(Portland, OR) -- A Gresham man who's accused of groping a 13-year-old girl aboard a flight bound for Portland is being ordered to undergo a drug-and-alcohol evaluation. Otherwise, 26-year-old Chad Cameron Camp will remain in custody until his arraignment on July 15th. Authorities say Camp molested the teen on an American Airlines flight from Dallas to Portland on June 15th. Camp was arrested after the plane arrived at PDX.