A plane on its way to Houston was forced to return to Denver International Airport shortly after takeoff. The Federal Aviation Administration said an engine cover came off a Southwest Airlines flight. Nobody on board was hurt, and those passengers arrived in Houston on a different plane. The airline told KHOU 11 the plane experienced a "mechanical issue." When the flight began takeoff, passengers noticed something was wrong. Many said they didn’t realize the extent of the damage until they got off the plane. “Taking off, I just heard someone say something’s wrong with the plane,” Alisa Moses told KHOU 11. “Some of the people closer to the wing say they saw a strike on the wing,” Frank Sanger told KHOU 11 after he arrived at Hobby Airport on Sunday afternoon. After passengers and flight attendants could see the plane’s right engine exposed, they notified the pilots who called air traffic control. Read more: https://www.khou.com/article/travel/southwest-airline-plane-engine-cowling-issues/285-61d74779-aca5-4c7d-af52-a84378deaa40 Subscribe to the KHOU 11 News YouTube Channel | https://bit.ly/2GCgSZ0 REMEMBER: KHOU 11+ is always streaming on Roku, FireTV and Apple TV! http://khou.com/Plus Follow KHOU 11 News on social! ➡️FACEBOOK: https://www.facebook.com/khou11 ➡️TWITTER: https://www.twitter.com/khou ➡️INSTAGRAM: https://www.instagram.com/khou11 Visit our website: https://www.khou11.com