Some addititional info on SIA TRENT 972 oil leaks.
Interesting to note the statement:-
"The issue that caused the leaks was identified and corrected"
Which would appear to rule out vibration, although no further information is given.
"Which would appear to rule out vibration"
Not necessarily
First off, I don't see any link with these latest
external leaks to the reported factors in the original thread subject.
internal oil leak
However vibration is everywheree in the operating environment of a jet engine. Since this is recognized by the designer the response is to stiffen and/or dampen the responding bodies to ensure that no metal to metal rubbing takes place and/or that vibratory nodes do not exceed acceptable stress levels..
For external parts the most susceptible parts are plumbing which necessarily stands off from its mounting points around the engine casing and snakes back and forth under and over other pumbing or wiring harnesses. The initial development testing purposely excites the whole engine carcass and looks for problem areas in this regard and then provides brackets and fixings to address any issues.
What often happens later is that something gets changed like a new pipe design added or even a new accesory is added by the installer thus setting up a new set of end conditions. Of course it has been known that even maintenace actions on an engine have removed and failed to re-install the specified brackets versus the latest Service bulletin change spec.
Lots of engines have gone through this teething problem and the outcome has been mostly minor in nature but a pain to track down and universally fix.
not saying ths was the case here, but let's keep an open mind unless you have the hard facts of cause-effect-corrective action.