Here’s the link.
http://www.inquisitr.com/684429/teen-sues-united-airlines-over-masturbating-passenger/
It was filed in Los Angeles Superior Court. it was moved from LASC to Federal Court in December 2013. AMESTOY v. UNITED AIRLINES Case No. CV13–9084 MWF (AJWx).
If you have access to PACER, look up the case number and see what the status is,