511/512 DT checked found Air leak test f ~~~~~ 511/512 DT checked found Air leak test f     Check and found #3511 AS test point air leak-change out ok.#1511 brake frame test point air leak c/o ok. #2511 AS test point air leak,c/o ok. Air leak test 0.5bar/5min.    Done by Sanip/Deeshan. 27/06/21