PM TRAIN CHECK FOUND LOUD AIR LEAK ON AD ~~~~~ PM TRAIN CHECK FOUND LOUD AIR LEAK ON ADAPTOR HOSE WHEEL FLANGE LUBRICATOR CAR 3538.TO PREPLACED ADAPTOR.     Replaced #3538-A/S Wheel flange lubricator air hose adaptor.Function test wheel flange magnet v/v ok. Done by Zulq/Din. 17/07/20