Transport i lotnictwo · 19/09/1997

CFM International Proposes New Airworthiness Directive for CFM56-5B/2P Series Engines

CFM International is proposing a new airworthiness directive to reduce the retirement life of certain low-pressure turbine cases in its CFM56-5B/2P series turbofan engines, following a refined life analysis that showed calculated LCF lives were significantly lower than previously published values.