Originally Posted by
porterhouse
Such aircraft could be retrieved and brought to another airport by company's test pilot. Yes, they can obtain a ferry permit and fly it out on a single engine (sufficiently empty of course). It is up to the airline how they want to handle it. I know United had test pilots for jobs like that - they would fly a crippled airliner sometimes across the globe.
Single engine ferry of an ETOPS twin?
That's a new one on me. Can you cite an example of when this was done?