Spectrum Service Manager is showing outage duration starting at epoch - 01.01.1970 01:00:00 which causes duration outage times to be incorrect.
Flaw in code
Release : 10.3
Component : Spectrum Core / SpectroSERVER
This is resolved in Spectrum release 10.4.1.
For 10.3.2, patch Spectrum_10.03.02.D151 is available - this patch does require BMP 10.3.2_BMP_10.3.201
20197374 - Service Outage showing start time as epoch
If you need a copy of this patch please open a case on the Broadcom support site.
This is resolved in Spectrum release 10.4.1 and above.