TC reported air-con fault at Rear M2 Set#2. Unable to reset. Staff (WDL) checked and confirmed that Rear M2 #2 set air-con faulty. Reset-ok. Car was cooling. ~~~~~ CE: 2509 A/C 2 short cycling. Temp 26.4'C.  2509 A/c 2-1 freon pressure LP = 15 psi, HP = 75 psi. Vacuum & charged 7kg of freon (LP = 35 psi, HP = 110 psi). Use soap solution to check for freon leak - OK. Function test cut in/out operation - OK. Pressure maintained. Temp able to achieve 24'C - 25'C.  Sarma. 09/11/2020.