Finding | |
|---|---|
| Title | Failure to Periodically Test Instrument Air Check Valves Associated with Air-Operated Containment Isolation Valves |
| Description | The inspectors identified a Green finding and an associated NCV of 10 CFR Part 50, AppendixB, Criterion XI, Test Control, for the failure to periodically test instrument air check valves associated with air-operated containment isolation valves. Specifically, the licensee was not periodically testing the check valves designed to close and maintain sufficient pneumatic pressure in the accumulator tanks installed to closed air-operated containment isolation valves 1(2)RF026 and 1(2)RF027 in response to a containment isolation signal. |
| Site: | Byron  |
|---|---|
| Report | IR 05000454/2018010 Section 1R21 |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | NCV: Green |
| cornerstone | Barrier Integrity |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.21M |
| Inspectors (proximate) | N Feliz-Adorno J Benjamin J Robbins G O'Dwyer S Kobylarz C Baron V Petrella J Corujo-Sandin M Jeffers |
| Violation of: | 10 CFR 50 Appendix B Criterion XI |
| INPO aspect | |
| ' | |
Finding - Byron - IR 05000454/2018010 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Byron) @ 2018Q1
Self-Identified List (Byron)
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