Widespread Engine Attachment Fitting Cracks Halt 777-9 Flying

Guy Norris Sean Broderick August 29, 2024

Boeing test fleet member WH004 — Boeing has inspected and apparently removed the thrust links on WH004, a member of the test fleet that last flew in November 2021.

Credit: Matt Cawby

Cracks in engine attachment components that have stalled Boeing’s 777-9 certification program were found in a fourth test aircraft that has not flown in nearly three years, Aviation Week has learned. The latest discovery, on WH004, is expected to help narrow down Boeing’s investigation into the...

Guy Norris

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

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.

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