As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HYDRAULIC SYSTEM QTY AND PRESSURE DROPPED TO ZERO. LT ENG DRIVEN PUMP AND ELEC SWITCH TURNED TO OFF POSITION AFTER PRESSURE LOSS. FOUND LEFT EDP SUPPLY LINE LOOSE AND BACKSHELL LOOSE. REPLACED LEFT EDP REF MM AND BOTH LEFT HYD CASE FILTERS. NOTED THAT FILTERS WERE DIRTY BUT NOT WITH ANY HEAVY DEBRIS (REF MM 29-11-17). NOTE EXAMINED BOTH FILTERS FOR METAL NONE PRESENT.