Saturday, 20 September 1986
Street Scene
Los Angeles, CA, USA
[No setlist details]
Confirmation:
Setlist.fm
Bob Baker, Los Angeles Times 19th Sep 1986 lists all bands and stages. FNM at 4pm on stage 16.

Possibly same gig referred to in this newsgroup post: Google Groups
On This Day:
Year Venue State/Country
1991 Ginásio Maracanãzinho, Rio de Janeiro RJ, Brazil
2015 Luna Park, Buenos Aires Argentina