Pratt & Whitney engine
Boeing Co., Ltd.
According to a Tuesday emergency order issued by the Federal Aviation Administration, 777 jets need to be inspected before these planes fly again.
Pratt & Whitney Engine Wide body 777
United Airlines Holdings Co., Ltd.
The aircraft broke During a weekend flight near Denver, Spray debris on the residential area below and force the plane back to the airport. No one was injured.
Airlines around the world operating planes with this engine type have already grounded the affected jets.United, the only U.S. airline affected, voluntarily used 24 Boeing 777s with Pratt & Whitney engines. Out of service— A move that said it would affect freight transport next month as it is preparing to replace parked planes to carry passengers.
United is storing additional affected jets, and the airline announced on Tuesday that it will comply with FAA’s orders to ensure that all aircraft in its fleet meet strict safety standards.
On Monday, US safety investigators said they found evidence of “damage consistent with metal fatigue” in one of the engine’s fan blades, which was largely stripped. According to Robert Samwalt, chairman of the National Transportation Safety Board, the loose blade apparently then sheared some of the damaged second blades.
The FAA’s order, described as an interim measure, means that it will take some time before airplanes with these engines can fly again. Boeing-recommended airlines have grounded them, and Japanese regulators have ordered them to stop their flights.
All 777 jets were grounded with a Pratt & Whitney-powered engine.
Authorities in other countries typically issue orders under the directives of the country that certifies the aircraft or parts, in this case the United States.
The FAA said it would review the results of thermoacoustic imaging tests that could detect cracks in the inner surface of the fan blades that could not be seen otherwise. These results determine how often such tests need to be performed in the future.
The weekend incident has been followed in recent years by two similar engine failures involving the same type of engine on the same type of aircraft.
The FAA had previously mandated regular inspections of the fan blades of this engine after a similar incident at United Airlines in 2018.
The FAA was already considering whether to enhance the inspection of Pratt & Whitney’s engines.
Japan Airlines Co., Ltd.
December flight. The Japan Transport Safety Board said the fan blades, which had been weakening over time, broke. Japan Airlines said it would inspect and replace these blades more frequently than previously required by the FAA’s inspection system.
Pratt & Whitney said in a statement that the engine would be shipped to one of the facilities for inspection in order to comply with the FAA’s actions, affecting about 125 Boeing 777s. .. Boeing said in a statement that it supported the FAA’s guidance on inspection requirements.
— Doug Cameron and Eun-Young Jeong contributed to this article.
Write to Alison sydor email@example.com
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FAA orders new inspection of Boeing 777 jet with Pratt & Whitney engine
Source link FAA orders new inspection of Boeing 777 jet with Pratt & Whitney engine