Analysis found that the reported ¿root¿ was referring to the hub.Visually, the tracker hub came loose from the outer hub which would have resulted in the reported event.The portion that became detached is not likely to become an un-retrieved device fragment.The hubs shall be bonded to the assembly using adhesive per the drawing.When viewed under magnification there was a residue consistent with adhesive on the mounting areas.Although it appears that adhesive was present, the information indicates there was insufficient adhesion which resulted in the component coming loose.If information is provided in the future, a supplemental report will be issued.
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