As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 1475 - THE A-SYSTEM HYDRAULIC FLUID QUANTITY BEGAN TO DECREASE AFTER TAKEOFF FROM CLE. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NR 2 ENGINE A-HYDRAULIC SYSTEM PRESSURE LINE UNION IN THE RT WHEELWELL LEAKING. THE UNION WAS TIGHTENED AND LEAK CHECK WAS GOOD DURING AN ENGINE RUN. (X)