US aircraft manufacturer Boeing has advised airlines not to use Boeing 777s with the same type of engine that caused trouble for one of the aircraft in the United States on Saturday. Immediately after the accident, the US Federal Aviation Administration (FAA) ordered an extraordinary inspection of these aircraft, and some airlines stopped the operation of these Boeings themselves.
On Saturday afternoon, a large piece of United Airlines’ Boeing 777 landed at a house in the suburbs of Denver, USA. The machine was headed for Honolulu. | Video: Aktuálně.cz
A Boeing 777 of United Airlines, which had 241 people on board, one of the engines broke down on Saturday afternoon local time shortly after takeoff from Denver Airport and started burning. The plane returned safely to the airport, but a huge chunk of engine fell into the residential area in front of the family house. Nobody got hurt. The aircraft was equipped with Pratt & Whitney 4000 engines.
A video shot by one of the passengers and showing the burning engine of the machine also appeared on social networks.
The FAA has announced that the ordered inspection is likely to result in the machines having to be shut down in a timely manner. After the incident, the office’s experts went through the available safety data and concluded that more frequent inspection of the blades in the engine was necessary. The National Traffic Safety Authority (NTSB) found that only the engine was damaged in the accident, the damage to other parts of the aircraft was minimal. The European Union Aviation Safety Agency (EASA) also requested information on the causes of the accident on Monday.
Engine manufacturer Pratt & Whitney said in a press release that he had set aside a team of experts to work with investigators. They also deal with the proposal whether to shorten the interval of inspections of engine parts. Pratt & Whitney is part of Raytheon Technologies and one of the three engine manufacturers originally involved in the production of 777 aircraft.
The Pratt & Whitney 4000 engine, although slightly different, also had a Boeing 747 cargo plane, which also had problems in the Netherlands on Saturday. Falling parts from the burning engine of the starting Boeing of the Bermuda company Longtail Aviation injured two people here. Several houses and cars were also damaged. The machine was headed from Maastricht to New York. The plane then made an emergency landing in Liège. Authorities are now investigating the accident.
United Airlines said it had taken its 24 Boeing 777s equipped with the engine type out of service. No other airline in the US uses the exact same type of aircraft.
They are also used by airlines in Japan and South Korea
However, airlines in Japan and South Korea have the same type of aircraft in their fleet. The Japanese authorities ordered the operation of aircraft with Pratt & Whitney 4000 engines to stop. Japan Airlines operates 13 of these aircraft, and ANA Holdings airline 19. In December, Japan Airlines had a problem with an aircraft whose left engine was not working properly.
Boeing said in a statement that due to the investigation, it recommends to stop the operation of all 69 aircraft, which are equipped with Pratt & Whitney 4000-112 engines and which are in active service around the world. Another 59 aircraft of this type and with the same engine are in the hangars. Due to the pandemic, air traffic is still severely restricted.
The problem with the 777 aircraft comes shortly after all 387 Boeing 737 MAX aircraft had to stop operating worldwide for more than a year and a half. Although the shutdown now involves a significantly smaller number of Boeings, this means new difficulties for manufacturers. The FAA has already strongly criticized Boeing for its production problems during the investigation of two 737 MAX aircraft accidents. A total of 346 people died in them.
The Boeing 777-200 and 777-300 belong to the older generation of machines, which are less efficient than newer models. Most carriers are being phased out of the fleet, Reuters reported. The plane that had an accident on Saturday is 26 years old.
Video: Boeing Air Canada circled the clock over Madrid before running out of fuel
An Air Canada plane circled over Madrid for four and a half hours before it ran out of fuel and could make an emergency landing. | Video: Reuters, twitter / grodira, twitter / CarlosC97620547
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