Actress Mackenzie Phillips was arrested on suspicion of possession of a controlled substance at Los Angeles International Airport on Wednesday.

The 48-year-old actress is currently being held in police custody at LAX. Cops says she was collared with heroin and cocaine on her person.

Mackenzie gained fame playing Valerie Bertinelli’s big sister on the 1970s sitcom One Day at a Time. She was reportedly fired from the hit show for habitual drug abuse and spent years in and out of rehab facilities.