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Also, this is not the first incident and it it's not the first Airworthiness Directive against the PW-4077.

https://duckduckgo.com/?q=PW-4077+%22airworthiness+directive...

While I understand the point you're trying to make, I'd just like to note that if you type any mature engine for any aircraft into a search engine, you're going to find more than one Airworthiness Directive for that engine

No point really, just interesting that they've had an eye on various metallurgy inspections for a while.

This is at least the third engine--with Trent and GE--so maybe those guys had their share of AD's. Also props to the 777 platform for being modular here and bulletproof in general.

edit. It's obviously a tradeoff of accepting a certain number of (usually) contained survivable fan events vs being able to afford flying them.

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