IOWA CITY — A troubled University of Iowa fraternity that’s been on some form of probation or sanction since 2017 again has had its disciplinary stint extended — now through the end of 2022 — after campus investigators this month determined it hazed new members and violated alcohol and property rules.Pi Kappa Alpha — known as PIKE and as one of the campus’ largest fraternities, reporting 92 total members and nearly 20 new — this semester committed a range of offenses involving social events with alcohol and without COVID-19 precautions; new member servitude; and lack of supervision, according to UI findings.“Our investigation led to the conclusion that alcohol consumption by underage members is perceived to be an expectation of the experience in the chapter,” according to a 39-page March 8 memo the UI Office of Student Accountability sent Pi Kappa Alpha summarizing its investigative findings.Given the fraternity — at 1032 N.