TC reoprted air-con fault at Front M2, Staff (TNM) checked and confirmed Front M2 set #01 air-con fa ult. Reset ok. Car was cooling ~~~~~ FOUND NO FAULT AT #2532 AC1 BUT FREON LP/HP FOR AC1-1, AC1-2, AC2-1 & AC2-2 NOT WITHIN CRITERIA. CHARGED FREON TO CRITERIA & MONITORED PRESSURE FOR 1HR, OK. NO SIGN OF LEAK AT BOTH CCU & EVAPORATOR UNIT. TO BE MONITORED DURING MAIN LINE SERVICE.AKHBAR/GANESAN,07/09/20