ach DC-884 Display Controller (from P/N 7007540-932 to -942), 2 each FC-880 Fault Warning Computer (from P/N 7007484-904 to -905). As instructed on Engineering Order Cl of Gultstream Aerospace-oCag SC41 129002-01, the TCAS computer has been removed from its mounting rack nd the circuit breaker has been pulled and lock