As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN TOP OF CLIMB LOSS OF HYDRAULIC FLUID AND PRESSURE DOWN TO THE STAND-PIPE SLOWLY. FOLLOWED EMERGENCY CHECK LIST. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PRESSURE LINE TO AUXILIARY PUMP OPERATIONAL CHECK IAW MM 29-0-3 OPS NORMAL, NO LEAKS NOTED.