Winterbottom drew the ire of the Erebus garage during last Sunday’s Supercars race at Pukekohe when connection with Will Brown led to Brown’s car being badly damaged.
Brown himself was winded by the impact and required medical assistance trackside before being given the all clear.
TV cameras caught Ryan twice making light physical connection with Winterbottom and he urged him from the garage.
Motorsport Australia has confirmed that the incident has been described the stewards who’ll think about what next steps, if any, are needed.
Motorsport Australia can concur that Race Director, James Taylor, has referred the incident which occurred in the Erebus team garage involving members of the team and a competing driver following Race 28 of the Repco Supercars Championship at Pukekohe to the Motorsport Australia stewards,” read a statement from the governing body.
The stewards will think about this matter and make any appropriate determinations in the coming weeks.
The crash has given Erebus a substantial repair job before next month’s Bathurst 1000, particularly given the squad plans on fielding three cars including a wildcard for Greg Murphy and Richie Stanaway.
Ryan made little secret of his disappointment with Winterbottom following a crash with Brown, calling for the veteran’s licence to be suspended as punishment.