The RI8568C Cassini 16 Infrastructure with "Rev C" Rotation Lock may be affected with a failed bearing pin.
URGENCY: Low
Corrective Action
Replace bearing pin with replacement (screw) assembly.
Identify of Failed Bearing

Identify of Corrected Bearing
This shows the "strong" pin head on and the weak pin at a perfect 90 degrees, and nothing is hanging out. A worn bearing would be visible as the weak pin hanging a bit on one side.

Root Cause
Bearing pin designed for use beyond angle and force pressures of the final assembly.
Affected Infrastructures:
Infrastructures upgraded or manufactured between June-2008 until Oct-2016 may be affected, QTY 1,120.