Engine Failures Spotlight Inspection, Certification Issues

Sean Broderick Guy Norris March 04, 2021
United Flight 328 aircraft with cracked fan blade
A cracked fan blade is being eyed as the cause in three PW4000-powered 777 engine failures, including United Flight 328 on Feb. 20.
Credit: Hayden Smith
The Feb. 20 inflight failure of a Pratt & Whitney PW4077 engine on a United Airlines Boeing 777-222 involving a cracked fan blade—the second incident in 10 weeks and third in three years—raises two primary concerns for global safety regulators. Engine failures spotlight Inspection and certification...
Sean Broderick

Senior Air Transport & Safety Editor Sean Broderick covers aviation safety, MRO, and the airline business from Aviation Week Network's Washington, D.C. office.

Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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