Images and video purporting to be of a US CH-47 helicopter pictured on April 3 at a US airfield near Kobane, Syria were posted by a number of Twitter accounts.
Some of the tweets
An American H-47 Chinook helicopter at the US military airfield in southern Kobanê, 'Syria'. pic.twitter.com/MxHeZzZiRl
— Ersin Satlyck (@e_sklt) April 3, 2017
The real video
The video below is from Erbil, Iraq. It was shot on January 16 and posted on Dvids, the US Defense Video Imagery Distribution System.
U.S. Army aviators test engines a CH-47F Chinook
U.S. Army aviators with Company B, 1st General Support Aviation Battalion, 111th Aviation Regiment, Florida Army National Guard perform an engine stress test on an CH-47F Chinook helicopter near Erbil, Iraq, Jan. 16, 2017. U.S. Army Aviation enables partnered forces to defeat ISIL by providing air support on the battlefield. Combined Joint Task Force – Operation Inherent Resolve is the global Coalition to destroy ISIL in Iraq and Syria. (U.S. Army video by Sgt. Neil Stanfield)
The airfield near Sarrin, south of Kobane is real and was recently expanded and modified, but these images are not from there.