TC reported TIMS showed obstacle detected at car 3666 'A2' door. Staff(KTB) checked and confirmed ca r 3666 'A2' door did not open at KTB NB. Staff(KTB) confirme d that car 3666 'A2' door has been isolated in closed. ~~~~~ 3666 TC reported TIMS showed obstacle detected @A2 door. Staff(KTB) confirmed 3666 'A2' door did not open at KTB NB. Staff(KTB) confirmed 3666 'A2' door has been isolated in closed.  3666 A2 door No FC registered. Found 3666 A2 door LHS door leaf jammed. Removed door leaf and found outer roller delaminated. Replaced all 4 rollers on both door leaf. Door function test OK.  Aliff/Daniel 45477