05000416/LER-2020-002, Reactor Scram Due to Turbine Trip

Reactor Scram Due to Turbine Trip

ML20202A650
Person / Time
Site:	Grand Gulf
Issue date:	07/20/2020
From:	Emily Larson Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2020/00028 LER 2020-002-00
Download: ML20202A650 (6)

LER-2020-002, Reactor Scram Due to Turbine Trip

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(iv)(A), System Actuation
4162020002R00 - NRC Website

text

GNRO-2020/00028 July 20, 2020 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001

SUBJECT:

Grand Gulf Nuclear Station, Unit 1 Licensee Event Report 2020-002-00, Reactor Scram Due to Turbine Trip Grand Gulf Nuclear Station, Unit 1 Docket No. 50-416 Renewed License No. NPF-29 Attached is Licensee Event Report 2020-002-00, Reactor Scram Due To Turbine Trip.

This report is being submitted in accordance with 10 CFR 50.73(a)(2)(iv)(A), for any event or condition that resulted in manual or automatic actuation of the Reactor Protection System.

This letter contains no new Regulatory Commitments. Should you have any questions concerning the content of this letter, please contact Jim Shaw, Manager Regulatory Assurance at 601-437-2103.

Sincerely, Eric A. Larson EAL/fas Attachments: Licensee Event Report 2020-002-00 Eric A. Larson Site Vice President Grand Gulf Nuclear Station Tel: 601-437-7500 Entergy Operations, Inc.

P.O. Box 756 Port Gibson, Mississippi 39150 10 CFR 50.73

GNRO-2020/00028 Page 2 of 3 cc:

NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 39150 U.S Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001

GNRO-2020/00028 Page 3 of 3 Attachment Licensee Event Report 2020-002-00

NRC FORM 366 (04-2020)

NRC FORM 366 (04-2020)

U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB: NO. 3150-0104 EXPIRES: 04/30/2020 LICENSEE EVENT REPORT (LER)

(See Page 2 for required number of digits/characters for each block)

(See NUREG-1022, R.3 for instruction and guidance for completing this form http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1022/r3/)

1. Facility Name Grand Gulf Nuclear Station, Unit 1

2. Docket Number 05000 416

3. Page 1 OF 3

4. Title Reactor SCRAM Due to Main Turbine Trip

5. Event Date

6. LER Number

7. Report Date

8. Other Facilities Involved Month Day Year Year Sequential Number Rev No.

Month Day Year Facility Name N/A Docket Number 05000 N/A 05 25 2020 2020

- 002

- 00 07 20 2020 Facility Name Docket Number N/A 05000 N/A

9. Operating Mode 1

Nuclear Regulatory Commission, Washington, DC 20555-0001, or by e-mail to Infocollects.Resource@nrc.gov, and the OMB reviewer at: OMB Office of Information and Regulatory Affairs, (3150-0104), Attn: Desk Officer for the Nuclear Regulatory Commission, 725 17th Street NW, Washington, DC 20503; e-mail: oira_submission@omb.eop.gov. The NRC may not conduct or sponsor, and a person is not required to respond to, a collection of information unless the document requesting or requiring the collection displays a currently valid OMB control number.

LICENSEE EVENT REPORT (LER)

CONTINUATION SHEET (See NUREG-1022, R.3 for instruction and guidance for completing this form http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1022/r3/)

3. LER NUMBER Grand Gulf Nuclear Station, Unit 1 05000-416 YEAR SEQUENTIAL NUMBER REV NO.

2020

- 002

- 00 Previous Similar Event:

Entergy conducted a three-year review of the relevant licensee event reports and determined that there were no

similar events

These review results may change based on the causal analysis and a subsequent review of the past SCRAMs.