ML20041D950

Forwards LER 82-008/03L-0.Detailed Event Analysis Encl

ML20041D950
Person / Time
Site:	Salem
Issue date:	02/24/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20041D951	List: ML20041D950 ML20041D959
References
NUDOCS 8203090637
Download: ML20041D950 (4)

Text

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J PSEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Genera *ing Station February 24, 1982 Mr. R. C. Ilaynes y4 $

Regional Administrator Fte n1 k N -9 631 Park Avenue King of Prussia, Pennsylvania 19406

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Dear Mr. Ilaynes :

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LICENSE NO. DPR-75 ,,,

DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-08/03L 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 82-08/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, j %t&b&

H. J. Midura General Manager -

Salem Operations

) FD:al CC: Distribution 8203090637 B20224 PDR ADOCK 05000311 S PDR The Energy People I ifl

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Report Number: 82-08/03L Report Date: 02-24-82 Occurrence Date: 01-28-82 Facility: Salem Generating Station, Unit 2 Public Service Electric & Gas Company liancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Reactor Protection System Instrumentation - Inoperable.

This report was initiated by Incident Report 82-024.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 96% - Unit Load 1080 MWe DESCRIPTION OF OCCURRENCE:

On January 28, 1982, the operator noticed that the Overpower Delta T indication for Channel 21 had failed high. At 0810 hours0.00938 days <br />0.225 hours <br />0.00134 weeks <br />3.08205e-4 months <br /> the channel was declared inoperable and Action Statement 3.3.1 Action 6 was entered.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.3.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The Signal Summator 2TM412E had no output due to failed capacitors.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.3.1 Action 6 requires:

With the number of operable channels one less than the total number of channels, startup and/or power operation may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the tripped condition within one hour,

b. The minimum channels operable requirement is met; however, one additional channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing per Specification 4.3.1.1.

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LER 82-08/03L -

CORRECTIVE ACTION:

The channel was placed in the tripped condition within one hour.

All technical specification requirements were met. Five capacitors were replaced in the unit, and the unit was bench tested satisfac-torily. Functional test 2PD2.6.001 was satisfactorily performed.

At 1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br /> Channel 21 was declared operable, and Action Statement 3.3.1 Action 6 was terminated.

FAILURE DATA:

llagan Signal Summator Model 7100 Prepared By F. Dickey /[hhi[E General Manager -

Salem Operations SORC Meeting No. 82-22