As the handling pilot involved, I'm clearly well placed to comment. On the other hand, as an employee of the operator, and with the investigation now in progress, it would be innapropriate. However, I'd like to correct some of the comments made above.
it lost all it's oil
Not true (some minor loss)
if they had clearance to enter Malaysian airspace!!
Clearly we did: we were on a flight planned route
Sikorsky team have arrived to fix
No, they have arrived to assist with the investigation: we're quite capable of fixing things ourselves, thanks.
precautionary landing onshore during local flight
Not very local. Precautionary is a term used for the lay public. RFM prescribes 'Land Immediately' with the symptoms present.