Flight gear had just taken off when the pilot heard banging from beneath . LA - bound plane was scheduled to return to base for emergency landing . Worker remained calm but was taken to hospital as a precaution . Cargo hold was pressurized and temperature controlled , so the plane was not in danger .
Flight 448 had just taken off when the pilot heard banging from beneath . LA-bound plane was forced to return to Seattle for emergency landing . Worker emerged calm but was taken to hospital as a precaution . Cargo hold was pressurized and temperature controlled , so the man was not in danger .