SnapRep reported 1539 water dripping. ~~~~~ SnapRep reported 1539 water dripping.     Check and found A/C 1 no cut off and cause condensation. Swap MCU black box s/n: 841258 to #3539 a/c 1 s/n: 841256 but remain same.Time temp adjusted to 24degC still reman same. Ops 20 further check thermistor.Evaporator check ok,no icing and freon level ok.Drain pipe purging done. Done by Sanip/Rizman/Koh. 17/04/23 to further check on #1539 Ac1 Thermistor Cleaned #1539-#2 thermistor and fault #1539 #1 did not cut out due to #2 a/c slightly warm causing #1539-#1 a/c to be colder.Checked #1 ducting found insulation slightly dislodged. Removed #1539-#1 ceiling panel and reinstate insulation.To further monitor for condensation in M/L service. Done by Kenneth/Luke/Ashwin/Zulq.  17/04/23