Editing deferral limits for deferring work units

Editing the escalation limits for deferring work units

This page enables you to edit the deferment details already specified for a work unit. Tell me more

Select the “Edit Limits” link in the “Edit Deferment Request Details” page.

The “Edit Deferral Limits” 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 in the “Deferment Request Details” group box:

Deferment Request #	The deferment request selected in the previous page.
Aircraft Reg #	The registration number of the aircraft

Enter the following field:

Line #

Use the drop-down list box to select the line number of the deferment request for which the deferment limit details must be retrieved.

Click the “Get Details” push button, to retrieve the deferment request details of the selected line number.

The system displays the following:

Component #	The component for which the deferment request has been created.
Work Order #	The number identifying the work order
Work Order Description	The textual description of the work order
Work Unit #	The number identifying the work unit
Work Unit Desc	The textual description of the work unit
Part #	The part number of the component
Serial #	The serial number of the component
Schedule Date	The date on which the maintenance activity is scheduled for the aircraft or the component
Latest Schedule Date	The date beyond which the maintenance activity for the aircraft or component cannot be postponed

Note: The system retrieves the parameter value in the “Schedule Value”, “Alert Value” and “Deferred By” fields, based on the Time Display Format selected against the parameter in the “Aircraft” business component. For example, if the “Time Display Format” is selected as “HHMM” and if the stored value is 2.50, the system automatically converts the value from 2.50 to 2.30 and displays the value as 2.30.

Enter the following in the “Deferral Limit – Time Based” group box. Entry in these fields is mandatory, if you have set the deferral type as “Time Based” or “Time and Usage Based”.

Deferred By (Days)	The number of days by which the work unit is deferred (Integer). Ensure that this is a positive value. Leave this field blank, if the deferral type is ”Usage Based”.
Alert Value (Days)	The value, in days, for which the alert is set to indicate when the work unit must be performed (Integer). Ensure that this is a positive value. Leave this field blank, if the deferral type is ”Usage Based”.

Enter the following in the “Deferral Limit – Parameter Based” multiline. Entry in these fields is mandatory, if you have set the deferral type as “Usage Based” or “Time and Usage Based”.

Parameter

The parameter such as flight hours or engine hours, based on which the work unit is deferred (Alphanumeric, 40). Ensure that this is a valid parameter of type “Consumption” and status “Active”, as defined in the “Create Parameters” activity of the “Aircraft” business component.

Help facility available

Note: The parameter should be unique in the multiline.

The system displays the following:

UOM	The unit of measurement of the parameter value
Schedule Value	The parameter value at which the work unit must be executed.

Enter the following:

Alert Value	The value of the parameter for which the alert is set to indicate when the work unit must be performed (Decimal). Ensure that this is a positive value.
Deferred By	The value of the parameter by which the work unit is deferred (Decimal). Ensure that this is a positive value.

The system displays the following:

Parameter Description

The textual description of the parameter.

Check the box in the “Select” column of the multiline, to select the parameters for deletion.
Click the Delete icon in the toolbar above the multiline, to delete the selected parameter.
Click the “Edit Limits” pushbutton, to update the modified deferral limits.

The system updates the details and calculates the Deferred Till Date.

For Time-Based schedules:

Deferred Till Date = Date of Deferment Request + Deferred By (Days)

For Usage-Based schedules:

Deferred Till Date = Date of Deferment Request + (value as on Deferment Request Date+ Deferred Value/Utilization Factor per day)

The system retrieves the Utilization factor from the associated Master parameter. The parameter value is based on the Time Display Format selected against the parameter in the “Aircraft” business component. For example, if 1.90 is entered and the “Time Display Format” is selected as “HHMM”, then the system automatically converts the value to 2.50 and stores in the database, but displays the value as 2.30.

Note: The system will not display an error message, if the entered value is not in compliance with the Time Display Format.

The system displays the following field in the “Deferral Value – Time Based” group box:

Deferred Till Date

The date till which the work unit is deferred. The system displays the earliest date of the time-based or usage-based schedule.

Editing the deferral limits for deferring work units – An overview

You can modify deferral limits based on time, usage or both. On updating the details, the system calculates the date till which the work unit is deferred, based on the deferral limits. However, you cannot modify the deferred request whose status is “Processed”.