Navy Pier AeroBalloon under inspection

June 8, 2010 (CHICAGO)

According to The Chicago Tribune, helium levels were fluctuating abnormally inside the balloon.

An inspection is under way on the balloon which was deflated.

Many people enjoy the balloon, which takes people 350 feet above the ground.

If the inspectors do not detect any problems, the balloon could soon be back in operation depending on the weather.

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