Berlopez wrote on Mar 8^th, 2016 at 10:14pm:

Just checked my 727-100 another company RE V2.7 for the Little Black line under the slats. I don't have it,thought it could be a single one of those Little Blck antenae that are place in front of the slats on some planes ? Even if I extend the slats. I made various attempts at making it show, to my knowledge it didn't show,On the other hand I made a search and it could be a Static discharger like these on another plane scroll Down a bit for a Picture:https://en.wikipedia.org/wiki/Static_discharger Wonder if it's not a corrupt BMP you have and need a complete reinstallation of your CS727,If it persists,even if it doesn't bother you you could download a new copy.Berlopez

Thanks for the possible suggestions, Berlopez. But I've installed v2.7 on a brand new PC build and it still has the same glitch. However, if I fly with the advanced animations option disabled, the piece doesn't show up because there's no "wingflex". So I guess that's one work-around.