Finding | |
|---|---|
| Title | Inadequate Maintenance Procedure for Feedwater Valves |
| Description | The inspectors reviewed a self-revealed Green,non-cited violation of Technical Specification 5.4.1, Procedures, associated with the licensees failure to prescribe adequate procedures for performing maintenance on the feedwater bypass control valves. Specifically, the licensees procedure failed to specify the correct torque on the handwheel screw locknut, resulting in a loose locknut which led to a control valve failure and a turbine trip. This finding was entered into the licensees corrective action program as Condition Report CR-2017-009139. |
| Site: | Comanche Peak  |
|---|---|
| Report | IR 05000445/2018001 Section NO CC AREA |
| Date counted | Mar 31, 2018 (2018Q1) |
| Type: | NCV: |
| cornerstone | Initiating Events |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 4OA3 |
| Inspectors (proximate) | 7115 |
| Violation of: | Technical Specification |
| INPO aspect | NO SL |
| ' | |
Finding - Comanche Peak - IR 05000445/2018001 | |||||||||||||||||||||||||||||||||
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Finding List (Comanche Peak) @ 2018Q1
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