ML18085B122

Forwards LER 81-023/03L-0.Detailed Event Analysis Encl

ML18085B122
Person / Time
Site:	Salem
Issue date:	03/26/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085B123	List: ML18085B122 ML18085B125
References
NUDOCS 8104020555
Download: ML18085B122 (2)

Text

PS~G Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 March 26, 1981 Mr. Boyce H. Grier Director of USNRC Off ice of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-23/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Lice~see Event Report for Reportable Occurrence 81-23/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours,

/ e-; . -*-.... **

/t6 ~~,r/

R. A. Uderi tz---'

General Manager -

Nuclear Production CC: Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control

( 3 copies) 8104020555

IJ Report Number:

Report Date:

Occurrence Date:

81-23/03L March 26, 1981 3/5/81 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 4 - Rx Power 0% - Unit Load 0 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.l.3b.

At 1435 hours0.0166 days <br />0.399 hours <br />0.00237 weeks <br />5.460175e-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 constituted operation in a degraded mode IAW Technical Specification 6.9.l.9b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The inner door seal would not hold pressure.

ANALYSIS OF OCCURRENCE:

Upon investigation, it was determined that the inner door seal had come out of its channel and, therefore, could not maintain pressure.

CORRECTIVE ACTION:

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

The Action Statement was terminated at 1543 hours0.0179 days <br />0.429 hours <br />0.00255 weeks <br />5.871115e-4 months <br /> on March 5, 1981.

FAILURE DATA:

Containment Personnel Air Lock Chicago Bridge and Iron Company Prepared By W. J. Steele SORC Meeting No. 81-20