As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA INFLIGHT SJU TO DFW. CREW REPORTED CENTER HYDRAULIC SYSTEM FAIL INDICATION. EMERGENCY DECLARED FLIGHT DIVERTED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED HYDRAULIC POWER SHUT OFF VALVE AND BOTH PRESSURE SWITCHES (MPN 211C223519 AND 211C223528). SYSTEM GROUND CHECK NORMAL OPERATION.