As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER HYDRAULIC SYSTEM EICAS QUANTITY LIGHT ILLUMINATED. QUANTITY INDICATES .40. EXCESSIVE LEAKING (CENTER SYSTEM HYDRAULIC FLUID) FROM LEFT AILERON INBOARD POWER CONTROL ACTUATOR (PCA). REMOVED AND REPLACED SUBJECT ACTUATOR WITH NEW SERVICEABLE ACTUATOR AND OPERATIONALLY CHECKED PER MM 27-11-20. ALL CHECKS NORMAL.