1534- DURING 3 WEEKLY B4 DOOR OPEN/CLOSE ~~~~~ To follow up.  1534 B4 door found L/H/S door leaf roller worn-out. Replaced the door roller & door cyclic test - OK. Door resistance check within criteria.  Alan/Lee PT/Shafie 44378 1534 - DURING 3 WEEKLY B4 DOOR OPEN/CLOSE FOUND NOISY.  1534 B4 door actuator replaced. Function check door operation & noise still persisted. OPS 20 raised to follow-up.  Sarma/Anand/Kiran 44377