TC reported that front DT, A1 door did not open at GLC, PNR , JUR and CLE, SM BNV reported A! door d id not open at RDH. SM BNV isolated door at TIB. ~~~~~ * ,N * 'Checked TIMS - FC22  door open timeout occurred 5 times. Fault could be duplicated in depot. 3632 A1 door unable to open. Manually moved door leaf - LHS having high resistance and wobbled when moved. Checked LHS door leaf roller - found 1 roller delaminated.    Replaced roller and cleaned J-rail.  Restored door leaf and function tested ok. No fault recurrence. DONE BY: LAI/ALI  15.08.2023