WS-15 techical bottleneck finally overcome?

[avenue]

mil.news.sina.com.cn/jssd/2018-06-30/doc-ihespqrx2980798.shtml
unless there's is an official confirmation.it will never known if the problem finally overcome.

[Figaro]

Jun 30, 2018 1:19:18 GMT -5 avenue said:

mil.news.sina.com.cn/jssd/2018-06-30/doc-ihespqrx2980798.shtml
unless there's is an official confirmation.it will never known if the problem finally overcome.

Unless there's an official confirmation. It will never known if the problem even exists. 

[avenue]

modern jet engine require highly complex design and manufacture process.not to mention quality control,just last month p and W commercial engine suffer from shatter fan blade,it is likely WS-15 may have suffer similiar problem.