[Terrorista Nada]

gesh... so now engines fail when they are due for a major overhaul? What happened to the built-in 50% to 100% safety margin?

[Tennessee_Bob]

gesh... so now engines fail when they are due for a major overhaul? What happened to the built-in 50% to 100% safety margin?

It's still there. And no, they don't fail based on a maintenance schedule. And in a perfect world, they wouldn't fail at all. Not that it matters, after all, you guys have convinced me that it couldn't have been anything other than terrorist activities.