This morning (09:00 - 10:00 LT), we went to the WI base tower to take reference pictures and measurements of the PAM actuator position (see Fig. 1).

Afterwards, we contacted the vacuum team to understand how much clearance is needed for the future replacement of the viewport. We agreed that moving the PAM actuator to a parking position on the base tower would provide sufficient clearance for the planned work. (see Fig. 2).

Finally, we took some pictures of the viewport to be replaced, as seen from the outside (Fig. 3). From the outside, the smaller viewport does not show the same signs of degradation as the viewport to be replaced. In particular, no sparkling/glittering features are visible, which would suggest dust or coating flaking, as observed on the damaged viewpor t (69192).