. >> we are currently, as i underestablished it -- understand it, negotiating some changes which would be an improvement. they're in the process of negotiating that with the manufacturer. when that is finalized, as i understand it it's a modification to the outside of the airplane. it has to go to the faa for certification. >> reporter: he sits on the committee that oversees the purchase of those helicopters. now depending on the amount of notification and how quickly the manufacturer can make them, help mentioned that it has to go to faa for final approval. that process can take several weeks or months. so it could be delayed for quite awhile. we'll have more coming up tonight at 6:00. roosevelt leftwich, website whoib whoib -- abc2 news. >>> two men get into it on route three. this leads to a stabbing at the next intersection on gambrills. >> reporter: this is just crazy. switching drivers, led to violence. 23-year-old rolls sudbrook is charged with first degree assault as a passenger riding in a pt cruiser. anne arundel police tell us his car mixed this with with a 44-year-old drive