It's acceptable even if it doesn't meet spec.

This from Mary Barra, new GM CEO to a Congressional committee investigating the GM ignition switch failures.
  In all my career in engineering, I never heard anyone ever say anything like that.  The rule anywhere I ever worked was simple, if it doesn't meet spec, back it goes and we don't pay for it.  That's what incoming inspection is about.
  To hear the CEO of GM, a long time engineer there, say that GM would accept parts that don't meet spec means that GM doesn't believe in written quality standards.  Apparently GM will ship anything, whether it is any good or not.
   Talk about a dysfunctional corporate culture.
   Mulally at Ford would never say anything like that. 
   My next car won't be from GM.