As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1996 EN-ROUTE, THE CREW RECEIVED HYD B RSVR LO LVL & HYD B SYS LO PR ECAM MSGS DURING FLIGHT. DIVERTED. AN EMERGENCY WAS DECLARED & LANDED WITHOUT FURTHER INCIDENT. THE ACFT TAXIED TO THE GATE WITHOUT ASSISTANCE. REPLACED THE BLUE SYS ACCUMULATOR VALVE & SERVICED THE BLUE HYD SYS. OPS & LEAK CHECKED GOOD.