GAS TURBINE BLADE OUTER AIR SEAL WITH FACE SEAL

A blade outer air seal (64) includes a carrier (70), a ceramic seal segment (68), and a face seal (80). The ceramic seal segment (68) is supported on the carrier (70) and has first and second axial ends (68a, 68b), first and second circumferential sides (68c, 68d), an inner side (68e), and an outer side (68f). The face seal (80) is carried on the ceramic seal segment (68) at the first axial end (68a). The face seal (80) has a radial seal wall (82) and a tongue (84) that extends axially from the radial seal wall (82).