A missing external panel on a Boeing plane was detected when it landed at an airport in the US state of Oregon on Friday, says United Airlines.
A spokesperson said United flight 433 left San Francisco and arrived at the Rogue Valley International Airport in Medford, Oregon, around 11:30 (18:30 GMT) on Friday.
The 25-year-old Boeing 737-800 was carrying 139 passengers and 6 crew.
No-one was injured – the missing panel went unnoticed during the flight.
Boeing is under fierce scrutiny after a series of high-profile safety incidents.
Amber Judd, a senior official at Rogue Valley International Medford Airport, said the plane landed safely and the external panel was only discovered missing during a post-flight inspection.
“We’ll conduct a thorough examination of the plane and perform all the needed repairs before it returns to service,” she…