As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED HYD SYSTEM NR 1 PRESSURE LOW AND QUANTITY READING ZERO DURING FLIGHT. DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND LEAK ON HYD EDP NR 1 AND HYD NR 1 PRESSURE MANIFOLD LINE. R & R NR 1 EDP, R & R NR 1 HYDRAULIC PRESSURE MANIFOLD LINE AND LINE CLAMPS AND PERFORMED CHECKS IAW AMM. AIRCRAFT RELEASED FOR SERVICE.