As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED AN EMERGENCY DUE TO INDICATION OF LOSS OF RIGHT AND CENTER SYSTEM PRESSURE WITH NO QUANTITY LOSS. TROUBLESHOT IAW FIM 29-35-00-815-802. REPLACED THE HYDRAULIC QUANTITY MONITOR UNIT AND HYDRAULIC PRESSURIZATION MODULE. VERIFICATION FLIGHT PERFORMED WITH NO ISSUES NOTED.