The flight safely returned to Denver International Airport with 135 passengers and six crew members on board.

The incident occurred amid ongoing manufacturing and safety concerns at Boeing.

Southwest Airlines will review the aircraft and take responsibility for maintenance of the affected parts.

The airline apologized for the delay caused by the incident and prioritized safety.

US airline regulators have launched an investigation into the incident.

A Boeing 737-800 plane manufactured in 2015 experienced an incident after landing at Houston's Hobby Airport.

The Federal Aviation Administration (FAA) reported the plane was towed to the gate following the incident.

The aircraft uses CFM56 engines, different from the CFM-Leap engines used in the latest Boeing 737 Max models.

Both engine types are produced by a joint venture between General Electric Aerospace and Safran Aircraft Engines.

Boeing declined to comment, while Southwest Airlines confirmed a three-hour delay for affected passengers.

The incident comes after a previous mid-air engine blowout on a Boeing 737 Max flight in January, which raised safety concerns.

Boeing paid $160 million to Alaska Airline as compensation for losses incurred due to the emergency grounding of nearly 200 Boeing 737 Max 9 jets.

The planes were grounded after a door plug fell from an Alaska aircraft shortly after take-off.

Boeing has been working to restore its reputation since crashes involving a different version of the 737 Max plane in 2018 and 2019, which killed 346 people and led to the global grounding of the popular planes for over 18 months.