05000311/LER-1981-106, Forwards LER 81-106/03X-1.Detailed Event Analysis Encl

Forwards LER 81-106/03X-1.Detailed Event Analysis Encl

ML20063M952
Person / Time
Site:	Salem
Issue date:	08/25/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20063M954	List: 05000311/LER-1981-106, Forwards LER 81-106/03X-1.Detailed Event Analysis Encl
References
NUDOCS 8209160402
Download: ML20063M952 (3)

LER-2081-106, Forwards LER 81-106/03X-1.Detailed Event Analysis Encl

Event date:
Report date:
3112081106R00 - NRC Website

text

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L'O PSEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station August 25, 1982 l Mr. R. C. Haynes Regional Administrator USNRC Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Haynes:

LICENSE NO. DPR-75 l DOCKET NO. 50-311 I REPORTABLE OCCURRENCE 81-106/03X-1 l SUPPLEMENTAL REPORT I

Pursuant to the requirements of Salem Generating Station Unit No. 2 Technical Specifications, Section 6.9.1.9.b, we are submitting supplemental Licensee Event Report for Reportable Occurrence 81-106/03X-1.

Sincerely yours,

// . Y "b H. J. Midura General Manager -

Salem Operations Ril:ks fdf CC: Distribution I

8209160402 820025 PDR ADOCK 05000311 S PDR The Energy People M % 21&J (20V) 11 til

a i Report Number: 81-106/03X-1 Report Date: 08-25-82 Occurrence Date: 09-24-81 Facility: Salem Generating Station, Unit 2 Public Service Electric & Gas Company {

Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Isolation Damper 2CA A4 - Inoperable.

1 This report was initiated by Incident Report 81-388. I l

CONDITIONS PRIOR TO OCCURRENCE:

Mode 5 - Rx Power 0% - Unit Load 0 MWe.

DESCRIPTION OF OCCURRENCE:

On September 24, 1981, while performing Surveillance Procedure SP (O) 4. 7. 6.1, it was noticed that damper 2CAA4, in the Control Room Emergency Air Conditioning System, would not close to the correct position. At 0107 hours0.00124 days <br />0.0297 hours <br />1.76918e-4 weeks <br />4.07135e-5 months <br />, the damper was declared inoperable and Action Statement

. 3.7.6 (Modes 5 and 6)b 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 damper was sticking due to binding of the operating mechanism.

ANALYSIS OF OCCURRENCE:

Action Statement 3.7.6 (modes 5 and 6)b requires:

With both fans, the cooling coil or the filter train inoperable, or with less than 2 operable Isolation Dampers in each outside air intake duct,-suspend all operations involving core alterations or positive reactivity changes.

,. L,ER 81-106/03X-1 CORRECTIVE ACTION:

The damper operating mechanism was freed and tested, and damper 2CAA4 was declared operable. At 1905 hours0.022 days <br />0.529 hours <br />0.00315 weeks <br />7.248525e-4 months <br />, September 24, 1981 Action Statement 3.7.6 (modes 5 and 6)b was terminated.

Damper 2CAA4 was entered into the Maintenance Inspection Order System, and will be inspected on a scheduled basis.

FAILURE DATA:

)

\

Peabody and Wind Co.

Damper Model SND-ll6 l

' Prepared By R. Heller / / " l

, General M6 nager -

SORC Meeting No. 82-78 l

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