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NTSB Chairman Robert Sumwalt Retires
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NTSB Report Cites Failure Of See and Avoid In Alaska Midair
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Aerospace giant was said to be working with the FAA to strengthen the covers
Investigators have attributed Saturday s incident in Denver to a fan blade that broke off due to metal fatigue and apparently breached the engine cover
The planemaker and the FAA had been discussing potential fixes for about two years, following an earlier incident in 2018, according to the Wall Street Journal
On Tuesday night, the FAA ordered inspections of all Pratt & Whitney engines
Although immediate attention has focused on the engine s manufacturer, Pratt & Whitney, Reuters has reported that its casing is manufactured by Boeing
Both Boeing and the FAA avoided discussing specifics on the efforts to modify the 777; such changes typically require significant evaluation and testing
Damage to United Boeing 777 engine consistent with metal fatigue: NTSB By David Shepardson and Jamie Freed
United Airlines flight UA328 returns to Denver International Airport with its starboard engine on fire after it called a Mayday alert
WASHINGTON (Reuters) – Damage to a fan blade on an engine that failed on a United Airlines Boeing 777 flight is consistent with metal fatigue, based on a preliminary assessment, the chairman of the U.S. air accident investigator said on Monday.
The Pratt & Whitney PW4000 engine failed on Saturday with a “loud bang” four minutes after takeoff from Denver, National Transportation Safety Board (NTSB) Chairman Robert Sumwalt told reporters following an initial analysis of the flight data recorder and cockpit voice recorder.
BW Businessworld
Damage To United Boeing 777 Engine Consistent With Metal Fatigue: NTSB
The engine that failed on the 26-year-old Boeing Co 777 and shed parts over a Denver suburb was a PW4000 used on 128 planes, or less than 10% of the global fleet of more than 1,600 delivered 777 widebody jets.
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Damage to a fan blade on an engine that failed on a United Airlines Boeing 777 flight is consistent with metal fatigue, based on a preliminary assessment, the chairman of the U.S. air accident investigator said on Monday.
The Pratt & Whitney PW4000 engine failed on Saturday with a loud bang four minutes after takeoff from Denver, National Transportation Safety Board (NTSB) Chairman Robert Sumwalt told reporters following an initial analysis of the flight data recorder and cockpit voice recorder.
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