Here is the weekly draft for TD 674.
Team,
Effective immediately, Technical Directive 674 (TD 674) supersedes all previous versions regarding the [Component Name, e.g., braking system / HVAC module]. td 674
Please choose the one that fits your needs. Use this if TD 674 refers to a U.S. Treasury Decision or specific tax form/notice. Here is the weekly draft for TD 674
Service Bulletin: Implementing TD 674 on Fleet Units td 674