In the scene, a REPACK is issued when the original release had a technical flaw. For the Rigor Mortis 1080p BluRay, the first Ganool release allegedly had:
If you are looking at a file with the string "BluRay 1080p 5.1ch x264 Ganool Repack," here is what you are actually getting: rigor+mortis+2013+bluray+1080p+51ch+x264+ganool+repack