05000272/LER-1981-047, Forwards LER 81-047/03L-0.Detailed Event Analysis Encl

Forwards LER 81-047/03L-0.Detailed Event Analysis Encl

ML20004E746
Person / Time
Site:	Salem
Issue date:	06/08/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20004E747	List: 05000272/LER-1981-047, Forwards LER 81-047/03L-0.Detailed Event Analysis Encl 05000272/LER-1981-047-03, /03L-0:on 810513,containment Air Lock Leak Rate Exceeded Design Pressure Tech Spec Limit During Sp.Caused by Outer Door Seal Not Holding Pressure.Seals Repaired & Tested
References
NUDOCS 8106150164
Download: ML20004E746 (2)

LER-1981-047, Forwards LER 81-047/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2721981047R00 - NRC Website

text

TERA C

PSEG Puche Senoce Eiectric and Gas Cornpany 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 June 8, 1981 Mr. Boyce H.

Grier p~f '

(,0) f

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)_ J/ gN,/

A (F Director of USNRC t

Office of Inspection and Enforcement Region 1

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u 631 Park Avenue M g#4,N,2 2Jgg " di C

$4 King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

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W' LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-47/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-47/03L.

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

Sincerely yours, kY h{

R. A.

Uderitz General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) 1 l

8106150\\b4 i

Report Number:

81-47/03L Report Date:

June 8, 1981 Occurrence Date:

5/13/81 Facility:

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

Containment Air Lock Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 98% - Unit Load 1110 MW DESCRIPTION OF OCCURRENCE:

While performing Surveillance Procedure SP (O) 4. 6.1.3 on the Elevation 100' Containment Air Lock, it was determined that the leak rate exceeded the limit of 0.05 La at the design pressure of 47.0 psig as required by Technical Specification 3.6.1.3b.

At 2222 hours0.0257 days <br />0.617 hours <br />0.00367 weeks <br />8.45471e-4 months <br />, Action Statement 3.6.1.3 was entered which requires that with an air lock inoperable, restore the air lock to operable status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 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 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 />.

This occurrence consti-tuted operation in a degraded mode IAW Technical Specification 6.9.1.9b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The outer dcor seal would not hold pressure.

ANALYSIS OF OCCURRENCE:

Upon investigation, it was determined ti.at the outer door seal had come out of its channel and, therefore, <:ould not maintain pressure.

CORRECTIVE ACTION

The seals on the outer door were repaired and tested satisfactorily.

The Action Statement was terminated at 0140 hours0.00162 days <br />0.0389 hours <br />2.314815e-4 weeks <br />5.327e-5 months <br /> on May 14, 1981.

FAILURE DATA:

Containment Personnel Air Lock Chicago Bridge and Iron Company Prepared By J.

J.

Espey

/

Manager

'Salei Generating Station SORC Meeting No.

81-42