Converter Local fault. TC reset fault -ok. Converter Local fault. TC reset fault ok. ~~~~~ 3553 Converter Local fault. TC reset fault - ok. CE: 3553 no Recurrence Of converter fault. After CE checked, TC reported intermittent APS fault at 3553.  3553 FC 408/414 registered. APD lit when A/C 2 cuts in. Found 3553 A/C 2-1 shorted to G. Isolate wire U/V/W. Notification 2550500 raised for CCu C/O. Au TK 45271