Use this window to view and update information on the maintenance of a serial. Only the serials that have an operational status of In Operation or Out Of Operation can be viewed in this window.
For a description of each tab in the window, follow the appropriate link: Interval Maint., Last Maint, Next Interval Maint in Structure, Modifications, Modifications in Structure, LLPs in Structure, Post Maint, Total Usage.
Perform 
Due Calculations 
Plan 
Line Maintenance Activities 
Define 
Maintenance Visit
Identify
  Maintenance Opportunity and Scope 
Perform
Due Calculation