Snap: 1502 Water leaking form ceiling ~~~~~ * ,N * Checked and confirmed 1502 #2end return grill no signs of water dripping. Faut unable to duplicate. Checked both aircon units in 1502 operational and are able to cut in/out accordingly. Monitored but no signs of water dripping. Carried out 1502 AC#2 purging of drain pipe, no signs of chokage and no signs of water observed in drain pan. Suspect water from rooftop seeped through Aircon hatch cover, observed signs of water on insulation. Removed and reinstate with new insulation around the hatch cover and ensure secured. Conduct water leak test, no water observe seeping through hatch cover. DONE BY:LAI/TALIB 07.09.2023