Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,170
QR has to issue the infant ticket. It really shouldn't be that difficult.
However, you cannot force QR to do the infant ticket using QR Avios or AA miles. You will need to pay 10% of the adult cash fare, or whatever QR's policy is.