Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | Improved Technical Specification (ITS) 3.3.17, Post Accident monitoring (PAM) Instrumentation, requires, in part, that both channels of the function, Degrees of Subcooling, shall be operable in MODES 1, 2, and 3. ITS 3.3.17, Condition C, states that with one or more functions with two required channels inoperable, restore one channel to operable within 7 days. Contrary to the above, on January 25, 2008, during surveillance testing, the licensee determined that both channels of the function, Degrees of Subcooling, had been inoperable since a software change on August 13, 2007. The inspectors determined that the failure to comply with ITS was of very low safety significance since the Degrees of Subcooling function would have remained available during the most limiting accident conditions (incore temperatures less than 1250oF ). The software change only affected the Degrees of Subcooling function above incore temperatures of 1250oF. This issue is documented in the licensees corrective action program as NCR 263310 |
| Site: | Crystal River  |
|---|---|
| Report | IR 05000302/2008002 Section 4OA7 |
| Date counted | Mar 31, 2008 (2008Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | J Rivera-Ortiz R Reyes T Morrissey L Lake R Aiello B Caballero B Collins M Sykes |
| INPO aspect | |
| ' | |
Finding - Crystal River - IR 05000302/2008002 | |||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Crystal River) @ 2008Q1
Self-Identified List (Crystal River)
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