Comparing the revisions of the maintenance program

This page enables you to compare the various revisions of a maintenance program. Tell me more

Select the “Compare Program Revisions” link in the “View Revision History” page.

The “Compare Program Revisions” page appears.

The system displays the following field:

Date Format

The format in which the date fields are displayed in this page. This format is displayed from the "User Preferences" business component based on the login user ID. In case the format is not defined, the system displays the date format from the "Enterprise Modeling" business component by default.

The system displays the following fields in the “Maintenance Program Details” group box:

Maintenance Program #	The maintenance program for which the revisions must be compared.
Revision #	The revision number of the program to be compared.
Program Desc	The description of the maintenance program.
	Zoom facility available.
Status	The status of the specific revision of the maintenance program.

Enter the following field in the “Maintenance Program Details” group box:

Compare with Rev #

Use the drop-down list box to select the specific revision number of the program to which the selected maintenance program revision must be compared. The system lists all the revisions of the maintenance program for which contents such as work units, schedule information, dependent work units and scheduled for dependent work units have been specified.

Click the “Get Details” pushbutton.

The system retrieves the following fields in the “Comparison Details” multiline:

Level	The level at which the revisions are compared. The system displays one of the following: Program – If the differences in the revisions are displayed for the maintenance program Aircraft – If the differences in the revisions are displayed for the maintenance program associated to a specific aircraft
Entity Affected	The type of entity that is affected by the revision that is made. The system displays one of the following: Work unit type, to indicate the type of the work unit in the maintenance program, which has undergone revision. Aircraft, to indicate that aircraft effectivity details have been modified.
Affected Entity Value	The entity that has been affected by the revision. The system displays one of the following: The work unit number if changes have been made to the work units of the maintenance program. The dependent work unit number along with its schedule ID when dependent work units have been added, modified or deleted to the work units in the program. The work unit number along with its schedule ID when schedules are defined for the work units in the program. The dependent work unit number along with its schedule ID when schedules are defined for it. The number of the work package along with the number and schedule ID of the work unit that has been added or deleted from it. The aircraft registration number if it is associated or dissociated from the program. The model number, if it has been added or deleted from the model effectivity details of the program.
Aircraft Reg #	The registration number of the aircraft if the revision change is due to the change in the aircraft effectivity.
Action	The action performed, which has resulted in the revision. The system displays one of the following: Added / Activated / Inactivated / Terminated – When these actions are performed for the work units defined as a part of the program Added / Deleted / Updated – When these actions are performed on the dependent work units in the program Updated – When changes are made to the scheduled details of the work units as well as to the dependent scheduled details for the work unit in the program Added/Deleted – When changes are made to the work units that are part of the work packages specified for the program Added / Activated / Modified – When changes are made to the aircraft associated to the program Added / Deleted – When changes are made to the aircraft models associated to the program
Information Affected	Indicates the type of information that is affected due to the revision. The system displays one of the following: Basic Content – When changes are made to the work units specified for the maintenance program. Dependency Definition – When dependent work units are added, deleted or updated. Schedule Definition – When changes are made to the schedules that are defined for the work units. Dep Schedule Definition – When changed are made to the dependent schedules. Work Content / Seasonal Variations – When the work units in the work packages of the program have undergone change, or when off-seasonal period has been defined for the tasks in the work package. Aircraft Association – When aircraft have been associated or dissociated from the program. Model Effectivity – When changes have been made to the model effectivity details of the program.

The system displays the following fields in the “Record Statistics” group box:

Revised By	The login ID of the user who revised the program.
Revision Date	The date on which the program was revised.

Comparing the revisions of the maintenance program – An overview

You can select a specific revision of the maintenance program and compare it with the other revisions of the program.

The following comparison details are retrieved:

The level at which the revision change has taken place, whether it is at the program level or at the aircraft specific program level.
The entity due to which the revision has taken place. It could be either the changes in the work units or to the aircraft associated to the program.
The value of the entity that was affected.
The action due to which the program was revised.
The type of information that was affected due to the revision.