As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT LOST B-SYSTEM HYDRAULICS WHILE EN ROUTE. THE AIRCRAFT WAS RETURNED TO BDA WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE HYDRAULIC PRESSURE LINE FROM NR 2 B-PUMP CHAFED AT CLAMP. THE HYDRAULIC LINE WAS REPLACED. THE HYDRAULIC SYSTEM WAS SERVICED TO FULL AND LEAK CHECKS WERE GOOD.