Pacific Rim regularly rotates through major streaming platforms like Netflix, Max (formerly HBO Max), and Hulu, depending on your region.
A telesync is a bootleg recording of a movie filmed inside a movie theatre, usually using a professional camera on a tripod in the projection booth with a direct connection to the theatre's sound source. While better than a standard "CAM" rip, TS copies are from the film's initial 2013 release window and offer vastly inferior video and audio quality compared to modern releases.
Check platforms like Max (formerly HBO Max) , Hulu , or Amazon Prime Video , as they often stream Warner Bros. films.