AD FAA-2013-0869

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767 airplanes. This AD was prompted by reports of bearing damage at certain trailing edge (TE) flap support rib assemblies. This AD requires inspecting certain TE flap support rib assemblies to determine if the bearings have a roller retention feature, and performing corrective actions if necessary; and inspecting for bearing damage of each pair of removed bearings, and performing related investigative and corrective actions if necessary. We are issuing this AD to detect and correct damage to the TE flap support bearings, which could ultimately result in loss of controllability of the airplane.