A Boeing engineer said on Monday that extensive testing had shown “zero” evidence of fatigue stress in the composite materials that make up its 787 jet, two days before a whistleblower is due to testify to the US Congress about what he has described as “catastrophic safety risks” in its manufacturing.
波音公司(Boeing)一名工程师周一表示，大量测试表明，构成波音787客机的复合材料存在疲劳应力的证据“为零”。而两天后，一名举报人将向美国国会作证，揭露波音787飞机的制造存在他所称的“灾难性安全风险”。
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