As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW HAD INDICATION OF HYDRAULIC SYSTEM A, DROP IN PRESSURE. CREW DECLARED AN EMERGENCY AND WERE ABLE TO DEPLOY THE LANDING GEAR. LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 SPOILER ACTUATOR AND INSPECTED AND REPLACED BOTH ENGINE CASE DRAINS, SYSTEM A MODULE AND RETURN FILTERS AND RETURNED THE AIRCRAFT TO SERVICE.