Just as well that the B747 is a 4 engined aircraft. If it was a twin, with an IFSD rate like that, the powers that be would be considering withdrawal of ETOPS approval.
... or cert for the [again] troubled RR products powering them.
Seems both craft are powered by RB211-524.
Not a good week for Rolls.
Put another way, Smokey, just as well that some 74s are powered by other engines, so the powers that be don't need to consider such measure.