Train doors at car 3615 B2 were not proven closed. TC recycled train doors a few times but to no ava il. DIRBS was operated for train to proceed in ATPM mode bac k to UPD. ~~~~~ 3615 A2 Train doors were not proven closed. TC recycled train doors a few times but to no avail. DIRBS was operated for train to proceed in ATPM mode back to UPD.  (L3) L3 3615 A2 door FC CLE door slow in closing/opening. Found #3615 A2 RHS Door outer rollerdelaminated - replaced. Security/function check - OK. Weather strip condition checked - OK. No FOD was found. DLS & DLD positively latched. Side Finding : DLD solenoid found intermittently unable to energise to open door. FC intial operation error. Measured solenoid incoming supply - OK. Checked CN7 - CN16 connectors - OK. Replaced DLD & DCP, fault persisted.    Postulate door encoder faulty. Replaced door operator. Door cyclic test - Satis. Solenoid able to energise to open door.  Lee JC 45125