273b4d9a_tion_Services_Routers____Cisco_ot_counters_Field_Descriptions_Description
[Field] SPA last time ready [Description] 
Time the SPA module last changed state to up or ready (the last time the module was loaded or reloaded).
Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference, Release 4.2.x - Hardware Redundancy and Node Administration Commands on the Cisco ASR 9000 Series Router [Cisco ASR 9000 Series Aggregation Services Routers] - Cisco