Staff(TAP) reported air-con water leaking at front M2 car near A4 door. Staff(TAP) arranged cleaner to clean up, but water was still dripping from the air con. ~~~~~ 2633 Staff(TAP) reported air-con water leaking at front near A4 door. Staff(TAP) arranged cleaner to clean up, but water was still dripping from the air con.  2633 A/c 2 replaced A/c filter & checked/cleared all visible evaporator drainage holes - Done. Purged A/B side drainage pipes. Checked air discharge can be felt from whole length of A/c diffuser. Monitor & no condensation found. Saloon temp. 24'C.  Chan SW/Hanafi 44085