Source: Simon Hradecky | www.avherald.com

A Southwest Airlines Boeing 737-700, registration N7853B performing flight WN-565 from Denver,CO to San Diego,CA (USA) with 129 passengers, was climbing out of Denver’s runway 34L when the crew stopped the climb at about FL250 reporting they had a pretty good smell, they had smoke in the back and needed to return to Denver. The aircraft landed safely back on Denver’s runway 35L about 22 minutes after departure.

A replacement Boeing 737-700 registration N293WN reached San Diego with a delay of about 3:20 hours.

The occurrence aircraft returned to service about 16 hours after landing back.