Try
- Make sure you have latest A32NX version.
- Create OFP in SimBrief.
- In Flypad\Settings(Cogwheel)\ATSU/AOC enter Simbrief Username/Pilot ID
- Enter your SimBrief username into MCDU Menu\ATSU\AOC Menu\INIT/PRESS select INIT DATA REQ.
- In INIT choose INIT REQUEST .
- Contents of your SimBrief OFP should be loaded into MCDU.
See also SimBrief Integration - FlyByWire Simulations Documentation
Cheers
Ian