http://www.navyrecognition.com/index.php/news/defence-news/2017/may-2017-navy-naval-forces-defense-industry-technology-maritime-security-global-news/5163-russia-to-spend-714-million-on-aircraft-carrier-admiral-kuznetsov-s-repair.html
Because it costs so much to send a tug along for those embarassing moments.
http://www.telegraph.co.uk/news/2016/10/21/russian-carrier-plagued-by-technical-problems/