Hello from Amazon Selling Partner Support,
I understand that you are requesting for investigation regarding your cancelled shipments FBA18Q3FV2ZV, FBA18Q3J80B3, FBA18Q3FKNLM, FBA18Q3KC98Q and FBA18Q3J1HPS. And we acknowledge that you did not received email from Amazon regarding the cancellation reason.
After a review, we've determined that this is a non-partnered carrier shipment. Hence, we highly advise you to please contact the carrier directly for support with delayed nd/or cancelled deliveries.
For more information, go to: https://sellercentral.amazon.com/help/center