As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 860 - PHX/SAN - EMERGENCY LANDING AT SAN, YELLOW HYDRAULIC SYSTEM LEAK AND ALL FLUID LOST ON APPROACH. HYDRAULIC LEAK IN WHEEL WELL AREA. FOUND UNION ON AUTO BRAKE MODULE LOOSE. SECURED AND OPS CHECK NORMAL. ALSO, FOUND O-RING EXTRUDED FROM NR 2 SPOILER ACTUATOR SWIVEL. REPLACED O-RING. LEAK AND OPS CHECK NORMAL. REFERENCE AWXA960033.