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Transportation Safety Board: Mineral stress related to Boeing 777 engine fire

 

US National Transportation Safety Board Chairman Robert Samwalt said metal stress is related to the damage that caused the United Airlines’ Boeing 777 aircraft to fire last week.

Transportation Safety Board: Metal stress has to do with an aircraft engine fire

The company producing “Boeing 777” recommends that it be decommissioned due to the combustion of the engine of one of them during the flight

United States .. Video showing the burning of a Boeing aircraft engine in the air

Samwalt announced in a press conference, yesterday, Monday, that after a preliminary analysis of the flight data recorder and the voice recorder in the cockpit, it was found that the engine manufactured by Pratt & Whitney had failed, causing a loud noise four minutes after the plane took off from Denver, Colorado, USA. .

He said it was not clear whether the accident was similar to an engine failure on another United flight plane that was bound for Hawaii in February 2018, and the cause was attributed at the time to a fracture caused by metal stress in one of the engine fan blades.

Samwalt added, “It is important to understand the facts, circumstances and circumstances related to this particular event before comparing it to any other event.”

The defective engine on a Boeing 777, manufactured 26 years ago, which was scattered by debris on a suburb of Denver, was a “Pratt & Whitney 4000” model and was used in 128 aircraft, less than 10% of the global fleet of Boeing 777 fuselages. The wide, which has more than 1,600 strength.

The engine code will be tested on Tuesday after it is airlifted to a Pratt lab under the supervision of the US National Transportation Safety Board.

“Boeing” recommended airlines to suspend the use of their aircraft carrying this type of engines, until the US Federal Aviation Administration develops an appropriate inspection protocol.

 

Source: Reuters

 

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