As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - CREW REPORTED LOSS OF RIGHT HYDRAULIC SYSTEM AND PRESSURE. EMERGENCY DECLARED FLIGHT LANDED STL WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND DELTA P INDICATOR AT RIGHT HYDRAULIC SYSTEM PRESSURE MODULE BLOWN OUT CAUSING HYDRAULIC FAILURE. REPLACED VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.