As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THE NR 1 HYDRAULIC SYS WENT INTO THE AMBER RANGE IN FLIGHT. THE ACFT DIVERTED AND LANDED WITHOUT INCIDENT. MX INSPECTED AND REPLACED THE NR 1 BRAKE SHUTTLE VALVE AND THE NR 4 BRAKE ASSY. OPS CHECKED GOOD. THE ACFT WAS RELEASED FOR SERVICE.