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 AND THE AIRCRAFT DIVERTED TO MSY DUE TO YELLOW HYDRAULIC SYSTEM RESEFVOIR LOW LEVEL MESSAGE WITH ZERO PRESSURE AND QUANITY INDICATIONS. THE AIRCRAFT LANDED SAFELY AT MSY WITHOUT FURTHER INCIDENT. MAINTENANCE NOTED HYDRAULIC FLUID LEAKING FROM THE RIGHT PYLON AND REPLACED A HYDRAULIC LINE IN THE PYLON. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.