Pax feedback to staff (DBG) air-con condensate. Staff (MSP)confirmed Rear M2 car water spill. ~~~~~ 2507 Pax feedback to staff (DBG) air-con condensate. Staff (MSP) confirmed 2507 with water spill.  2507 Checked no condensation. Checked both aircon evap units. Found A/C 1 evap drain pan choked. Perform drain pipe purging. Changeout both aircon filter as preventive measures. Checked saloon temperature with PTU s/w - ok. Monitored for 2 hrs, cut in / out ok. No condensation. Drain pipe ok, water able to drip out.  Kumar/Au TK 45220