As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, AIRCRAFT LOST A-SYSTEM HYDRAULIC PRESSURE AND QUANTITY. BOTH ENGINE DRIVEN PUMPS RAN DRY. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED NR 3 LEADING EDGE KRUEGER FLAP ACTUATOR AND BOTH ENGINE DRIVEN HYDRAULIC PUMPS. PERFORMED CHECK OF THE LEADING EDGE FLAP, SLATS AND ENGINE DRIVEN PUMPS, OPERATIONAL CHECK OK.