05000311/LER-1981-030, Forwards LER 81-030/03L-0.Detailed Event Analysis Encl

Forwards LER 81-030/03L-0.Detailed Event Analysis Encl

ML20009A469
Person / Time
Site:	Salem
Issue date:	06/29/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A470	List: 05000311/LER-1981-030, Forwards LER 81-030/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-030-03, /03L-0:on 810530,during Startup Operations, Auxiliary Feed Pump 21 Outboard Bearing Went Into High Temp Alarm & Was Removed from Svc.Caused by Failure of Outboard Bearing & Seal Assembly.Components Replaced
References
NUDOCS 8107130197
Download: ML20009A469 (3)

LER-1981-030, Forwards LER 81-030/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981030R00 - NRC Website

text

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O PSIEG Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430 7000 June 29, 1981 Mr. Boyce H. Grier Director of USNRC Office of Inspection and Enforcement Region 1 631 Park Avenue l

King of Prussia, Pennsylsunia 19406 i

Dear Mr. Grier:

1 LICENSE NO. DPR-75 i

DCCKET NO. 50-311 REPORTABLE OCCURRENCE 81-30/03L 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 81-30/03L.

This report is required within thir.tys(30) days of the occurrence.

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4 Sincerely yours, C, b b $

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fi d JUL 1019815-$

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/d R. A.

Uderitz 4'

General Manager -

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Nuclear Production C 4 CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management l

Infoimation and Program Control (3 copies) k l

f\\w 8107130197 810629 PDR ADOCK 05000311 S

PDR The Energy People 95 ?X1 iE? *, ?a

1 Report Number:

81-30/03L Report Date:

June 29, 1981 Occurrence Date:

5-30-81 Facility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 21 Auxiliary Feedwater Pump - Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 9% - Unit Load O MWe DESCRIPTION OF OCCURRENCE:

During start-up operations on May 30, 1981, No. 21 Auxiliary Feed Pump outboard bearing went into high temperature alarm and was removed from service.

Investigation of the alarm, found the out-board bearing and seal assembly had failed.

At 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> the Auxiliary Feed Pump was declared inoperable and Action Statement 3.7.1.2.a was entered.

l This occurrence constituted operation in a degraded mode IAW Technical i

Specification 6.9.1.9.b.

l DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment failure.

No. 21 Auxiliary Feed Pump outboard bearing and seal failed.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.7.1.2.a requires that with one auxiliary feed pump inoperable, restore the required auxiliary feed pumps 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 />.

CORRECTIVE ACTION

The radial bearing, thrust bearing, mechanical seal and rotating assembly were replaced.

The No. 21 Auxiliary Feed Pump was tested satisfactorily and returned to operable status.

The Action Statement was terminated at 0512 hours0.00593 days <br />0.142 hours <br />8.465608e-4 weeks <br />1.94816e-4 months <br /> on June 2, 1981.

I l

3 LER 81-30/03L 6/29/81 FAILURE DATA:

Byron Jackson Pumps, Inc Bearing

- radial SKF-6213J Bearing - thrust SKF-7409BMG Seal - mechanical 299 Rotating assembly ll299H56 Prepared By J.

J.

Espey

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W[

Manager - Salem Generating Station SORC Meeting No.

81-56 i

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