What was found
SPOILERS FAILURE WAS PRESENTED ON EICAS AFTER TAKE OFF STRONG VIBRATION WAS FELT BY CREW RUDDER INPUT WAS MADE BY PLANE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SPOILERS FAILURE WAS PRESENTED ON EICAS AFTER TAKE OFF STRONG VIBRATION WAS FELT BY CREW RUDDER INPUT WAS MADE BY PLANE.