Customers are advised that the myLTSA service is expected to be available this Sunday between 6:00am and 11:00pm.System maintenance procedures that are typically scheduled for Sundays may not be required this week. However, this availability could change due to unforeseen circumstances.Further, customers are reminded that the myLTSA service will not be available on Sunday, January 20, 2019.View myLTSA System Availability.