Originally Posted by
MarcK
Stuck bits are more likely an optical encoder error in the AOA vane, not a software error.
IF the vane had been changed out after displaying the same problem on JT43, then the accident flight JT610 wouldn't have had the same error.
The offset IMO is a downstream A/D problem, that wasn't picked up probably because there was no comparison made between AoA vane physical position and A/D output prior to and after changing the vane.