05000272/LER-1981-113, Forwards LER 81-113/03L-0.Detailed Event Analysis Encl

Forwards LER 81-113/03L-0.Detailed Event Analysis Encl

ML20038D020
Person / Time
Site:	Salem
Issue date:	12/02/1981
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038D021	List: 05000272/LER-1981-113, Forwards LER 81-113/03L-0.Detailed Event Analysis Encl 05000272/LER-1981-113-03, /03L-0:on 811108,steam Generator Level 14 Channel 3 Failed High.Caused by Dual Comparator Failure.Comparator Replaced
References
NUDOCS 8112140345
Download: ML20038D020 (3)

LER-1981-113, Forwards LER 81-113/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2721981113R00 - NRC Website

text

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O PSEG PutWc Serv:ce Electric and Gas Company P.O. Box 168 Hancocks Br'dge, New Jersey 08038 Salem Gencrating Station December 2, 1981 bt ',

b Mr.

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Director of USNRC

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Region 1 631 Park Avenue T

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Dear Mr. Haynes:

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, j:n LICENSE NO. DPR-70 i

DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-ll3/03L Pursuant to the requirements of Salem Generating Station Unit No. 1, Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-ll3/03L.

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

Sincerely yours,

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Midura General Manager -

Salem Operations CC:

Distribution

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Report Number:

81-ll3/03L Report Date:

12-2-81 Occurrence Date:

11-8-81 Facility:

Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 14 Steam Generator Level Channel 3 - Inoperable.

This report was initiated by Incident Report 81-453.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 80% - Unit Load 970 MWe DESCRIPTION OF OCCURRENCE:

On November 8, 1981, during normal operation, the No. 14 Steam Generator Level Channel 3 failed high.

Channel 3 was declared inoperable and Action Statement 3.3.2.1 Action 14 was entered at 1942 hours0.0225 days <br />0.539 hours <br />0.00321 weeks <br />7.38931e-4 months <br />.

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 cause of the inoperable channel was the failure of the dual comparator.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.3.2.1 Action 14 requires:

With one inoperable channel, operation may proceed until performance of the next required channel functional test, provided the inoperable channel is placed in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

CORRECTIVE ACTION

The dual comparator was replaced, and a channel functional test was satisfactorily performed.

The channel was declared operable, placed in service and Action Statement 3.3.2.1 Action 14 was terminated at 2210 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.40905e-4 months <br />.

, LER 81-ll3/03L.

FAILURE DATA:

Hagan Computer Systems Dual Signal Comparator No. 4111082-002 Prepared By K. Whitcomb k

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' General Manager -

Salem Operations SORC Meeting No.81-123 l

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