As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF BLUE SYSTEM HYDRAULIC FLUID EN ROUTE TO ORD. LOW LEVEL DISPLAYED ON UPPER ECAM. SUPPLEMENTAL DATA UPDATE AFTER LANDING RAN ELECTRICAL PUMP AND CYCLED FLIGHT CONTROLS. NO FAULTS WERE FOUND AND NO REOCCURRING DISCREPANCIES ENCOUNTERED.