AT-77 A340E(Others) AUTOMATIC TRANSMISSION - SECOND BRAKE SECOND BRAKE COMPONENTS AT05Z-05 Piston Sleeve Plate ◆O-Ring Disc Spring Retainer Thrust Washer Second Brake Drum Second Brake Piston Snap Ring Piston Return Spring ◆ Non-reusable part 002961 AT060-05 SECOND BRAKE DISASSEMBLY 1. REMOVE THRUST WASHER FROM SECOND BRAKE DRUM AT8184 2. CHECK SECOND BRAKE PISTON MOVEMENT Make sure the second brake piston moves smoothly when applying and releasing low-pressure compressed air to the second brake drum. AT8439