I just noticed this phrase on another article about this possible EAD for engine blade check and realized that the airlines must keep track of cycles for each blade!
“The industry took no major issue with the 2017 proposal, though some airlines requested longer compliance times. They said the rule would affect more than 220 engines because airlines often swap blades between engines.“
I assume this is done to better balance the disk?
Also, what are the statistics on blades that have been found to have a discovered failure during a check? How many cycles did they have on them?
And finally, CFM and/or Boeing better get busy on some sort of analysis (simulation) on how these blade fragments go forward of the "containment ring".
Last edited by whitav8r; 20th Apr 2018 at 12:40.