Train doors at rear M2 car 'B3' door were not proven closed with obstacle detected on TIMS. TC recyc led train doors few times - ok. Staff(DBG) monitored and fee dback train doors at rear M2 'B3' door did not open when tra ~~~~~ Check Tims observed FC9736 saloon door B3close operation timesout.CLS& FC 976 (saloon door B3-DOM)occurred multiple times.Check fault trace door gap was 0mm.Check door mating strip gap ok.DCS rigging satis.Push/pull test 5.5kg ok.Further check using PTU softwear observed overload protection status active.Check DLD found rubber cushion dislodged.Replaced DLD door function test ok.Motor current ok & no more overloaded protection status.Performed door cyclic test ok,door able static test timing all within criteria.
Done by Arthur Sam. 31/03/22