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NTSB issues urgent recommendation regarding PW2037 engines inspections
17 October 2008

As a result of its ongoing investigation of an incident involving a Pratt & Whitney PW2037 engine experiencing an uncontained failure, the U.S. NTSB issued an urgent recommendation to the Federal Aviation Administration to require all Pratt & Whitney PW2037 engines be removed from service for inspection of the second stage turbine hubs when they have accumulated significantly fewer hours (10,880) and/or cycles (4,392) than the incident engine.
On August 6, 2008, Delta Air Lines flight 624, a Boeing 757-232 equipped with PW2037 engines, experienced an uncontained failure of the right engine