EB applied when train doors opened. MR pressure dropped below 8 bar. Unable to reset EB. TC did plat form duty to disembark pax. MR pressure slowly charged up ab ove 8 bar. TC reset EB ok. ~~~~~ EB applied when train doors opened. MR p L3  Fault able to be duplicated in depot. MR unable to charge beyond 4-5 bars. Prior to day of fault, at car 3654, FC 704 Air Dryer Fault had triggered multiple times and self cleared. No other relevant FC during time/day of fault. ER showed train EB due to LMRG when train arrived at station at 8:11:04AM. TC was unable to set SIR. Passengers had fully disembarked by 8:15:21AM. LMRG was cleared at 8:15:49AM and EB was resetted. Found high air leak rate resulting in MR being slow/unable charge up. 3654 Air dryer was constantly purging air. 3653 Air dryer kept purging whenever it changeover. 3653 compressor safety valve kept blowing. Changed out 3653 and 3654 Air dryers. Changed out 3653 air compressor safety valve. Air compressor checked ok. Checked the train for air leaks, including the MPVs, air bags, brake frames, thread brake and parking brake units - When transiting from coast to B1, found 1653 B3 and A4 service brakes purging air for a longer period of time than normal (Side finding) Notification raised to HM to change out the service brakes: 2559539. Done by: Saini, Asruddin, Haslan, Zulqarnain (10/01/24)