Pod serial number: 1922150 Gas sensor type: O3 Failed sensor serial number: 204581505 (Date Code 048) Serial number of new sensor: 204640909 (Date Code 058) Sensor failed at 28/11/2018 Notified 03/12/18 Received 06/12/18 Replaced 07/12/18 Please allow 2-3 days to re-base and stabilise.