Mackenzie Phillips by Lester Cohen/ WireImage.com Mackenzie Phillips by Lester Cohen/ WireImage.com
Mackenzie Phillips has been booked for a felony drug possession charge and remains in police custody, a day after she was

arrested at Los Angeles International Airport, an airport spokesman told TVGuide.com. "She's being held at a Van Nuys county jail and bail has been set at $10,000," Sgt. Jim Holcomb, LAX public information officer, told us. Bail has not been posted yet. Phillips was arrested Tuesday morning for carrying heroin and cocaine through airport security. Though the exact amount of the narcotics has yet to be released, Holcomb said it's "small." "It wasn't a large amount for sale or anything," he said. The actress, 48, has had a long history of drug abuse, having been fired multiple times from her '70s hit

One Day at a Time because of it. - Joyce Eng Update: Mackenzie Phillips has been bailed out of jail. The actress, who is facing serious felony drug charges, was released around 1:00 pm/PT after her $10,000 bail was posted, says ET Online . Valerie Bertinelli, Phillips' co-star on One Day, told ET, "[Mackenzie] is a very good, good, sweet hearted woman who obviously is going through an amazingly difficult time." She continued her support by adding, "she doesn't need our judgment, she just needs our prayers." - Erin Fox