1538 2-2,2538 1-1,2537 2-1,3537 1-1 A/C ~~~~~ #3537 A/C 1 suspect CCU choke,drain freon and vacuum done.Charged freon and test fault not clear (LP=20,HP=180) Disconnect UVW and tagged.#1538-a/c 2-2  compressor fault.Disconnect UVW and tagged.#2538-a/c 1-1 and #2537-a/c 2-1 coolant fault due to low freon.Charged freon and check leak-ok (LP=40,HP=120) Not: 2310066 raise for #3537 a/c 1-1 Not: 2310067 raise for #1538 a/c 2-2 Done by Saini/Haslan/Asruddin. 31/08/21