As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUN - INFLIGHT SJO-MIA. CREW REPORTED UNABLE TO CONTROL CABIN PRESSURIZATION. EMERGENCY DECLARED, DIVERTED CUN LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CABIN PRESSURE SELECTOR PANEL AND BOTH CABIN CONTROLLERS. SYSTEM GROUND CHECK NORMAL OPERATION.