737 Engine Contrails

[idaniel83 0]

Rather than appearing to come out of the back of the engines, the contrails are a few feet offset from where they should be

[Chock 17,769]

If you mean back and below the engine outlets, that is typically where they will form in real life as they take a split second to form and are forced down somewhat by the airflow coming off the top of the wing, but if you mean offset to the side, then yup, something's not right.