Passenger feedback to Staff(PYL) air-confault at front M1 car , Staff(TNM)check and no fault found . car cooling . TC check and feedback no air-con fault found. ~~~~~ Checked 1672 AC2 temperature setting at 24deg. Adjusted back to 25deg. Further monitored. No condensation observed. Preventively conducted purging of AC pipe. Checked freon low and high pressure within criteria. Both AC on the car able to cut-in/out and car was cooling. N.A/sharif/fairuz/19.07.22