As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 823 WAS ABOUT 30 MINUTES FROM LANDING WHEN THEY HAD A GREEN SYS HYD LOW PRESSURE. DECLARED AN EMERGENCY & LANDED WITHOUT INCIDENT. FOUND A HYDRAULIC LINE IN THE LT PYLON LEAKING. REPLACED THE LINE IAW AMM 29-11-49. ACCOMPLISHED A SATISFACTORY LEAK CHECK.