As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED BOTH HYDRAULIC QUANTITIES AT 50% (ON CRUISE), AFTER 10 MINUTES THEY REPORTED RIGHT HAND AT 30% AT WHICH POINT FLIGHT DREW DIVERT TO THE AIRPORT. UPON LANDING HYDRAULIC QUANTITY WAS AT 15%, EMERGENCY WAS NOT DECLARED. MAINTENANCE REPLACE DOWN LOCK FLEX LINE, LEAK CHECK CARRIED OUT ON GROUND SUCCESSFULLY (NFF) AND AIRCRAFT RETURNED BACK TO SERVICE.