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介绍了GE90-115B发动机高压涡轮第1级转叶裂纹产生的原因及特点,并结合国航机队运行中的实际故障情况从航线维护检查和车间修理改装两方面对高压涡轮第1级转叶裂纹问题的控制解决措施进行了分析。
The causes and characteristics of the first stage turbine blade of GE90-115B engine were introduced. Combined with the actual fault conditions during the operation of Air China fleet, the first stage turbine blade cracks The control measures of the problem were analyzed.