As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GREEN HYDRAULIC SYSTEM/FLUID FAILURE AFTER TAKE-OFF. INITIALLY DECLARED A PAN PAN WITH ATC AND WAS UPGRADED TO A MAYDAY DURING VECTORS BACK. RESOLUTION FOUND NLG ACTUATOR CYLINDER FLEX LINE RUPTURED. REPLACED LINE IAW AMM32-31-22-PB401. LEAK CHECKED SERVICEABLE. (TC# 20190719001)