Snap: 3638 Door A1 & B1  Water dripping ~~~~~ Snap: 3638 Door A1 & B1  Water dripping. CE: 3638 AC Condensation no.1 end.  3638 In depot observed #3638 no.1 end ceiling panel condensation. Set both A/c to 25*C, checked LP/HP within criteria, checked drain pan no ponding or choke. Condensation persisted. Found 3638 A/c 1 unable cut out. Swapped MCU between #3638 A/c 1 & A/c 2, cleaned return air sensor, same fault persisted. OPS 20 raised to check no.1 end ceiling insulation condition.  Lee JC 45167 3638 To remove no.1E ceiling panel to check for insulation condition.  3638 A/c 1 removed ceiling panel and checked evap. blowing outlet & found water residue. No insulation dislodged. Suspect evap. condensation. Raised 

OPS 30 to open #3638 A/c 1 hatch cover to inspect insulation condition around evap unit.  Anand/Sarma/Shafie/Alan/Sugu 45167 3638 To check condensation on evap side

3638 To check condensation on evap side

  #3638 AC1 AHU checked found insulation condition ok, no dislodge

Found drain pan filled with water and sludge, drain pipe choked.

Purged drain pipe using venturi pump and cleaned up area.

Drain pipe able to dispense water smoothly.

Done by: Haslan, Din. 18/9/2023