As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED DUE TO A HYDRAULIC INDICATION PROBLEM. HYD LEAK ON NR 1 PYLON. FOUND CRACKED ELBOW MS21907W10, NON STOCK PART AVAILABLE AT BOEING. REPLACED ELBOW. SERVICED HYD SYSTEM. LEAK CHECK OK WITH ENG MOTORING, NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.