headlamp and play?

[cro320]

Check the adjuster knob on the back. They are plastic and can break pretty easily.

checked, looks fine, but light has slight play still

[gearheadE30]

Check the adjuster knob on the back. They are plastic and can break pretty easily.

[cro320]

I've got some play in my high beam light, I can move it with my hand, I noticed this couple of days ago during washing.
Something must be broken but what?

Thanks for help