Tables

STF - Maintenance. Used to save routine.
ST9 - Assets. Used for F3 query.
ST4 - Service. Used for F3 query. Mandatory field.
SH7 - Calendar. Used for F3 query. Mandatory field.
ST5 - Maintenance Tasks. Used to save maintenance task.
STM - Maintenance Facilities. Used to save maintenance facility.
STG - Maintenance Details. Used to save maintenance details.
STH - Maintenance Stages. Used to save maintenance stage.