Autopilot won’t roll left

[bagrimm]

My autopilot servo will turn the plane right but not left. Is this a computer glitche or a servo in need of replacement?

 

[William_Ince]

My autopilot servo will turn the plane right but not left.  Is this a computer glitche or a servo in need of replacement?

Shear screw alert!
Shear screw alert!! . .  :

 

[Dynon]

Yes, definitely check your shear screw.

 

[Mazsola]

Yes, this happened to us also once before !