05000311/LER-1982-022, Forwards LER 82-022/03L-0.Detailed Event Analysis Encl

Forwards LER 82-022/03L-0.Detailed Event Analysis Encl

ML20054D038
Person / Time
Site:	Salem
Issue date:	04/07/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054D039	List: 05000311/LER-1982-022, Forwards LER 82-022/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8204220267
Download: ML20054D038 (3)

LER-2082-022, Forwards LER 82-022/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3112082022R00 - NRC Website

text

f O PSIsG Public Service Ek(tric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station April 7, 1982 t%

S Mr. R. C. Haynes g g Regional Administrator p,  ;

USNRC  ; APR 2119826 Region 1 631 Park Avenue g nasum m g [F sumer ammun a King of Prussia, Pennsylvania 19406

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Dear Mr. Haynes:

4 LICENSE NO. DP R-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-22/03L 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 82-22/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, lllbzfb/IPJ H. J. Midura General Manager -

Salem Operations FD:ks i

! CC: Distribution l

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O Report Number: 82-22/03L Report Date: 04-07-82 Occurrence Date: 03-26-82 Facility: Salem Generating Station, Unit 2 Public Service Electric & Gas Company ,

Hancocks Bridge, New Jersey 08038 (

IDENTIFICATION OF OCCURRENCE:

No. 21~ Auxiliary Building Exhaust Fan - Inoperable.

This report was initiated by Incident Report 82-059.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1150 MWe DESCRIPTION OF OCCURRENCE:

On March 26, 1982 an operator attempted to start No. 21 Auxiliary Building Exhaust Fan. The fan would not start and was declared inoperable. With No. 22 Auxiliary Building Exhaust Fan tagged out for maintenance, at 0258 hours0.00299 days <br />0.0717 hours <br />4.265873e-4 weeks <br />9.8169e-5 months <br /> Action Statement 3.7.7.c 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 reason No. 21 Auxiliary Building Exhaust Fan would not start was the last time the fan circuit breaker had been racked in, the automatic trip shutter had not reset, preventing the breaker from closing.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.7.7.c requires:

With only one exhaust fan operable, restore at least two exhaust fans to operable status within 7 days, 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 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 />.

l

LER 82-22/03L -

CORRECTIVE ACTION:

The operator reset the shutter, and the circuit breaker was tested satisfactorily. No. 21 Auxiliary Building Exhaust Fan was declared operable at 0315 hours0.00365 days <br />0.0875 hours <br />5.208333e-4 weeks <br />1.198575e-4 months <br />, March 26, 1982, and Action Statement 3.7.7.c was terminated.

The operation of station circuit breaker types has been recently incorporated into the operator training program.

FAILURE DATA:

I.T.E. Co.

Draw-out Type Air Circuit Breaker Model K-600 Prepared By R. Frahm /

Gen 6ral Manager -

Salem Operations SORC Meeting No. 82-38

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