A little earlier in 1986 there was this attack, also by ANO :
APRIL 2, 1986 : (GREECE : PALESTINIAN GROUP ANO BOMBING OF US CIVILIAN AIRLINER) A bomb explodes aboard a TWA Boeing 727 as the plane approaches Athens airport. Four passengers killed. - “Chronology of Attacks by Abu Nidal’s Group,” Lebanonwire.com, August 19, 2002
So sad.
Thanks for adding that incident on, Piasa.