Pap,
both my two suitcases went open: one RMK on each one...
Small one was TSA approved, so...nothing happened.
Biggest one has a very functional magnetic look...but NOT TSA approved...so they did forced...destroyed...than taped...but nothing's missing...!
They leave a paper inside telling...it was a "random" control & they can do that by...the law.
My nice Jap, magnetic, yellow, suitcase became unusable after 15 years...so bad!