This bulletin is applicable to GTX 3000 units with software version 3.10 or previous software versions not installed in a Garmin Integrated Flight Deck system (G5000, G3000, G2000, G1000, G1000H, G950, G900X, Cirrus Perspective™, and Embraer Prodigy® Integrated Flight Deck Systems).
Optional – TSO Service Bulletin 1642 may be incorporated at the owner’s discretion and is not warranty reimburseable.
This Service Bulletin incorporates new unit Software Version 3.20 for GTX 3000 units. Software Version 3.20 incorporates the following functionality:
- Ensure proper CDU maintenance reporting in ProLine installations
- Ensure proper AFCS mode reporting in EHS registers when using the A429 AFCS input format