#565/566 Air leak test fail Found during ~~~~~ #565/566 Air leak test fail Found during     565/566 Air leak test-0.8bar/5min. #3565 found Horn filter pipline air leak-replaced.    Air dryer outlet pipe joint air leak-Tightened. Coupler centering device one way v/v air leak-replaced. #1565-Brake service reservoir pipe joint air leak-Tightened. #3566-Air dryer outlet pipe joint air leak-Tightened.Horn filter pipeline air leak-replaced. After air leak-0.45 bar/5 min Not: 2239494 raise for coupler centering device check v/v. Done by Saini/Haslan/Koh/Haikel  15/01/21