An American Airlines flight en route to Orlando on Wednesday afternoon aborted the trip and returned to Philadelphia International Airport after a problem was detected, according to reports.
The pilot turned Flight 1748 around when an indicator light came on, 6ABC reported.
After the plane touched down safely before 3 p.m., maintenance crews checked the plane to determine the problem.
About 150 passengers and five crew members were put on a later flight, the station reported.
There were no reports of injuries.