TIMS showed car 3645 'A1' train doors not proven closed. TC opened and closed train doors once to cl ear fault. Staff (TWR) checked and confirmed no abnormalitie s. ~~~~~ Checked & Cleaned J end guide rails, No FOD found. Mating strip gap check-Ok. DLS & DCS checked-Ok. Carried out door cyclic check 20 X-Ok. Door opening & Closing timing checjk-Ok. DIR & DMI checked-Ok.   Bassant. 27.06.2022.