During post air dryer pneumatic health c ~~~~~ During post air dryer pneumatic health c     Replace Air Compressor at #3509.Security check ok.Function test ok.Air dryer 2 min purge.Charging time 4min 18sec. Cut in=8.53,Cut out=10.3 bar.Air leak test=0.75 bar. Air Compressor #3509- New s/n: 120F-1010 Old s/n: 120F-3465 Not: 2341563 raise to RSW. Done by Zulq/Saini/Asruddin. 18/12/21 To improve air leak and redo 3509 compressor charging time test Further check #3509 CR pipe line 3 join along to MR tank was air leaking ,tighten ok.Replace 3 test point at #3509,#2509,#3510 and conduct Air comp CT=3min,Cut in=8.56bar,Cut out=10.3bar Air leak test=0.5bar/5min. Done by Sanip/Koh. 20/12/21