-- An American Airlines flight attendant who told authorities she found a note saying there was a bomb in a jet's cargo hold was charged Friday with writing the letter and causing the plane to be diverted.

Gay Wilson, 37, of Arlington, Tex., was charged with unlawful interference with an airline, a federal charge that carries up to a 20-year prison sentence, said Doug Riggin of the FBI Joint Terrorism Task Force.

The jet, flying Thursday from Dallas-Fort Worth to Boston, was diverted to Nashville after Wilson said she found the note in one of the plane's lavatories.

The note read, "There is a bomb onboard this flt to Boston in cargo. Live Saddaam!" according to Nashville television station WSMV.

"She was one of the people we interviewed, and our investigation revealed that she was indeed the person responsible for the note," Riggin said.

Riggin declined to discuss the motive for the bomb threat, citing upcoming legal proceedings.

Wilson was arrested in Dallas and was scheduled for a court hearing Tuesday, Riggin said.

The 129 passengers were taken off the plane and were rescreened by the Transportation Security Administration and the FBI. Investigators examined a package taken from the plane that turned out to be harmless.