At 0945 on 6/16/04, the uninterruptible power supply to the
Technical Support Center was removed from service for pre-planned maintenance. As a result, the plant
Safety Parameter Display System (
SPDS) and the
Technical Support Center (
TSC) computer system are inoperable. This event is a major loss of emergency assessment capability and is reportable under
10CFR50.72(b)(3)(xiii). The expected duration of the maintenance is between 4 and
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
This pre-planned maintenance also made the ERDS inoperable.
The Licensee has notified the NRC Resident Inspector.
- * * UPDATE ON 06/16/04 @ 1707 BY MIKE GUILL TO C GOULD * * * UPDATE
SPDS and the TSC computer were returned to service at 17:04 on 06/16/04.
The NRC Resident Inspector will be returned to service.
