05000348/LER-2016-003, Regarding Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band

Regarding Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band

ML16347A116
Person / Time
Site:	Farley
Issue date:	12/12/2016
From:	Gayheart C Southern Nuclear Operating Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NL-16-2478 LER 16-003-00
Download: ML16347A116 (6)

LER-2016-003, Regarding Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)
LER closed by
IR 05000348/2017001 (1 May 2017)
3482016003R00 - NRC Website

text

,~ Southern Nuclear December 12, 2016 Docket Nos.: 50-348 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Cheryl A. Gayheart VIce President - Farley Farley Nuclear Plant Post OHice Box 470 Ashford, AL 36312 334.814.4511 tel 334.814.4575 fax cagayhea@ southemco.com NL-16-2478 Joseph M. Farley Nuclear Plant - Unit 1 Licensee Event Report 2016-003-00 Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band Ladies and Gentlemen:

This Licensee Event Report is being submitted pursuant to the requirements of the Code of Federal Regulations, 10 CFR 50.73(a)(2)(i)(B), for a condition prohibited by Technical Specifications.

This letter contains no NRC commitments. If you have any questions regarding the submittal, please contact Ms. Julie Collier at (334) 814-4639.

Sincerely, Ms. C.

heart Vice President - Farley CAG/JAC Enclosure: Unit 1 Licensee Event Report 2016-003-00

U. S. Nuclear Regulatory Commission NL-16-2478 Page 2 cc:

Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bast, Executive Vice President & Chief Nuclear Officer Mr. M. D. Meier, Vice President-Regulatory Affairs Mr. D. A. Madison, Vice President - Fleet Operations Mr. B. J. Adams, Vice President-Engineering Mr. C. A. Pierce, Regulatory Affairs Director Ms. B. L. Taylor, Regulatory Affairs Manager-Farley Mr. K. D. Miller, Operating Experience Coordinator - Farley RTYPE: CFA04.054 U. S. Nuclear Regulatory Commission Ms. C. Haney, Regional Administrator Mr. S. A. Williams, NRR Project Manager-Farley Mr. P. K. Niebaum, Senior Resident Inspector-Farley

Enclosure Joseph M. Farley Nuclear Plant-Unit 1 Unit 1 Licensee Event Report 2016-003-00 NL-16-2478 Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB: NO. 3160.0104 EXPIRES: 10/3112018 (11*2015)

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1. FACILITY NAME

~- DOCKET NUMBER I:J. PAGE Joseph M. Farley Nuclear Plant, Unit 1 05000- I 348 1 OF 3

4. TITLE Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band

5. EVENT DATE

6. LEA NUMBER

7. REPORT DATE

8. OTHER FACILITIES INVOLVED I

SEQUENTIAL I REV NO FACILITY NAME DOCKET NUMBER MONTH DAY YEAR YEAR NUMBER MONTH DAY YEAR 12 FACILITY NAME DOCKET NUMBER 10 13 2016 2016 003 -

00 12 2016

~*OPERATING MODE

11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR §: (Check all that apply) 0 20.2201(b) 0 20.2203(8)(3)(1) 0 50.73(a)(2)(11)(A) 0 50.73(a)(2)(viii)(A)

De fueled 0 20.2201 (d) 0 20.2203(a)(3)(11) 0 50.73(a)(2)(11)(B) 0 50.73(a)(2)(viii)(B) 0 20.2203(a)(1) 0 20.2203(a)(4) 0 50. 73(a)(2)(111) 0 50.73(a)(2)(1x)(A) 0 20.2203(a)(2)(1) 0 50.36(c)(1)(1)(A) 0 50.73(a)(2)(1v)(A) 0 50.73(a)(2)(x)

10. POWER LEVEL 0 20.2203(a)(2)(11) 0 50.36(c)(1)(ii)(A) 0 50. 73(a)(2)(v)(A) 0 73.71(a)(4) 0 20.2203(a)(2)(111) 0 50.36(c)(2) 0 50.73(a)(2)(v)(B) 0 73.71(a)(5) 0%

0 20.2203(a)(2)(1v) 0 50.46(a)(3)(11) 0 50.73(a)(2)(v)(C) 0 73.77(a)(1) 0 20.2203(a)(2)(v) 0 50. 73(a)(2)(1)(A) 0 50.73(a)(2)(v)(D) 0 73.77(a)(2)(1) 0 20.2203(a)(2)(vl) 181 50. 73(a)(2)(1)(B) 0 50.73(a)(2)(vll) 0 73.77(a)(2)(11) 0 50.73(a)(2)(i)(C) 0 OTHER Specify In Abstract below or In =

F. CORRECTIVE ACTION

3. LER NUMBER YEAR 2016 SEQUENTIAL NUMBER 003 The PSV was replaced during the October 2016 refueling outage. An additional PSV that was removed for routine 1ST requirements was tested satisfactorily. The setpoints were left at plus or minus 1%

tolerance.

G. ADDITIONAL INFORMATION

1) Failed Components:

Pressurizer safety valve

2) Previous Similar Events:

A similar event was reported for Unit 1 LEA 2015-004-00. For that event, there had been indication of seat leakage during the previous operating cycle based on elevated tailpipe temperatures. This was not seen in this event.

3) Other system affected:

No systems other than those mentioned in this report were affected by this event.

4) Commitment Information: This report does not create any licensing commitments

5) Energy Industry Identification System Code:

[SB]

REV NO.

00