As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - FLT NR 9 - LOSS OF ALL HYDRAULIC FLUID IN SYSTEM 3 ON CLIMB-OUT. RETURNED TO LAX FOR LANDING. FOUND 2 SHEARED BOLTS ON HORIZONTAL STAB TRIM AUX HYD PUMP. REMOVED AND REPLACED HYDRAULIC MOTOR. OPS CHECK, LEAK CHECK OK. SERVICED NR 3 SYSTEM TO REQUIRED LEVEL. (M)