Pratt & Whitney Engine Issue Not New, Too Late For IndiGo To Recall 3,000 Engines: Martin Consulting 

The current major problem is NOT the GTF gear box rather linked to a contaminated metal powder supplier which also affects other jet engine manufacturers.

Airbus is at fault too. Did they not test these engines sufficiently before strapping them on to their planes?

But engine still running smooth and sound, that's aliens imagination because the engine is high tech.and no other has the technology.