As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABQ - DIVERSION - FLT 0596 - EN ROUTE FROM PHX TO MCI LOST -A- HYDRAULIC SYSTEM PRESSURE, DIVERTED INTO ABQ AND LANDED WITHOUT EVENT. MAINTENANCE FOUND THE NR 4 GROUND SPOILER ACTUATOR UNION O-RING HAD BURST ON PRESSURE SIDE. REPLACED O-RING IAW AMM 20-10-17, LEAK CHECK WAS GOOD.