Skip to content

How do I request third party access for the Engine Change Tool?

If you need access to the Engine Change Tool to make engine changes for a third-party fleet, please follow the steps below to request for access.

Click on ‘Ask CFM’


Click on ‘Engine’


Click on ‘Engine Change’


Provide the following in the description field below:
• Names and User IDs (NXXXXXT) of user(s), from the third party, requiring access
• Name and ICAO Code (if available) of the third-party company the users are associated with
• Name and ICAO Code (if available) of the Airline that operates the assets
• List of Engine model(s) for the Airline that operates the assets. (Additionally, a sampling of Tail Numbers and/or ESNs, if available)


Feedback and Knowledge Base