Second 'new' 737 now in Australia
Recently registered VH-XZR (ex 9V-MGL), former SQ 737 flew into ASP on Tue 7 Oct.
9V-MGM also seems to have been withdrawn from SQ service with MGN the only 737NG still operating for SQ.
Like XZQ, online CASA registration shows QAL,  noting evanb's comments...