As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBOUND, CREW REPORTED A TOTAL LOSS OF THE GREEN HYDRAULIC SYSTEM FLUID. EMERGENCY DECLARED DUE TO LOSS OF NOSE WHEEL STEERING. MAINTENANCE DISCOVERED A HYDRAULIC RIGID PRESSURE LINE IN NR 1 PYLON LEAKING. LOG PAGE INDICATES LEAK CAUSED BY CLAMP. TEMPORARILY REPLACED THE RIGID HYDRAULIC LINE WITH TWO FLEX LINES P/N 00-0550-3-0484 AND 00-0550-3-0481 AND REDUCER P/N MS21916J8-6. LOG DEFERRED TO MONITOR.