As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - FLT 0187- THE YELLOW HYDRAULIC SYSTEM FLUID DROPPED TO THE ORANGE DOT DURING CRUISE. THE HYDRAULIC PUMP WAS DUMPED AND THE FLUID LEVEL REMAINED AT THE ORANGE DOT. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE YELLOW SYSTEM NR 2 ENGINE DRIVEN HYDRAULIC PUMP LEAKING. THE PUMP WAS REMOVED AND REPLACED AND LEAK CHECK WAS GOOD. (X)