As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 9573 -MISC- THE FLIGHT CREW DECLARED AN EMERGENCY DUE TO RIGHT HYDRAULIC SYSTEM PRESSURE LOSS AFTER GEAR EXTENSION. CORRECTIVE ACTION: MAINTENANCE FOUND THAT THE RIGHT HYDRAULIC RESERVOIR WAS LEAKING. THE RESERVOIR WAS REPLACED PER B717 AMM. OPERATION AND LEAK CHECK WAS GOOD. QUANTITY AND PRESSURE ARE NOW NORMAL. (LP #6919675)