It means he will get the third degree from any and all of his associates, will have to perform a Firearms Safety Course both written and in action, and then he will probably be on probation.Hopefully he will find a better retention pouch for his spares as well.
Mistakes happen, personally I think its not a big issue except that it was on a plane.
It sounds like a wannabe cop who really shouldn’t be a cop. This is the problem today across the nation.