The phrase "busted down" is correct and usable in written English.
It is a slang term that means to reduce, decrease, or break down something. For example, "My boss busted down my hours from 40 to 25 per week."
Why hasn't Rasmus been busted down to traffic duty given his hopelessness at detective work?
Always deferential, Hirsch described himself as "a busted down, retreaded halfback who happened to get lucky".
He was visited at that period by numbers of busted down adquaintances, some of the connected with newspapers.
The Bears needed only three plays before Malan busted down the left sideline for a 45-yard touchdown run.
In the course of Sunday's episode Morse develops one of his patented hopeless crushes on a suspect, and it gets him busted down from bagman to general duty.
Isn't this more likely than ever now that Jackie Sharp will be busted down from majority whip to a minority whip?
Once in Dallas, Amberson has years to get to know Oswald, but he can't just bust down the door.
When Jill Mintsiveris, stewardship director at Grace Church in Erie, Pa., organized a budget course, she said she expected "that people would be busting down the door to get help".
This is why you can host a Super Bowl party in your living room without paying an additional fee to whichever network is broadcasting it, or worrying that a lawyer in a power suit will bust down your front door.
Say things like "We've got to be careful" and "The eagle has landed" into your phone and wait for federal agents to bust down your door and take your entire stash.
"You guys are busting down doors in Palo Alto while Commandant Gates is ridding the world of mosquitoes.
