Did you end up getting a hold of the QF operating PNR? Does that PNR have the ability to use Q-eat?
Yes, thank you for your help. I tried both PNRs: neither worked. I have since learned that this is a QF decision (so nothing to do with BA).
To my mind there is a difference between a 'Qantas operated flight' and a 'Qantas flight number' but some may be both "Qantas operated' and "Qantas flight number'. Qantas should be accurtate in the information they provide which is not the case.
BA actually offer pax the ability to pre-select meals on thier longhaul flights.
Next time I'll codeshare on CX, have shorter transfer times, enjoy the CX HKG first lounge en route, and avoid DXB (the major reason for me not flying QF to the UK).