As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE B HYDRAULIC SYSTEM WAS LOST DURING CRUISE, EN ROUTE TO ATL. THE AIRCRAFT LANDED AT ATL WITHOUT INCIDENT. MAINTENANCE FOUND HYDRAULIC LINE FROM NR 1 ELECTRIC B PUMP TO THE NR 5 PORT ON THE FILTER MODULE LEAKING. THE HYDRAULIC LINE WAS REMOVED AND REPLACED. THE HYDRAULIC SYSTEM WAS SERVICED TO FULL. LEAK AND OPERATIONAL CHECKS WERE GOOD.