Given that the Apache design and operating philosophy is based largely on 'survivability' what are the odds against the same component in each engine failing in the same way at the same time and causing each engines to fail at the same time - rather high I suspect. Wasn't 'totally independent engines and associated systems' part of this 'survivability' philosophy?
Nobody bothered with the Anti-Ice thingy - Maybe because there is no ice in Singapore ???

I may tell you but I may also not tell you that most of the Apaches of RSAF are somewhere .. cold