Grey texturing (shadowing?) bug around fuselage windows

[georgealdrich]

The aircraft has sections of large grey flickering texture around the passenger windows, mainly on the right hand windows seen here. 

Cheers 

[georgealdrich]

Additional screenshot of same area, taken at different time of day and sun position. 

Cheers 

[Eddie]

Hello,

I have not seen this while attempting to reproduce. What variant are you using? Or do all variants give you this issue?