As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 715 - ELP-FWA - ON TAKEOFF DURING GEAR RETRACTION THE FLIGHT CREW NOTICED THE A-SYSTEM HYDRAULIC QUANTITY WENT TO ZERO. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO ELP WHERE A LANDING WAS MADE WITHOUT INCIDENT. FOUND LEFT MLG SEQUENCE VALVE LEAKING FROM A CRACK IN THE HOUSING. REMOVED AND REPLACED SEQUENCE VALVE AND NR 1 AND NR 2 ENGINE DRIVEN HYDRAULIC PUMPS AND FILTERS. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)