Fatigue cracking caused by the axial misalignment of an area of counter‑boring within the inner diameter of a stub pipe appears to be the cause of an engine failure on a Qantas A380 jet flying from ...

We're not sure why, but most people tend to shy away when talk turns to block sleeves. The rap may go, "Yeah, it runs strong, but there's a sleeve in number 6," and somehow it seems tainted. Is there ...