As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED DUE TO LOSS OF GREEN HYD SYSTEM. A/C TOWED TO GATE. [SUP 06-01-07] FOUND A CRACKED HYDRAULIC LINE LEADING TO THE THRUST REVERSER MANUAL ACTUATION CONTROL VALVE IN THE NR 1 ENGINE PYLON. MANUFACTURED AND INSTALLED A NEW LINE. REPLACED HP AND PUMP CASE DRAIN FILTERS AS A PRECAUTION.