As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, NR 2 HYD FLUID QUANTITY DECREASED RESULTING IN NR 2 ENG HYD PUMP CAUTION AND NR 2 ISO VALVE CAUTION. RAN THE NR 2 HYD FLUID QUANTITY LOW CHECKLIST. PUMP MAY HAVE RAN FOR 1-2 MINUTES WITH 0 QTY. ALSO CONDUCTED ALTERNATE LANDING GEAR EXTENSION CHECKLIST. LANDING UNEVENTFUL. FOUND LEAK AT PARKING BRAKE CONTROL VALVE. R & R PARKING BRAKE CONTROL VALVE IAW AMM 32-44-01-000/400-801. OPS TEST GOOD. LEAK TEST GOOD. REF WO 145098 FOR ALL WORK PERFORMED. NO OTHER DEFECTS NOTED AT THIS TIME.