An internal defect caused an uncontained engine failure, leading to a fire, during the takeoff roll of a Boeing 767 in October 2016, the NTSB said in its probable-cause hearing on Tuesday. The subsurface defect led to cracking in a turbine disk. The cracks were undetectable using current inspection methods, the investigators found. “Even though there have been significant advances in the safety performance of passenger airplanes over the last few decades, this accident shows there are still improvements that can be made,” said NTSB chairman Robert Sumwalt. Continue reading...
