05000311/LER-1981-012, Forwards LER 81-012/03L-0

Forwards LER 81-012/03L-0

ML18086A575
Person / Time
Site:	Salem
Issue date:	05/22/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A576	List: 05000311/LER-1981-012, Forwards LER 81-012/03L-0 05000311/LER-1981-012-03, /03L-0:on 810427,during Surveillance Procedure Sp(O) 4.6.1.3 on Containment Air Lock,Leak Rate Exceeded Tech Specs.Caused by Inability of Inner Door Seals to Maintain Test Pressure.Seals Replaced
References
NUDOCS 8106020265
Download: ML18086A575 (2)

LER-1981-012, Forwards LER 81-012/03L-0

Event date:
Report date:
3111981012R00 - NRC Website

text

Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201 /430-7000 Mr. Boyce H. Grier Director of USNRC May 22, 1981 Off ice of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-12/03L Pursuant to the requirements of Salem Generating Station Unit No. 2 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-12/03L.

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

Sincerely yours,

///11~1 ~

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) s 9~ 2001 13SO:.'.* _: 8,-

~--

Report Number:

Report Date:

Occurrence Date:

81-12/03L May 22, 19-81 4/27/81 Facility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Containment Air Lock Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 3 -

Rx Power 0% - Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

While performing Surveillance Test SP(O) 4.6.1.3 on the Elevation 130' 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 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br />, on April 27, 1981, Action Statement 3.6.l.3a 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 in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure -

Inner door seal would not hold test pressure.

ANALYSIS OF OCCURRENCE:

Upon investigation, it was determined that the inner door seal was worn, therefore, it could not retain test pressure.

CORRECTIVE ACTION

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

Action Statement 3.6.l.3a was terminated at 0720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> on April 27, 1981.

FAILURE DATA:

Containment*Personnel Lock Chicago Bridge and Iron Company Prepared By J. J. Espey SORC Meeting No.

81-36 Manager - Saleffi/Generating Station l