---
alias: user-guide-cancel-maintenance-activity-order
tags:
- maintenance
description: "Cancel a maintenance activity order, ensuring specific preconditions are met for completion"
---

# Cancel Maintenance Activity Order

:lock: MaintenanceActivityOrder.**Cancel**

## Overview

This operation is used to cancel a **Maintenance Activity Order** (**MAO**).

## Preconditions

* The **MAO** exists, is Active, and the execution state is Requested, Approved, or Released.
* The user must belong to the **Maintenance Plan Instance** Owner Role.
* The **Maintenance Activity** must be of type Ad hoc.
* The **MAO** Rework Count must be `0`.

## Sequence of Steps

### Step 1: Details

1. Verify the information regarding the **MAO**.
2. If a state transition is associated with the entity to which the **MAO** is related, it is possible to change the state of the entity by selecting a new state from the list. If the state transition has **Reasons** associated, you can accept the suggested **Reason** or select another one.
3. Optionally, enter a Comment.
4. Select **Cancel Maintenance Activity Order** to complete the operation.

    ![Cancel MAO](images/MAO_cancel.png)

!!! info
    You can cancel the MAO even when there are Maintenance Activity Material records associated to it. Once a MAO is canceled, the System State will be set to Canceled, but the Universal State will be set to Terminated. For more information, see [[user-guide-terminate-maintenance-activity-order]].