501/502 Air leak test fail 1.4bar/5mins ~~~~~ 501/502 Air leak test fail 1.4bar/5mins Checked the following location found air leak from: #2502-AS bogie 1 test point leak-replaced ok. #2501-CR and AS bogie 1 test point leak-change out ok. #1501 & #3501-brake frame test point leak-change out. #1501 MPV leak from exhaust port-c/o ok. Air compressor cut in-8.8bar,cut out-10.55bar,CT-2min & 10sec. Air leak test 0.55bar/5min. #1501-MPV:- Old s/n: 09 51 238 New s/n: 10 34 310 Not: 2471608 raise. Done by Sanip/Koh. 17/03/23