As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FLIGHT CREW RECEIVED A BLUE AND GREEN HYDRAULIC OVERHEAT MESSAGE, APPROXIMATELY 10 FEET FROM THE GATE IN CUN. THE AIRCRAFT WAS TOWED THE REMAINING DISTANCE TO THE GATE. FOUND SDAC 1 AT FAULT, FAULT CLEARED WITH INTERCHANGING SDACS. CHANGED SDAC 1 AS PER MM 31-55-34. SYSTEM TEST CHECKED SERVICEABLE.