I was reading the FCTM, and Boeing doesn't seem to make too much a of distinction between an engine fire+failure and a plain engine fire.
The back of the FCTM (Section 8?) contains the management guide and provides such recommendations. Also the QRH non-normal section of the checklist instructions should provide some ammo too.
Company standards. Or so I'm told. I tried to find them, but the majority of the documents are not in English - if you can find them.
Very odd SOP. Anyway, I always assumed that anything of that nature must be on the flight deck.