The remaining structure could then have held together for the 12 hour flight to Hong Kong (1 pressure cycle) and then failed on the next flight when the cabin diff built up towards max.
What stage of the climb/cruise did the depressurisation occur?
What alterations to the freight/baggage load were made at Hong Kong?
The image in
http://www.pprune.org/forums/4287721-post69.html is of good resolution and responds well to 'stretching' (load it into 'Paint' and 'Image' 'Resize' for users of M$).
The residue of film-wrap appears visible on the grey 'bag'.