There is some absolute crap being posted here.
Until we know the facts then quite frankly, there is nothing to discuss.
The only facts we know for certain and not " a friend of a friend of a mate down the pub told me" are,
1. A/C suffered an engine problem/failure
2. Crew made a decision to land at LCA
3. Crew landed the aircraft safely and no one was hurt.
Anything else is just second guessing. And yes, it may be a "rumour website" but please have some consideration for the crew involved who will now surely be going over every minute detail of every action they carried out to prepare themselves for the forthcoming enquiry.
If I were i their position I would hate to reading some of the absolute crap (Yamaha in particular) posted on here.
Lets wait for the FACTS.