Thanks Ty, not see any other SMBUS or EEPROM messages in the log. Also this not causing any type of outage in the stack. We are seeing the error occurs at the same time each day.
06/24/2015 14:27:51.78 Slot-2: Error reading from XEN card eeprom (1, 83)
06/24/2015 14:12:22.81 Slot-1: Error reading from XEN card eeprom (1, 83)
06/23/2015 14:27:51.76 Slot-2: Error reading from XEN card eeprom (1, 83)
06/23/2015 14:12:22.81 Slot-1: Error reading from XEN card eeprom (1, 83)
I have not reboot the stack nodes. Will try to do the reboots this weekend.