789 will be in service effective from 2 November source from QR Cargo, initial is "789", there are 4 to 5 out of 7 will be expected to be on service in the following cargo only flights:
QR8303/8304 BOM 04:10
QR8850/8851 LHR 14:30
QR8852/8853 CDG 15:10
QR8382/8383 KWI 15:55
QR8374/8375 BOM 18:25
* There may have a last minute equipment change, so don't be surprised if the flights are not 789

According to Expert Flyer, the seat map shows 789 in 1-2-1 Q Suite Configuration with 30 seats in Business and 281 seats in Economy.