1647 A/C 1 evap c/o ~~~~~ 1647 A/C 1 evap c/o     Check by RSW and report #1647 a/c 1-1 AHU choked.AHU replace and function test cut in/out ok and cooling ok. AHU-Old s/n: 535104  New s/n: 331245 Not: 2228688 Done by Sanip/Koh. 12/12/20