As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST LEFT HYDRAULIC SYSTEM FLUID IN FLIGHT. NOTICED IN CLIMBOUT . EMERGENCY DECLARED. FOUND FLEXIBLE LINE TO THE NOSE LANDING GEAR DOOR ACTUATOR TO BE RUPTURED APPROXIMATELY 1 INCH ABOVE THE LOWER ATTACH POINT. SEE IPC 32-34-51-15A ITEM 400. REPLACED FLEX LINE, SERVICED HYDRAULICS AND OPS CHECKED SYSTEM. NO OTHER LEAKAGE DETECTED.