As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, ACFT LOST HYD FLUID TO THE STANDPIPE LEVEL. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MX INSPECTED THE HYD SYS AND FOUND THE O-RING ON THE NR 2 SYS HYD PUMP PRESSURE LINE LEAKING. THE O-RING WAS REPLACED, THE LEAK AND OPS CHECKS WERE GOOD AND THE ACFT WAS RETURNED TO SERVICE.