As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND HYDRAULIC FLUID LEAKING FROM LEFT ENGINE PYLON COMMON DRAIN. FOUND HYDRAULIC LEAK ON LEFT ENGINE RETURN FILTER MODULE DPI. REMOVED DPI AND REPLACED DAMAGED O-RINGS PER AMM 29-11-15 LEAK CKS GOOD. SERVICED HYDRAULIC FLUID LEVELS TO FULL PER AMM 12-12-01.