Pax feedback to station staff(TIB) traindoors at Rear DT car "B3" door did not open. Staff(TPG) che cked and confirmed door did not open. Staff assisted to isol ate train doors in closed position at CTH EB. ~~~~~ * ,N *

Found 3619 B3 door isolated.
Found LHS, RHS main roller delaminated.
Replaced door rollers and function test ok.

DONE BY:KUMAR/ DHIRAH 29.09.2023