No passengers were on board Southwest Airlines Flight 8701, which was being transported from Orlando International Airport to Victorville, California, for short-term storage, the airline said.
Shortly before 3 pm, the two pilots on board the flight reported "a performance problem with one of the engines shortly after takeoff," said the airline.
"The crew followed the protocol and landed safely at the airport."
It is not clear if the emergency landing was related to recent issues involving aircraft.
The aircraft returned and landed in Orlando, according to the FAA, which is investigating. He made an emergency landing on Runway 18 on the left, which the airport is trying to reopen.
The runway stop did not affect traffic, an airport spokeswoman said.
Southwest said the plane would be moved to its maintenance center in Orlando for a review.
The Trump administration said it had immobilized the fleet in the light of information gathered at the crash site of an Ethiopian Airlines flight on 10 March. Until March 13, officials said the planes were safe, despite concerns over the crash of a Lion Air flight in October.
The causes of the accidents have yet to be determined. However, emphasis was placed on an automatic safety function – and not on engine problems – that could have forced the nose of each plane to lower if it mistakenly believed that the aircraft was likely to enter. in stall.
Boeing and the FAA stated that they were working on an aircraft software upgrade to handle this security feature