05000311/LER-1982-044, Forwards LER 82-044/03L-0.Detailed Event Analysis Encl

Forwards LER 82-044/03L-0.Detailed Event Analysis Encl

ML20054H206
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
ML20054H207	List: 05000311/LER-1982-044, Forwards LER 82-044/03L-0.Detailed Event Analysis Encl 05000311/LER-1982-044-03, /03L-0:on 820518,operator Discovered Leakage Rate of 130-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Improperly Positioned Inner Door Seal. Inner Door Seal Properly Positioned
References
NUDOCS 8206230108
Download: ML20054H206 (3)

LER-1982-044, Forwards LER 82-044/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111982044R00 - NRC Website

text

4 O >SEG Put;lic Service ENctric and Gas Cornpany P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station June 9, 1982 Mr.

R.

C.

Haynes l

Regional Administrator i

USNRC Region 1 '

631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Ilaynes:

{

LICENSE NO. DPR-75 i

DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-044/03L i

j Pursuant to the requirements of Salem Generating Station Unit No.

2, Technical Specifications, Section 6.9.1.9.b, i

l we are submitting Licensee Event Report for Reportable Occurrence 82-044/03L.

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

Sincerely yours, i

^-

H.

J.

Midura General Manager -

i Salem Operations RF:ks CC:

Distribution 4

I j

8206230108 820609 l(DRADOCK 0500031g me Ene opie fM i

4 Report Number:

82-044/03L Report Date:

06-09-82 Occurrence Date:

05-18-82 Facility:

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

130' Elevation Containment Air Lock - Inoperable.

This report was initiated by Incident Report 82-126.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1150 MWe.

DESCRIPTION OF OCCURRENCE:

On May 18, 1982, during routine surveillance, an operator discovered that the leakage rate of the 130' Elevation Containment Air Lock exceeded Technical Specification limits.

The air lock was declared inoperable at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />, and 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:

An improperly positioned inner door seal caused thc 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 />.

LER 82-044/03L y

CORRECTIVE ACTION

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

The inner door seal was properly positioned, and the air lock was satisfactorily tested.

At 1402 hours0.0162 days <br />0.389 hours <br />0.00232 weeks <br />5.33461e-4 months <br />, May 18, 1982, the 130' 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 Door Seal

/[.h. h[d Prepared By R.

Frahm

' General' Manager -

Salem Operations SORC Meeting No.

82-58