March 15 (Reuters) - United Airlines on Friday

said one of its Boeing 737-800 aircraft was found to have

a missing external panel and landed safely at its scheduled

destination at Rogue Valley International Medford Airport in

Oregon.

"We'll conduct a thorough examination of the plane and

perform all the needed repairs before it returns to service,"

United Airlines said in a statement, adding it will also

investigate to understand the cause of the incident on flight

433.