05000311/LER-1981-001, Forwards LER 81-001/03L-0

Forwards LER 81-001/03L-0

ML18085A785
Person / Time
Site:	Salem
Issue date:	02/03/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A786	List: 05000311/LER-1981-001, Forwards LER 81-001/03L-0 05000311/LER-1981-001-03, /03L-0:on 810104,during Cold Shutdown,Diesel Unit Trip Relay on Diesel Generator 2A Tripped.Cause Undetermined.Relay Reset.Diesel Generator Determined Operable After Satisfactory Completion of Tests
References
NUDOCS 8102100322
Download: ML18085A785 (2)

LER-1981-001, Forwards LER 81-001/03L-0

Event date:
Report date:
3111981001R00 - NRC Website

text

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e PS~G Public Service Electric and G'as Company 80 Park Place Newark, N.J. 07101 Phone 2011430-7000 Mr. Boyce H. Grier Director of USNRC February 3, 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 81-0l/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 81-0l/03L.

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

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Director, Office and Enforcement Director, Office Inffitrmation and lJ-

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Sincerely yours,

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R. A. Uderit2 General Manager -

Nuclear Production of Inspection (30 copies) of Management Program Control

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/r 95-2001 1300M1 1.79

Repo'rt Number:

Report Date:

Occurrence Date:

81-0l/03L 02/03/81 1/4/81 Facility:

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

Diesel Generators Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 5 Cold Shutdown Diesel #2B out of service awaiting parts DESCRIPTION OF OCCURRENCE:

Diesel Unit Trip Relay (DUTR) on Diesel #2A tripped.

Action State-ment 3.8.1.2 was entered at 1353 hours0.0157 days <br />0.376 hours <br />0.00224 weeks <br />5.148165e-4 months <br /> IAW limiting condition for operation in the Technical Specifications.

This occurrence con-stitu~ed operation in a degraded mode IAW Technical Specification 6.9.l.9b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

DUTR tripped because of undetermined cause.

ANALYSIS OF OCCURRENCE:

Since Diesel #2B was out of service awaiting parts when Diesel #2A DUTR tripped, only one Diesel Generator was available for service.

IAW the limiting condition for operation in the Technical Specifi-cations, all operations involving core alterations or positive reactivity changes must be suspended until a minimum of two Diesel Generators are restored to operable status.

CORRECTIVE ACTION

The DUTR was reset and the Diesel Generator was restored to operable status after the satisfactory completion of SP(O} 4.8.1.1.la and SP(O} 4.8.1.1.2.

The Action Statement was terminated at 1556 hours0.018 days <br />0.432 hours <br />0.00257 weeks <br />5.92058e-4 months <br />.

FAILURE DATA:

Not Applicable Prepared By W. J. Steele Manager -

SORC Meeting No.

81-02