https://dynonavionics.com/support-bulletins.php
https://dynonavionics.com/bulletins/104808-000-Rev-A-Tech-Service-Bulletin-SV-AP-PANEL.pdf
This is affecting the SV-AP-PANEL
https://dynonavionics.com/bulletins/104808-000-Rev-A-Tech-Service-Bulletin-SV-AP-PANEL.pdf
This is affecting the SV-AP-PANEL