As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE THE AIRCRAFT WAS ON THE GROUND, FLIGHT CREW NOTED A HYDRAULIC LEAK IN THE NOSE WHEEL AREA. MAINTENANCE DETERMINED THAT THE STEERING MANIFOLD PRESSURE LINE SWIVEL JOINT WAS LOOSE AND LEAKING. THE SWIVEL JOINT WAS RESECURED AND THE O-RING WAS REPLACED. A FUNCTION CHECK WAS CARRIED OUT AND THE ACFT WAS SUBSEQUENTLY RETURNED TO SERVICE.