During DT check found 2633 A2 door break ~~~~~ * ,N * 'Checked and confirmed 2633 A2 door circuit breaker tripped. Found DCP unit faulty. Replaced new DCP and function tested failed - 2633 A2 door unable to open. Swapped DCP from 2633 A2 to 2633 B2 - fault remained at 2633 A2 door. Further checks found 2633 A2 door locking device solenoid valve faulty. Swapped door locking device from 2633 B2 door to A2, installed new door locking device onto B2 door. Function tested both A/S and B/S doors ok, open/close door 10x ok, no fault reoccurred. DIR and DMI all synchronise ok. DONE BY:FAIZAL/ZAIDI/RIDZUAN 21.11.2023