As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 1853 - THE RT HYDRAULIC SYSTEM QUANTITY BEGAN TO DROP IN FLIGHT. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE HYDRAULIC SUPPLY LINE RUPTURED. THE SUPPLY LINE WAS REMOVED AND REPLACED. THE NR 2 ENGINE WAS RUN AFTER SERVICING THE RT HYDRAULIC SYSTEM AND NO LEAKS WERE NOTED. (X)