This might help u..
C Thu Feb 20 17:04:14 2014
C Disconnected from 'SID'
C Disconnected: con_hdl=1 ; appl_hdl=19588; appl_id="10.251.220.9.40747.140220154610"
B Disconnected from connection 1, con_da={R/3*DDFTX,1000006}
OCCURED just before the syslog occured.
Please help me understand the reason.
Regards,
uday.