Linear anomaly in Landsat 8 image

This is probably a contrail. I spotted it while working on a Landsat 8 image. The software I use for most of my Landsat 8 processing is TNT MIPS by Microimages. The specific scene is p132r027, dated 2014-294.

Band 7 is displayed as red in this image. 753(RGB).

Decorrelated band 7 is shown as blue. DC567.