Pratt’s A320neo GTF Fix Uses Old Knife-Edge Seal Configuration

Credit: Airbus
Pratt & Whitney is reverting to a previous configuration of its PW1100G geared turbofan (GTF) engine’s high pressure compressor (HPC) aft hub knife-edge seal to get its production line moving again and fix in-service engines affected by issues with the modified design. Pratt on Feb. 21 issued a...
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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