The 25-year-old is not permitted to play in the All Blacks' final two games of the Rugby Championship in South America and South Africa.
"He went out drinking late in Auckland on Saturday night and didn't make flight to Argentina," BBC Sport quotes coach Steve Hansen as saying. "He is embarrassed at his actions.
"We are extremely disappointed at Aaron's actions, which are out of character."
New Zealand currently have a six-point lead in the Championship following three victories and a draw.