What is a AR 635-200 chapter 13-2F on your dd214 mean?

AR 635-200 Chapter 13-2F refers to the Army Regulation governing the separation of soldiers due to misconduct, specifically for "patterns of misconduct." A separation under this chapter typically indicates that the individual has engaged in a series of minor offenses or inappropriate behavior that warrants administrative discharge from the Army. This chapter may also reflect a soldier's failure to maintain acceptable standards of conduct, which can affect their future opportunities and benefits.