Staff (SBW) feedback the external lightfor door open indication not lighted at Rear M1 and Rear M2 cars. ~~~~~ 3553 A/s, 1553 B/s & 2553 B/s Staff (SBW) feedback the external light for door open indication not lighted. 1553,2553 B’ side, 3553 A’side  exterior door indicator lights not working .  3553 A/s, 1553 B/s & 2553 B/s external side lamps replaced. Security & function test - OK.  Redzwan/Ridzuwan/Ridzuan 43972