As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - DUE TO HIGH VIBRATIONS. // NEED TO ACCOMPLISH VERIFICATION FLIGHT DUE TO DUAL FAN BLADE LUBE. AIRCRAFT RELEASED TO ETOPS SERVICE IAW HAL ETOPS MAINTENANCE MANUAL FOR VERIFICATION FLIGHT DUE TO DUAL FAN BLADE LUBE. VERIFICATION FLIGHT FOR DUAL ENGINE FAN BLADE LUBE COMPLETED SATISFACTORY. OK FOR SERVICE.