There seem to be a lot of niggles!! is this aregulatory failure, most of these faults should have been sorted before certification.
"As for the AVC, can't see why that would result in drama - although it plays up, it always tells you!
If the above advertisement for Sikorsky is supposed to impress me......,well it does not.
It is still the noisiest,most vibrating helicopter I flew,and almost nothing has changed in that department over the last 5 years 
RT&B does not impact 4/rev levels. The problem with the 92 is too long a blade, too high an rpm, etc. RT&B does not cause vibration hammers to fatigue off the wall and start pounding their way into the fuel cells."
Gear box
Oil filter