Federal officials say that problem with cracked windshields on airplanes using Denver International Airport last week may be worse than originally thought.
Officials at the National Transportation Safety Board say 20 airplanes reportedly developed windshield cracks during a spate of high winds and brutal cold at DIA February 16th.
Originally, it was believed only a dozen planes were affected.
Authorities suspect the weather may have had something to do with the mysterious cracks, which developed in airplanes that were both on the ground and taking off or landing.
A glass expert is being brought in next week to help with the investigation.
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