how to remove this plastic thingi
i want to remove the plastic light holder and replace with fan rated holder to install the fan. How do i remove it as i dont see any screws inside of it. plus the earlier fan holder has 1 screw that is just spinning and not unfastening.
https://i.imgur.com/R5zyQeo.mp4
https://i.imgur.com/R5zyQeo.mp4