Finding | |
|---|---|
| Title | Failure to Have a Procedure Appropriate to Circumstances for Degraded Voltage Relays |
| Description | A finding of very low safety significance (Green) and a Non-Cited Violation of Title 10 of the Code of Federal Regulations (10 CFR) 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings, was self-revealed on April 16, 2018, for the licensees failure to establish a preventive maintenance procedure for the safety-related degraded voltage relays that was appropriate to the circumstances. Specifically, the licensee failed to ensure that the first-time functional test and calibration for relay 1274B241 (Procedure MAQC773524, Quad Cities NOAD Unit 2 Tech Spec Undervoltage Relay and Degraded Voltage Relay Calibration) was at an appropriate frequency to ensure that the relay would perform its Technical Specification function. |
| Site: | Quad Cities  |
|---|---|
| Report | IR 05000254/2018002 Section 4OA2 |
| Date counted | Jun 30, 2018 (2018Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | R Murray K Carrington M Domke M Jones C Norton C Mathews K Stoedter |
| Violation of: | 10 CFR 50 Appendix B Criterion V |
| INPO aspect | |
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Finding - Quad Cities - IR 05000254/2018002 | |||||||||||||||||||||||||||||
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Finding List (Quad Cities) @ 2018Q2
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