05000311/LER-1982-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl

Forwards LER 82-020/03L-0.Detailed Event Analysis Encl

ML20054B546
Person / Time
Site:	Salem
Issue date:	03/31/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054B547	List: 05000311/LER-1982-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8204160586
Download: ML20054B546 (3)

LER-2082-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3112082020R00 - NRC Website

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>SEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Sat.a Generating Station March 31, 1982 Q ,

Mr. R. C. Haynes 9s'\ \

Regional Administrator 2 @

USNRC ( lOQr;teg' ,

t Region 1 ~

_g C R 15198 g 631 Park Avenue 9 King of Prussia, Pennsylvania 19406 "85]ean enya

Dear Mr. Haynes:

4 kfiH /

< LICENSE NO. DPR-75 ta DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-20/03L Pursuant to the requirements of Salem Generating Station Unit No. 2, Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 82-20/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours,

// kq[d I w w H. J. Midura General Manager -

Salem Operations hFD:al CC: Distribution f

8204160506 820331 PDR ADOCK 05000311 S

fBh( )

PDR v% v, pm

Report Number: 82-20/03L Report Date: 03-31-82 Occurrence Date: 03-13-82 Facility: Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 23 Auxiliary Feedwater Pump - Inoperable - Failed Governor.

This report was initiated by Incident Report 82-053.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1160 MWe DESCRIPTION OF OCCURRENCE:

On March 13, 1982, during performance of Surveillance Procedure SP (O) 4. 0. 5. p, No. 23 Auxiliary Feedwater Pump would not attain the specified minimum speed of 3500 RPM. At 1131 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.303455e-4 months <br /> the pump was declared inoperable, and Action Statement 3.7.1.2.a was entered.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The auxiliary feedwater pump failed to reach speed due to leakage past the overspeed ball check valve and the governor linkage being out of adjustment.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.7.1.2.a requires:

With one auxiliary feedwater pump inoperable, restore the required auxiliary feedwater pump to operable status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, or be in at least hot standby within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in hot shutdown within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

LER 82-20/03L

• CORRECTIVE ACTION:

The overspeed ball check valve seated after being flushed and the governor linkage was properly adjusted. Surveillance Procedure SP (O) 4.0.5.p was satisfactorily performed. At 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br />, I

March 14, 1982 the pump was declared operable and Action Statement 3.7.1.2.a was terminated.

FAILURE DATA:

Terry Steam Turbine Company

, One Stage Drive Turbine

, Type GS2 i

l 1

I f

Prepared By R. Frahm he 4de General 'Mana'ger -

Salem Operations

SORC Meeting No. 82-36 i

l

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