Southwest Airlines (NYSE:LUV) stock is in the news Monday as the Federal Aviation Administration (FAA) plans to probe the travel company over an engine cover problem.Southwest Airlines made headlines over the weekend when an engine cover flap on one of its planes came loose after taking off from the Denver International Airport. This resulted in the flight returning to that airport and passengers boarding another jet, resulting in a 3-hour delay.The FAA is investigating this matter as Southwest Airlines als ...