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I installed or removed an engine on the incorrect date, how do I update the date?

If you removed or installed an engine with the incorrect date, please follow the steps below to request CFM to roll back the removal or installation.  You will need to submit a new engine change once CFM has rolled back the removal or installation.

Click on ‘Ask CFM’:


Click on ‘Engine’:


Click on ‘Engine Change’:


In the description field below provide the following
• ESN that you installed/removed on the incorrect date
• Incorrect installation/removal date
• Aircraft Tail Number

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