(SNAPREP) CE reported 1556 no:2 end B/S ~~~~~ (S PREP) CE reported 1556 no:2 end B/S     #1556-#2 end B side and #1 end A side gangway light ballast found defective and replaced.All function test ok. Done by Zul/Loong/Soh Y.K. 14/01/20