Originally Posted by
Goldenrivett
You are correct. DSC 70-41 Fuel System shows an oil cooing diagram with IDG cooling taking place before that warmed fuel goes to the engine oil cooler heat exchanger. See
Oil cooling
That makes a lot of sense.
However what doenst make sense here is that, in QRH for IDG oil temp >147 advisory, instructions are only to shed electrics. FF is nowhere here, but it should as a last resort? Or I guess engine oil would heat last, so you address IDG issues first with electrics.