...and having outsourced your engines and fired the Qantas engine experts, Qf's only avenue of action is: "RR what do you want us to do?
This usually lasts about five years until you realise that being lobotomised by your outsourcer is not a profitable idea. How many QF engine experts have been hired by RR? I'll bet more than one.
One then begins the painful process of reacquiring the knowledge to understand what is happening to your engines, so as to be able to ask sensible questions of your service provider. let alone asking sensible questions of potential new engine providers.
After that you begin the process of taking the maintenance back in house.
Been there, done that.