As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - LOSS OF MAIN SYS HYD QUANTITY APPROACHING TOP OF CLIMB. CREW DECLARED AN EMERGENCY. REMOVED BOTTOM 90 ELBOW FITTING AND LINE. REPLACED LOWER MG ACTUATOR LOWER LINE AND ELBOW ON CYL. LEAK CHECKED PER 32-32-02-2. LEAK CHECK GOOD. SERVICED HYD RESERVOIR AND HEAD PRESS AS REQUIRED.