2009 Itasca 24H Power Roof Skylight

[Donica]

Mine is broken and needs to be replaced. How do I access replacement parts?
Thank you.

 

[Winterbagoal]

Possibly some help/advice here, if it's one of these. The search function on this website works well sometimes.
https://www.winnieowners.com/forums/f265/dometic-midi-heki-skylight-355349.html