1610 REPORTED BRAKE FAULT. ~~~~~ 1610 REPORTED BRAKE FAULT.  1610 ER D/L - Done. Found 1610 having residual pressure during at COAST. Replaced 1610 ACU. Brake pressure test/status check - OK. 1610 ACU S/N : OLD : 1434-020 NEW : 1509-084  Chan GF/Alcus/Alan 43950