....one engine was inop,.. The other engine was running...
Not according to this
Equally interesting (to me) is that they lost the first engine shortly after departure yet elected to continue a 4 1/2 hour flight on the remaining one
...The two pilots, both Australian, lost the use of the left hand engine shortly after the Cathay Pacific flight CX780 from Indonesia reached cruising altitude after taking off for the four hour 40 minute flight...