Customer relations received pax feedback, Rear M1 car was warm. TC reported no aircon fault, TIMS di splayed saloon temperature was 27C at Rear M1 car. MSL staffchecked and informed, no aircon fault found and car was coo  ~~~~~ Customer relations received pax feedback     Check both #1649 a/c2 & #2650 a/c 1 freon low.Checked no sign of leak.Charge freon 45/130 and monitor for 1.5 hr-ok. Done by Omar/Deepan/Hakim. 24/01/20