My Read Replica appears “stuck” after a Multi-AZ failover and is unable to obtain or apply updates from the
source DB Instance. What do I do?
You will need to delete the Read Replica and create a new one to replace it.
You will need to disassociate the DB Engine and re associate it.
The instance should be deployed to Single AZ and then moved to Multi- AZ once again
You will need to delete the DB Instance and create a new one to replace it.