As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED UPON ARRIVAL TO RIC DUE TO THE FLIGHT CREW REPORTING A YELLOW HYDRAULIC RESERVOIR OVERHEAT MESSAGE AND THE FLIGHT CREW SHUT DOWN THE YELLOW HYDRAULIC SYSTEM. THE AIRCRAFT LANDED SAFELY AT RIC AND WAS TOWED TO THE GATE. MAINTENANCE REPLACED YELLOW HYDRAULIC SYSTEM TRANSDUCER 3381GR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.