VH EBC is 16.9 years old
Snoop Doggy Dog
As engined get older, seals do not seal as good as they do when new. It is a well known fact for the seal manufacturers, however Airlines and Aircraft manufacturers, Airbus in this case, tend to kick the bucket down the road.
The engines on wing wouldn't be the originals. They would have been removed and exchanged for overhauled engines by now?