CMM Revisions

Regularly check if your CMM has been revised with your ATA, RRM, or part number to make sure you use the latest version of your maintenance manual. The CMM revision tool that could be found on this page has been updated and incorporated into our customer portal. If you need to check for revisions or require access to a CMM, please visit our customer portal.

Login credentials

This portal is accessible to customers of VRR only. If you lost your login credentials or if you never received any and believe you should be authorized, please reach out to us and we will get back to you shortly.


Missing document

When you miss a document in the Customer portal, please fill in below form and tell us which document it concerns.