Thanks! The booking is something like HKG LHR ORD SFO JFK LHR DEL and is issued on AA.

HKG LHR is BA metal, BA flight number. The other three long hauls are BA metal with AA flight numbers.

The AA Sabre reference has all flights correctly shown and the booking is ticketed.

There is a valid Amadeus reference (say ref. X) with the ticket number showing, but it only shows the HKG LHR ORD segments, although with correct flight numbers including the codeshare on LHR ORD. It does not show any of the other segments (including the return longhauls on BA metal...)!!

And now in MMB I also see a second Amadeus ref (say ref. Y) which does not have any ticket number but shows HKG LHR and JFK LHR DEL. However it shows JFK LHR DEL on the BA flight number as opposed to the correct AA code share.

And that has made me thoroughly

I thought Ref. X with the ticket number should show all BA flights. And Ref. Y, which has no ticket number, should not exist at all...

Has anyone ever had two Amadeus ref for one AA Sabre ticket?