Finding | |
|---|---|
| Title | Half Scram Due to Low Voltage on 24/48 Vdc System |
| Description | A finding of very low safety significance (Green) and a Non-Cited Violation of Technical Specification 5.4.1, Procedures, was self-revealed on January 11, 2018, for the licensees failure to perform an equalizing charge on the Unit 1B 24/48 Vdc battery prior to returning the 24/48 Vdc battery to a normal configuration following a test discharge, which was required by station procedures. The failure to follow procedures led to a low voltage condition and caused a Unit 1B channel half scram in the reactor protection system. |
| Site: | Quad Cities  |
|---|---|
| Report | IR 05000254/2018001 Section 4OA2 |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | NCV: Green |
| cornerstone | Initiating Events |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71152 |
| Inspectors (proximate) | R Murray K Carrington S Bell B Bergeon M Domke M Holmberg J Neurauter C Mathews L Torres K Stoedter |
| Violation of: | Technical Specification |
| INPO aspect | WP.1 |
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Finding - Quad Cities - IR 05000254/2018001 | |||||||||||||||||||||||||
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Finding List (Quad Cities) @ 2018Q1
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