05000293/LER-2017-001, Regarding Reactor Building Isolation Dampers Failed to Isolate

Regarding Reactor Building Isolation Dampers Failed to Isolate

ML17080A099
Person / Time
Site:	Pilgrim
Issue date:	03/15/2017
From:	Perkins E Entergy Nuclear Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
LER 17-001-00
Download: ML17080A099 (7)

LER-2017-001, Regarding Reactor Building Isolation Dampers Failed to Isolate

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(v), Loss of Safety Function
2932017001R00 - NRC Website

text

~Entergx March 15, 2017 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360

SUBJECT:

Licensee Event Report 2017-001-00, Reactor Building Isolation Dampers Failed to Isolate Pilgrim Nuclear Power Station Docket No. 50-293 Renewed License No. DPR-35 LETTER NUMBER: 2.17.022

Dear Sir or Madam:

The enclosed Licensee Event Report 2017-001-00, Reactor Building Isolation Dampers Failed to Isolate, is submitted in accordance with Title 1 O Code of Federal Regulations 50. 73.

If you have any questions or require additional information, please contact me at (508) 830-8323.

There are no regulatory commitments contained in this letter.

Sincerely, h-Everett P. P ins, Jr.

Manager, Regulatory Assurance EPP/sc Attachment: Licensee Event Report 2017-001-00, Reactor Building Isolation Dampers Failed to Isolate ( 4 Pages)

Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station cc:

Mr. Daniel H. Dorman Regional Administrator, Region I U.S. Nuclear Regulatory Commission 2100 Renaissance Blvd., Suite 100 King of Prussia, PA 19406-2713 Ms. Booma Venkataraman, Project Manager Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8C2A Washington, DC 20555 NRC Senior Resident Inspector Pilgrim Nuclear Power Station Letter No. 2.17.022 Page 2 of 2

Attachment Letter Number 2.17.022 Licensee Event Report 2017-001-00 Reactor Building Isolation Dampers Failed to Isolate (4 Pages)

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB: NO. 3150-0104 EXPIRES: 10/31/2018 (06-2016)

JJ"'*nr.e."'

., the NRG may not conduct or sponsor, and a person is not required to respond to, the information collection.

3. LER NUMBER YEAR SEQUENTIAL REV NUMBER NO.

Pilgrim Nuclear Power Station 05000293 2017 001 00 NARRATIVE REPORT ABILITY This event is reportable under 10 CFR 50.73(a)(2)(v)(C) and 10 CFR50.73(a)(2)(v)(D), event or condition that could have prevented fulfillment of a safety function of structures or systems that are needed to: (C)

Control the release of radioactive material; or (D) Mitigate the consequences of an accident.

PREVIOUS EVENTS A review of PNPS Licensee Event Reports for the past five years did not identify any loss of safety function due to isolation dampers failing to isolate.

ENERGY INDUSTRY IDENTIFICATION SYSTEM (EllS) CODES The EllS codes for Components and Systems referenced in this report are as follows:

SYSTEMS Reactor Building Isolation Dampers - NG COMPONENTS Control Damper - COMP REFERENCE CR-PNP-2017-00494 NRC FORM 366 (06-2016)