As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HYDRAULIC SYSTEM RF IN EICAS. HYDRAULIC LEAK IN LT WHEEL WELL COMING FROM UPPER AFT HYDRAULIC MOD. IT LEAKS WITH CENTER ADP RUNNING. TRACED LEAK TO PRESSURE INLET LINE OF ADP FILTER MODULE, UNION O-RING REPLACED, NO LEAKS NOTED. AREA CLEANED AS REQUIRED.