Hi there,
I was just wondering whether those datarefs for the A/T and FMC light indicators are available now? Yesterday I was creating a custom Panel for my IXEG 737 home cockpit and had the same issues like in these posts above 1 year ago. For the FMC I found at least a (not 100% correct) workaround using the dataref that shows when the CDU shows a message (the yellow MSG string on the right side of the CDU).
Any help and hint is welcome.
kind regards,
Stephan