TC reported air-con fault. Unable to reset. Staff (KTB) checked and feedback car 3537, #1 air- con f aulty. Reset-ok. Car was cooling. ~~~~~ 3537 TC reported air-con fault Unable to reset. Staff (KTB) feedback 3537, A/C 1faulty. Reset - ok. Car was cooling.  3537 FC518 (AC1-1 HLPS) & FC519 (AC1-1 HLPS). AC 1-1 LP/HP : 10/60psi. Purge and vacuum, able to hold - 30psi. Topped up freon (7kg), LP/HP : 40/115psi. AC 1-2 LP/HP : 5/40psi. Purge and vacuum, able to hold - 30psi. Topped up freon(6.8kg), LP/HP: 40/115psi. Both AC cut in/out ok.  Sarma/Alan/Lee PT    45325