The report states that when No. 2 engine stopped the radalt and the lamp failed soon after. The point between No. 2 engine stopping and radiant failing has probably never been tested and subject to spurious indications.
I have no doubt that an autorotation was attempted, but the mystery still remains why the pilot left both those XFER pumps off even after indications of fuel starvation being imminent.
We just have to accept that we will never know.