05000336/LER-1981-001, Forwards LER 81-001/03L-0

Forwards LER 81-001/03L-0

ML20037C221
Person / Time
Site:	Millstone
Issue date:	01/28/1981
From:	Mroczka E NORTHEAST NUCLEAR ENERGY CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20037C222	List: 05000336/LER-1981-001, Forwards LER 81-001/03L-0 05000336/LER-1981-001-03, /03L-0:on 810101,output from Steam Generator Differential Pressure Transmitter PDT-121B Failed Low.Caused by Dirty Knife Switch Contact That Caused Open Circuit & Resultant Channel Trip.Contacts Cleaned
References
MP-2-4574, NUDOCS 8102020404
Download: ML20037C221 (1)

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

Event date:
Report date:
3361981001R00 - NRC Website

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vosucocoss January 28, 1981

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'!!P-2.-4574 L lib. Boyce H. Grier.

- Director, Region-I

- Office of Inspaction and Enforcebent ;

U.S. Iluclear~RegulatoryJCommission L631 Park-Aven~ue King-of Prussia,~ Pennsylvania 19406

Reference:

~ Facility Operating License l:o. -0PE-65

' Docket flo. 50-336 :

Reportable Occurrence R0-50-336/81-1/3L-0._

Dear Mr. Grier:

This' letter. forwards Licensee Event Report 81-1/3L-0 required to be

- submitted within thirty' days pursuant to Mi'.lstone Unit 2 App 2ndix--

' A' Technical Specific,aticns, Section 6.9.1.9. b, cen:'itions' leading

.to operation ir a degraded riade permitted by"a liuiting condition for operation. An additional three copies c f the report are enclosed.

Yours truly, fiORTHEAST fiUCLEAR E;;ERGY COMPA:!Y

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E. J. 1roczka Station Superintendent Millstone flucler Power Station EJM/PVG:mw s

Attachmenti LEl 1

Director, Office of Inspection and Enfo cement, Washington,

'cc:

~D.C.-(30)

Director, Office of Management Information and Program Control,

' Washington, D.C.

(3)

. U.S.: Nuclear Regulatory Commission, c/o Document fianagement.

. Branch, Washington, D.C.

20555-g-

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