As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, NR 1 HYDRAULIC SYSTEM SHOWED DECREASING QUANTITY, WENT TO ZERO AFTER LANDING. TOWED AIRCRAFT FROM RUNWAY DUE TO LOSS OF NOSE WHEEL STEERING. FOUND SHEARED BOLTS RETAINING FILTER ON UPPER RUDDER PACKAGE. REPLACED BOLTS, LEAK CHECK OK.