As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED LEFT HYDRAULIC LOW PRESSURE MESSAGE IN FLIGHT. THE FLIGHT WAS DIVERTED AND LANDED WITHOUT INCIDENT. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE LEFT HYDRAULIC PUMP WAS DEFECTIVE. THE PUMP WAS REMOVED AND REPLACED THE HYDRAULIC PUMP AND FILTERS AS REQUIRED. OPS CHECKS AND LEAK CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.