TCMS VDU showed APS fault at front M2 car. Reset once - ok. ~~~~~ T 408 3723 TCMS VDU showed intermittent APS fault at front M2 car. Fault self-cleared and recurred multiple times. Train routed into BSD without commencing service at AMKMT. Replacement train from BSD  #2723 checked and found A/C 2-1 compressor motor high resistance. Raised notification to HM for CCU C/O: 2581578 Done by: Kumar/Saini/Din/Morgan 45371