05000311/LER-1982-033, Forwards LER 82-033/03L-0.Detailed Event Analysis Encl

Forwards LER 82-033/03L-0.Detailed Event Analysis Encl

ML20053E813
Person / Time
Site:	Salem
Issue date:	05/21/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20053E814	List: 05000311/LER-1982-033, Forwards LER 82-033/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8206100117
Download: ML20053E813 (3)

LER-2082-033, Forwards LER 82-033/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3112082033R00 - NRC Website

text

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e PSEG Public Ser.ee Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station May 21, 1982 Mr. R. C. Haynes Regional Administrator USNRC Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Haynes:

LICENSE NO. DPR-75 4

DOCKET NO. 50-311 REPORTABLE OCCURRENCE 32-033/03L 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 l' Occurrence 82-033/03L. This report is required within thirty (30) days of the occurrence.

4 Sincerely yours, l c/S

. H. J. Midura General Manager -

Salem Operations

{ RF:ks CC: Distribution i

8206100117 820521 PDR ADOCK 05000311 The Energy copie $6-u m m u m si

i i Report Number: 82-033/03L

[ Report Date: 05-21-82 Occurrence Date: 04-24-82 Facility: Salem Generating Static . Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 21 Control Room Emergency Air Conditioning System Fan -

Inoperable.

This report was initiated by Incident Report 82-099.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1140 MWe.

DESCRIPTION OF OCCURRENCE:

On April 24, 1982, during routine surveillance, the Control Room Operator observed that No. 21 Control Room Emergency Air Conditioning System Fan had' tripped, and would not restart. An investigation showed that the fan motor overload contactor had opened. The fan was declared inoperable at 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, and Action Statement 3.7.6.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:

No. 21 Control Room Emergency Air Conditioning System Fan tripped as a result of a failed overload contactor.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.7.6.a requires:

With one fan inoperable, restore the inoperable fan to operable status within 7 days, or be in at least hot i 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 cold shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

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~ .._ . . - - . = . . _ - - _ . - .

' , , LER 82-033/03L .

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t j CORRECTIVE ACTION:

'the failed contactor was properly replaced, and the fan was satisfactorily tested. No. 21 Control Room Emergency Air Conditioning Fan was declared operable at 1245 hours0.0144 days <br />0.346 hours <br />0.00206 weeks <br />4.737225e-4 months <br />, l

April 26, 1982, and Action Statement 3.7.6 a was terminated.

FAILURE DATA:

General Electric Company NEMA Overload Contactor Size 2 2

Prepared By R. Frahm / bd 4

Gederal'Aanager -

Salem Operations SORC Meeting No. 82-52 1

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