Thanks.There's a whole thread dedicated to this very issue actually:
https://www.f150gen14.com/forum/threads/armrest-not-staying-up-in-open-position.4470/
Hope this helps.
No worries. Sometimes trying to find something specific on her only works when someone else remembers seeing it before.Thanks.
I searched for the center console, but I guess I should have searched for the actual armrest instead.