On the evening of the 21st, Boeing said that it recommended that airlines ground 777 passenger planes equipped with Pratt & Whitney 4000 engines.
Boeing of the United States suggested that airlines temporarily suspend the Boeing 777 aircraft powered by Pratt & Whitney PW4000.
According to a Russian satellite news agency on the 22nd, Boeing said in a statement on its website: “At present, the National Transportation Safety Board (NTSB) is continuing its investigation, and we recommend that [airways] suspend Boeing equipped with Pratt & Whitney PW4000-112 engines.
Flights of 777 passenger aircraft, including 69 in service and 59 777 aircraft in storage.”
On February 20, local time, a 777-200 commercial passenger plane of United Airlines fell from the plane when it made an emergency landing. The plane then landed safely at Denver International Airport without causing casualties.
It is reported that the passenger plane is equipped with an HP PW4000 engine.
The FAA issued an emergency notice after the incident, requesting an enhanced inspection of Boeing 777 aircraft equipped with Pratt & Whitney PW4000 engines. United Airlines immediately announced the suspension of 24 aircraft of the same type.
In addition, Japan’s Ministry of Land, Infrastructure and Transport also required 13 Japan Airlines (JAL) and 19 All-Nippon Airways (ANA) passenger aircraft equipped with the same series of engines to be grounded on the 21st.
Japan announces the suspension of Boeing 777 passenger planes equipped with PW4000 series engines.
Japan’s Ministry of Land, Infrastructure and Transport announced on the evening of the 21st that Japan’s domestic airliner was required to immediately ground the same series of aircraft as the aircraft involved, affected by the right engine shell of a United Airlines Boeing 777-200 on the 20th. The Boeing 777 passenger plane.
Japan’s Ministry of Land, Infrastructure and Transport issued “stopping instructions” for Boeing 777 aircraft equipped with PW4000 series engines on the evening of the 21st, saying that due to the impact of the incident in the United States, Japan Airlines and All Nippon Airways have been required to temporarily suspend the PW4000 series produced by Pratt & Whitney.
The Boeing 777 passenger plane. At present, Japan Airlines and All Nippon Airways have 13 Boeing 777 passenger planes and 19 Boeing 777 aircraft equipped with the same series of engines, respectively.
Pratt & Whitney is a technology company located in the United States and one of the world’s famous aeroengine suppliers.
According to the Ministry of Land, Infrastructure and Transport of Japan, a major event of engine damage to the same series also occurred in Japan on December 4, 2020, and Japan Airlines and All Nippon Airways have been required to strengthen the inspection of aircraft equipped with the same series of engines.
After the engine damage of United Airlines Boeing, the National Transportation Safety Commission of the United States has launched an investigation, but details, including the cause of the damage, are not clear.
According to previous reports by JBA TV and other media, a JAL Boeing 777 passenger plane had an engine failure in the air on December 4 last year, forcing the pilot to return and land urgently.
No one was injured on board.
Japan’s Ministry of Land, Infrastructure and Transport said that it would continue to collect relevant information and discuss the need for further relevant countermeasures.