Snap:Aircon leaking at B4 of 3712. Train ~~~~~ Snap:Aircon leaking at B4 of 3712. Train        Found no condensation at #3712-B4 during monitoring.Ajust temperature setting for #3712-a/c 2 from 24degC to 25degC. To be further monitor on M/L. Checked by Low K.H. 31/01/23