As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B-SYSTEM HYD WENT TO 0, FOLLOWED PROCEDURES. WHEN GEAR EXTENDED HYD PRESS WENT TO 1700 PSI. OPERATED BRAKE INTERCONNECT, USED PNEUMATIC BRAKES TO STOP. TOWED ACFT TO GATE FROM RUNWAY. FOUND NR 2 B-HYD PUMP LEAKING. REPLACED SAME AND FITTINGS, LEAK CKS OK. CHARGED XFER TUBE AND SERVICED PNEUMATIC BOTTLE.