According to CCTV news, the Federal Aviation Administration of the United States announced on the 15th local time that it will investigate the missing exterior panels of United Airlines Boeing aircraft.
On the 15th, a United Airlines flight departing from San Francisco International Airport was found to be missing an external panel when it arrived at its destination airport in Medford, Oregon. This Boeing 737-800 aircraft is carrying 139 passengers and 6 crew members.