05000348/LER-2016-008, Regarding Manual Reactor Trip Due to Generator Voltage Swings

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Regarding Manual Reactor Trip Due to Generator Voltage Swings
ML17023A278
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 01/23/2017
From: Madison D
Southern Nuclear Operating Co
To:
Document Control Desk, Office of New Reactors
References
NL-17-0005 LER 16-008-00
Download: ML17023A278 (6)


LER-2016-008, Regarding Manual Reactor Trip Due to Generator Voltage Swings
Event date:
Report date:
Reporting criterion: 10 CFR 50.73(a)(2)

10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded

10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition

10 CFR 50.73(a)(2)(viii)(B)

10 CFR 50.73(a)(2)(x)

10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor

10 CFR 50.73(a)(2)(v), Loss of Safety Function

10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown

10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications

10 CFR 50.73(a)(2)(vii), Common Cause Inoperability

10 CFR 50.73(a)(2)(i)
3482016008R00 - NRC Website

text

.~ Southern Nuclear January 23, 2017 Docket Nos.: 50-348 U. S. Nuclear Regulatory Commission A TIN: Document Control Desk Washington, D. C. 20555-0001 Dennis R. Madison Vice President-Plant Farley Joseph M. Farley Nuclear Plant-Unit 1 Licensee Event Report 2016-008-00 Southern Nuclear Operating Company Farley Nuclear Plant Post Office Drawer 470 Ashford, AL 36312 Tel334.814.4511 Fax 334.814.4575 NL-17-0005 Manual Reactor Trip Due to Generator Voltage Swings 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)(iv}(A) for a manual actuation of the Reactor Protection System and automatic start of the Auxiliary Feedwater system.

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

Respectively submitted,

$~~

Mr. D. R. Madison Vice President - Farley DRM/JAC Enclosure: Unit 1 Licensee Event Report 2016-008-00

U.S. Nuclear Regulatory Commission NL-17-0005 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. B. J. Adams, Vice President - Engineering Mr. A.D. Gayheart-Fleet Operations General Manager Mr. C. R. 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

Joseph M. Farley Nuclear Plant-Unit 1 Unit 1 Licensee Event Report 2016-008-00 Manual Reactor Trip Due to Generator Voltage Swings

~RC FORM366 U.S. NUCLEAR REGULATORY COMMISSION ~PPROVED BY OMB: NO. 3150*<<11 D4 EXPIRES: 10/31/2018 (11-20151

~stimated burden pe1 response to comply with lh<s mandatory c~e<:tlon tequest: eo hours

~;,

~epo1ted lessons leamed are lnc01porated Into lhe ~censmg prates!. and led back to inslry fsend comments regarding burden esl male to lhe FOIA. Prtvacv and lrJormation Coltectrons

.. ".,,.. ~ LICENSEE EVENT REPORT (LEA)

~anch (T*5 F53}. US. NtJclear Regulatorv Commission. Wash,nglon DC 20555.()001. or.l>y

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  • nteme1 e-mail to lntocollecls Reso!HceCrvc !IOV. and lo the Desk Olticer. Olltce ollniOimation

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fand Regulatory Allalrs. NEOB*10202. (315().0104), Olhce of Managemenl and Budget

~ashinglon. DC 20503. II a means used 1o impose an rn1olmallon colk>cr.on does nol display a P-lfnl!y vahd OMB conlrol number,lhe NRC may no1 conduct 01 sponsm. and a person Is no requued lo respond Ia, lhe rntormalton co leclion.

1. FACILITY NAME

~- DOCKET NUMBER 3.PAGE Joseph M. Farley Nuclear Plant, Unit 1 OSotHI-I 348 1

of 3

14* TITLE Manual Reactor Trip Due to Generator Voltage Swings

5. EVENT DATE
6. LER NUMBER
7. REPORT DATE
8. OTHER FACILmES INVOLVED YEAR I SEQUENTIAL I REV NO ACIUTYNAME POCKET NUMBER MONTH OAY YEAR NUMBER MONTH DAY YEAR 11 27 2016 2016

. 008.

23 ACILITY NAME OCKET NUMBER 00 1

2017

~. 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(a)(3)(i) 0 50.73(a)(2)(ii)(A) 0 50.73(a)(2)(vlii)(A) 1 0 20.2201 (d) 0 20.2203(a)(3)(ii) 0 50.73(a)(2)(ii)(B) 0 50.73(a)(2)(viii)(B) 0 20.2203(8)(1) 0 20.2203(a)(4}

0 50.73(a}(2)(iii) 0 50.73(a)(2}(ix}(A) 0 20.2203(a)(2)(i) 0 50.36(c)(1)(i}(A) 181so.73(a)(2)(iv)(A) 0 50.73(a)(2)(x)

10. POWER LEVEL 0 20.2203(a)(2)(ii) 0 50.36(c)(1 )(ii)(A) 0 50.73(a)(2)(v)(A) 0 73.71(a)(4) 0 20.2203(a)(2)(iii) 0 50.36(c}(2) 0 50. 73(a)(2)(v)(B) 0 73.71(a)(5) 100 0 20.2203(a)(2)(iv) 0 50.46(a)(3)(ii) 0 50.73(a)(2)(v)(C) 0 73.77(a)(1) 0 20.2203(a)(2)(v) 0 50.73(a)(2)(i)(A) 0 50.73(a)(2)(v)(D) 0 73. 77(a)(2)(i) 0 20.2203(a)(2)(vi) 0 50.73(a)(2)(i)(B) 0 50.73(a)(2)(vii) 0 73.77(a)(2)(ri) 0 50.73(a)(2)(i)(C) 0 OTHER Spec*ly rn AbslraciiK!IoW orin =

F. CORRECTIVE ACTION

E~llm~led burden per response lo comply Yltlh lhls mandalory collection tequest* 80 hours9.259259e-4 days <br />0.0222 hours <br />1.322751e-4 weeks <br />3.044e-5 months <br /> Repofled lessons leamed are Incorporated into lhel!censrng proceO& and led batk to 1ndustry.

Send comments regarding bllden es11ma1e to 1fle FOIA. Privacy and lnlol!llal on Collect ons B1anch (T*5 F53), U.S Nuclear Regulatory Commission. Washington. DC 2055!>-0001, or by lnlernel e-maillo lntocollecls AOSilurceC>nrc.gov. and to the Desk Ollicer. OHice otlntormallon and Regulatory AHens. NEOB*I0202 (3150*01041. 011 ce ol Mana9ement and Budget, Washington, DC 20503 II a means used to Impose an lnfollllahon collec~on does nor d" play a currently valid OMB control numbe1.thc NAG may not conduct or sponsor. aM a person I! not requ1red to respond to, the lnlormalion collection.

2. DOCKET NUMBER 05000-348 YEAR
3. LER NUMBER SEQUENTIAL NUMBER 2016 -

008 -

REV NO.

00 The voltage isolation transducer was replaced prior to the plant restarting. The transducer module is being sent off for failure analysis to confirm the cause of this failure.

G. ADDITIONAL INFORMATION

1) Previous Similar Events:

No other similar previous events have been reported.

2) Commitment Information: This report does not create any licensing commitments Page 3 of 3