05000311/LER-1982-045, Forwards LER 82-045/03L-0.Detailed Event Analysis Encl

Forwards LER 82-045/03L-0.Detailed Event Analysis Encl

ML20054G666
Person / Time
Site:	Salem
Issue date:	06/09/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054G667	List: 05000311/LER-1982-045, Forwards LER 82-045/03L-0.Detailed Event Analysis Encl 05000311/LER-1982-045-03, /03L-0:on 820522,operator Discovered Leakage Rate of 100-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Failed Inner Door Latch Mechanism.Latch Mechanism Repaired & Tested
References
NUDOCS 8206220182
Download: ML20054G666 (3)

LER-1982-045, Forwards LER 82-045/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111982045R00 - NRC Website

text

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>SIEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station June 9, 1982 Mr.

R.

C.

Haynes Regional Administrator USNRC Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. liaynes:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-045/03L 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 82-045/03L.

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

Sincerely yours,

}j' % th}w" H.

J.

Midura General Manager -

Salem Operations RF:ks CC:

Distribution 8206220182 820609 PDR ADOCK 05000311 S

PDR The Energy People I

m iw., t u n

Report Number:

82-045/03L Report Date:

06-09-82 Occurrence Date:

05-22-82 j '

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 repurt was initiated by Incident Report 82-130.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 96% - Unit Load 1090 MWe.

DESCRIPTION OF OCCURRENCE:

On May 22, 1982, during routine surveillance, an operator discovered that the leakage rate of the 100' Elevation Containment Air Lock exceeded Technical Specification limits.

The air lock was declared inoperable, and at 0508 hours0.00588 days <br />0.141 hours <br />8.399471e-4 weeks <br />1.93294e-4 months <br />, Action Statement 3.6.1.3.a 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 inner door latch mechanism had failed causing the excessive containment air lock leakage.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.6.1.3.a requires:

With one containment air lock door inoperable, maintain at least the operable air lock door closed and restore the inoperable air lock door 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 />, j

I

LER 82-045/03L.

CORRECTIVE ACTION

The operator immediately closed the outer air lock door.in compliance with the Technical Specification.

The latch mechanism was properly repaired, and the air lock was satisfactorily tested.

At 1230 hours0.0142 days <br />0.342 hours <br />0.00203 weeks <br />4.68015e-4 months <br />, May 22, 1982, the 100' Elevation Containment Air Lock was declared operable, and Action Statement 3.6.1.3.a was terminated.

FAILURE DATA:

Chicago Bridge and Iron Co.

Containment Air Lock Latch Rod Assembly Roller Assembly Prepared By R.

Frahm e

General Manager -

Salem Operations SORC Meeting No.

82-58 l

l I