Do you have 1.3? Perhaps something in there will fix the problem. Try downloading it if you haven't already.

I really don't think there is a solution to the vertical line, though it seemed to disappear when I changed the cabin view (business class or whatever it's called). Markoz gave me a new viewpoint (so you can look out of the window instead of float in the middle of the cabin). Try using this in CameraDefinition.006. You just need to change the initialXYZ:

[CameraDefinition.006]
Title = "Passenger Seat"
Guid = {FDADCBDB-0D5A-41B9-BBC1-5BF18E74A443}
Origin = Virtual Cockpit
MomentumEffect = YES
SnapPbhAdjust = Swivel
SnapPbhReturn = False
PanPbhAdjust = Swivel
PanPbhReturn = False
Track = None
ShowAxis = YES
AllowZoom = TRUE
InitialZoom = .3
SmoothZoomTime = 2.0
ZoomPanScalar = 1.0
ShowWeather = Yes
XyzAdjust = TRUE
ShowLensFlare=FALSE
Category = Cockpit
PitchPanRate=20
HeadingPanRate=60
InitialXyz=1.56, -0.25, -18.25
InitialPbh=-1,0,0