As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO LAX DUE TO THE FLIGHT CREW REPORTING YELLOW HYDRAULIC RESERVOIR LOW LEVEL ECAM CAUTION DISPLAYED. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES AND THEY REPORTED THAT AFTER RUNNING THE PROCEDURES THE YELLOW HYDRAULIC SYSTEM ENGINE 2 PUMP LOW PRESSURE AND YELLOW HYDRAULIC SYSTEM LOW PRESSURE ECAM MESSAGES DISPLAYED THE AIRCRAFT LANDED SAFELY AT LAX WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT HAND PYLON YELLOW HYDRAULIC LINE / HOSE PER TASK CARD 2922E003-004.