As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN DESCENT INTO SAT THE RT HYDRAULIC QUANTITY WENT TO ZERO. IT WAS NECESSARY TO MANUALLY EXTEND THE LANDING GEAR, AND TO BE TOWED OFF THE RUNWAY AFTER LANDING. REPLACED THE O-RING ON THE RT HYDRAULIC BRAKE PRESSURE MANIFOLD PLUG PORT DUE TO LEAKING HYDRAULIC FLUID. CHECK-C 3-20-00 STL.