A flight departing from Raleigh-Durham International Airport was forced to return shortly after takeoff because of a mechanical issue.
United flight 1700 was bound for San Francisco when a light alerted the pilot to the problem, possibly with the landing gear.
The Airbus 320 landed without incident.
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There were 151 people on board, including six crew members.
A maintenance team is inspecting the aircraft, a spokesperson for United Airlines told ABC11.
United is working to accommodate customers to San Francisco as soon as possible.
"United apologizes for the inconvenience," the spokesperson said.
This is a developing story. Check back for updates.