As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK AND EMERGENCY LANDING. LOSS OF GREEN HYDRAULIC SYSTEM (1+2 FAULT) BOTH. IN ACCORDANCE WITH AMM TASK 29-11-34-000 -801 THE HSMU WAS REMOVED AND IN ACCORDANCE WITH AMM TASK 29-11-34-400- 801 THE HSMU WAS REPLACED AND INSTALLED IN ACCORDANCE WITH AMM TASK 29-31-00-740 -802 OPERATIONAL TEST OF THE OVERHEAT DETECTION SYSTEM WAS PERFORMEDAND IS SATISFACTORY