As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC FLUID FROM WHEEL WELL PRESSURE LEAK SPRAYED INTO THE NR 1 ENGINE WHICH THEN ENTERED THE VENTILATION SYSTEM CREATING A MIST THROUGHOUT THE CABIN. MAINTENANCE FOUND LEAK AT ALTERNATE BRAKE MANIFOLD. REPLACED O-RING ON PLUG AND REACTIVATED SYSTEM IAW AIRBUS MAINTENANCE MANUAL 32-43-32-401.