TC reported obstacles detected at Rear M2 A4 door when train door open, fault self cleared when trai n door closed. Staff (CTH) checked and confirmed Rear M2 A4 door was not fully opened. Train will be stock change at AMK ~~~~~ TC reported obstacles detected at Rear M2 (2680) A4 door when train door open, fault self cleared when train door closed. Staff (CTH) checked and confirmed Rear M2 A4 door was not fully opened. Train will be stock change at AMK. Depot to check 2680 A4 door operation  #2680: A4(RHS) door outer roller damage *FC:* nil  *After door roller replaced:* Push/pull resistant - pass Mating strip - pass Do the normal check and cleaning: Done J rail, Guide rail, check for FOD, any door Rubbing mark: ok Check DLS, DCS, DLD - ok Done by Saini/Haslan 45238