United Eyes Pratt-Powered 777 Return; Nacelle Fix Delays Persist

By Sean Broderick Sep 09, 2021
The global fleet of 128 Boeing 777s with PW4000s has been grounded since late February following a failure onboard a United 777 near Denver—the third PW4000-powered 777 in-service event in three years linked to a cracked fan blade.
Airlines & Lessors

United Airlines Says PW4000 Inspection Work Progressing

By Sean Broderick Apr 29, 2021
United Airlines said Pratt & Whitney, the FAA and other stakeholders are making progress on getting Pratt PW4000-series engines back in service but declined to say when its affected 777s will return.
Workforce & Training

Metal-Fatigue Signs Link United 777 Fan Blade Failure With 2018 Incident

By Sean Broderick Feb 23, 2021
U.S. NTSB investigators determined metal fatigue is suspected as the reason a fan blade fractured just before an in-fight engine failure suffered by United Airlines Flight 328 on Feb. 20.
Safety, Ops & Regulation

Engine Failure Prompts Immediate Action For Pratt-Powered 777s

By Sean Broderick Feb 22, 2021
Global regulators and operators moved quickly to minimize the risk of another incident involving a Pratt & Whitney-powered Boeing 777, banning them from airspace or voluntarily pulling them from service while the FAA, Boeing, and Pratt develop immediate inspection parameters. 
Safety, Ops & Regulation

Japanese, South Korean Airlines Ground PW4000-Powered 777s

By Adrian Schofield Feb 22, 2021
Japanese and South Korean carriers have suspended operations of Boeing 777s powered by Pratt & Whitney 4000 series engines, although the limited numbers of these flying mean there have been few schedule disruptions.
Safety, Ops & Regulation