05000311/LER-1981-112, Forwards LER 81-112/03L-0.Detailed Event Analysis Encl

Forwards LER 81-112/03L-0.Detailed Event Analysis Encl

ML20038B371
Person / Time
Site:	Salem
Issue date:	11/25/1981
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038B372	List: 05000311/LER-1981-112, Forwards LER 81-112/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-112-03, /03L-0:on 811028,100-ft Elevation Containment Airlock Found Inoperable.Caused by Inside Door Seal Falling Out of Groove.Seal Replaced
References
NUDOCS 8112080081
Download: ML20038B371 (3)

LER-1981-112, Forwards LER 81-112/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981112R00 - NRC Website

text

O PSEG

• Public Service Electric and Gas Company P.O. Box 168 Hancocks Bridge, New Jersey 08038 Salem Generating Station i

November 25, 1981 Mr.

R. C. Haynes Director of USNRC Office of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Haynes:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-ll2/03L i

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 1

Occurrence 81-112/03L.

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

Sincerely yours, j

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General Manager -

Salem Operations i.

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Report Number:

81-ll2/03L Report Date:

11-25-81 Occurrence Date:

10-28-81 Facility:

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

100' Elevation Containment Air Lock - Inoperable.

This report was initiated by Incident Report 81-430.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 99% - Unit Load 1130 MWe DESCRIPTION OF OCCURRENCE:

On October 28, 1981, the 100' Elevation Containment Air Lock was found to be inoperable.

Action Statement 3.6.1.3 was entered at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-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 air lock being inoperable was the inside door seal had fallen out of the groove.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.6.1.3 requires:

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 />.

CORRECTIVE ACTION

The inside door seal was replaced, and the air lock leak rate test was performed satisfactorily.

At 1658 hours0.0192 days <br />0.461 hours <br />0.00274 weeks <br />6.30869e-4 months <br />, October 28, 1981 the air lock was declared operable and Action Statement 3.6.1.3 was terminated.

(

LER 81-112/03L,

0 FAILURE DATA:

Containment Air Lock Chicago Bridge and Iron Company Prepared By K. Whitcomb A/,Q [E W#

General elanager -

Salem Operations SORC Meeting No.81-121