Pod serial number: 1918150
Gas sensor type: NO2          
Failed sensor serial number: 202100017 (dc 107)
Serial number of new sensor: 202660125 (dc 069)
Sensor failure date: 23/12/2019 05:00
Notified : 24/12/2019
Sensor received : 06/01/2020
Replaced: 27/01/2020 14:30

Please allow 2-3 days for sensor to rebase and stabilise.