Hi lookleft, thanks for the reply. Fair point. That why we are Captains. We sometimes make decision based on knowledge, and sometimes it is just experience and skill. Not all are in FCOM as you know, and the circumstance would always dictate as you say.
If the engine doesn't shutdown you will still need engineering to attend because the HP valve is stuck open/and or ENG MASTER S/W is Unservicable. One is not going anywhere