHECK LIST COMPLETE ALL SYSTEMS NORMAL THROUGH THE TOUCHDOWN. AFTER TOUCHDOWN BOTH THE HYD WCP WARNING LIGHTS ILLUMINATED. CHECK BRAKES AND NO RESPONSE. SELECTED EMERGENCY BRAKE AND USED FULL REVERSE TO STOP ON RUNWAY. THEN CLEARED RUNWAY AND PARKED ON THE 1ST TAXIWAY WHERE WE WERE TOWED INTO THE RAMP. A MECHANIC WAS DISPATCHED. THE STEERING ACTUATOR LINE WAS REMOVED AND REPLACED IAW MM. OPS CHECK GOOD AND AC WAS RETURNED TO SERVICE. (K)