mkdar,
1: I thought that any 4 engine A/C can continue to destination “fuel wise “ by design .
The 340-300 burns about 10% more (in total) than 4 eng when down to 3. No company will carry the extra fuel for a "just in case" engine fail scenario.
2 : I remember “vaguely “ there was a recommendation by Air Bus not to fly a 340 for instance on 3 engines more than 7 hours due to lubrication issues if the engine did not seize .
If my memory serves me correctly, it used to be about 3 hours, later extended to about 7.
Back to the thread.....
Why did it "fail"?