As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENROUTE, (GREEN SYS) LOW LEVEL PRESS INDICATION OBSERVED. THE CREW ACCOMPLISHED THE CHECK LIST AND CONTINUED TO YZF. THE AIRCRAFT LANDED WITHOUT INCIDENT AND WAS TOWED FROM THE RUNWAY. THE O-RING AND BACK-UP RING AT THE ACCUMULATOR FITTING WERE REPLACED, THE AIRCRAFT WAS LEAK CHECKED AND RETURNED TO SERVICE.