As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED HYDRAULIC FLUID ON BLUE SYS LOW LEVEL ECAM WARNING AND FAULT IN CRUISE. CREW DECLARED A PAN PAN, QRH PROCEDURE CARRIED AND ACFT DIVERTED. ACFT LANDING WAS UNEVENTFUL. MAINTENANCE INVESTIGATION FOUND THE NR 1 ENGINE BLUE SYSTEM HYD PUMP CASING CRACKED APPROXIMATELY 6" IN LENGTH. PUMP AND FILTERS REPLACED, ENGINE RUNS CARRIED AND SYSTEM FOUND SERVICEABLE. ACFT RETURNED TO SERVICE.