As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AILERON LOCKOUT EICAS DISPLAYED. DUE TO HISTORY OF AILERON LOCKOUT EICAS MESSAGE DISPLAYED, IAW SVC TIP MM27-11-44 PG 200A REPLACED THE RIGHT AILERON LOCKOUT ACTUATOR IAW MM. IAW IPC 27-11-44-01 ITEM 56 PCN (563-9035). INSTALLED SERVICEABLE RIGHT AILERON LOCKOUT ACTUATOR. OPERATIONS CHECKED NORMAL.