Maybe SpannersatCX can answer this one.
Are CX planning on upping MAN flights already? Was having a browse through GDS to see how the flight was selling, and noticed that Friday and Sunday from April 2015 had direct flights against them, but when clicking on the flight numbers to investigate, both just came up with an error message.
The other 4 flights were loading up and viewable, and the LHR codeshares were also present.