# NRC CAL – NOV (SLIII)
> **EA-20-114** · CAL · Severity SLIII · Issued 2021-05-18 · Reactor Licensees
## Action
- **EA Number:** EA-20-114
- **Licensee:** NOV (SLIII)
- **Category:** Reactor Licensees
- **Action type:** CAL
- **Severity level:** SLIII
- **Date issued:** 2021-05-18
## Description

On May 18, 2021, the NRC issued a Severity Level III Notice of Violation to Entergy Operations, Inc. (Licensee), for a violation of 10 CFR 50, Appendix B, Criterion V at Waterford Steam Electric Station, Unit 3. Specifically, licensee contract employees at the direction of their superintendent disconnected an equipment protective device and drilled through embedded structural steel reinforcing bar in a safety-related wall without first obtaining the required approval.

## Source
- [Full enforcement letter (PDF)](https://www.nrc.gov/docs/ML2113/ML21138A858.pdf)
- [NRC Reactor Licensees index](https://www.nrc.gov/reading-rm/doc-collections/enforcement/actions/reactors/)
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