Train doors at car 3651 were not provenclosed. TC recycled train doors once - ok.Fault did not re cur at subsequent stations. ~~~~~ 1)CHECKED HISTORY DCP SWAPPED-NO.2)CHECKED FAULT CODE-NO.3)FOD FOUND-NO.4)WEATHER STRIP AND ROLLER OK.5)CLEAN J AND GUIDE RAILS -YES.6) PUSH PULL DOORS SMOOTH NO WOBBLE-YES.7)DOOR CYCLIC TEST 20X -YES.8)DOOR LOCK SWITCH RED LINE FLASH WITH SURFACE FOR POSITION LATCHING-YES.CHECKED ALL DOORS OF CAR 3651 NO ABNORMALITIES.CARRIED OUT DOOR CYCLIC 20X OK.DIR ABLE TO EXTINGUISH.BASSANT 11.10.2022